Annual report pursuant to Section 13 and 15(d)

Supplemental Information on Oil and Natural Gas Properties (Unaudited) (Tables)

v3.22.0.1
Supplemental Information on Oil and Natural Gas Properties (Unaudited) (Tables)
12 Months Ended
Dec. 31, 2021
Oil and Gas Exploration and Production Industries Disclosures [Abstract]  
Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities
The following tables disclose changes in the estimated quantities of proved reserves, all of which are located onshore within the continental United States:
Years Ended December 31,
Proved reserves 2021 2020 2019
Oil (MBbls)
Beginning of period 289,487  346,361  180,097 
Purchase of reserves in place 35,045  —  183,382 
Sales of reserves in place (24,019) (9,673) (17,980)
Extensions and discoveries 22,520  25,678  45,663 
Revisions to previous estimates (10,514) (49,336) (33,136)
Production (22,223) (23,543) (11,665)
End of period 290,296  289,487  346,361 
Natural Gas (MMcf)
Beginning of period 541,598  757,134  350,466 
Purchase of reserves in place 73,445  —  455,158 
Sale of reserves in place (34,837) (20,389) (86,856)
Extensions and discoveries 37,896  44,282  82,566 
Revisions to previous estimates (3,389) (198,628) (24,482)
Production (37,386) (40,801) (19,718)
End of period 577,327  541,598  757,134 
NGLs (MBbls)
Beginning of period 96,126  67,462  — 
Purchase of reserves in place 10,366  —  67,597 
Sale of reserves in place (6,191) (3,049) — 
Extensions and discoveries 7,345  8,349  — 
Revisions to previous estimates (3,103) 30,214  — 
Production (6,439) (6,850) (135)
End of period 98,104  96,126  67,462 
Total (MBoe)
Beginning of period 475,879  540,012  238,508 
Purchase of reserves in place 57,652  —  326,838 
Sale of reserves in place (36,015) (16,120) (32,456)
Extensions and discoveries 36,180  41,407  59,424 
Revisions to previous estimates (14,181) (52,227) (37,216)
Production (34,894) (37,193) (15,086)
End of period 484,621  475,879  540,012 
Years Ended December 31,
Proved developed reserves 2021 2020 2019
Oil (MBbls)
Beginning of period 128,923  152,687  92,202 
End of period 162,886  128,923  152,687 
Natural gas (MMcf)
Beginning of period 238,119  320,676  218,417 
End of period 332,266  238,119  320,676 
NGLs (MBbls)
Beginning of period 43,315  24,844  — 
End of period 55,720  43,315  24,844 
Total proved developed reserves (MBoe)
Beginning of period 211,925  230,977  128,605 
End of period 273,983  211,925  230,977 
Proved undeveloped reserves
Oil (MBbls)
Beginning of period 160,564  193,674  87,895 
End of period 127,410  160,564  193,674 
Natural gas (MMcf)
Beginning of period 303,479  436,458  132,049 
End of period 245,061  303,479  436,458 
NGLs (MBbls)
Beginning of period 52,811  42,618  — 
End of period 42,384  52,811  42,618 
Total proved undeveloped reserves (MBoe)
Beginning of period 263,954  309,035  109,903 
End of period 210,638  263,954  309,035 
Total proved reserves
  Oil (MBbls)
Beginning of period 289,487  346,361  180,097 
End of period 290,296  289,487  346,361 
Natural gas (MMcf)
Beginning of period 541,598  757,134  350,466 
End of period 577,327  541,598  757,134 
NGLs (MBbls)
Beginning of period 96,126  67,462  — 
End of period 98,104  96,126  67,462 
Total proved reserves (MBoe)
Beginning of period 475,879  540,012  238,508 
End of period 484,621  475,879  540,012 
Capitalized Costs Relating to Oil and Natural Gas Activities Capitalized costs related to oil and natural gas production activities with applicable accumulated depreciation, depletion, amortization and impairment are as follows:
As of December 31,
2021 2020
