10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 10-Q

 (Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

For the quarterly period ended June 30, 2021

or 

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the transition period from             to            .

Commission File Number 1-13455

TETRA Technologies, Inc.

(Exact name of registrant as specified in its charter)

Delaware	74-2148293
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)
24955 Interstate 45 North
The Woodlands,
Texas	77380
(Address of Principal Executive Offices)	(Zip Code)

(281) 367-1983

(Registrant’s Telephone Number, Including Area Code)

_______________________________________________________________________

Former Name, Former Address and Former Fiscal Year, if Changed Since Last Report

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	TTI	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes ☒  No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒  No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	Smaller reporting company	☒
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐  No ☒

 As of July 30, 2021, there were 126,604,901 shares outstanding of the Company’s Common Stock, $0.01 par value per share.

TETRA Technologies, Inc. and Subsidiaries
Table of Contents
	Page
PART I—FINANCIAL INFORMATION
Item 1. Financial Statements
Consolidated Statements of Operations	1
Consolidated Statements of Comprehensive Income (Loss)	2
Consolidated Balance Sheets	3
Consolidated Statements of Equity	5
Consolidated Statements of Cash Flows	6
Notes to Consolidated Financial Statements	7
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	17
Item 3. Quantitative and Qualitative Disclosures about Market Risk	30
Item 4. Controls and Procedures	30
PART II—OTHER INFORMATION
Item 1. Legal Proceedings	30
Item 1A. Risk Factors	30
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	30
Item 3. Defaults Upon Senior Securities	31
Item 4. Mine Safety Disclosures	31
Item 5. Other Information	31
Item 6. Exhibits	32
SIGNATURES	33

PART I

FINANCIAL INFORMATION

Item 1. Financial Statements.

TETRA Technologies, Inc. and Subsidiaries

Consolidated Statements of Operations

(In Thousands, Except Per Share Amounts)

(Unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Revenues:
Product sales	$	62,583	$	67,251	$	107,615	$	137,466
Services	39,743		28,819		72,035		91,307
Total revenues	102,326		96,070		179,650		228,773
Cost of revenues:
Cost of product sales	42,477		45,031		74,460		90,319
Cost of services	34,731		25,576		63,362		74,403
Depreciation, amortization, and accretion	8,236		9,726		17,187		19,277
Impairments and other charges	449		—		449		—
Insurance recoveries	—		(74)		(110)		(74)
Total cost of revenues	85,893		80,259		155,348		183,925
Gross profit	16,433		15,811		24,302		44,848
General and administrative expense	17,351		23,862		37,363		44,210
Interest expense, net	3,886		4,604		8,290		9,896
Warrants fair value adjustment expense (income)	2,698		11		3,021		(327)
Other income, net	(2,232)		(541)		(7,327)		(520)
Loss before taxes and discontinued operations	(5,270)		(12,125)		(17,045)		(8,411)
Provision for income taxes	1,384		1,054		1,552		1,776
Loss before discontinued operations	(6,654)		(13,179)		(18,597)		(10,187)
Discontinued operations:
Income (loss) from discontinued operations, net of taxes	(126)		(23,788)		120,864		(37,156)
Net income (loss)	(6,780)		(36,967)		102,267		(47,343)
Less: (income) loss attributable to noncontrolling interest(1)	27		15,712		(306)		24,537
Net income (loss) attributable to TETRA stockholders	$	(6,753)	$	(21,255)	$	101,961	$	(22,806)
Basic and diluted net income (loss) per common share:
Loss from continuing operations	$	(0.05)	$	(0.11)	$	(0.15)	$	(0.08)
Income (loss) from discontinued operations	—		(0.06)		0.96		(0.10)
Net income (loss) attributable to TETRA stockholders	$	(0.05)	$	(0.17)	$	0.81	$	(0.18)
Average shares outstanding	126,583		125,886		126,365		125,736

(1)     (Income) loss attributable to noncontrolling interest includes zero and $15,781 loss for the three-month periods ended June 30, 2021 and 2020, respectively, and $333 income and $24,615 loss for the six-month periods ended June 30, 2021 and 2020, respectively, related to discontinued operations.

See Notes to Consolidated Financial Statements

1

TETRA Technologies, Inc. and Subsidiaries

Consolidated Statements of Comprehensive Income (Loss)

(In Thousands)

(Unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Net income (loss)	$	(6,780)	$	(36,967)	$	102,267	$	(47,343)
Foreign currency translation adjustment from continuing operations, net of taxes of $0 in 2021 and 2020	2,157		1,095		(622)		(5,372)
Comprehensive income (loss)	(4,623)		(35,872)		101,645		(52,715)
Less: Comprehensive income (loss) attributable to noncontrolling interest	27		15,597		(306)		24,651
Comprehensive income (loss) attributable to TETRA stockholders	$	(4,596)	$	(20,275)	$	101,339	$	(28,064)

See Notes to Consolidated Financial Statements

2

TETRA Technologies, Inc. and Subsidiaries

Consolidated Balance Sheets

(In Thousands)

	June 30, 2021		December 31, 2020
	(Unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	50,314	$	67,252
Restricted cash	65		65
Trade accounts receivable, net of allowances of $6,640 in 2021 and $6,824 in 2020	79,467		64,078
Inventories	70,071		76,658
Assets of discontinued operations	—		710,006
Prepaid expenses and other current assets	15,881		13,487
Total current assets	215,798		931,546
Property, plant, and equipment:
Land and building	26,477		26,506
Machinery and equipment	361,254		365,296
Automobiles and trucks	16,820		18,446
Chemical plants	62,015		62,714
Construction in progress	4,092		1,526
Total property, plant, and equipment	470,658		474,488
Less accumulated depreciation	(379,235)		(377,632)
Net property, plant, and equipment	91,423		96,856
Other assets:
Patents, trademarks and other intangible assets, net of accumulated amortization of $68,520 in 2021 and $66,078 in 2020	39,237		41,487
Deferred tax assets, net	44		52
Operating lease right-of-use assets	39,517		43,448
Investments	16,221		2,675
Other assets	14,569		16,775
Total other assets	109,588		104,437
Total assets	$	416,809	$	1,132,839

See Notes to Consolidated Financial Statements

3

TETRA Technologies, Inc. and Subsidiaries

Consolidated Balance Sheets

(In Thousands, Except Share Amounts)

	June 30, 2021		December 31, 2020
	(Unaudited)
LIABILITIES AND EQUITY
Current liabilities:
Trade accounts payable	$	38,868	$	22,573
Unearned income	3,019		2,675
Accrued liabilities and other	44,069		38,791
Liabilities of discontinued operations	1,601		734,039
Current portion of long-term debt	8,157		—
Total current liabilities	95,714		798,078
Long-term debt, net	163,603		199,894
Deferred income taxes	1,939		1,942
Asset retirement obligations	12,699		12,484
Warrants liability	3,219		198
Operating lease liabilities	33,786		37,569
Other liabilities	6,792		11,612
Total long-term liabilities	222,038		263,699
Commitments and contingencies
Equity:
TETRA stockholders’ equity:
Common stock, par value 0.01 per share; 250,000,000 shares authorized at June 30, 2021 and December 31, 2020; 129,729,406 shares issued at June 30, 2021 and 128,930,047 shares issued at December 31, 2020	1,297		1,289
Additional paid-in capital	473,872		472,134
Treasury stock, at cost; 3,133,674 shares held at June 30, 2021, and 2,953,976 shares held at December 31, 2020	(19,939)		(19,484)
Accumulated other comprehensive (loss)	(43,368)		(49,914)
Retained deficit	(311,704)		(413,665)
Total TETRA stockholders’ equity	100,158		(9,640)
Noncontrolling interests	(1,101)		80,702
Total equity	99,057		71,062
Total liabilities and equity	$	416,809	$	1,132,839

See Notes to Consolidated Financial Statements

4

TETRA Technologies, Inc. and Subsidiaries

Consolidated Statements of Equity

(In Thousands)

(Unaudited)

	Common Stock Par Value		Additional Paid-In Capital		Treasury Stock		Accumulated Other  Comprehensive Income (Loss)		Retained Deficit		Noncontrolling Interest		Total Equity
							Currency Translation
Balance at December 31, 2020	$	1,289	$	472,134	$	(19,484)	$	(49,914)	$	(413,665)	$	80,702	$	71,062
Net income for first quarter 2021	—		—		—		—		108,714		333		109,047
Translation adjustment, net of taxes of $0	—		—		—		(2,779)		—		—		(2,779)
Comprehensive income													106,268
Deconsolidation of CSI Compressco	—		—		—		7,168		—		(82,775)		(75,607)
Equity award activity	6		—		—		—		—		—		6
Treasury stock activity, net	—		—		(449)		—		—		—		(449)
Equity compensation expense	—		962		—		—		—		580		1,542
Other	—		(574)		—		—		—		219		(355)
Balance at March 31, 2021	$	1,295	$	472,522	$	(19,933)	$	(45,525)	$	(304,951)	$	(941)	$	102,467
Net loss for second quarter 2021	—		—		—		—		(6,753)		(27)		(6,780)
Translation adjustment, net of taxes of $0	—		—		—		2,157		—		—		2,157
Comprehensive loss													(4,623)
Dividend	—		—		—		—		—		(119)		(119)
Equity award activity	2		—		—		—		—		—		2
Treasury stock activity, net	—		—		(6)		—		—		—		(6)
Equity compensation expense	—		1,592		—		—		—		—		1,592
Other	—		(242)		—		—		—		(14)		(256)
Balance at June 30, 2021	$	1,297	$	473,872	$	(19,939)	$	(43,368)	$	(311,704)	$	(1,101)	$	99,057

	Common Stock Par Value		Additional Paid-In Capital		Treasury Stock		Accumulated Other  Comprehensive Loss		Retained Deficit		Noncontrolling Interest		Total Equity
							Currency Translation
Balance at December 31, 2019	$	1,283	$	466,959	$	(19,164)	$	(52,183)	$	(362,522)	$	128,453	$	162,826
Net loss for first quarter 2020	—		—		—		—		(1,551)		(8,825)		(10,376)
Translation adjustment, net of taxes of $0	—		—		—		(6,238)		—		(229)		(6,467)
Comprehensive loss													(16,843)
Distributions to public unitholders	—		—		—		—		—		(309)		(309)
Equity award activity	4		—		—		—		—		—		4
Treasury stock activity, net	—		—		(89)		—		—		—		(89)
Equity compensation expense	—		1,145		—		—		—		228		1,373
Other	—		(16)		—		—		—		(15)		(31)
Balance at March 31, 2020	$	1,287	$	468,088	$	(19,253)	$	(58,421)	$	(364,073)	$	119,303	$	146,931
Net loss for second quarter 2020	—		—		—		—		(21,255)		(15,712)		(36,967)
Translation adjustment, net of taxes of $0	—		—		—		980		—		115		1,095
Comprehensive loss													(35,872)
Distributions to public unitholders	—		—		—		—		—		(311)		(311)
Equity award activity	1		—		—		—		—		—		1
Treasury stock activity, net	—		—		(181)		—		—		—		(181)
Equity compensation expense	—		1,685		—		—		—		449		2,134
Other	—		4		—		—		—		(20)		(16)
Balance at June 30, 2020	$	1,288	$	469,777	$	(19,434)	$	(57,441)	$	(385,328)	$	103,824	$	112,686

See Notes to Consolidated Financial Statements

5

TETRA Technologies, Inc. and Subsidiaries

Consolidated Statements of Cash Flows

(In Thousands, Unaudited)

	Six Months Ended June 30,
	2021		2020
Operating activities:
Net income (loss)	$	102,267	$	(47,343)
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation, amortization, and accretion	17,215		59,302
Gain on GP Sale	(120,574)		—
Impairment and other charges	449		14,348
Gain on retained CSI Compressco units and Standard Lithium shares	(5,613)		(183)
Equity-based compensation expense	2,554		2,896
Amortization and expense of financing costs and deferred financing gains	1,429		2,755
Debt-related expenses	—		4,754
Warrants fair value adjustment	3,021		(326)
Gain on sale of assets	(275)		(2,019)
Other non-cash charges	(70)		5,380
Changes in operating assets and liabilities:
Accounts receivable	(15,694)		55,552
Inventories	5,456		10,733
Prepaid expenses and other current assets	(2,442)		(3,038)
Trade accounts payable and accrued expenses	21,295		(42,853)
Other	(1,411)		429
Net cash provided by operating activities	7,607		60,387
Investing activities:
Purchases of property, plant, and equipment, net	(12,489)		(19,608)
Proceeds from sale of CCLP, net of cash divested	18		—
Proceeds on sale of property, plant, and equipment	754		5,311
Insurance recoveries associated with damaged equipment	110		591
Other investing activities	1,156		(357)
Net cash used in investing activities	(10,451)		(14,063)
Financing activities:
Proceeds from long-term debt	—		338,343
Principal payments on long-term debt	(29,320)		(341,364)
CSI Compressco distributions	—		(620)
Tax remittances on equity based compensation	—		(341)
Debt issuance costs and other financing activities	(455)		(2,504)
Net cash used in financing activities	(29,775)		(6,486)
Effect of exchange rate changes on cash	(896)		(826)
(Decrease) increase in cash and cash equivalents	(33,515)		39,012
Cash and cash equivalents and restricted cash at beginning of period	83,894		17,768
Cash and cash equivalents at beginning of period associated with discontinued operations	16,577		2,370
Cash and cash equivalents and restricted cash at beginning of period associated with continuing operations	67,317		15,398
Cash and cash equivalents and restricted cash at end of period	50,379		56,780
Cash and cash equivalents at end of period associated with discontinued operations	—		6,757
Cash and cash equivalents and restricted cash at end of period associated with continuing operations	$	50,379	$	50,023

See Notes to Consolidated Financial Statements

6

TETRA Technologies, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Unaudited)

NOTE 1 – ORGANIZATION, BASIS OF PRESENTATION, AND SIGNIFICANT ACCOUNTING POLICIES

Organization 

We are a geographically diversified oil and gas services company, focused on completion fluids and associated products and services, water management, frac flowback and production well testing. We were incorporated in Delaware in 1981. We are composed of two divisions – Completion Fluids & Products and Water & Flowback Services. Unless the context requires otherwise, when we refer to “we,” “us,” and “our,” we are describing TETRA Technologies, Inc. and its consolidated subsidiaries on a consolidated basis.

Presentation  

Our unaudited consolidated financial statements include the accounts of our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. The information furnished reflects all normal recurring adjustments, which are, in the opinion of management, necessary to provide a fair statement of the results for the interim periods. Operating results for the period ended June 30, 2021 are not necessarily indicative of results that may be expected for the twelve months ended December 31, 2021.

The accompanying unaudited consolidated financial statements have been prepared in accordance with Rule 10-01 of Regulation S-X for interim financial statements required to be filed with the U.S. Securities and Exchange Commission (“SEC”) and do not include all information and footnotes required by U.S. generally accepted accounting principles (“U.S. GAAP”) for complete financial statements. These financial statements should be read in conjunction with the financial statements for the year ended December 31, 2020 and notes thereto included in our Annual Report on Form 10-K, which we filed with the SEC on March 5, 2021.

Significant Accounting Policies

    Our significant accounting policies are described in the notes to our consolidated financial statements for the year ended December 31, 2020 included in our Annual Report on Form 10-K. There have been no significant changes in our accounting policies or the application thereof during the second quarter of 2021.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclose contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues, expenses, and impairments during the reporting period. Actual results could differ from those estimates, and such differences could be material.

Reclassifications

    Certain previously reported financial information has been reclassified to conform to the current year's presentation. For a discussion of the reclassification of the financial presentation of our former Compression Division as discontinued operations, see Note 2 - “Discontinued Operations”. Other than the discontinued operations presentation, the impact of reclassifications was not significant to the prior year's overall presentation. Unless otherwise noted, amounts and disclosures throughout these Notes to Consolidated Financial Statements relate solely to continuing operations and exclude all discontinued operations.

Impairments and Other Charges

Impairments of long-lived assets, including identified intangible assets, are determined periodically when indicators of impairment are present. If such indicators are present, the determination of the amount of impairment is based on our judgment as to the future undiscounted operating cash flows to be generated from the relevant assets throughout their remaining estimated useful lives. If these undiscounted cash flows are less than the carrying amount of the related assets, an impairment is recognized for the excess of the carrying value over fair value. Fair

7

value of intangible assets is generally determined using the discounted present value of future cash flows using discount rates commensurate with the risks inherent with the specific assets. Assets held for disposal are recorded at the lower of carrying value or estimated fair value less estimated selling costs. During 2021, we recorded an impairment charge of $0.4 million related to idle equipment in our Canada office within our Water & Flowback Services Division. There were no impairments associated with continuing operations during the six months ended June 30, 2020.

Foreign Currency Translation

    We have designated the Euro, the British pound, the Norwegian krone, the Canadian dollar, the Brazilian real, and the Mexican peso as the functional currencies for our operations in Finland and Sweden, the United Kingdom, Norway, Canada, Brazil, and certain of our operations in Mexico, respectively. The United States dollar is the designated functional currency for all of our other non-U.S. operations. The cumulative translation effects of translating the applicable accounts from the functional currencies into the United States dollar at current exchange rates are included as a separate component of equity. Foreign currency exchange (gains) and losses are included in other (income) expense, net and totaled $(0.2) million and $(1.0) million during the three and six months ended June 30, 2021, respectively, and $0.8 million and $0.9 million for the three and six months ended June 30, 2020, respectively.

Fair Value Measurements

We utilize fair value measurements to account for certain items and account balances within our consolidated financial statements. Fair value measurements are utilized on a recurring basis in the determination of the carrying values of certain assets, including our interest in Standard Lithium Ltd. (“Standard Lithium”) and our retained interest in CSI Compressco and liabilities, including the liabilities for the warrants to purchase 11.2 million shares of our common stock (the “Warrants”). See Note 8 - “Fair Value Measurements” for further discussion. Fair value measurements are also utilized on a nonrecurring basis in certain circumstances, including the impairment of long-lived assets (a Level 3 fair value measurement).

