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Oil and Gas Reserves Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2021

Extractive Industries [Abstract]

Summary of Changes in Net Quantities of Crude Oil and Natural Gas Reserves

Set forth below is a summary of the Company's proved oil and natural gas reserves:

			Year Ended December 31,
			2021												2020												2019
			Oil (MBbls)						Natural Gas (MMcf)						Oil (MBbls)						Natural Gas (MMcf)						Oil (MBbls)						Natural Gas (MMcf)
Proved Reserves:
Beginning of period			11,000						5,562,876						16,747						5,341,497						23,612						2,282,758
Revisions of previous estimates			145						88,546						(4,241)						306,552						(4,621)						62,697
Extensions and discoveries			—						797,198						2						365,663						259						315,286
Acquisitions of minerals in place			—						202,588						—						—						240						3,023,109
Sales of minerals in place			(9,308)						(43,851)						—						—						(58)						(49,520)
Production			(1,210)						(489,274)						(1,508)						(450,836)						(2,685)						(292,833)
End of period			627						6,118,083						11,000						5,562,876						16,747						5,341,497
Proved Developed Reserves:
Beginning of period			11,000						1,967,288						15,104						1,890,357						21,466						583,107
End of period			627						2,245,660						11,000						1,967,288						15,104						1,890,357
Proved Undeveloped Reserves:
Beginning of period			—						3,595,588						1,643						3,451,140						2,146						1,699,651
End of period			—						3,872,423						—						3,595,588						1,643						3,451,140

Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves

The following table sets forth the standardized measure of discounted future net cash flows relating to proved reserves:

			As of December 31,
			2021						2020						2019
			(In thousands)
Cash Flows Relating to Proved Reserves:
Future Cash Flows			$	20,396,381					$	9,871,616					$	13,078,155
Future Costs:
Production			(3,954,726)						(3,173,350)						(3,562,042)
Development and Abandonment			(2,752,603)						(2,592,520)						(3,171,351)
Future Income Taxes			(2,065,316)						(154,872)						(676,759)
Future Net Cash Flows			11,623,736						3,950,874						5,668,003
10% Discount Factor			(5,848,131)						(2,015,149)						(2,754,792)
Standardized Measure of Discounted Future Net Cash Flows			$	5,775,605					$	1,935,725					$	2,913,211

Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves

The following table sets forth the changes in the standardized measure of discounted future net cash flows relating to proved reserves:

			Year Ended December 31,
			2021						2020						2019
			(In thousands)
Standardized Measure, Beginning of Year			$	1,935,725					$	2,913,211					$	1,473,840
Net change in sales price, net of production costs			5,012,696						(1,858,026)						(716,930)
Development costs incurred during the year which were previously estimated			502,674						302,135						311,331
Revisions of quantity estimates			119,200						215,268						16,340
Accretion of discount			199,124						326,074						175,514
Changes in future development and abandonment costs			1,505						313,191						(93,476)
Changes in timing and other			(224,617)						(127,663)						180,314
Extensions and discoveries			679,418						180,624						442,099
Acquisitions of minerals in place			150,065						—						1,813,491
Sales of minerals in place			(64,032)						—						(51,070)
Sales, net of production costs			(1,567,182)						(612,194)						(580,922)
Net changes in income taxes			(968,971)						283,105						(57,320)
Standardized Measure, End of Year			$	5,775,605					$	1,935,725					$	2,913,211

Summary of Prices Used in Determining Oil and Natural Gas Reserves Quantities and Cash Flows

Prices used in determining oil and natural gas reserves quantities and cash flows are as follows:

			Year Ended December 31,
			2021						2020						2019
Crude Oil: $/barrel			$	62.38					$	32.88					$	50.94
Natural Gas: $/Mcf			$	3.33					$	1.71					$	2.29

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Tabular disclosure of oil and gas sale price and production cost, including, but not limited to, average sale price and production cost per unit.

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Tabular disclosure of the net quantities of an enterprise's interests in proved developed and undeveloped reserves of (a) crude oil (including condensate and natural gas liquids), (b) natural gas (including coal bed methane), (c) synthetic oil, (d) synthetic gas, and (e) other nonrenewable natural resources that are intended to be upgraded during the period as of the beginning of the period, changes in quantities during the period, and as of the end of the period.

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Tabular disclosure of the future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchase under long-term agreements in which the enterprise participates in the operation of the properties on which the oil and gas is located or otherwise serves as the producer. This information is presented in aggregate and for each geographic area for which reserve quantities are disclosed.

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-Subsection Instruction 2

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