Oil and natural gas properties: (In thousands)
   Evaluated properties $9,238,823  $7,894,513 
   Unevaluated properties 1,812,827  1,733,250 
Total oil and natural gas properties 11,051,650  9,627,763 
   Accumulated depreciation, depletion, amortization and impairment (5,886,002) (5,538,803)
Total oil and natural gas properties capitalized $5,165,648  $4,088,960 
Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities
Costs incurred in oil and natural gas property acquisitions, exploration and development activities are as follows:
Years Ended December 31,
2021 2020 2019
Acquisition costs: (In thousands)
   Evaluated properties $677,250  $—  $49,572 
   Unevaluated properties 301,404  30,696  107,347 
Development costs 396,181  379,900  189,259 
Exploration costs 137,989  122,865  309,013 
   Total costs incurred $1,512,824  $533,461  $655,191 
Oil and Gas Net Production, Average Sales Price and Average Production Costs Disclosure
Details of the 12-Month Average Realized Price of crude oil for the years ended December 31, 2021, 2020, and 2019 are summarized in the table below:
Years Ended December 31,
2021 2020 2019
Impairment of evaluated oil and natural gas properties (In thousands) $— $2,547,241 $—
Beginning of period 12-Month Average Realized Price ($/Bbl) $37.44 $53.90 $58.40
End of period 12-Month Average Realized Price ($/Bbl) $65.44 $37.44 $53.90
Percent increase (decrease) in 12-Month Average Realized Price 75  % (31  %) (8  %)
The following average realized prices were used in the calculation of proved reserves and the standardized measure of discounted future net cash flows.
Years Ended December 31,
2021 2020 2019
Oil ($/Bbl) $65.44  $37.44  $53.90 
Natural gas ($/Mcf) $3.31  $1.02  $1.55 
NGLs ($/Bbl) $29.19  $11.10  $15.58 
Standardized Measure of Discounted Future Cash Flows Relating to Proved Reserves Disclosure
Standardized Measure
For the Year Ended December 31,
2021 2020 2019
(In thousands)
Future cash inflows $23,775,358  $12,458,033  $20,891,469 
Future costs
Production (8,038,362) (5,433,496) (6,717,088)
Development and net abandonment (1,927,789) (2,204,301) (3,058,861)
Future net inflows before income taxes 13,809,207  4,820,236  11,115,520 
Future income taxes (1,481,005) (65,405) (941,768)
Future net cash flows 12,328,202  4,754,831  10,173,752 
10% discount factor (6,077,447) (2,444,441) (5,222,726)
Standardized measure of discounted future net cash flows $6,250,755  $2,310,390  $4,951,026 
Changes in Standardized Measure
For the Year Ended December 31,
2021 2020 2019
(In thousands)
Standardized measure at the beginning of the period $2,310,390  $4,951,026  $2,941,293 
Sales and transfers, net of production costs (1,466,413) (649,781) (579,744)
Net change in sales and transfer prices, net of production costs 4,336,078  (2,719,579) (387,970)
Net change due to purchases of in place reserves 797,327  —  2,975,296 
Net change due to sales of in place reserves (105,376) (202,928) (303,526)
Extensions, discoveries, and improved recovery, net of future production and development costs incurred 583,976  250,759  607,146 
Changes in future development cost (81,480) 361,008  205,398 
Previously estimated development costs incurred 209,078  318,470  134,037 
Revisions of quantity estimates (104,572) (671,800) (420,488)
Accretion of discount 234,495  536,958  314,921 
Net change in income taxes (765,956) 383,999  (210,641)
Changes in production rates, timing and other 303,208  (247,742) (324,696)
Aggregate change 3,940,365  (2,640,636) 2,009,733 
Standardized measure at the end of period $6,250,755  $2,310,390  $4,951,026