8

Supplemental Cash Flow Information

Supplemental cash flow information from continuing and discontinued operations is as follows:

	Six Months Ended June 30,
	2021		2020
	(in thousands)
Supplemental cash flow information(1):
Interest paid	$	7,577	$	35,127
Income taxes paid	853		2,195
Decrease in accrued capital expenditures	1,434		1,820

(1) Prior-year information includes the activity for CSI Compressco for the full period. Current-year information includes activity for CSI Compressco for January only.

New Accounting Pronouncements

Standards adopted in 2021

In December 2019, the FASB issued Accounting Standards Update (“ASU”) 2019-12, “Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes.” ASU 2019-12 simplifies the accounting for income taxes by eliminating certain exceptions related to intraperiod tax allocation, interim period income tax calculation methodology, and the recognition of deferred tax liabilities for outside basis differences. It also simplifies certain aspects of accounting for franchise taxes and clarifies the accounting for transactions that results in a step-up in the tax basis of goodwill. On January 1, 2021, we adopted ASU 2019-12. The adoption of this standard did not have a material impact on our consolidated financial statements.

Standards not yet adopted

    In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 amends the impairment model to utilize an expected loss methodology in place of the currently used incurred loss methodology, which will result in the more timely recognition of losses on financial instruments not accounted for at fair value through net income. The provisions require credit impairments to be measured over the contractual life of an asset and developed with consideration for past events, current conditions, and forecasts of future economic information. Credit impairment will be accounted for as an allowance for credit losses deducted from the amortized cost basis at each reporting date. We are continuing to work through our implementation plan which includes evaluating the impact on our allowance for doubtful accounts methodology, identifying new reporting requirements, and implementing changes to business processes, systems, and controls to support adoption of the standard. Upon adoption, the allowance for doubtful accounts is expected to increase with an offsetting adjustment to retained earnings. Updates at each reporting date after initial adoption will be recorded through selling, general, and administrative expense. ASU 2016-13 has an effective date of the first quarter of fiscal 2023. We continue to assess the potential effects of these changes to our consolidated financial statements.

    In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform (Topic 848)”, which provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships, and other transactions affected by the discontinuation of the London Interbank Offered Rate (“LIBOR”) or by another reference rate expected to be discontinued. The amendments are effective for all entities as of March 12, 2020 through December 31, 2022. Entities may elect to apply the amendments for contract modifications as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020, or prospectively from a date within an interim period that includes or is subsequent to March 12, 2020. As of June 30, 2021, we have not modified our credit agreements to remove references to LIBOR. We are currently evaluating the impacts of the provisions of ASU 2020-04 on our consolidated financial statements.

9

NOTE 2 – DISCONTINUED OPERATIONS

    On January 29, 2021, we entered into the Purchase and Sale Agreement with Spartan Energy Partners, LP (“Spartan”) pursuant to which we sold the general partner of CSI Compressco, including the IDRs in CSI Compressco and approximately 23.1% of the outstanding limited partner interests in CSI Compressco, in exchange for the combination of $13.4 million in cash paid at closing, $0.5 million in cash payable on the six-month anniversary of the closing and $3.1 million in contingent consideration in the form of cash and/or CSI Compressco common units if CSI Compressco achieves certain financial targets on or before December 31, 2022. Throughout this Quarterly Report, we refer to the transaction with Spartan as the “GP Sale.” As a result of these transactions, we no longer consolidate CSI Compressco as of January 29, 2021. We recognized a primarily non-cash accounting gain of $120.6 million during the six-month period ended June 30, 2021 related to the GP Sale. The gain is included in income (loss) from discontinued operations, net of taxes in our consolidated statement of operations. We will also continue to provide back-office support to CSI Compressco under a Transition Services Agreement for up to one year until CSI Compressco has completed a full separation from our back-office support functions. Our interest in CSI Compressco and the general partner represented substantially all of our Compression Division.

In addition, on March 1, 2018, we closed a series of related transactions that resulted in the disposition of our Offshore Division, consisting of our Offshore Services and Maritech segments. Our former Compression and Offshore Divisions are reported as discontinued operations for all periods presented. Our consolidated balance sheets and consolidated statements of operations report discontinued operations separate from continuing operations. Our consolidated statements of comprehensive income, statements of equity and statements of cash flows combine continuing and discontinued operations. Our current-year consolidated statement of operations, statement of comprehensive income, statement of equity and statement of cash flows include CSI Compressco activity for January 1 through January 29. Our consolidated statements of cash flows for the six-month periods ended June 30, 2021 and June 30, 2020 included $3.0 million and $11.2 million, respectively, of capital expenditures related to our former Compression division, as well as $271.8 million of proceeds from long-term debt, $273.9 million of payments of long-term debt, $3.6 million from proceeds from sale of property, plant and equipment, and $1.4 million from amortization of deferred financing discounts, costs and gains for the six-month period ended June 30, 2020. Our current-year results do not include CSI Compressco depreciation or amortization as the assets were considered held for sale. A summary of financial information related to our discontinued operations is as follows:

Reconciliation of the Line Items Constituting Pretax Loss from Discontinued Operations to the After-Tax Loss from Discontinued Operations

(in thousands)

	Three Months Ended June 30, 2021
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
General and administrative expense	$	—	$	5	$	5
Other expense, net	121		—		121
Pretax loss from discontinued operations	(121)		(5)		(126)
Loss from discontinued operations attributable to TETRA stockholders					$	(126)

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	Three Months Ended June 30, 2020
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
Revenue	$	96,371	$	—	$	96,371
Cost of revenues	62,768		(274)		62,494
Depreciation, amortization, and accretion	20,116		—		20,116
Impairments and other charges	8,977		—		8,977
General and administrative expense	10,152		111		10,263
Interest expense, net	12,982		—		12,982
Other expense, net	4,380		—		4,380
Pretax income (loss) from discontinued operations	(23,004)		163		(22,841)
Income tax provision					947
Total loss from discontinued operations					(23,788)
Loss from discontinued operations attributable to noncontrolling interest					15,781
Loss from discontinued operations attributable to TETRA stockholders					$	(8,007)

	Six Months Ended June 30, 2021
	Compression		Offshore Services		Total
Major classes of line items constituting income from discontinued operations
Revenue	$	18,968	$	—	$	18,968
Cost of revenues	11,474		28		11,502
General and administrative expense	2,795		—		2,795
Interest expense, net	4,336		—		4,336
Other expense, net	15		—		15
Pretax income (loss) from discontinued operations	348		(28)		320
Pretax gain on disposal of discontinued operations					120,574
Total pretax income from discontinued operations					120,894
Income tax provision					30
Total income from discontinued operations					120,864
Income from discontinued operations attributable to noncontrolling interest					(333)
Income from discontinued operations attributable to TETRA stockholders					$	120,531

	Six Months Ended June 30, 2020
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
Revenue	$	186,610	$	—	$	186,610
Cost of revenues	117,347		(334)		117,013
Depreciation, amortization, and accretion	40,025		—		40,025
Impairments and other charges	14,348		—		14,348
General and administrative expense	20,341		316		20,657
Interest expense, net	25,546		—		25,546
Other expense, net	4,798		—		4,798
Pretax (loss) income from discontinued operations	(35,795)		18		(35,777)
Income tax provision					1,379
Total income from discontinued operations					(37,156)
Loss from discontinued operations attributable to noncontrolling interest					24,615
Loss from discontinued operations attributable to TETRA stockholders					$	(12,541)

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Reconciliation of Major Classes of Assets and Liabilities of the Discontinued Operations to Amounts Presented Separately in the Statement of Financial Position

(in thousands)

	June 30, 2021
	Offshore Services		Maritech		Total
Carrying amounts of major classes of liabilities included as part of discontinued operations
Trade payables	$	1,223	$	—	$	1,223
Accrued liabilities and other	150		228		378
Total liabilities associated with discontinued operations	$	1,373	$	228	$	1,601

	December 31, 2020
	Compression		Offshore Services		Maritech		Total
Carrying amounts of major classes of assets included as part of discontinued operations
Cash and cash equivalents	$	16,577	$	—	$	—	$	16,577
Trade receivables	43,837		—		—		43,837
Inventories	31,220		—		—		31,220
Other current assets	5,231		—		—		5,231
Property, plant, and equipment	551,401		—		—		551,401
Other assets	61,740		—		—		61,740
Total assets associated with discontinued operations	$	710,006	$	—	$	—	$	710,006
Carrying amounts of major classes of liabilities included as part of discontinued operations
Trade payables	$	19,766	$	1,222	$	—	$	20,988
Unearned Income	269		—		—		269
Accrued liabilities and other	36,318		352		228		36,898
Long-term debt, net	638,631		—		—		638,631
Other liabilities	37,253		—		—		37,253
Total liabilities associated with discontinued operations	$	732,237	$	1,574	$	228	$	734,039

NOTE 3 – REVENUE FROM CONTRACTS WITH CUSTOMERS

Our contract asset balances, primarily associated with customer documentation requirements, were $19.3 million and $12.8 million as of June 30, 2021 and December 31, 2020, respectively. Contract assets, along with billed trade accounts receivable, are included in trade accounts receivable in our consolidated balance sheets.

    Unearned income includes amounts in which the Company was contractually allowed to invoice prior to satisfying the associated performance obligations. Unearned income balances were $3.0 million and $2.7 million as of June 30, 2021 and December 31, 2020, respectively, and vary based on the timing of invoicing and performance obligations being met. Revenues recognized during the six-month periods ended June 30, 2021 and June 30, 2020 deferred as of the end of the preceding year were not significant. During the six-month periods ended June 30, 2021 and June 30, 2020, contract costs were not significant.

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    We disaggregate revenue from contracts with customers into Product Sales and Services within each segment, as noted in our two reportable segments in Note 10. In addition, we disaggregate revenue from contracts with customers by geography based on the following table below.

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
Completion Fluids & Products
United States	$	25,229	$	32,102	$	49,824	$	70,060
International	39,378		39,244		61,304		76,523
	64,607		71,346		111,128		146,583
Water & Flowback Services
United States	35,463		22,867		64,395		77,250
International	2,256		1,857		4,127		4,940
	37,719		24,724		68,522		82,190
Total Revenue
United States	60,692		54,969		114,219		147,310
International	41,634		41,101		65,431		81,463
	$	102,326	$	96,070	$	179,650	$	228,773

NOTE 4 – INVENTORIES

Components of inventories as of June 30, 2021 and December 31, 2020 are as follows: 

	June 30, 2021		December 31, 2020
	(In Thousands)
Finished goods	$	59,814	$	68,121
Raw materials	3,783		2,910
Parts and supplies	4,554		4,001
Work in progress	1,920		1,626
Total inventories	$	70,071	$	76,658

Finished goods inventories include newly manufactured clear brine fluids as well as used brines that are repurchased from certain customers for recycling.

NOTE 5 – INVESTMENTS

Following the closing of the GP Sale, we continue to own approximately 10.9% of the outstanding CSI Compressco common units. In addition, we are party to agreements in which Standard Lithium has the right to explore, produce and extract lithium in our Arkansas leases as well as additional potential resources in the Mojave region of California. The Company receives cash and stock of Standard Lithium (NYSE:SLI) under the terms of the arrangements. The cash and stock component of consideration received is initially recorded as unearned income based on the quoted market price at the time the stock is received, then recognized in income over the contract term. See Note 8 - “Fair Value Measurements” for further information.

Our investments as of June 30, 2021 and December 31, 2020, consist of the following:

	June 30, 2021		December 31, 2020
	(In Thousands)
Investment in CSI Compressco	$	9,638	$	—
Investment in Standard Lithium	6,583		2,675
Total Investments	$	16,221	$	2,675

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NOTE 6 – LONG-TERM DEBT AND OTHER BORROWINGS

Consolidated long-term debt as of June 30, 2021 and December 31, 2020, consists of the following:

	Scheduled Maturity	June 30, 2021		December 31, 2020
		(In Thousands)
Asset-based credit agreement	September 10, 2023	$	—	$	—
Term credit agreement (1)	September 10, 2025	171,760		199,894
Total debt		171,760		199,894
Less current portion		(8,157)		—
Total long-term debt		$	163,603	$	199,894

(1) Net of unamortized discount of $5.0 million and $5.5 million as of June 30, 2021 and December 31, 2020, respectively, and net of unamortized deferred financing costs of $7.5 million and $8.2 million as of June 30, 2021 and December 31, 2020, respectively.

    As of June 30, 2021, we had no outstanding balance and $6.2 million in letters of credit against our asset-based credit agreement (“ABL Credit Agreement”). Because there was no outstanding balance on this ABL Credit Agreement, associated deferred financing costs of $0.9 million as of June 30, 2021, were classified as other long-term assets on the accompanying consolidated balance sheet. As of June 30, 2021, subject to compliance with the covenants, borrowing base, and other provisions of the ABL Credit Agreement that may limit borrowings, we had an availability of $31.7 million under this agreement. See Note 11 - “Subsequent Events” for additional information.

Our credit agreements contain certain affirmative and negative covenants, including covenants that restrict the ability to pay dividends or other restricted payments. As of June 30, 2021, we are in compliance with all covenants under the credit agreements. Our term credit agreement requires us to offer to prepay a percentage of Excess Cash Flow (as defined in the term credit agreement) following the conclusion of each calendar year. Within five business days of filing our Annual Report for the year ending December 31, 2021, the minimum amount we will be required to offer to prepay pursuant to this obligation is $8.2 million, which is reported as a current liability in our consolidated balance sheet

NOTE 7 – COMMITMENTS AND CONTINGENCIES

Litigation

We are named defendants in several lawsuits and respondents in certain governmental proceedings arising in the ordinary course of business. While the outcome of lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or other proceedings in excess of any amounts accrued has been incurred that is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.

There have been no material developments in our legal proceedings during the quarter ended June 30, 2021. For a discussion of our legal proceedings, please see our Annual Report on Form 10-K for the year ended December 31, 2020.

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NOTE 8 – FAIR VALUE MEASUREMENTS

Financial Instruments

Investments

Our retained investment in CSI Compressco and our investment in Standard Lithium are recorded based on the quoted market stock price in active markets (a Level 1 fair value measurement). The stock component of consideration received for our arrangement with Standard Lithium is initially recorded as unearned income based on the quoted market price at the time the stock is received, then recognized in income over the contract term. The unearned income associated with the stock component of this agreement is not significant as of June 30, 2021 or December 31, 2020. Changes in the value of stock are recorded in other income (expense) in our consolidated statements of operations

Warrants

The Warrants are valued using a Black Scholes option valuation model that includes estimates of the volatility of the Warrants (a Level 3 fair value measurement). The Warrants are accounted for as a derivative liability and increases (or decreases) in the fair value of the Warrants are generally associated with increases (or decreases) in the trading price of our common stock and by increases in the volatility of our common stock price, resulting in adjustments to earnings for the associated valuation losses (gains), and resulting in future volatility of our earnings during the period the Warrants are outstanding. The fair value of the Warrants and associated liability increased during the second quarter of 2021 primarily due to the increase in TETRA’s stock price. The estimated volatility as of June 30, 2021 was 60%. The outstanding Warrants expire by December 31, 2021.

Recurring and nonrecurring fair value measurements by valuation hierarchy as of June 30, 2021 and December 31, 2020, are as follows:

			Fair Value Measurements Using
	Total as of		Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	June 30, 2021		(Level 1)		(Level 2)		(Level 3)
	(In Thousands)
Investment in CSI Compressco	$	9,638	$	9,638	$	—	$	—
Investment in Standard Lithium	6,583		6,583		—		—
Warrants liability	(3,219)		—		—		(3,219)
Net asset	$	13,002

			Fair Value Measurements Using
	Total as of		Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs	Significant Unobservable Inputs
Description	December 31, 2020		(Level 1)		(Level 2)	(Level 3)
	(In Thousands)
Investment in Standard Lithium	$	2,675	$	2,675	—	$	—
Warrants liability	(198)		—		—	(198)
Net asset	$	2,477

The fair values of cash, restricted cash, accounts receivable, accounts payable, accrued liabilities, short-term borrowings and long-term debt pursuant to TETRA’s ABL Credit Agreement and term credit agreement approximate their carrying amounts. See Note 6 - “Long-Term Debt and Other Borrowings” for further discussion.

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NOTE 9 – NET INCOME (LOSS) PER SHARE

The average diluted shares outstanding excludes the impact of certain outstanding equity awards and warrants of 2,013,000 and 1,740,000 shares for the three and six-month periods ended June 30, 2021, respectively, and 16,000 and 11,000 shares for the three and six-month periods ended June 30, 2020, respectively, as the inclusion of these shares would have been anti-dilutive due to the net loss from continuing operations recorded during these periods.

NOTE 10 – INDUSTRY SEGMENTS

We manage our operations through two Divisions: Completion Fluids & Products and Water & Flowback Services.

