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SUPPLEMENTAL DISCLOSURES ABOUT NATURAL GAS PRODUCING ACTIVITIES (Tables)
 12 Months Ended
Dec. 31, 2022
Extractive Industries [Abstract]  
Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure
Capitalized costs related to Tellurian’s natural gas producing activities are summarized as follows (in thousands):
December 31,
202220212020
Proved properties$468,351 $113,950 $62,718 
Unproved properties— — — 
Gross capitalized costs468,351 113,950 62,718 
Accumulated DD&A(92,423)(48,637)(37,639)
Net capitalized costs$375,928 $65,313 $25,079 
Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure
Costs incurred in natural gas property acquisition (inclusive of producing well costs), exploration and development activities are summarized as follows (in thousands):
Year Ended December 31,
202220212020
Property acquisitions:
Proved$135,974 $3,409 $1,307 
Unproved— — — 
Exploration costs— — — 
Development costs210,546 28,955 — 
Costs incurred$346,520 $32,364 $1,307 
Oil and Gas Net Production, Average Sales Price and Average Production Costs Disclosure
The following table includes revenues and expenses directly associated with our natural gas and condensate producing activities. It does not include any interest costs or indirect general and administrative costs and, therefore, is not necessarily indicative of the contribution to consolidated net operating results of our natural gas operations. Tellurian’s results of operations from natural gas and condensate producing activities for the periods presented are as follows (in thousands):
Year Ended December 31,
202220212020
Natural gas sales$270,977 $51,499 $30,441 
Operating costs53,963 20,576 15,814 
Depreciation, depletion and amortization 43,966 10,998 16,703 
Impairment charge— — 81,065 
Total operating costs and expenses97,929 31,574 113,582 
Results of operations$173,048 $19,925 $(83,141)
Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities
Gas
(MMcf)		Condensate
(Mbbl)		Gas Equivalent
(MMcfe)
Proved reserves:
December 31, 2019268,538 — 268,538 
Extensions, discoveries and other additions— — — 
Revisions of previous estimates(152,132)— (152,132)
Production(16,898)— (16,898)
Sale of reserves-in-place— — — 
Purchases of reserves-in-place— — — 
December 31, 202099,508 — 99,508 
Extensions, discoveries and other additions202,897 — 202,897 
Revisions of previous estimates35,237 — 35,237 
Production(14,306)— (14,306)
Sale of reserves-in-place— — — 
Purchases of reserves-in-place— — — 
December 31, 2021323,336 — 323,336 
Extensions, discoveries and other additions113,047 — 113,047 
Revisions of previous estimates(52,185)— (52,185)
Production(47,322)— (47,322)
Sale of reserves-in-place— — — 
Purchases of reserves-in-place108,017 — 108,017 
December 31, 2022444,893 — 444,893 
Proved developed reserves:
December 31, 202026,593 — 26,593 
December 31, 202173,927 — 73,927 
December 31, 2022218,382 — 218,382 
Proved undeveloped reserves:
December 31, 202072,915 — 72,915 
December 31, 2021249,409 — 249,409 
December 31, 2022226,511 — 226,511 
Standardized Measure of Discounted Future Cash Flows Relating to Proved Reserves Disclosure
The following summary sets forth our future net cash flows relating to proved natural gas and condensate reserves based on the standardized measure (in thousands):
Year Ended December 31,
202220212020
Future cash inflows$2,441,930 $945,651 $132,563 
Future production costs(341,925)(133,909)(34,624)
Future development costs(360,107)(211,836)(71,557)
Future income tax provisions(257,908)(54,401)— 
Future net cash flows1,481,990 545,505 26,382 
Less effect of a 10% discount factor(445,686)(181,302)(19,497)
Standardized measure of discounted future net cash flows$1,036,304 $364,203 $6,885 
The following sets forth the changes in the standardized measure of discounted future net cash flows (in thousands):
December 31, 2019$53,171 
Sales and transfers of gas and condensate produced, net of production costs(20,211)
Net changes in prices and production costs(58,136)
Extensions, discoveries, additions and improved recovery, net of related costs— 
Development costs incurred— 
Revisions of estimated development costs— 
Revisions of previous quantity estimates26,133 
Accretion of discount5,725 
Net change in income taxes4,077 
Purchases of reserves in place— 
Sales of reserves in place— 
Changes in timing and other(3,874)
December 31, 2020$6,885 
Sales and transfers of gas and condensate produced, net of production costs(39,806)
Net changes in prices and production costs110,850 
Extensions, discoveries, additions and improved recovery, net of related costs255,246 
Development costs incurred— 
Revisions of estimated development costs10,643 
Revisions of previous quantity estimates35,012 
Accretion of discount688 
Net change in income taxes(27,455)
Purchases of reserves in place— 
Sales of reserves in place— 
Changes in timing and other12,140 
December 31, 2021$364,203 
Sales and transfers of gas and condensate produced, net of production costs(236,374)
Net changes in prices and production costs503,099 
Extensions, discoveries, additions and improved recovery, net of related costs255,970 
Development costs incurred154,931 
Revisions of estimated development costs(105,352)
Revisions of previous quantity estimates(143,398)
Accretion of discount36,420 
Net change in income taxes(127,154)
Purchases of reserves in place262,050 
Sales of reserves in place— 
Changes in timing and other71,909 
December 31, 2022$1,036,304