CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	1 Months Ended	8 Months Ended	9 Months Ended
	Feb. 07, 2017	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)		$ 653,898
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and accretion expenses		11,156,292
Impairment of oil and natural gas properties		0
Amortization of loan origination costs		41,667
Unit-based compensation		569,889
Changes in operating assets and liabilities:
Oil, natural gas and NGL receivables		(496,886)
Other current assets		(258,785)
Accounts payable		152,569
Other current liabilities		2,146,834
Net cash provided by operating activities		13,965,478
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment		(57,592)
Deposits on oil and natural gas properties		(3,949,000)
Purchase of oil and natural gas properties		(113,183,664)
Net cash used in investing activities		(117,190,256)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from initial public offering		96,255,000
Distributions to partners		(8,705,333)
Borrowings on long-term debt		22,214,090
Payment of loan origination costs		(312,500)
Net cash provided by (used in) financing activities		109,451,257
NET INCREASE IN CASH AND CASH EQUIVALENTS		6,226,479
CASH AND CASH EQUIVALENTS, end of period		6,226,479
Supplemental cash flow information:
Cash paid for interest		276,246
Noncash investing and financing activities:
Capital expenditures through issuance of common units		176,404,698
Predecessor
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ (496,856)		$ (6,018,014)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and accretion expenses	113,639		1,244,023
Impairment of oil and natural gas properties	0		4,992,897
Amortization of loan origination costs	4,241		34,245
Amortization of tenant improvement allowance	(2,864)		(25,777)
Unit-based compensation	50,422		453,795
Changes in operating assets and liabilities:
Oil, natural gas and NGL receivables	14,551		11,258
Other current assets	333,056		1,246,269
Accounts payable	247,972		(1,071,453)
Other current liabilities	(77,442)		89,550
Net cash provided by operating activities	186,719		956,793
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment			(18,016)
Purchase of oil and natural gas properties	(523)		(75,883)
Net cash used in investing activities	(523)		(93,899)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments on long-term debt			(550,000)
Payment of loan origination costs			(13,000)
Net cash provided by (used in) financing activities			(563,000)
NET INCREASE IN CASH AND CASH EQUIVALENTS	186,196		299,894
CASH AND CASH EQUIVALENTS, beginning of period	505,880	$ 692,076	379,741
CASH AND CASH EQUIVALENTS, end of period	692,076		679,635
Supplemental cash flow information:
Cash paid for interest	34,505		280,010
cash paid for taxes	$ 5,355		$ 17,468