 Summarized financial information concerning the business segments is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
Revenues from external customers
Product sales
Completion Fluids & Products Division	$	62,565	$	67,243	$	107,583	$	137,433
Water & Flowback Services Division	18		8		32		33
Consolidated	$	62,583	$	67,251	$	107,615	$	137,466
Services
Completion Fluids & Products Division	$	2,042	$	4,103	$	3,545	$	9,150
Water & Flowback Services Division	37,701		24,716		68,490		82,157
Consolidated	$	39,743	$	28,819	$	72,035	$	91,307
Total revenues
Completion Fluids & Products Division	$	64,607	$	71,346	$	111,128	$	146,583
Water & Flowback Services Division	37,719		24,724		68,522		82,190
Consolidated	$	102,326	$	96,070	$	179,650	$	228,773
Income (loss) before taxes
Completion Fluids & Products Division	$	16,427	$	13,202	$	25,438	$	32,598
Water & Flowback Services Division	(4,978)		(8,418)		(10,458)		(10,662)
Interdivision eliminations	3		2		6		7
Corporate Overhead(1)	(16,722)		(16,911)		(32,031)		(30,354)
Consolidated	$	(5,270)	$	(12,125)	$	(17,045)	$	(8,411)

(1) Amounts reflected include the following general corporate expenses:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
General and administrative expense	$	9,543	$	11,611	$	22,564	$	19,692
Depreciation and amortization	248		175		418		372
Interest expense	4,044		4,749		9,107		10,204
Warrants fair value adjustment (income) expense	2,698		11		3,021		(327)
Other general corporate income, net	189		365		(3,079)		413
Total	$	16,722	$	16,911	$	32,031	$	30,354

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NOTE 11 – SUBSEQUENT EVENTS

On July 30, 2021, we entered into an amendment of the ABL Credit Agreement that, among other things, extended the term of the credit facility to May 31, 2025 and revised our commitment to $80.0 million, with a $20.0 million accordion. The amendment increased the availability by adding the value of accrued Unites States receivables, increased the forward rates on accounts receivable for investment grade customers and incorporated a new $15.0 million sub-facility subject to a borrowing base consisting of certain trade receivables and inventory in the United Kingdom. The amendment resulted in an increase of approximately $9.4 million to the borrowing base as of July 30, 2021, compared to the borrowing base prior to the amendment. In connection with the amendment, we also elected to repay the $8.2 million under our term credit agreement that would have become due in 2022.

In May 2021, we signed a memorandum of understanding (“MOU”) with CarbonFree Chemicals Holdings, LLC (“CarbonFree”), a carbon capture company with patented technologies that capture CO2 and mineralize emissions to make commercial, carbon-negative chemicals. During the one-year MOU period, both Companies will work towards a definitive agreement that might include investments by TETRA into CarbonFree, a joint venture, or other commercial arrangements. On July 23, 2021, we entered into a commitment to invest $5.0 million in a convertible note to be issued by CarbonFree. Our investment in Carbon Free is contingent on certain conditions and is expected to be completed during the third quarter of 2021.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis of financial condition and results of operations should be read in conjunction with our unaudited consolidated financial statements and accompanying notes included in this Quarterly Report. In addition, the following discussion and analysis also should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2020 filed with the SEC on March 5, 2021 (“2020 Annual Report”). This discussion includes forward-looking statements that involve certain risks and uncertainties.

Business Overview  

We are a geographically diversified oil and gas services company, focused on completion fluids and associated products and services, comprehensive water management, frac flowback and production well testing. We operate through two reporting segments organized into two Divisions - Completion Fluids & Products and Water & Flowback Services. In January, we announced our commitment to pursue low carbon energy initiatives that would leverage our fluids and aqueous chemistry core competencies, our significant bromine and lithium assets (including our approximately 31,100 net acres of brine leases in Arkansas) and technologies, and our leading calcium chloride production capabilities.

After declining to historic lows due to depressed oil prices resulting from Russia and Saudi Arabia’s price war and the COVID-19 pandemic last year, toward the end of 2020 and into the first quarter of 2021, customer activity levels in the North America onshore business began to recover as oil prices returned to over $60 per barrel. Customer activity levels continued to improve during the second quarter as oil prices remained constructive, increasing into the $70 per barrel range by the end of the quarter.

Although activity during the second quarter of 2021 for offshore and international customers remained below prior year levels, our Completion Fluids and Products business delivered higher revenues sequentially compared to the first quarter as activity began to ramp back up in the Gulf of Mexico and internationally. The continued rollout of COVID-19 vaccines and fiscal stimulus policies are expected to support an ongoing global economic recovery and further improve the oil demand outlook which, together with continued discipline from United States operators, should provide support for oil and gas prices and further increases in offshore activity both in the Gulf of Mexico and internationally during the second half of the year. However, the current market conditions resulting from the COVID-19 pandemic could rapidly change and there could be a new outbreak of a COVID-19 variant or the vaccines may not be as effective as anticipated, which could negatively impact the demand for our services and products and our future revenues, results of operations and cash flows.

With activity levels expected to further increase during the second half of the year, we are continuing to tightly manage our cost structure. Many of the cost reduction initiatives executed in response to unprecedented industry conditions last year remained in effect as of the end of the second quarter.

On January 29, 2021 as previously announced in our 2020 Annual Report, we closed the sale of the general partner of CSI Compressco, including incentive distribution rights (“IDRs”) in CSI Compressco and approximately 23.1% of the outstanding limited partner interests in CSI Compressco, referred to as the “GP Sale.” We recorded a book gain of $120.6 million during 2021 in connection with the GP Sale. This gain, most of which was non-cash, was a function of CSI Compressco having a negative carrying value within our consolidated balance sheet due to our share of cumulative losses and distributions. We have reflected the operations of our former Compression Division as discontinued operations for all periods presented. Following the closing of the transaction, we continue to own approximately 10.9% of the outstanding CSI Compressco common units. See Note 2 – “Discontinued Operations” in the Notes to Consolidated Financial Statements for further information.

During the first quarter of 2021, we used proceeds from the GP sale and available cash on hand to pay down $29.3 million on our term loan, which matures in September 2025.

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Results of Operations

The following information should be read in conjunction with the Consolidated Financial Statements and the associated Notes contained elsewhere in this report.

Three months ended June 30, 2021 compared with three months ended June 30, 2020.

Consolidated Comparisons

	Three Months Ended June 30,						Period to Period Change
	2021			2020			2021 vs 2020		% Change
	(In Thousands, Except Percentages)
Revenues	$	102,326		$	96,070		$	6,256	6.5	%
Gross profit	16,433			15,811			622		3.9	%
Gross profit as a percentage of revenue	16.1		%	16.5		%
General and administrative expense	17,351			23,862			(6,511)		(27.3)	%
General and administrative expense as a percentage of revenue	17.0		%	24.8		%
Interest expense, net	3,886			4,604			(718)		(15.6)	%
Warrants fair value adjustment expense	2,698			11			2,687		NM(1)
Other income, net	(2,232)			(541)			(1,691)		(312.6)	%
Loss before taxes and discontinued operations	(5,270)			(12,125)			6,855		(56.5)	%
Loss before taxes and discontinued operations as a percentage of revenue	(5.2)		%	(12.6)		%
Provision for income taxes	1,384			1,054			330		31.3	%
Loss before discontinued operations	(6,654)			(13,179)			6,525		(49.5)	%
Discontinued operations:
Loss from discontinued operations, net of taxes	(126)			(23,788)			23,662		(99.5)	%
Net loss	(6,780)			(36,967)			30,187		(81.7)	%
Loss attributable to noncontrolling interest	27			15,712			(15,685)		(99.8)	%
Net loss attributable to TETRA stockholders	$	(6,753)		$	(21,255)		$	14,502	(68.2)	%

 (1) Percent change is not meaningful

Consolidated revenues increased in the current year quarter primarily due to improving industry conditions compared to the prior year quarter which had been significantly affected by the impact of the COVID-19 pandemic and reduced demand for oil and gas. See Divisional Comparisons section below for a more detailed discussion of the change in our revenue.

Consolidated gross profit increased in the current year quarter primarily due to the increase in revenue, partially offset by an increase in costs associated with the higher activity levels described above, resulting in relatively stable margins.

Consolidated general and administrative expenses decreased for the current quarter compared to the prior year quarter, primarily due to cost reduction actions taken during the last twelve months, including reduced compensation of $2.6 million. In addition, prior year bad debt expense was $3.8 million, which included a significant reserve related to a customer bankruptcy.

Increases (or decreases) in the fair value of the Warrants are generally associated with increases (or decreases) in the trading price of our common stock, resulting in adjustments to earnings for the associated valuation losses (gains), and resulting in future volatility of our earnings during the period the Warrants are outstanding. The increase in TETRA’s stock price over the last three months resulted in the fair-value adjustment expense in the current period of $2.7 million.

Consolidated other income, net, increased in the current quarter, compared to the prior year quarter primarily due to a $1.2 million increase in income related to unit and stock price appreciation of our investments in CSI Compressco and Standard Lithium. In addition, other income, net, includes foreign currency gains of

19

$0.2 million in the current year quarter compared to foreign currency losses of $0.8 million in the prior year quarter. These increases in other income were partially offset by a $0.6 million decrease in gains associated with the sale of assets.

Consolidated provision for income taxes was $1.4 million during the current quarter, compared to $1.1 million during the prior year quarter. Our consolidated effective tax rate for the current quarter of negative 26.3% was primarily the result of losses generated in entities for which no related tax benefit has been recorded. The losses generated by these entities do not result in tax benefits due to offsetting valuation allowances being recorded against the related net deferred tax assets. We establish a valuation allowance to reduce the deferred tax assets when it is more likely than not that some portion or all of the deferred tax assets will not be realized. Included in our deferred tax assets are net operating loss carryforwards and tax credits that are available to offset future income tax liabilities in the United States as well as in certain non-U.S. jurisdictions.

Income from discontinued operations, net of taxes, was nominal compared to a loss of $23.8 million for the prior year quarter. The current period includes a $(0.1) million adjustment to the gain recognized from the GP Sale completed in January 2021, while the prior year reflects CSI Compressco‘s full quarter results, including $9.0 million of asset impairments.

Income (loss) attributable to noncontrolling interest improved $15.7 million from the prior year quarter as CSI Compressco’s results were included in the prior year, while the continuing noncontrolling interest is immaterial for TETRA.

Divisional Comparisons

Completion Fluids & Products Division

	Three Months Ended June 30,						Period to Period Change
	2021			2020			2021 vs 2020		% Change
	(In Thousands, Except Percentages)
Revenues	$	64,607		$	71,346		$	(6,739)	(9.4)	%
Gross profit	18,543			20,819			(2,276)		(10.9)	%
Gross profit as a percentage of revenue	28.7		%	29.2		%
General and administrative expense	4,598			8,442			(3,844)		(45.5)	%
General and administrative expense as a percentage of revenue	7.1		%	11.8		%
Interest income, net	(162)			(143)			(19)		13.3	%
Other income, net	(2,320)			(682)			(1,638)		240.2	%
Income before taxes	$	16,427		$	13,202		$	3,225	24.4	%
Income before taxes as a percentage of revenue	25.4		%	18.5		%

Revenues for our Completion Fluids & Products Division decreased compared to the prior year quarter primarily due to lower offshore activity in the Gulf of Mexico and internationally. The timing of the reduction in offshore activity during 2020 due to the effects of the COVID-19 pandemic lagged onshore and did not significantly impact the prior year quarter for this division.

Completion Fluids & Products Division gross profit for the current year quarter decreased in relation to decreased revenues mentioned above although margins remained relatively stable.

Pretax income for our Completion Fluids & Products Division increased compared to the prior year period driven by a decrease in general and administrative expense and an increase in other income. The decrease in general and administrative expense was a result of decreased bad debt expense of $3.0 million associated with a customer bankruptcy in the prior year, and decreased wage and benefit related expenses of $0.8 million. The increase in other income, net, was primarily due to a $1.1 million increase in income from our investment in Standard Lithium, including an increase in the Standard Lithium stock price as well as income associated with additional shares received in May 2021. Foreign currency fluctuations were favorable compared with the prior year quarter by $0.4 million.

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Water & Flowback Services Division

	Three Months Ended June 30,						Period to Period Change
	2021			2020			2021 vs 2020		% Change
	(In Thousands, Except Percentages)
Revenues	$	37,719		$	24,724		$	12,995	52.6	%
Gross loss	(1,865)			(4,836)			2,971		(61.4)	%
Gross loss as a percentage of revenue	(4.9)		%	(19.6)		%
General and administrative expense	3,209			3,809			(600)		(15.8)	%
General and administrative expense as a percentage of revenue	8.5		%	15.4		%
Interest income, net	4			(2)			6		(300.0)	%
Other income, net	(100)			(225)			125		(55.6)	%
Loss before taxes	$	(4,978)		$	(8,418)		$	3,440	(40.9)	%
Income (loss) before taxes as a percentage of revenue	(13.2)		%	(34.0)		%

Revenues for our Water & Flowback Services Division increased due to higher customer drilling and completion activity compared to the prior year quarter. Revenues for the prior year quarter had been significantly impacted by industry-wide reductions in rig and frac count resulting from historically low oil prices due to the price war between Russia and Saudi Arabia, as well as the global pandemic.

Gross loss for our Water & Flowback Services Division improved in the current quarter compared to the prior year quarter, primarily due to higher revenues resulting from the increased activity levels described above. Additionally, the decrease in capital expenditures over the past twelve months has resulted in a decrease in depreciation expense as assets become fully depreciated.

The Water & Flowback Services Division reported a lower pretax loss in the current quarter primarily due to an improvement in the gross loss described above, as well as a decrease in general and administrative expense. General and administrative expense for our Water & Flowback Services Division decreased primarily due a decrease in bad debt expense of $0.7 million.

Corporate Overhead

	Three Months Ended June 30,				Period to Period Change
	2021		2020		2021 vs 2020		% Change
	(In Thousands, Except Percentages)
General and administrative expense	$	9,544	$	11,611	$	(2,067)	(17.8)	%
Interest expense, net	4,043		4,749		(706)		(14.9)	%
Warrants fair value adjustment expense	2,698		11		2,687		NM
Depreciation and amortization	248		175		73		41.7	%
Other expense, net	189		365		(176)		(48.2)	%
(Loss) before taxes	$	(16,722)	$	(16,911)	$	189	1.1	%

Corporate Overhead pretax loss decreased due to lower general and administrative expense and interest expense, offset by a $2.7 million fair value adjustment for the outstanding Warrants liability in the current quarter resulting primarily from the increase in TETRA’s stock price. General and administrative expense decreased primarily due to lower salary and employee expenses of $1.7 million and reduced professional expenses of $0.7 million. Salary and employee expenses were lower due to staffing reductions, despite continued appreciation in our stock price, which resulted in $1.3 million of additional expense related to certain long-term incentive compensation awards. The increase in TETRA’s stock price over the last twelve months resulted in the Warrants fair-value adjustment expense in the current period of $2.7 million.

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Six months ended June 30, 2021 compared with six months ended June 30, 2020.

Consolidated Comparisons

	Six Months Ended June 30,						Period to Period Change
	2021			2020			2021 vs 2020		% Change
	(In Thousands, Except Percentages)
Revenues	$	179,650		$	228,773		$	(49,123)	(21.5)	%
Gross profit	24,302			44,848			(20,546)		(45.8)	%
Gross profit as a percentage of revenue	13.5		%	19.6		%
General and administrative expense	37,363			44,210			(6,847)		(15.5)	%
General and administrative expense as a percentage of revenue	20.8		%	19.3		%
Interest expense, net	8,290			9,896			(1,606)		(16.2)	%
Warrants fair value adjustment expense (income)	3,021			(327)			3,348		NM
Other income, net	(7,327)			(520)			(6,807)		NM
Loss before taxes and discontinued operations	(17,045)			(8,411)			(8,634)		102.7	%
Loss before taxes and discontinued operations as a percentage of revenue	(9.5)		%	(3.7)		%
Provision for income taxes	1,552			1,776			(224)		(12.6)	%
Loss before discontinued operations	(18,597)			(10,187)			(8,410)		82.6	%
Discontinued operations:
Income (loss) from discontinued operations, net of taxes	120,864			(37,156)			158,020		(425.3)	%
Net income (loss)	102,267			(47,343)			149,610		(316.0)	%
(Income) loss attributable to noncontrolling interest	(306)			24,537			(24,843)		(101.2)	%
Net income (loss) attributable to TETRA stockholders	$	101,961		$	(22,806)		$	124,767	(547.1)	%

Consolidated revenues decreased in the current year period compared to the prior year period primarily due to the effects of the COVID-19 pandemic and the impact of the associated decline in oil prices on customer activity levels. The first quarter of the prior year period was not affected by the decline in oil prices or the pandemic. United States onshore activity was significantly impacted in the second quarter of 2020, but the significant ramp down in offshore and international activity did not occur until the second half of 2020. Gross profit as a percentage of revenue declined primarily due to the impact of fixed costs including rent, depreciation and amortization, which do not vary with revenue, as well as product mix. In addition, our revenues were negatively impacted by historic cold weather during February of 2021, which temporarily shut down operations in several southern states within the United States. See Divisional Comparisons section below for additional discussion.

Consolidated general and administrative expenses decreased primarily due to decreased bad debt expense of $4.7 million and decreased salary and employee expenses of $3.1 million, partially offset by increased professional services fees of $1.2 million related to the GP Sale. Salary and employee expenses were lower despite appreciation in our stock price since the start of the year, which resulted in $4.7 million of additional expense related to certain long-term incentive compensation awards. The decrease in our salary and employee expenses stemmed from our restructuring efforts and headcount reductions in response to the decline in activity levels.

Consolidated interest expense, net, decreased in the current year period primarily due to $29.3 million of repayments of our term credit facility during the first quarter of 2021.

The increase in TETRA’s stock price over the last six months resulted in the Warrants fair-value adjustment expense in the current year period of $3.0 million.

Consolidated other income, net, increased primarily due to a $5.4 million increase in unit and stock price appreciation of our investments in CSI Compressco and Standard Lithium. Additionally, the current year period includes foreign currency gains of $1.0 million, compared with foreign currency losses of $0.9 million in the prior year period.

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Our consolidated provision for income taxes for the current year period is primarily attributable to taxes in certain non-U.S. jurisdictions and Texas gross margin taxes. Our consolidated effective tax rate for the six-month period ended June 30, 2021 of negative 9.1% was primarily the result of losses generated in entities for which no related tax benefit has been recorded. The losses generated by these entities do not result in tax benefits due to offsetting valuation allowances being recorded against the related net deferred tax assets. We establish a valuation allowance to reduce the deferred tax assets when it is more likely than not that some portion or all of the deferred tax assets will not be realized. Included in our deferred tax assets are net operating loss carryforwards and tax credits that are available to offset future income tax liabilities in the United States as well as in certain non-U.S. jurisdictions.

Income from discontinued operations, net of taxes, was $120.9 million compared to a loss of $37.2 million for the prior year, including $14.3 million of asset impairments. The current year income includes a $120.6 million primarily non-cash accounting gain from the deconsolidation of CSI Compressco. This gain is offset by a $0.01 million tax provision after taking into consideration utilization of net operating loss and credit carryforwards.

Income (loss) attributable to noncontrolling interest improved from a $24.5 million loss in the prior year to $0.3 million of income for the first 29 days of January primarily due to the GP Sale in January 2021, and no depreciation or amortization recognized by TETRA for CSI Compressco in the current year.

Divisional Comparisons

Completion Fluids & Products Division

	Six Months Ended June 30,						Period to Period Change
	2021			2020			2021 vs 2020		% Change
	(In Thousands, Except Percentages)
Revenues	$	111,128		$	146,583		$	(35,455)	(24.2)	%
Gross profit	30,194			46,783			(16,589)		(35.5)	%
Gross profit as a percentage of revenue	27.2		%	31.9		%
General and administrative expense	8,904			14,375			(5,471)		(38.1)	%
General and administrative expense as a percentage of revenue	8.0		%	9.8		%
Interest income, net	(300)			(297)			(3)		1.0	%
Other (income) expense, net	(3,848)			107			(3,955)		NM
Income before taxes	$	25,438		$	32,598		$	(7,160)	(22.0)	%
Income before taxes as a percentage of revenue	22.9		%	22.2		%

Revenues for our Completion Fluids & Products Division decreased primarily due to lower activity in the North Sea and some deferral of activity in the Gulf of Mexico as several projects were delayed into future quarters. In addition, the prior year period benefited from a large international order. The COVID-19 pandemic and associated reduction in oil prices did not have a significant impact on offshore activity until the second half of 2020. In addition, the first quarter of 2020 reflected increased division product sales revenues in the Gulf of Mexico, including product sales associated with a TETRA CS Neptune completion fluid sale, and increased international product sales as well as domestic manufactured products sales.

Gross profit for our Completion Fluids & Products Division decreased compared to the prior year period due to lower revenue and product mix. Completion Fluids & Products Division profitability in future periods will continue to be affected by the mix of its products and services, market demand for our products and services, drilling and completions activity and commodity prices.

Pretax income for our Completion Fluids & Products Division decreased due to the reduction in gross profit described above. General and administrative expense decreased primarily due to a lower bad debt expense of $3.0 million and decreased salary and employee-related expenses of $2.1 million. Other (income) expense, net, improved primarily due to a $2.4 million increase in income from our investment in Standard Lithium, most of which was represented by an increase in the Standard Lithium stock price. In addition, foreign currency fluctuations were favorable compared with the prior year period by $1.4 million.

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Water & Flowback Services Division

	Six Months Ended June 30,						Period to Period Change
	2021			2020			2021 vs 2020		% Change
	(In Thousands, Except Percentages)
Revenues	$	68,522		$	82,190		$	(13,668)	(16.6)	%
Gross profit (loss)	(5,479)			(1,569)			(3,910)		249.2	%
Gross profit as a percentage of revenue	(8.0)		%	(1.9)		%
General and administrative expense	5,895			10,143			(4,248)		(41.9)	%
General and administrative expense as a percentage of revenue	8.6		%	12.3		%
Interest income, net	(518)			(11)			(507)		NM
Other income, net	(398)			(1,039)			641		(61.7)	%
Income (loss) before taxes	$	(10,458)		$	(10,662)		$	204	1.9	%
Income (loss) before taxes as a percentage of revenue	(15.3)		%	(13.0)		%

    Revenues for our Water & Flowback Services Division decreased in the current year period compared to the prior year period. Although customer activity levels continued to increase from recent lows in response to an improving commodity price environment, they remained well below the level of the first quarter of 2020. Additionally, the current year was negatively impacted by severe weather that caused extended shut downs in certain locations during the first quarter.

The Water & Flowback Services Division reported a deterioration in gross profit (loss) during the current year period compared to the prior year period primarily due to lower revenues resulting from the decreased activity levels described above. In addition, we have incurred some start-up costs associated with a ramp up in activity levels.

The Water & Flowback Services Division reported a lower pretax loss with the increase in gross loss described above, more than offset by a decrease in general and administrative expense. General and administrative expenses decreased primarily due to decreased salary and benefit related expenses of $2.4 million and a decrease in bad debt expense of $1.7 million.

Corporate Overhead

	Six Months Ended June 30,				Period to Period Change
	2021		2020		2021 vs 2020		% Change
	(In Thousands, Except Percentages)
General and administrative expense	$	22,564	$	19,692	$	2,872	14.6	%
Interest expense, net	9,107		10,204		(1,097)		(10.8)	%
Warrants fair value adjustment income	3,021		(327)		3,348		NM
Depreciation and amortization	418		372		46		12.4	%
Other (income) expense, net	(3,079)		413		(3,492)		NM
(Loss) before taxes	$	(32,031)	$	(30,354)	$	(1,677)	(5.5)	%

Corporate Overhead pretax loss increased due to an increase in general and administrative expense and the $3.0 million current period Warrants fair value expense from the increase in TETRA’s stock price, offset by an improvement in other (income) expense, net.

General and administrative expense for our Corporate Overhead for the current year period includes $4.7 million of expense related to certain long-term incentive compensation awards resulting from the significant appreciation in our stock price since the beginning of the year and $1.2 million of transaction expenses related to the GP Sale. Excluding these items, general and administrative expense would have been $16.7 million, or $3.0 million lower than prior year.

Corporate other (income) expense, net changed from $0.4 million expense in the prior year period to $3.1 million income in the current year period. This change was primarily due to a $3.0 million increase in the market value of the CSI Compressco units we continue to own following the closing of the GP Sale.

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How we Evaluate Operations

     We use U.S. GAAP financial measures such as revenues, gross profit, income (loss) before taxes, and net cash provided by operating activities, as well as certain non-GAAP financial measures, including Adjusted EBITDA, as performance measures for our business.

    Adjusted EBITDA. We view Adjusted EBITDA as one of our primary management tools, and we track it on a monthly basis, both in dollars and as a percentage of revenues (typically compared to the prior month, prior year period, and to budget). We define Adjusted EBITDA as earnings before interest, taxes, depreciation, amortization, impairments and certain other non-cash charges and non-recurring adjustments.

    Adjusted EBITDA is used as a supplemental financial measure by our management to:

•evaluate the financial performance of our assets without regard to financing methods, capital structure, or historical cost basis; and

•determine our ability to incur and service debt and fund capital expenditures.

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 The following table reconciles net income (loss) to Adjusted EBITDA for the periods indicated:

	Three Months Ended
	June 30, 2021
	Completion Fluids & Products			Water & Flowback Services			Corporate SG&A		Other and Eliminations		Total
	(In Thousands, Except Percents)
Revenue	$	64,607		$	37,719		$	—	$	—	$	102,326
Net income (loss) before taxes and discontinued operations	16,427			(4,978)			(9,543)		(7,176)		(5,270)
Adjustment to long-term incentives	—			—			627		—		627
Transactions and other expenses	(391)			145			(99)		—		(345)
Former CEO stock appreciation right expense	—			—			714		—		714
Restructuring expenses	291			742			—		—		1,033
Stock warrant fair value adjustment	—			—			—		2,698		2,698
Adjusted income (loss) before taxes and discontinued operations	$	16,327		$	(4,091)		$	(8,301)	$	(4,478)	$	(543)
Adjusted interest expense, net	(162)			3			—		4,044		3,885
Adjusted depreciation and amortization	1,701			6,087			—		245		8,033
Equity compensation expense	—			—			1,592		—		1,592
Adjusted EBITDA	$	17,866		$	1,999		$	(6,709)	$	(189)	$	12,967
Adjusted EBITDA as % of revenue	27.7		%	5.3		%					12.7		%
	Three Months Ended
	June 30, 2020
	Completion Fluids & Products			Water & Flowback Services			Corporate SG&A		Other and Eliminations		Total
	(In Thousands, Except Percents)
Revenue	$	71,346		$	24,724		$	—	$	—	$	96,070
Net income (loss) before taxes and discontinued operations	13,202			(8,418)			(11,611)		(5,298)		(12,125)
Severance	569			1,016			334		—		1,919
Transaction and other expenses	(90)			—			276		—		186
Restructuring and severance expenses	31			187			—		—		218
Stock warrant fair value adjustment	—			—			—		11		11
Allowance for bad debt	2,800			—			—		—		2,800
Adjusted income (loss) before taxes and discontinued operations	$	16,512		$	(7,215)		$	(11,001)	$	(5,287)	$	(6,991)
Adjusted interest expense, net	(143)			(2)			—		4,749		4,604
Adjusted depreciation and amortization	1,934			7,617			—		175		9,726
Equity compensation expense	—			—			1,602		—		1,602
Adjusted EBITDA	$	18,303		$	400		$	(9,399)	$	(363)	$	8,941
Adjusted EBITDA as % of revenue	25.7		%	1.6		%					9.3		%

Adjusted EBITDA is a financial measure that is not in accordance with U.S. GAAP and should not be considered an alternative to net income, operating income, cash provided by operating activities, or any other measure of financial performance presented in accordance with U.S. GAAP. This measure may not be comparable to similarly titled financial metrics of other companies, as other companies may not calculate Adjusted EBITDA in the same manner as we do. Management compensates for the limitations of Adjusted EBITDA as an analytical tool by reviewing the comparable U.S. GAAP measures, understanding the differences between the measures, and incorporating this knowledge into management’s decision-making processes.

Liquidity and Capital Resources

    We believe that our capital structure allows us to meet our financial obligations despite current uncertain operating conditions and financial markets. Our liquidity at the end of second quarter was $82.0 million. Liquidity is defined as unrestricted cash plus availability under the revolving credit facility. Information about the terms and covenants of our debt agreements can be found in our 2020 Annual Report and in Note 6 - Long Term Debt and Other Borrowings.

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Our consolidated sources and uses of cash, which include cash activity from our former Compression Division, for January 2021 prior to the closing of the GP sale and for the six months ended 2020 are as follows:

	Six Months Ended June 30,
	2021		2020
	(In Thousands)
Operating activities	$	7,607	$	60,387
Investing activities	(10,451)		(14,063)
Financing activities	(29,775)		(6,486)

Operating Activities

Consolidated cash flows provided by operating activities decreased $52.8 million compared to the first six months of 2020. Current year cash flows provided by operating activities include $0.9 million generated by CSI Compressco in January prior to closing of the GP Sale, compared to $13.4 million during the six-month period ending June 30, 2020. Operating cash flows decreased primarily due to including the results of CSI Compressco for one month during the current year compared to six months during the prior year, as well as a decrease in revenue, and the effect of working capital movements at the end of the quarter, particularly related to growth in accounts receivable. We continue to monitor customer credit risk in the current environment and focus on serving larger capitalized oil and gas operators and national oil companies.

Investing Activities

Total cash capital expenditures during the first six months of 2021 were $12.5 million. Our Water & Flowback Services Division spent $7.9 million on capital expenditures, primarily to maintain, automate and upgrade its water management and flowback equipment fleet. Our Completion Fluids & Products Division spent $1.5 million on capital expenditures. Our former Compression Division spent $3.0 million in January of 2021 primarily to maintain its compression fleet.

Historically, a significant majority of our planned capital expenditures have been related to identified opportunities to grow and expand our existing businesses. However, such expenditures have recently been, and may continue to be, postponed or canceled as we are reviewing all capital expenditure plans carefully in an effort to conserve cash. We currently have no long-term capital expenditure commitments. The deferral of capital projects could affect our ability to expand our operations in the future. If the forecasted demand for our products and services increases or decreases, the amount of planned expenditures on growth and expansion may be adjusted.

Financing Activities 

As a result of TETRA’s strong cash flow from operations in 2020 and the proceeds from the GP Sale, during the first six months of 2021, we repaid $29.3 million on our term credit agreement. We may supplement our existing cash balances and cash flow from operating activities with short-term borrowings, long-term borrowings, issuances of equity and debt securities, and other sources of capital. We are aggressively managing our working capital and capital expenditure needs in order to maximize our liquidity in the current environment.

Long-Term Debt

Asset-Based Credit Agreement. As of June 30, 2021, our ABL Credit Agreement provides for a senior secured revolving credit facility of up to $100.0 million, subject to a borrowing base to be determined by reference to the value of inventory and accounts receivable, and includes a sublimit of $20.0 million for letters of credit and a swingline loan sublimit of $10.0 million. The amounts we may borrow under the ABL Credit Agreement are derived from our accounts receivable and certain inventory. Changes in demand for our products and services have an

27

impact on our eligible accounts receivable and the value of our inventory, which could result in significant changes to our borrowing base and therefore our availability under our ABL Credit Agreement.

On July 30, 2021, we entered into an amendment of the ABL Credit Agreement that, among other things, extended the term of the credit facility to May 31, 2025 and revised our commitment to $80.0 million with a $20.0 million accordion. The amendment increased the availability by adding the value of accrued United States receivables, increased the forward rates on accounts receivable for investment grade customers and incorporated a new $15.0 million sub-facility subject to a borrowing base consisting of certain trade receivables and inventory in the United Kingdom. The amendment resulted in an approximate $9.4 million increase to the borrowing base as of July 30, 2021, compared to the borrowing base prior to the amendment.

    Term Credit Agreement.    The term credit agreement is scheduled to mature on September 10, 2025. Our term credit agreement requires us to offer to prepay a percentage of Excess Cash Flow (as defined in the term credit agreement) following the conclusion of each calendar year. Within five business days of filing our Annual Report for the year ending December 31, 2021, the minimum amount we will be required to offer to prepay pursuant to this obligation is $8.2 million. In connection with the July 30, 2021 ABL Credit Agreement amendment, we elected to repay the $8.2 million under our term credit agreement that would have become due in 2022. As of July 30, 2021, $176.1 million in aggregate principal amount of our term credit agreement is outstanding.

Other Sources and Uses

    In addition to the aforementioned credit facilities, we fund our respective short-term liquidity requirements from cash generated by our respective operations and from short-term vendor financing. Should additional capital be required, the ability to raise such capital through the issuance of additional debt or equity securities may currently be limited. Instability or volatility in the capital markets at the times we need to access capital may affect the cost of capital and the ability to raise capital for an indeterminable length of time. If it is necessary to issue additional equity to fund our capital needs, additional dilution of our common stockholders will occur. We periodically evaluate engaging in strategic transactions and may consider divesting non-core assets where our evaluation suggests such transaction is in the best interest of our business. In challenging economic environments, we may experience increased delays and failures by customers to pay our invoices. Given the nature and significance of the pandemic and disruption in the oil and gas industry, we could experience delayed customer payments and payment defaults associated with customer liquidity issues and bankruptcies. If our customers delay paying or fail to pay us a significant amount of our outstanding receivables, it could have an adverse effect on our liquidity. An increase of aged unpaid receivable would also negatively affect our borrowing availability under the ABL Credit Agreement.

Off Balance Sheet Arrangements

As of June 30, 2021, we had no “off balance sheet arrangements” that may have a current or future material effect on our consolidated financial condition or results of operations. 

Critical Accounting Policies and Estimates

    There have been no material changes or developments in the evaluation of the accounting estimates and

the underlying assumptions or methodologies pertaining to our Critical Accounting Policies and Estimates disclosed

in our 2020 Annual Report. In preparing our consolidated financial statements, we make assumptions, estimates, and judgments that affect the amounts reported. These judgments and estimates may change as new events occur, as new information is acquired, and as changes in our operating environments are encountered. Actual results are likely to differ from our current estimates, and those differences may be material.

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Commitments and Contingencies

Investment

In May 2021, we signed a MOU with CarbonFree, a carbon capture company with patented technologies that capture CO2 and mineralize emissions to make commercial, carbon-negative chemicals. TETRA and CarbonFree have been jointly sharing and leveraging both Companies' technical resources and expertise as CarbonFree continues to advance their carbon capture mineralization pilot plant, processes, and technologies. During the one-year MOU period, both Companies will work towards a definitive agreement that might include investments by TETRA into CarbonFree, a joint venture, or other commercial arrangements that will leverage each Company's strength to advance this market-leading technology. On July 23, 2021, we entered into a commitment to invest $5.0 million in a convertible note to be issued by CarbonFree. Our investment in Carbon Free is contingent on certain conditions and is expected to be completed during the third quarter of 2021.

Litigation

For information regarding litigation, see - Note 7 - “Commitments and Contingencies” in the Notes to Consolidated Financial Statements.

Long-Term Debt

For information on our credit agreements, see Note 6 - “Long-Term Debt and Other Borrowings” and Note 11 - “Subsequent Events” in the Notes to Consolidated Financial Statements.

Leases

We have operating leases for some of our transportation equipment, office space, warehouse space, operating locations, and machinery and equipment. Our leases have remaining lease terms ranging from 1 to 16 years. Information about the terms and covenants of our lease agreements can be found in our 2020 Annual Report.

Product Purchase Obligations

In the normal course of our Completion Fluids & Products Division operations, we enter into supply agreements with certain manufacturers of various raw materials and finished products. Some of these agreements have terms and conditions that specify a minimum or maximum level of purchases over the term of the agreement. Other agreements require us to purchase the entire output of the raw material or finished product produced by the manufacturer. Our purchase obligations under these agreements apply only with regard to raw materials and finished products that meet specifications set forth in the agreements. We recognize a liability for the purchase of such products at the time we receive them. As of June 30, 2021, the aggregate amount of the fixed and determinable portion of the purchase obligation pursuant to our Completion Fluids & Products Division’s supply agreements was approximately $80.7 million, including $4.8 million for the remainder of 2021, $9.5 million per year from 2022 to 2025 and $37.9 million thereafter, extending through 2029.

Cautionary Statement for Purposes of Forward-Looking Statements

This Quarterly Report on Form 10-Q contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements in this Quarterly Report are identifiable by the use of the following words, the negative of such words, and other similar words: “anticipates”, “assumes”, “believes”, “budgets”, “could”, “estimates”, “expects”, “forecasts”, “goal”, “intends”, “may”, “might”, “plans”, “predicts”, “projects”, “schedules”, “seeks”, “should”, “targets”, “will”, and “would”.

    Management believes that these forward-looking statements are reasonable as and when made. However, caution should be taken not to place undue reliance on any such forward-looking statements because such statements speak only as of the date when made. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. In addition, forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from our historical experience and our present expectations or projections. These risks

29

and uncertainties include, but are not limited to, those described in Part II, “Item 1A. Risk Factors” and elsewhere in this report and in our Annual Report on Form 10-K for the year ended December 31, 2020, and those described from time to time in our future reports filed with the SEC.

Item 3. Quantitative and Qualitative Disclosures about Market Risk.

Not Applicable.

Item 4. Controls and Procedures.

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of our disclosure controls and procedures, as such term is defined under Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, as amended. Based on this evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of June 30, 2021, the end of the period covered by this quarterly report.

There were no changes in our internal control over financial reporting that occurred during the quarter ended June 30, 2021, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II

OTHER INFORMATION

Item 1. Legal Proceedings.

For information regarding litigation, see - Note 7 - “Commitments and Contingencies” in the Notes to Consolidated Financial Statements.

Item 1A. Risk Factors.

As of the date of this filing, TETRA and its operations continue to be subject to the risk factors previously disclosed in the “Risk Factors” sections contained in the 2020 Annual Report.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

(a) None.

(b) None.

(c) Purchases of Equity Securities by the Issuer and Affiliated Purchasers.

Period	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs(1)	Maximum Number (or Approximate Dollar Value) of Shares that May Yet be Purchased Under the Publicly Announced Plans or Programs(1)
April 1 – April 30, 2021	1,258	(2)	$	2.51	—	$	14,327,000
May 1 – May 31, 2021	988	(2)	2.95		—	14,327,000
June 1 – June 30, 2021	—		—		—	14,327,000
Total	2,246				—	$	14,327,000

(1)In January 2004, our Board of Directors authorized the repurchase of up to $20 million of our common stock. Purchases will be made from time to time in open market transactions at prevailing market prices. The repurchase program may continue until the authorized limit is reached, at which time the Board of Directors may review the option of increasing the authorized limit.

(2)Shares we received in connection with the exercise of certain employee stock options or the vesting of certain shares of employee restricted stock. These shares were not acquired pursuant to the stock repurchase program.

30

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

None.

Item 5. Other Information.

None.

31

Item 6. Exhibits.

Exhibits:

10.1***	TETRA Technologies, Inc. First Amended and Restated 2018 Equity Incentive Plan, incorporated by reference to Exhibit 4.1 to the Company’s Registration Statement on Form S-8 filed with the SEC on May 26, 2021 (SEC File No. 333-256494).
31.1*	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, As Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification Furnished Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification Furnished Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.SCH+	XBRL Taxonomy Extension Schema Document.
101.CAL+	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF+	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB+	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE+	XBRL Taxonomy Extension Presentation Linkbase Document.
104*	Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL documents

*    Filed with this report.

**    Furnished with this report.

***    Management contract or compensatory plan or arrangement.

+    Attached as Exhibit 101 to this report are the following documents formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Statements of Operations for the three and six-month periods ended June 30, 2021 and 2020; (ii) Consolidated Statements of Comprehensive Income for the three and six-month periods ended June 30, 2021 and 2020; (iii) Consolidated Balance Sheets as of June 30, 2021 and December 31, 2020; (iv) Consolidated Statements of Equity for the six-month periods ended June 30, 2021 and 2020 ; (v) Consolidated Statements of Cash Flows for the six-month periods ended June 30, 2021 and 2020; and (vi) Notes to Consolidated Financial Statements for the six months ended June 30, 2021.

32

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		TETRA Technologies, Inc.
Date:	August 2, 2021	By:	/s/Brady M. Murphy
			Brady M. Murphy
			President and Chief Executive Officer
			Principal Executive Officer
Date:	August 2, 2021	By:	/s/Elijio V. Serrano
			Elijio V. Serrano
			Senior Vice President and Chief Financial Officer
			Principal Financial Officer
Date:	August 2, 2021	By:	/s/Richard D. O’Brien
			Richard D. O’Brien
			Vice President – Finance and Global Controller
			Principal Accounting Officer

33

EX-31.1

Exhibit 31.1

Certification Pursuant to

Rule 13a-14(a) or 15d-14(a) of the Exchange Act

As Adopted Pursuant to

Section 302 of the Sarbanes-Oxley Act of 2002

I, Brady M. Murphy, certify that:

1.I have reviewed this report on Form 10-Q for the fiscalquarter ended June 30, 2021, of TETRA Technologies, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presentedin this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;

d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent function):

a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date:	August 2, 2021	/s/Brady M. Murphy
		Brady M. Murphy
		President and
		Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification Pursuant to

Rule 13a-14(a) or 15d-14(a) of the Exchange Act

As Adopted Pursuant to

Section 302 of the Sarbanes-Oxley Act of 2002

I, Elijio V. Serrano, certify that:

1.I have reviewed this report on Form 10-Q for the fiscalquarter ended June 30, 2021, of TETRA Technologies, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)evaluated the effectiveness of the registrant’s disclosure controls and procedures and presentedin this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;

d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent function):

a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date:	August 2, 2021	/s/Elijio V. Serrano
		Elijio V. Serrano
		Senior Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification Pursuant to

18 U.S.C. Section 1350

As Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of TETRA Technologies, Inc. (the “Company”) on Form 10-Q for the period ending June 30, 2021as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Brady M. Murphy, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	August 2, 2021	/s/Brady M. Murphy
		Brady M. Murphy
		President and Chief Executive Officer
		TETRA Technologies, Inc.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and ExchangeCommission or its staff upon request.

EX-32.2

Exhibit 32.2

Certification Pursuant to

18 U.S.C. Section 1350

As Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of TETRA Technologies, Inc. (the “Company”) on Form 10-Q for the periodending June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Elijio V. Serrano, Senior Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	August 2, 2021	/s/Elijio V. Serrano
		Elijio V. Serrano
		Senior Vice President and Chief Financial Officer
		TETRA Technologies, Inc.

A signedoriginal of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Cover Page - shares	6 Months Ended
	Jun. 30, 2021	Jul. 30, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	1-13455
Entity Registrant Name	TETRA Technologies, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	74-2148293
Entity Address, Address Line One	24955 Interstate 45 North
Entity Address, City or Town	The Woodlands,
Entity Address, Postal Zip Code	77380
Entity Address, State or Province	TX
City Area Code	281
Local Phone Number	367-1983
Title of 12(b) Security	Common Stock
Trading Symbol	TTI
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Common Stock Shares Outstanding		126,604,901
Entity Central Index Key	0000844965
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Amendment Flag	false

XML

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues from external customers		$ 102,326	$ 96,070	$ 179,650	$ 228,773
Cost of Goods and Services Sold [Abstract]
Depreciation, amortization, and accretion		8,236	9,726	17,187	19,277
Impairment and other charges		449	0	449	0
Insurance recoveries associated with damaged equipment		0	74	110	74
Total cost of revenues		85,893	80,259	155,348	183,925
Gross profit		16,433	15,811	24,302	44,848
General and administrative expense		17,351	23,862	37,363	44,210
Interest expense, net		3,886	4,604	8,290	9,896
Warrants fair value adjustment expense (income)		2,698	11	3,021	(327)
Other general corporate income, net		(2,232)	(541)	(7,327)	(520)
Loss before taxes and discontinued operations		(5,270)	(12,125)	(17,045)	(8,411)
Provision for income taxes		1,384	1,054	1,552	1,776
Income (loss) before taxes		(6,654)	(13,179)	(18,597)	(10,187)
Total loss from discontinued operations		(126)	(23,788)	120,864	(37,156)
Net income (loss)		(6,780)	(36,967)	102,267	(47,343)
(Income) loss attributable to noncontrolling interest	[1]	27	15,712	(306)	24,537
Net income (loss) attributable to TETRA stockholders		$ (6,753)	$ (21,255)	$ 101,961	$ (22,806)
Basic and diluted net income (loss) per common share:
Income (Loss) from Continuing Operations, Per Basic Share		$ (0.05)	$ (0.11)	$ (0.15)	$ (0.08)
Income (Loss) from Continuing Operations, Per Diluted Share		(0.05)	(0.11)	(0.15)	(0.08)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share		0	(0.06)	0.96	(0.10)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share		0	(0.06)	0.96	(0.10)
Net income (loss) attributable to TETRA stockholders, per basic share		(0.05)	(0.17)	0.81	(0.18)
Net income (loss) attributable to TETRA stockholders, per diluted share		$ (0.05)	$ (0.17)	$ 0.81	$ (0.18)
Weighted Average Number of Shares Outstanding, Basic		126,583	125,886	126,365	125,736
Weighted Average Number of Shares Outstanding, Diluted		126,583	125,886	126,365	125,736
Product sales
Revenues from external customers		$ 62,583	$ 67,251	$ 107,615	$ 137,466
Cost of Goods and Services Sold [Abstract]
Cost of product sales		42,477	45,031	74,460	90,319
Services
Revenues from external customers		39,743	28,819	72,035	91,307
Cost of Goods and Services Sold [Abstract]
Cost of product sales		$ 34,731	$ 25,576	$ 63,362	$ 74,403

[1] (Income) loss attributable to noncontrolling interest includes zero and $15,781 loss for the three-month periods ended June 30, 2021 and 2020, respectively, and $333 income and $24,615 loss for the six-month periods ended June 30, 2021 and 2020, respectively, related to discontinued operations.

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (6,780)	$ (36,967)	$ 102,267	$ (47,343)
Foreign currency translation adjustment from continuing operations, net of taxes of $0 in 2021 and 2020	2,157	1,095	(622)	(5,372)
Comprehensive income (loss)	(4,623)	(35,872)	101,645	(52,715)
Comprehensive (income) loss attributable to noncontrolling interest	27	15,597	(306)	24,651
Comprehensive income (loss) attributable to TETRA stockholders	$ (4,596)	$ (20,275)	$ 101,339	$ (28,064)

XML

Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustment, tax	$ 0	$ 0	$ 0	$ 0

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 50,314	$ 67,252
Restricted cash	65	65
Trade accounts receivable, net of allowances	79,467	64,078
Inventories	70,071	76,658
Assets of discontinued operations	0	710,006
Prepaid expenses and other current assets	15,881	13,487
Total current assets	215,798	931,546
Property, plant, and equipment:
Land and building	26,477	26,506
Machinery and equipment	361,254	365,296
Automobiles and trucks	16,820	18,446
Chemical plants	62,015	62,714
Construction in progress	4,092	1,526
Total property, plant, and equipment	470,658	474,488
Less accumulated depreciation	(379,235)	(377,632)
Net property, plant, and equipment	91,423	96,856
Other assets:
Patents, trademarks and other intangible assets, net of accumulated amortization	39,237	41,487
Deferred tax assets, net	44	52
Operating lease right-of-use assets	39,517	43,448
Investments	16,221	2,675
Other assets	14,569	16,775
Total other assets	109,588	104,437
Total assets	416,809	1,132,839
Current liabilities:
Trade accounts payable	38,868	22,573
Unearned income	3,019	2,675
Accrued liabilities	44,069	38,791
Liabilities of discontinued operations	1,601	734,039
Current portion of long-term debt	8,157	0
Total current liabilities	95,714	798,078
Long-term debt, net	163,603	199,894
Deferred income taxes	1,939	1,942
Decommissioning and other asset retirement obligations, net	12,699	12,484
Warranty Liability	3,219	198
Operating lease liabilities	33,786	37,569
Other liabilities	6,792	11,612
Total long-term liabilities	222,038	263,699
Commitments and contingencies
Equity:
Common stock, par value $0.01 per share	1,297	1,289
Additional paid-in capital	473,872	472,134
Treasury stock, at cost	(19,939)	(19,484)
Accumulated other comprehensive income (loss)	(43,368)	(49,914)
Retained earnings	(311,704)	(413,665)
Total TETRA stockholders' equity	100,158	(9,640)
Noncontrolling interests	(1,101)	80,702
Total equity	99,057	71,062
Total liabilities and equity	$ 416,809	$ 1,132,839

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Trade accounts receivable, allowances for doubtful accounts	$ 6,640	$ 6,824
Patents, trademarks, and other intangible assets, accumulated amortization	$ 68,520	$ 66,078
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	129,729,406	128,930,047
Treasury stock, shares held	3,133,674	2,953,976

XML

Consolidated Statement of Equity Statement - USD ($) $ in Thousands	Total	Common Stock Par Value	Additional Paid-In Capital	Treasury Stock	Accumulated Other  Comprehensive Income (Loss)	Retained Deficit	Noncontrolling Interest
Balance at beginning of period at Dec. 31, 2019	$ 162,826	$ 1,283	$ 466,959	$ (19,164)	$ (52,183)	$ (362,522)	$ 128,453
Net Income (Loss) Attributable to Parent						(1,551)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(10,376)						(8,825)
Translation adjustment, net of taxes	(6,467)				(6,238)		(229)
Comprehensive income (loss)	(16,843)
Dividend	(309)						309
Equity award activity	4	4
Treasury stock activity, net	(89)			(89)
Equity compensation expense	1,373		1,145				228
Other	(31)		(16)				(15)
Balance at end of period at Mar. 31, 2020	146,931	1,287	468,088	(19,253)	(58,421)	(364,073)	119,303
Balance at beginning of period at Dec. 31, 2019	162,826	1,283	466,959	(19,164)	(52,183)	(362,522)	128,453
Net Income (Loss) Attributable to Parent	(22,806)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(47,343)
Comprehensive income (loss)	(52,715)
Balance at end of period at Jun. 30, 2020	112,686	1,288	469,777	(19,434)	(57,441)	(385,328)	103,824
Balance at beginning of period at Mar. 31, 2020	146,931	1,287	468,088	(19,253)	(58,421)	(364,073)	119,303
Net Income (Loss) Attributable to Parent	(21,255)					(21,255)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(36,967)						(15,712)
Translation adjustment, net of taxes	1,095				980		115
Comprehensive income (loss)	(35,872)
Dividend	(311)						311
Equity award activity	1	1
Treasury stock activity, net	(181)			(181)
Equity compensation expense	2,134		1,685				449
Other	(16)		4				(20)
Balance at end of period at Jun. 30, 2020	112,686	1,288	469,777	(19,434)	(57,441)	(385,328)	103,824
Balance at beginning of period at Dec. 31, 2020	71,062	1,289	472,134	(19,484)	(49,914)	(413,665)	80,702
Net Income (Loss) Attributable to Parent						108,714
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	109,047						333
Translation adjustment, net of taxes	(2,779)						0
Comprehensive income (loss)	106,268
Deconsolidation of CSI Compressco	(75,607)				7,168		(82,775)
Equity award activity	6	6	0
Treasury stock activity, net	(449)			(449)
Equity compensation expense	1,542		962				580
Other	(355)		(574)				219
Balance at end of period at Mar. 31, 2021	102,467	1,295	472,522	(19,933)	(45,525)	(304,951)	(941)
Balance at beginning of period at Dec. 31, 2020	71,062	1,289	472,134	(19,484)	(49,914)	(413,665)	80,702
Net Income (Loss) Attributable to Parent	101,961
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	102,267
Comprehensive income (loss)	101,645
Balance at end of period at Jun. 30, 2021	99,057	1,297	473,872	(19,939)	(43,368)	(311,704)	(1,101)
Balance at beginning of period at Mar. 31, 2021	102,467	1,295	472,522	(19,933)	(45,525)	(304,951)	(941)
Net Income (Loss) Attributable to Parent	(6,753)					(6,753)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(6,780)						(27)
Translation adjustment, net of taxes	2,157				2,157		0
Comprehensive income (loss)	(4,623)
Dividend	(119)						(119)
Equity award activity	2	2	0
Treasury stock activity, net	(6)			(6)
Equity compensation expense	1,592		1,592				0
Other	(256)		(242)				(14)
Balance at end of period at Jun. 30, 2021	$ 99,057	$ 1,297	$ 473,872	$ (19,939)	$ (43,368)	$ (311,704)	$ (1,101)

XML

Consolidated Statement of Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Translation adjustment, tax	$ 0	$ 0	$ 0	$ 0
Equity award activity	$ 2	$ 6	$ 1	$ 4

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities:
Net income (loss)	$ 102,267	$ (47,343)
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation, amortization, and accretion	17,215	59,302
Gain on GP Sale	(120,574)	0
Impairment and other charges	449	14,348
Gain on retained CSI Compressco units and Standard Lithium shares	(5,613)	(183)
Equity-based compensation expense	2,554	2,896
Amortization and expense of financing costs and deferred financing gains	1,429	2,755
Debt-related expenses	0	4,754
Warrants fair value adjustment	3,021	(326)
Gain on sale of assets	(275)	(2,019)
Other non-cash charges	(70)	5,380
Changes in operating assets and liabilities:
Accounts receivable	(15,694)	55,552
Inventories	5,456	10,733
Prepaid expenses and other current assets	(2,442)	(3,038)
Trade accounts payable and accrued expenses	21,295	(42,853)
Other	(1,411)	429
Net cash provided by (used in) operating activities	7,607	60,387
Investing activities:
Purchases of property, plant, and equipment, net	12,489	19,608
Proceeds from sale of CCLP, net of cash divested	18	0
Proceeds on sale of property, plant, and equipment	754	5,311
Proceeds from Insurance Settlement, Investing Activities	110	591
Other investing activities	1,156	(357)
Net cash provided by (used in) investing activities	(10,451)	(14,063)
Financing activities:
Proceeds from long-term debt	0	338,343
Principal payments on long-term debt	(29,320)	(341,364)
CSI Compressco distributions	0	(620)
Tax remittances on equity based compensation	0	(341)
Debt issuance costs and other financing activities	(455)	(2,504)
Net cash provided by (used in) financing activities	(29,775)	(6,486)
Effect of exchange rate changes on cash	(896)	(826)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(33,515)	39,012
Cash and cash equivalents and restricted cash at beginning of period	83,894	17,768
Cash and cash equivalents at beginning of period associated with discontinued operations	16,577	2,370
Cash and cash equivalents and restricted cash at beginning of period associated with continuing operations	67,317	15,398
Cash and cash equivalents and restricted cash at end of period	50,379	56,780
Cash and cash equivalents at end of period associated with discontinued operations	0	6,757
Cash and cash equivalents and restricted cash at end of period associated with continuing operations	$ 50,379	$ 50,023

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Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
(Income) loss from discontinued operations attributable to noncontrolling interest	$ 0	$ (15,781)	$ 333	$ (24,615)

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Organization, Basis of Presentation, and Significant Accounting Policies

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Organization, Basis of Presentation, and Significant Accounting Policies

ORGANIZATION, BASIS OF PRESENTATION, AND SIGNIFICANT ACCOUNTING POLICIES

Organization 

We are a geographically diversified oil and gas services company, focused on completion fluids and associated products and services, water management, frac flowback and production well testing. We were incorporated in Delaware in 1981. We are composed of two divisions – Completion Fluids & Products and Water & Flowback Services. Unless the context requires otherwise, when we refer to “we,” “us,” and “our,” we are describing TETRA Technologies, Inc. and its consolidated subsidiaries on a consolidated basis.

Presentation  

Our unaudited consolidated financial statements include the accounts of our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. The information furnished reflects all normal recurring adjustments, which are, in the opinion of management, necessary to provide a fair statement of the results for the interim periods. Operating results for the period ended June 30, 2021 are not necessarily indicative of results that may be expected for the twelve months ended December 31, 2021.

The accompanying unaudited consolidated financial statements have been prepared in accordance with Rule 10-01 of Regulation S-X for interim financial statements required to be filed with the U.S. Securities and Exchange Commission (“SEC”) and do not include all information and footnotes required by U.S. generally accepted accounting principles (“U.S. GAAP”) for complete financial statements. These financial statements should be read in conjunction with the financial statements for the year ended December 31, 2020 and notes thereto included in our Annual Report on Form 10-K, which we filed with the SEC on March 5, 2021.

Significant Accounting Policies

    Our significant accounting policies are described in the notes to our consolidated financial statements for the year ended December 31, 2020 included in our Annual Report on Form 10-K. There have been no significant changes in our accounting policies or the application thereof during the second quarter of 2021.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclose contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues, expenses, and impairments during the reporting period. Actual results could differ from those estimates, and such differences could be material.

Reclassifications

    Certain previously reported financial information has been reclassified to conform to the current year's presentation. For a discussion of the reclassification of the financial presentation of our former Compression Division as discontinued operations, see Note 2 - “Discontinued Operations”. Other than the discontinued operations presentation, the impact of reclassifications was not significant to the prior year's overall presentation. Unless otherwise noted, amounts and disclosures throughout these Notes to Consolidated Financial Statements relate solely to continuing operations and exclude all discontinued operations.

Impairments and Other Charges

Impairments of long-lived assets, including identified intangible assets, are determined periodically when indicators of impairment are present. If such indicators are present, the determination of the amount of impairment is based on our judgment as to the future undiscounted operating cash flows to be generated from the relevant assets throughout their remaining estimated useful lives. If these undiscounted cash flows are less than the carrying amount of the related assets, an impairment is recognized for the excess of the carrying value over fair value. Fair

value of intangible assets is generally determined using the discounted present value of future cash flows using discount rates commensurate with the risks inherent with the specific assets. Assets held for disposal are recorded at the lower of carrying value or estimated fair value less estimated selling costs. During 2021, we recorded an impairment charge of $0.4 million related to idle equipment in our Canada office within our Water & Flowback Services Division. There were no impairments associated with continuing operations during the six months ended June 30, 2020.

Foreign Currency Translation

    We have designated the Euro, the British pound, the Norwegian krone, the Canadian dollar, the Brazilian real, and the Mexican peso as the functional currencies for our operations in Finland and Sweden, the United Kingdom, Norway, Canada, Brazil, and certain of our operations in Mexico, respectively. The United States dollar is the designated functional currency for all of our other non-U.S. operations. The cumulative translation effects of translating the applicable accounts from the functional currencies into the United States dollar at current exchange rates are included as a separate component of equity. Foreign currency exchange (gains) and losses are included in other (income) expense, net and totaled $(0.2) million and $(1.0) million during the three and six months ended June 30, 2021, respectively, and $0.8 million and $0.9 million for the three and six months ended June 30, 2020, respectively.

Fair Value Measurements

We utilize fair value measurements to account for certain items and account balances within our consolidated financial statements. Fair value measurements are utilized on a recurring basis in the determination of the carrying values of certain assets, including our interest in Standard Lithium Ltd. (“Standard Lithium”) and our retained interest in CSI Compressco and liabilities, including the liabilities for the warrants to purchase 11.2 million shares of our common stock (the “Warrants”). See Note 8 - “Fair Value Measurements” for further discussion. Fair value measurements are also utilized on a nonrecurring basis in certain circumstances, including the impairment of long-lived assets (a Level 3 fair value measurement).

Supplemental Cash Flow Information

Supplemental cash flow information from continuing and discontinued operations is as follows:

	Six Months Ended June 30,
	2021		2020
	(in thousands)
Supplemental cash flow information(1):
Interest paid	$	7,577	$	35,127
Income taxes paid	853		2,195
Decrease in accrued capital expenditures	1,434		1,820

(1) Prior-year information includes the activity for CSI Compressco for the full period. Current-year information includes activity for CSI Compressco for January only.

New Accounting Pronouncements

Standards adopted in 2021

In December 2019, the FASB issued Accounting Standards Update (“ASU”) 2019-12, “Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes.” ASU 2019-12 simplifies the accounting for income taxes by eliminating certain exceptions related to intraperiod tax allocation, interim period income tax calculation methodology, and the recognition of deferred tax liabilities for outside basis differences. It also simplifies certain aspects of accounting for franchise taxes and clarifies the accounting for transactions that results in a step-up in the tax basis of goodwill. On January 1, 2021, we adopted ASU 2019-12. The adoption of this standard did not have a material impact on our consolidated financial statements.

Standards not yet adopted

    In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 amends the impairment model to utilize an expected loss methodology in place of the currently used incurred loss methodology, which will result in the more timely recognition of losses on financial instruments not accounted for at fair value through net income. The provisions require credit impairments to be measured over the contractual life of an asset and developed with consideration for past events, current conditions, and forecasts of future economic information. Credit impairment will be accounted for as an allowance for credit losses deducted from the amortized cost basis at each reporting date. We are continuing to work through our implementation plan which includes evaluating the impact on our allowance for doubtful accounts methodology, identifying new reporting requirements, and implementing changes to business processes, systems, and controls to support adoption of the standard. Upon adoption, the allowance for doubtful accounts is expected to increase with an offsetting adjustment to retained earnings. Updates at each reporting date after initial adoption will be recorded through selling, general, and administrative expense. ASU 2016-13 has an effective date of the first quarter of fiscal 2023. We continue to assess the potential effects of these changes to our consolidated financial statements.

    In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform (Topic 848)”, which provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships, and other transactions affected by the discontinuation of the London Interbank Offered Rate (“LIBOR”) or by another reference rate expected to be discontinued. The amendments are effective for all entities as of March 12, 2020 through December 31, 2022. Entities may elect to apply the amendments for contract modifications as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020, or prospectively from a date within an interim period that includes or is subsequent to March 12, 2020. As of June 30, 2021, we have not modified our credit agreements to remove references to LIBOR. We are currently evaluating the impacts of the provisions of ASU 2020-04 on our consolidated financial statements

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Discontinued Operations

6 Months Ended

Jun. 30, 2021

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations

DISCONTINUED OPERATIONS

    On January 29, 2021, we entered into the Purchase and Sale Agreement with Spartan Energy Partners, LP (“Spartan”) pursuant to which we sold the general partner of CSI Compressco, including the IDRs in CSI Compressco and approximately 23.1% of the outstanding limited partner interests in CSI Compressco, in exchange for the combination of $13.4 million in cash paid at closing, $0.5 million in cash payable on the six-month anniversary of the closing and $3.1 million in contingent consideration in the form of cash and/or CSI Compressco common units if CSI Compressco achieves certain financial targets on or before December 31, 2022. Throughout this Quarterly Report, we refer to the transaction with Spartan as the “GP Sale.” As a result of these transactions, we no longer consolidate CSI Compressco as of January 29, 2021. We recognized a primarily non-cash accounting gain of $120.6 million during the six-month period ended June 30, 2021 related to the GP Sale. The gain is included in income (loss) from discontinued operations, net of taxes in our consolidated statement of operations. We will also continue to provide back-office support to CSI Compressco under a Transition Services Agreement for up to one year until CSI Compressco has completed a full separation from our back-office support functions. Our interest in CSI Compressco and the general partner represented substantially all of our Compression Division.

In addition, on March 1, 2018, we closed a series of related transactions that resulted in the disposition of our Offshore Division, consisting of our Offshore Services and Maritech segments. Our former Compression and Offshore Divisions are reported as discontinued operations for all periods presented. Our consolidated balance sheets and consolidated statements of operations report discontinued operations separate from continuing operations. Our consolidated statements of comprehensive income, statements of equity and statements of cash flows combine continuing and discontinued operations. Our current-year consolidated statement of operations, statement of comprehensive income, statement of equity and statement of cash flows include CSI Compressco activity for January 1 through January 29. Our consolidated statements of cash flows for the six-month periods ended June 30, 2021 and June 30, 2020 included $3.0 million and $11.2 million, respectively, of capital expenditures related to our former Compression division, as well as $271.8 million of proceeds from long-term debt, $273.9 million of payments of long-term debt, $3.6 million from proceeds from sale of property, plant and equipment, and $1.4 million from amortization of deferred financing discounts, costs and gains for the six-month period ended June 30, 2020. Our current-year results do not include CSI Compressco depreciation or amortization as the assets were considered held for sale. A summary of financial information related to our discontinued operations is as follows:

Reconciliation of the Line Items Constituting Pretax Loss from Discontinued Operations to the After-Tax Loss from Discontinued Operations

(in thousands)

	Three Months Ended June 30, 2021
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
General and administrative expense	$	—	$	5	$	5
Other expense, net	121		—		121
Pretax loss from discontinued operations	(121)		(5)		(126)
Loss from discontinued operations attributable to TETRA stockholders					$	(126)

	Three Months Ended June 30, 2020
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
Revenue	$	96,371	$	—	$	96,371
Cost of revenues	62,768		(274)		62,494
Depreciation, amortization, and accretion	20,116		—		20,116
Impairments and other charges	8,977		—		8,977
General and administrative expense	10,152		111		10,263
Interest expense, net	12,982		—		12,982
Other expense, net	4,380		—		4,380
Pretax income (loss) from discontinued operations	(23,004)		163		(22,841)
Income tax provision					947
Total loss from discontinued operations					(23,788)
Loss from discontinued operations attributable to noncontrolling interest					15,781
Loss from discontinued operations attributable to TETRA stockholders					$	(8,007)

	Six Months Ended June 30, 2021
	Compression		Offshore Services		Total
Major classes of line items constituting income from discontinued operations
Revenue	$	18,968	$	—	$	18,968
Cost of revenues	11,474		28		11,502
General and administrative expense	2,795		—		2,795
Interest expense, net	4,336		—		4,336
Other expense, net	15		—		15
Pretax income (loss) from discontinued operations	348		(28)		320
Pretax gain on disposal of discontinued operations					120,574
Total pretax income from discontinued operations					120,894
Income tax provision					30
Total income from discontinued operations					120,864
Income from discontinued operations attributable to noncontrolling interest					(333)
Income from discontinued operations attributable to TETRA stockholders					$	120,531

	Six Months Ended June 30, 2020
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
Revenue	$	186,610	$	—	$	186,610
Cost of revenues	117,347		(334)		117,013
Depreciation, amortization, and accretion	40,025		—		40,025
Impairments and other charges	14,348		—		14,348
General and administrative expense	20,341		316		20,657
Interest expense, net	25,546		—		25,546
Other expense, net	4,798		—		4,798
Pretax (loss) income from discontinued operations	(35,795)		18		(35,777)
Income tax provision					1,379
Total income from discontinued operations					(37,156)
Loss from discontinued operations attributable to noncontrolling interest					24,615
Loss from discontinued operations attributable to TETRA stockholders					$	(12,541)

Reconciliation of Major Classes of Assets and Liabilities of the Discontinued Operations to Amounts Presented Separately in the Statement of Financial Position

(in thousands)

	June 30, 2021
	Offshore Services		Maritech		Total
Carrying amounts of major classes of liabilities included as part of discontinued operations
Trade payables	$	1,223	$	—	$	1,223
Accrued liabilities and other	150		228		378
Total liabilities associated with discontinued operations	$	1,373	$	228	$	1,601

	December 31, 2020
	Compression		Offshore Services		Maritech		Total
Carrying amounts of major classes of assets included as part of discontinued operations
Cash and cash equivalents	$	16,577	$	—	$	—	$	16,577
Trade receivables	43,837		—		—		43,837
Inventories	31,220		—		—		31,220
Other current assets	5,231		—		—		5,231
Property, plant, and equipment	551,401		—		—		551,401
Other assets	61,740		—		—		61,740
Total assets associated with discontinued operations	$	710,006	$	—	$	—	$	710,006
Carrying amounts of major classes of liabilities included as part of discontinued operations
Trade payables	$	19,766	$	1,222	$	—	$	20,988
Unearned Income	269		—		—		269
Accrued liabilities and other	36,318		352		228		36,898
Long-term debt, net	638,631		—		—		638,631
Other liabilities	37,253		—		—		37,253
Total liabilities associated with discontinued operations	$	732,237	$	1,574	$	228	$	734,039

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Revenue from Contracts with Customers

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Revenue from Contract with Customer [Text Block]

REVENUE FROM CONTRACTS WITH CUSTOMERS

Our contract asset balances, primarily associated with customer documentation requirements, were $19.3 million and $12.8 million as of June 30, 2021 and December 31, 2020, respectively. Contract assets, along with billed trade accounts receivable, are included in trade accounts receivable in our consolidated balance sheets.

    Unearned income includes amounts in which the Company was contractually allowed to invoice prior to satisfying the associated performance obligations. Unearned income balances were $3.0 million and $2.7 million as of June 30, 2021 and December 31, 2020, respectively, and vary based on the timing of invoicing and performance obligations being met. Revenues recognized during the six-month periods ended June 30, 2021 and June 30, 2020 deferred as of the end of the preceding year were not significant. During the six-month periods ended June 30, 2021 and June 30, 2020, contract costs were not significant.

    We disaggregate revenue from contracts with customers into Product Sales and Services within each segment, as noted in our two reportable segments in Note 10. In addition, we disaggregate revenue from contracts with customers by geography based on the following table below.

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
Completion Fluids & Products
United States	$	25,229	$	32,102	$	49,824	$	70,060
International	39,378		39,244		61,304		76,523
	64,607		71,346		111,128		146,583
Water & Flowback Services
United States	35,463		22,867		64,395		77,250
International	2,256		1,857		4,127		4,940
	37,719		24,724		68,522		82,190
Total Revenue
United States	60,692		54,969		114,219		147,310
International	41,634		41,101		65,431		81,463
	$	102,326	$	96,070	$	179,650	$	228,773

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Inventories

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

Components of inventories as of June 30, 2021 and December 31, 2020 are as follows: 

	June 30, 2021		December 31, 2020
	(In Thousands)
Finished goods	$	59,814	$	68,121
Raw materials	3,783		2,910
Parts and supplies	4,554		4,001
Work in progress	1,920		1,626
Total inventories	$	70,071	$	76,658

Finished goods inventories include newly manufactured clear brine fluids as well as used brines that are repurchased from certain customers for recycling

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Investments

6 Months Ended

Jun. 30, 2021

Investments in and Advances to Affiliates [Abstract]

Investments

INVESTMENTS

Following the closing of the GP Sale, we continue to own approximately 10.9% of the outstanding CSI Compressco common units. In addition, we are party to agreements in which Standard Lithium has the right to explore, produce and extract lithium in our Arkansas leases as well as additional potential resources in the Mojave region of California. The Company receives cash and stock of Standard Lithium (NYSE:SLI) under the terms of the arrangements. The cash and stock component of consideration received is initially recorded as unearned income based on the quoted market price at the time the stock is received, then recognized in income over the contract term. See Note 8 - “Fair Value Measurements” for further information.

Our investments as of June 30, 2021 and December 31, 2020, consist of the following:

	June 30, 2021		December 31, 2020
	(In Thousands)
Investment in CSI Compressco	$	9,638	$	—
Investment in Standard Lithium	6,583		2,675
Total Investments	$	16,221	$	2,675

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Long-Term Debt and Other Borrowings

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Debt Disclosure

LONG-TERM DEBT AND OTHER BORROWINGS

Consolidated long-term debt as of June 30, 2021 and December 31, 2020, consists of the following:

	Scheduled Maturity	June 30, 2021		December 31, 2020
		(In Thousands)
Asset-based credit agreement	September 10, 2023	$	—	$	—
Term credit agreement (1)	September 10, 2025	171,760		199,894
Total debt		171,760		199,894
Less current portion		(8,157)		—
Total long-term debt		$	163,603	$	199,894

(1) Net of unamortized discount of $5.0 million and $5.5 million as of June 30, 2021 and December 31, 2020, respectively, and net of unamortized deferred financing costs of $7.5 million and $8.2 million as of June 30, 2021 and December 31, 2020, respectively.

    As of June 30, 2021, we had no outstanding balance and $6.2 million in letters of credit against our asset-based credit agreement (“ABL Credit Agreement”). Because there was no outstanding balance on this ABL Credit Agreement, associated deferred financing costs of $0.9 million as of June 30, 2021, were classified as other long-term assets on the accompanying consolidated balance sheet. As of June 30, 2021, subject to compliance with the covenants, borrowing base, and other provisions of the ABL Credit Agreement that may limit borrowings, we had an availability of $31.7 million under this agreement. See Note 11 - “Subsequent Events” for additional information.

Our credit agreements contain certain affirmative and negative covenants, including covenants that restrict the ability to pay dividends or other restricted payments. As of June 30, 2021, we are in compliance with all covenants under the credit agreements. Our term credit agreement requires us to offer to prepay a percentage of Excess Cash Flow (as defined in the term credit agreement) following the conclusion of each calendar year. Within five business days of filing our Annual Report for the year ending December 31, 2021, the minimum amount we will be required to offer to prepay pursuant to this obligation is $8.2 million, which is reported as a current liability in our consolidated balance sheet

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

Litigation

We are named defendants in several lawsuits and respondents in certain governmental proceedings arising in the ordinary course of business. While the outcome of lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or other proceedings in excess of any amounts accrued has been incurred that is expected to have a material adverse impact on our financial condition, results of operations, or liquidity.

There have been no material developments in our legal proceedings during the quarter ended June 30, 2021. For a discussion of our legal proceedings, please see our Annual Report on Form 10-K for the year ended December 31, 2020.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value Measurements

FAIR VALUE MEASUREMENTS

Financial Instruments

Investments

Our retained investment in CSI Compressco and our investment in Standard Lithium are recorded based on the quoted market stock price in active markets (a Level 1 fair value measurement). The stock component of consideration received for our arrangement with Standard Lithium is initially recorded as unearned income based on the quoted market price at the time the stock is received, then recognized in income over the contract term. The unearned income associated with the stock component of this agreement is not significant as of June 30, 2021 or December 31, 2020. Changes in the value of stock are recorded in other income (expense) in our consolidated statements of operations

Warrants

The Warrants are valued using a Black Scholes option valuation model that includes estimates of the volatility of the Warrants (a Level 3 fair value measurement). The Warrants are accounted for as a derivative liability and increases (or decreases) in the fair value of the Warrants are generally associated with increases (or decreases) in the trading price of our common stock and by increases in the volatility of our common stock price, resulting in adjustments to earnings for the associated valuation losses (gains), and resulting in future volatility of our earnings during the period the Warrants are outstanding. The fair value of the Warrants and associated liability increased during the second quarter of 2021 primarily due to the increase in TETRA’s stock price. The estimated volatility as of June 30, 2021 was 60%. The outstanding Warrants expire by December 31, 2021.

Recurring and nonrecurring fair value measurements by valuation hierarchy as of June 30, 2021 and December 31, 2020, are as follows:

			Fair Value Measurements Using
	Total as of		Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	June 30, 2021		(Level 1)		(Level 2)		(Level 3)
	(In Thousands)
Investment in CSI Compressco	$	9,638	$	9,638	$	—	$	—
Investment in Standard Lithium	6,583		6,583		—		—
Warrants liability	(3,219)		—		—		(3,219)
Net asset	$	13,002

			Fair Value Measurements Using
	Total as of		Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs	Significant Unobservable Inputs
Description	December 31, 2020		(Level 1)		(Level 2)	(Level 3)
	(In Thousands)
Investment in Standard Lithium	$	2,675	$	2,675	—	$	—
Warrants liability	(198)		—		—	(198)
Net asset	$	2,477

The fair values of cash, restricted cash, accounts receivable, accounts payable, accrued liabilities, short-term borrowings and long-term debt pursuant to TETRA’s ABL Credit Agreement and term credit agreement approximate their carrying amounts. See Note 6 - “Long-Term Debt and Other Borrowings” for further discussion.

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Net Income (Loss) per Share	6 Months Ended
	Jun. 30, 2021
Earnings Per Share [Abstract]
Net Income (Loss) per Share	NET INCOME (LOSS) PER SHAREThe average diluted shares outstanding excludes the impact of certain outstanding equity awards and warrants of 2,013,000 and 1,740,000 shares for the three and six-month periods ended June 30, 2021, respectively, and 16,000 and 11,000 shares for the three and six-month periods ended June 30, 2020, respectively, as the inclusion of these shares would have been anti-dilutive due to the net loss from continuing operations recorded during these periods.

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Industry Segments

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Industry Segments

INDUSTRY SEGMENTS

We manage our operations through two Divisions: Completion Fluids & Products and Water & Flowback Services.

 Summarized financial information concerning the business segments is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
Revenues from external customers
Product sales
Completion Fluids & Products Division	$	62,565	$	67,243	$	107,583	$	137,433
Water & Flowback Services Division	18		8		32		33
Consolidated	$	62,583	$	67,251	$	107,615	$	137,466
Services
Completion Fluids & Products Division	$	2,042	$	4,103	$	3,545	$	9,150
Water & Flowback Services Division	37,701		24,716		68,490		82,157
Consolidated	$	39,743	$	28,819	$	72,035	$	91,307
Total revenues
Completion Fluids & Products Division	$	64,607	$	71,346	$	111,128	$	146,583
Water & Flowback Services Division	37,719		24,724		68,522		82,190
Consolidated	$	102,326	$	96,070	$	179,650	$	228,773
Income (loss) before taxes
Completion Fluids & Products Division	$	16,427	$	13,202	$	25,438	$	32,598
Water & Flowback Services Division	(4,978)		(8,418)		(10,458)		(10,662)
Interdivision eliminations	3		2		6		7
Corporate Overhead(1)	(16,722)		(16,911)		(32,031)		(30,354)
Consolidated	$	(5,270)	$	(12,125)	$	(17,045)	$	(8,411)

(1) Amounts reflected include the following general corporate expenses:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
General and administrative expense	$	9,543	$	11,611	$	22,564	$	19,692
Depreciation and amortization	248		175		418		372
Interest expense	4,044		4,749		9,107		10,204
Warrants fair value adjustment (income) expense	2,698		11		3,021		(327)
Other general corporate income, net	189		365		(3,079)		413
Total	$	16,722	$	16,911	$	32,031	$	30,354

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Subsequent Events

6 Months Ended

Jun. 30, 2021

Subsequent Events [Abstract]

Subsequent Events

SUBSEQUENT EVENTS

On July 30, 2021, we entered into an amendment of the ABL Credit Agreement that, among other things, extended the term of the credit facility to May 31, 2025 and revised our commitment to $80.0 million, with a $20.0 million accordion. The amendment increased the availability by adding the value of accrued Unites States receivables, increased the forward rates on accounts receivable for investment grade customers and incorporated a new $15.0 million sub-facility subject to a borrowing base consisting of certain trade receivables and inventory in the United Kingdom. The amendment resulted in an increase of approximately $9.4 million to the borrowing base as of July 30, 2021, compared to the borrowing base prior to the amendment. In connection with the amendment, we also elected to repay the $8.2 million under our term credit agreement that would have become due in 2022.

In May 2021, we signed a memorandum of understanding (“MOU”) with CarbonFree Chemicals Holdings, LLC (“CarbonFree”), a carbon capture company with patented technologies that capture CO2 and mineralize emissions to make commercial, carbon-negative chemicals. During the one-year MOU period, both Companies will work towards a definitive agreement that might include investments by TETRA into CarbonFree, a joint venture, or other commercial arrangements. On July 23, 2021, we entered into a commitment to invest $5.0 million in a convertible note to be issued by CarbonFree. Our investment in Carbon Free is contingent on certain conditions and is expected to be completed during the third quarter of 2021.

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Organization, Basis of Presentation, and Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Nature of operations

Organization 

We are a geographically diversified oil and gas services company, focused on completion fluids and associated products and services, water management, frac flowback and production well testing. We were incorporated in Delaware in 1981. We are composed of two divisions – Completion Fluids & Products and Water & Flowback Services. Unless the context requires otherwise, when we refer to “we,” “us,” and “our,” we are describing TETRA Technologies, Inc. and its consolidated subsidiaries on a consolidated basis.

Principles of consolidation policy

Presentation  

Our unaudited consolidated financial statements include the accounts of our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. The information furnished reflects all normal recurring adjustments, which are, in the opinion of management, necessary to provide a fair statement of the results for the interim periods. Operating results for the period ended June 30, 2021 are not necessarily indicative of results that may be expected for the twelve months ended December 31, 2021.

The accompanying unaudited consolidated financial statements have been prepared in accordance with Rule 10-01 of Regulation S-X for interim financial statements required to be filed with the U.S. Securities and Exchange Commission (“SEC”) and do not include all information and footnotes required by U.S. generally accepted accounting principles (“U.S. GAAP”) for complete financial statements. These financial statements should be read in conjunction with the financial statements for the year ended December 31, 2020 and notes thereto included in our Annual Report on Form 10-K, which we filed with the SEC on March 5, 2021.

Use of estimates policy

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclose contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues, expenses, and impairments during the reporting period. Actual results could differ from those estimates, and such differences could be material.

Reclassifications

Reclassifications

    Certain previously reported financial information has been reclassified to conform to the current year's presentation. For a discussion of the reclassification of the financial presentation of our former Compression Division as discontinued operations, see Note 2 - “Discontinued Operations”. Other than the discontinued operations presentation, the impact of reclassifications was not significant to the prior year's overall presentation. Unless otherwise noted, amounts and disclosures throughout these Notes to Consolidated Financial Statements relate solely to continuing operations and exclude all discontinued operations.

Impairments and other charges

Impairments and Other Charges

Impairments of long-lived assets, including identified intangible assets, are determined periodically when indicators of impairment are present. If such indicators are present, the determination of the amount of impairment is based on our judgment as to the future undiscounted operating cash flows to be generated from the relevant assets throughout their remaining estimated useful lives. If these undiscounted cash flows are less than the carrying amount of the related assets, an impairment is recognized for the excess of the carrying value over fair value. Fair

value of intangible assets is generally determined using the discounted present value of future cash flows using discount rates commensurate with the risks inherent with the specific assets. Assets held for disposal are recorded at the lower of carrying value or estimated fair value less estimated selling costs. During 2021, we recorded an impairment charge of $0.4 million related to idle equipment in our Canada office within our Water & Flowback Services Division. There were no impairments associated with continuing operations during the six months ended June 30, 2020.

Foreign currency translation policy

Foreign Currency Translation

    We have designated the Euro, the British pound, the Norwegian krone, the Canadian dollar, the Brazilian real, and the Mexican peso as the functional currencies for our operations in Finland and Sweden, the United Kingdom, Norway, Canada, Brazil, and certain of our operations in Mexico, respectively. The United States dollar is the designated functional currency for all of our other non-U.S. operations. The cumulative translation effects of translating the applicable accounts from the functional currencies into the United States dollar at current exchange rates are included as a separate component of equity. Foreign currency exchange (gains) and losses are included in other (income) expense, net and totaled $(0.2) million and $(1.0) million during the three and six months ended June 30, 2021, respectively, and $0.8 million and $0.9 million for the three and six months ended June 30, 2020, respectively.

Fair value measurements

Fair Value Measurements

We utilize fair value measurements to account for certain items and account balances within our consolidated financial statements. Fair value measurements are utilized on a recurring basis in the determination of the carrying values of certain assets, including our interest in Standard Lithium Ltd. (“Standard Lithium”) and our retained interest in CSI Compressco and liabilities, including the liabilities for the warrants to purchase 11.2 million shares of our common stock (the “Warrants”). See Note 8 - “Fair Value Measurements” for further discussion. Fair value measurements are also utilized on a nonrecurring basis in certain circumstances, including the impairment of long-lived assets (a Level 3 fair value measurement).

New accounting pronouncements

New Accounting Pronouncements

Standards adopted in 2021

In December 2019, the FASB issued Accounting Standards Update (“ASU”) 2019-12, “Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes.” ASU 2019-12 simplifies the accounting for income taxes by eliminating certain exceptions related to intraperiod tax allocation, interim period income tax calculation methodology, and the recognition of deferred tax liabilities for outside basis differences. It also simplifies certain aspects of accounting for franchise taxes and clarifies the accounting for transactions that results in a step-up in the tax basis of goodwill. On January 1, 2021, we adopted ASU 2019-12. The adoption of this standard did not have a material impact on our consolidated financial statements.

Standards not yet adopted

    In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 amends the impairment model to utilize an expected loss methodology in place of the currently used incurred loss methodology, which will result in the more timely recognition of losses on financial instruments not accounted for at fair value through net income. The provisions require credit impairments to be measured over the contractual life of an asset and developed with consideration for past events, current conditions, and forecasts of future economic information. Credit impairment will be accounted for as an allowance for credit losses deducted from the amortized cost basis at each reporting date. We are continuing to work through our implementation plan which includes evaluating the impact on our allowance for doubtful accounts methodology, identifying new reporting requirements, and implementing changes to business processes, systems, and controls to support adoption of the standard. Upon adoption, the allowance for doubtful accounts is expected to increase with an offsetting adjustment to retained earnings. Updates at each reporting date after initial adoption will be recorded through selling, general, and administrative expense. ASU 2016-13 has an effective date of the first quarter of fiscal 2023. We continue to assess the potential effects of these changes to our consolidated financial statements.

    In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform (Topic 848)”, which provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships, and other transactions affected by the discontinuation of the London Interbank Offered Rate (“LIBOR”) or by another reference rate expected to be discontinued. The amendments are effective for all entities as of March 12, 2020 through December 31, 2022. Entities may elect to apply the amendments for contract modifications as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020, or prospectively from a date within an interim period that includes or is subsequent to March 12, 2020. As of June 30, 2021, we have not modified our credit agreements to remove references to LIBOR. We are currently evaluating the impacts of the provisions of ASU 2020-04 on our consolidated financial statements

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Organization, Basis of Presentation, and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

Supplemental cash flow information from continuing and discontinued operations is as follows:

	Six Months Ended June 30,
	2021		2020
	(in thousands)
Supplemental cash flow information(1):
Interest paid	$	7,577	$	35,127
Income taxes paid	853		2,195
Decrease in accrued capital expenditures	1,434		1,820

(1) Prior-year information includes the activity for CSI Compressco for the full period. Current-year information includes activity for CSI Compressco for January only.

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Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2021

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations

A summary of financial information related to our discontinued operations is as follows:

Reconciliation of the Line Items Constituting Pretax Loss from Discontinued Operations to the After-Tax Loss from Discontinued Operations

(in thousands)

	Three Months Ended June 30, 2021
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
General and administrative expense	$	—	$	5	$	5
Other expense, net	121		—		121
Pretax loss from discontinued operations	(121)		(5)		(126)
Loss from discontinued operations attributable to TETRA stockholders					$	(126)

	Three Months Ended June 30, 2020
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
Revenue	$	96,371	$	—	$	96,371
Cost of revenues	62,768		(274)		62,494
Depreciation, amortization, and accretion	20,116		—		20,116
Impairments and other charges	8,977		—		8,977
General and administrative expense	10,152		111		10,263
Interest expense, net	12,982		—		12,982
Other expense, net	4,380		—		4,380
Pretax income (loss) from discontinued operations	(23,004)		163		(22,841)
Income tax provision					947
Total loss from discontinued operations					(23,788)
Loss from discontinued operations attributable to noncontrolling interest					15,781
Loss from discontinued operations attributable to TETRA stockholders					$	(8,007)

	Six Months Ended June 30, 2021
	Compression		Offshore Services		Total
Major classes of line items constituting income from discontinued operations
Revenue	$	18,968	$	—	$	18,968
Cost of revenues	11,474		28		11,502
General and administrative expense	2,795		—		2,795
Interest expense, net	4,336		—		4,336
Other expense, net	15		—		15
Pretax income (loss) from discontinued operations	348		(28)		320
Pretax gain on disposal of discontinued operations					120,574
Total pretax income from discontinued operations					120,894
Income tax provision					30
Total income from discontinued operations					120,864
Income from discontinued operations attributable to noncontrolling interest					(333)
Income from discontinued operations attributable to TETRA stockholders					$	120,531

	Six Months Ended June 30, 2020
	Compression		Offshore Services		Total
Major classes of line items constituting loss from discontinued operations
Revenue	$	186,610	$	—	$	186,610
Cost of revenues	117,347		(334)		117,013
Depreciation, amortization, and accretion	40,025		—		40,025
Impairments and other charges	14,348		—		14,348
General and administrative expense	20,341		316		20,657
Interest expense, net	25,546		—		25,546
Other expense, net	4,798		—		4,798
Pretax (loss) income from discontinued operations	(35,795)		18		(35,777)
Income tax provision					1,379
Total income from discontinued operations					(37,156)
Loss from discontinued operations attributable to noncontrolling interest					24,615
Loss from discontinued operations attributable to TETRA stockholders					$	(12,541)

Reconciliation of Major Classes of Assets and Liabilities of the Discontinued Operations to Amounts Presented Separately in the Statement of Financial Position

(in thousands)

	June 30, 2021
	Offshore Services		Maritech		Total
Carrying amounts of major classes of liabilities included as part of discontinued operations
Trade payables	$	1,223	$	—	$	1,223
Accrued liabilities and other	150		228		378
Total liabilities associated with discontinued operations	$	1,373	$	228	$	1,601

	December 31, 2020
	Compression		Offshore Services		Maritech		Total
Carrying amounts of major classes of assets included as part of discontinued operations
Cash and cash equivalents	$	16,577	$	—	$	—	$	16,577
Trade receivables	43,837		—		—		43,837
Inventories	31,220		—		—		31,220
Other current assets	5,231		—		—		5,231
Property, plant, and equipment	551,401		—		—		551,401
Other assets	61,740		—		—		61,740
Total assets associated with discontinued operations	$	710,006	$	—	$	—	$	710,006
Carrying amounts of major classes of liabilities included as part of discontinued operations
Trade payables	$	19,766	$	1,222	$	—	$	20,988
Unearned Income	269		—		—		269
Accrued liabilities and other	36,318		352		228		36,898
Long-term debt, net	638,631		—		—		638,631
Other liabilities	37,253		—		—		37,253
Total liabilities associated with discontinued operations	$	732,237	$	1,574	$	228	$	734,039

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Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

In addition, we disaggregate revenue from contracts with customers by geography based on the following table below.

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
Completion Fluids & Products
United States	$	25,229	$	32,102	$	49,824	$	70,060
International	39,378		39,244		61,304		76,523
	64,607		71,346		111,128		146,583
Water & Flowback Services
United States	35,463		22,867		64,395		77,250
International	2,256		1,857		4,127		4,940
	37,719		24,724		68,522		82,190
Total Revenue
United States	60,692		54,969		114,219		147,310
International	41,634		41,101		65,431		81,463
	$	102,326	$	96,070	$	179,650	$	228,773

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Inventories (Tables)

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Components of inventories as of June 30, 2021 and December 31, 2020 are as follows: 

	June 30, 2021		December 31, 2020
	(In Thousands)
Finished goods	$	59,814	$	68,121
Raw materials	3,783		2,910
Parts and supplies	4,554		4,001
Work in progress	1,920		1,626
Total inventories	$	70,071	$	76,658

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Investments (Tables)

6 Months Ended

Jun. 30, 2021

Investments in and Advances to Affiliates [Abstract]

Summary of Investments

Our investments as of June 30, 2021 and December 31, 2020, consist of the following:

	June 30, 2021		December 31, 2020
	(In Thousands)
Investment in CSI Compressco	$	9,638	$	—
Investment in Standard Lithium	6,583		2,675
Total Investments	$	16,221	$	2,675

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Long-Term Debt and Other Borrowings (Table)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Long-Term Debt Table

Consolidated long-term debt as of June 30, 2021 and December 31, 2020, consists of the following:

	Scheduled Maturity	June 30, 2021		December 31, 2020
		(In Thousands)
Asset-based credit agreement	September 10, 2023	$	—	$	—
Term credit agreement (1)	September 10, 2025	171,760		199,894
Total debt		171,760		199,894
Less current portion		(8,157)		—
Total long-term debt		$	163,603	$	199,894

(1) Net of unamortized discount of $5.0 million and $5.5 million as of June 30, 2021 and December 31, 2020, respectively, and net of unamortized deferred financing costs of $7.5 million and $8.2 million as of June 30, 2021 and December 31, 2020, respectively.

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

Recurring and nonrecurring fair value measurements by valuation hierarchy as of June 30, 2021 and December 31, 2020, are as follows:

			Fair Value Measurements Using
	Total as of		Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	June 30, 2021		(Level 1)		(Level 2)		(Level 3)
	(In Thousands)
Investment in CSI Compressco	$	9,638	$	9,638	$	—	$	—
Investment in Standard Lithium	6,583		6,583		—		—
Warrants liability	(3,219)		—		—		(3,219)
Net asset	$	13,002

			Fair Value Measurements Using
	Total as of		Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs	Significant Unobservable Inputs
Description	December 31, 2020		(Level 1)		(Level 2)	(Level 3)
	(In Thousands)
Investment in Standard Lithium	$	2,675	$	2,675	—	$	—
Warrants liability	(198)		—		—	(198)
Net asset	$	2,477

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Industry Segments (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Segment Reporting Table

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
Revenues from external customers
Product sales
Completion Fluids & Products Division	$	62,565	$	67,243	$	107,583	$	137,433
Water & Flowback Services Division	18		8		32		33
Consolidated	$	62,583	$	67,251	$	107,615	$	137,466
Services
Completion Fluids & Products Division	$	2,042	$	4,103	$	3,545	$	9,150
Water & Flowback Services Division	37,701		24,716		68,490		82,157
Consolidated	$	39,743	$	28,819	$	72,035	$	91,307
Total revenues
Completion Fluids & Products Division	$	64,607	$	71,346	$	111,128	$	146,583
Water & Flowback Services Division	37,719		24,724		68,522		82,190
Consolidated	$	102,326	$	96,070	$	179,650	$	228,773
Income (loss) before taxes
Completion Fluids & Products Division	$	16,427	$	13,202	$	25,438	$	32,598
Water & Flowback Services Division	(4,978)		(8,418)		(10,458)		(10,662)
Interdivision eliminations	3		2		6		7
Corporate Overhead(1)	(16,722)		(16,911)		(32,031)		(30,354)
Consolidated	$	(5,270)	$	(12,125)	$	(17,045)	$	(8,411)

(1) Amounts reflected include the following general corporate expenses:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In Thousands)
General and administrative expense	$	9,543	$	11,611	$	22,564	$	19,692
Depreciation and amortization	248		175		418		372
Interest expense	4,044		4,749		9,107		10,204
Warrants fair value adjustment (income) expense	2,698		11		3,021		(327)
Other general corporate income, net	189		365		(3,079)		413
Total	$	16,722	$	16,911	$	32,031	$	30,354

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Organization, Basis of Presentation, and Significant Accounting Policies - Additional Information (Details) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) shares	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) shares	Jun. 30, 2020 USD ($)
Accounting Policies [Abstract]
Number of Operating Segments			2
Foreign Currency Transaction Gain (Loss), Realized | $	$ (0.2)	$ 0.8	$ (1.0)	$ 0.9
Class of Warrant or Right, Outstanding | shares	11.2		11.2

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Organization, Basis of Presentation, and Significant Accounting Policies - Supplemental Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Accounting Policies [Abstract]
Interest paid	$ 7,577	$ 35,127
Income taxes paid	853	2,195
Decrease in accrued capital expenditures	$ 1,434	$ 1,820

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Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 29, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of CCLP, net of cash divested				$ 18	$ 0
Gain on disposition of business				120,574	0
Proceeds from long-term debt				0	338,343
Repayments of long-term debt				29,320	341,364
Proceeds on sale of property, plant, and equipment				754	5,311
Revenue			$ 96,371	18,968	186,610
Cost of revenues			62,494	11,502	117,013
Depreciation, amortization, and accretion			20,116		40,025
Impairments and other charges			8,977		14,348
General and administrative expense		$ 5	10,263	2,795	20,657
Interest expense, net			12,982	4,336	25,546
Other expense, net		121	4,380	15	4,798
Pretax loss from discontinued operations		(126)	(22,841)	320	(35,777)
Pretax gain (loss) on disposal of discontinued operations				120,574
Total pretax loss from discontinued operations				120,894
Income tax provision			947	30	1,379
Total loss from discontinued operations		(126)	(23,788)	120,864	(37,156)
Loss from discontinued operations attributable to noncontrolling interest		0	15,781	(333)	24,615
Loss from discontinued operations attributable to TETRA stockholders		(126)	(8,007)	120,531	(12,541)
Cash and cash equivalents		0	6,757	0	6,757	$ 16,577	$ 2,370
Trade receivables						43,837
Inventories						31,220
Other current assets						5,231
Property, plant, and equipment						551,401
Other assets						61,740
Total assets associated with discontinued operations						710,006
Assets of discontinued operations		0		0		710,006
Trade payables		1,223		1,223		20,988
Unearned Income						269
Accrued liabilities and other		378		378		36,898
Long-term debt, net						638,631
Other liabilities						37,253
Total liabilities associated with discontinued operations		1,601		1,601		734,039
CSI Compressco | Discontinued Operations, Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of businesses	$ 13,400
Proceeds from sale of CCLP, net of cash divested	500
Consideration transferred	3,100
Gain on disposition of business	$ 120,600
CSI Compressco | Discontinued Operations, Held-for-sale or Disposed of by Sale | Limited Partner [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
General partner, ownership interest	23.10%
Compression Division [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			96,371	18,968	186,610
Cost of revenues			62,768	11,474	117,347
Depreciation, amortization, and accretion			20,116		40,025
Impairments and other charges			8,977		14,348
General and administrative expense		0	10,152	2,795	20,341
Interest expense, net			12,982	4,336	25,546
Other expense, net		121	4,380	15	4,798
Pretax loss from discontinued operations		(121)	(23,004)	348	(35,795)
Cash and cash equivalents						16,577
Trade receivables						43,837
Inventories						31,220
Other current assets						5,231
Property, plant, and equipment						551,401
Other assets						61,740
Total assets associated with discontinued operations						710,006
Trade payables						19,766
Unearned Income						269
Accrued liabilities and other						36,318
Long-term debt, net						638,631
Other liabilities						37,253
Total liabilities associated with discontinued operations						732,237
Compression Division [Member] | Discontinued Operations, Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Capital expenditure, discontinued operations				3,000	11,200
Proceeds from long-term debt					271,800
Repayments of long-term debt					273,900
Proceeds on sale of property, plant, and equipment					3,600
Amortization of financing discounts, costs and gains					1,400
Offshore Services [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			0	0	0
Cost of revenues			(274)	28	(334)
Depreciation, amortization, and accretion			0		0
Impairments and other charges			0		0
General and administrative expense		5	111	0	316
Interest expense, net			0	0	0
Other expense, net		0	0	0	0
Pretax loss from discontinued operations		(5)	$ 163	(28)	$ 18
Cash and cash equivalents						0
Trade receivables						0
Inventories						0
Other current assets						0
Property, plant, and equipment						0
Other assets						0
Total assets associated with discontinued operations						0
Trade payables		1,223		1,223		1,222
Unearned Income						0
Accrued liabilities and other		150		150		352
Long-term debt, net						0
Other liabilities						0
Total liabilities associated with discontinued operations		1,373		1,373		1,574
Maritech [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents						0
Trade receivables						0
Inventories						0
Other current assets						0
Property, plant, and equipment						0
Other assets						0
Total assets associated with discontinued operations						0
Trade payables		0		0		0
Unearned Income						0
Accrued liabilities and other		228		228		228
Long-term debt, net						0
Other liabilities						0
Total liabilities associated with discontinued operations		$ 228		$ 228		$ 228

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Revenue from Contracts with Customers Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Contract with customer, asset balances	$ 19.3	$ 12.8
Deferred Revenue	$ 3.0	$ 2.7

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Revenue from Contracts with Customers Revenue Performance Obligation (Details)	Jun. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year

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Revenue from Contracts with Customers Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues from external customers	$ 102,326	$ 96,070	$ 179,650	$ 228,773
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues from external customers	60,692	54,969	114,219	147,310
International
Disaggregation of Revenue [Line Items]
Revenues from external customers	41,634	41,101	65,431	81,463
Completion Fluids & Products Division
Disaggregation of Revenue [Line Items]
Revenues from external customers	64,607	71,346	111,128	146,583
Completion Fluids & Products Division | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues from external customers	25,229	32,102	49,824	70,060
Completion Fluids & Products Division | International
Disaggregation of Revenue [Line Items]
Revenues from external customers	39,378	39,244	61,304	76,523
Water & Flowback Services Division
Disaggregation of Revenue [Line Items]
Revenues from external customers	37,719	24,724	68,522	82,190
Water & Flowback Services Division | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues from external customers	35,463	22,867	64,395	77,250
Water & Flowback Services Division | International
Disaggregation of Revenue [Line Items]
Revenues from external customers	$ 2,256	$ 1,857	$ 4,127	$ 4,940

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Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Inventory, Finished Goods, Gross	$ 59,814	$ 68,121
Inventory, Raw Materials, Gross	3,783	2,910
Other Inventory, Supplies, Gross	4,554	4,001
Inventory, Work in Process, Gross	1,920	1,626
Inventories	$ 70,071	$ 76,658

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Investments in and Advances to Affiliates (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Investments in and Advances to Affiliates [Line Items]
Total Investments	$ 16,221	$ 2,675
CSI Compressco
Investments in and Advances to Affiliates [Line Items]
Ownership percentage	10.90%
Total Investments		$ 0

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Long-Term Debt and Other Borrowings Schedule of Long Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Current portion of long-term debt	$ 8,157	$ 0
Long-term Debt, Excluding Current Maturities	163,603	199,894
Parent Company [Member]
Debt Instrument [Line Items]
Long-term Debt	171,760	199,894
Current portion of long-term debt	(8,157)	0
Long-term Debt, Excluding Current Maturities	163,603	199,894
Unamortized deferred finance costs	900
Revolving Credit Facility | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt	0	0
Term Loan [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt	171,760	199,894
Debt Instrument, Unamortized Discount (Premium), Net	5,000	5,500
Unamortized deferred finance costs	$ 7,500	$ 8,200

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Long-Term Debt and Other Borrowings (Details)	6 Months Ended
	Jun. 30, 2021 USD ($)
Parent Company [Member]
Debt Instrument [Line Items]
Unamortized deferred finance costs	$ 900,000
Line of Credit
Debt Instrument [Line Items]
Debt prepayment cost	8,200,000
Line of Credit | Parent Company [Member]
Debt Instrument [Line Items]
Value of amount outstanding	0
Bank line of credit, letters of credit and guarantees	6,200,000
Bank line of credit, net availability	$ 31,700,000

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Fair Value Measurements - Additional Information (Details)	Jun. 30, 2021
Warrants liability | (Level 3) | Measurement Input, Price Volatility
Derivative [Line Items]
Derivative Liability, Measurement Input	0.60

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Fair Value Measurements - Market Risks and Derivative Hedge Contracts (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Net asset	$ 13,002	$ 2,477
CSI Compressco
Derivatives, Fair Value [Line Items]
Net asset	9,638
CSI Compressco | (Level 1)
Derivatives, Fair Value [Line Items]
Net asset	9,638
CSI Compressco | (Level 2)
Derivatives, Fair Value [Line Items]
Net asset	0
CSI Compressco | (Level 3)
Derivatives, Fair Value [Line Items]
Net asset	0
Standard Lithium
Derivatives, Fair Value [Line Items]
Net asset	6,583	(2,675)
Standard Lithium | (Level 1)
Derivatives, Fair Value [Line Items]
Net asset	6,583	(2,675)
Standard Lithium | (Level 2)
Derivatives, Fair Value [Line Items]
Net asset	0	0
Standard Lithium | (Level 3)
Derivatives, Fair Value [Line Items]
Net asset	0	0
Warrants liability
Derivatives, Fair Value [Line Items]
Net asset	(3,219)	(198)
Warrants liability | (Level 1)
Derivatives, Fair Value [Line Items]
Net asset	0	0
Warrants liability | (Level 2)
Derivatives, Fair Value [Line Items]
Net asset	0	0
Warrants liability | (Level 3)
Derivatives, Fair Value [Line Items]
Net asset	$ (3,219)	$ (198)

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Net Income (Loss) per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,013,000	16,000	1,740,000	11,000

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Industry Segments Additional Details (Details)	6 Months Ended
	Jun. 30, 2021
Segment Reporting [Abstract]
Number of Reportable Segments	2

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Industry Segments - Revenue, Income from Operations, and Assets by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Industry Segments Details [Line Items]
Revenues from external customers	$ 102,326	$ 96,070	$ 179,650	$ 228,773
Loss before taxes and discontinued operations	(5,270)	(12,125)	(17,045)	(8,411)
Completion Fluids & Products Division
Industry Segments Details [Line Items]
Revenues from external customers	64,607	71,346	111,128	146,583
Loss before taxes and discontinued operations	16,427	13,202	25,438	32,598
Water & Flowback Services Division
Industry Segments Details [Line Items]
Revenues from external customers	37,719	24,724	68,522	82,190
Loss before taxes and discontinued operations	(4,978)	(8,418)	(10,458)	(10,662)
Interdivision eliminations
Industry Segments Details [Line Items]
Loss before taxes and discontinued operations	3	2	6	7
Corporate Overhead
Industry Segments Details [Line Items]
Loss before taxes and discontinued operations	(16,722)	(16,911)	(32,031)	(30,354)
Product sales
Industry Segments Details [Line Items]
Revenues from external customers	62,583	67,251	107,615	137,466
Product sales | Completion Fluids & Products Division
Industry Segments Details [Line Items]
Revenues from external customers	62,565	67,243	107,583	137,433
Product sales | Water & Flowback Services Division
Industry Segments Details [Line Items]
Revenues from external customers	18	8	32	33
Services
Industry Segments Details [Line Items]
Revenues from external customers	39,743	28,819	72,035	91,307
Services | Completion Fluids & Products Division
Industry Segments Details [Line Items]
Revenues from external customers	2,042	4,103	3,545	9,150
Services | Water & Flowback Services Division
Industry Segments Details [Line Items]
Revenues from external customers	$ 37,701	$ 24,716	$ 68,490	$ 82,157

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Industry Segments - Corporate Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
General and administrative expense	$ 17,351	$ 23,862	$ 37,363	$ 44,210
Depreciation, amortization, and accretion	8,236	9,726	17,187	19,277
Interest expense, net	3,886	4,604	8,290	9,896
Warrants fair value adjustment			3,021	(326)
Other general corporate income, net	(2,232)	(541)	(7,327)	(520)
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	6,654	13,179	18,597	10,187
Corporate Overhead
Segment Reporting Information [Line Items]
General and administrative expense	9,543	11,611	22,564	19,692
Depreciation, amortization, and accretion	248	175	418	372
Interest expense, net	4,044	4,749	9,107	10,204
Warrants fair value adjustment	2,698	11	3,021	(327)
Other general corporate income, net	189	365	(3,079)	413
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 16,722	$ 16,911	$ 32,031	$ 30,354

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Subsequent Events (Details) - Subsequent Event - USD ($)	Jul. 30, 2021	Jul. 23, 2021
CarbonFree Chemical Holdings
Subsequent Event [Line Items]
Contingent Investment Commitment, Convertible Notes		$ 5,000,000.0
ABL Credit Agreement | Revolving Credit Facility | Line of Credit
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 80,000,000.0
Accordion feature	20,000,000.0
Increase in borrowing base	9,400,000
Repayments of debt	8,200,000
Sub-Facility | Letter of Credit | Line of Credit
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 15,000,000.0