Supplemental Information on Oil and Natural Gas Properties (Unaudited) (Tables)
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12 Months Ended |
Dec. 31, 2023 |
Oil and Gas Exploration and Production Industries Disclosures [Abstract] |
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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:
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Years Ended December 31, |
Proved reserves |
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2023 |
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2022 |
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2021 |
Oil (MBbls) |
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|
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|
|
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Beginning of period |
|
275,609 |
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290,296 |
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|
289,487 |
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Extensions and discoveries |
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40,684 |
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41,064 |
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22,520 |
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Revisions to previous estimates |
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(28,278) |
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(31,163) |
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(10,514) |
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Purchase of reserves in place |
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38,731 |
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— |
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35,045 |
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Sales of reserves in place |
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(47,336) |
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(949) |
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(24,019) |
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Removed for five-year rule |
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(18,259) |
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— |
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— |
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Production |
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(21,891) |
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(23,639) |
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(22,223) |
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End of period |
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239,260
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275,609
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290,296
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Natural Gas (MMcf) |
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Beginning of period |
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592,843 |
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577,327 |
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541,598 |
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Extensions and discoveries |
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75,616 |
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75,801 |
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37,896 |
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Revisions to previous estimates |
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24,206 |
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(11,155) |
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(3,389) |
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Purchase of reserves in place |
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42,802 |
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— |
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73,445 |
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Sale of reserves in place |
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(53,317) |
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(7,503) |
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(34,837) |
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Removed for five-year rule |
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(74,548) |
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— |
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— |
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Production |
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(46,109) |
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(41,627) |
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(37,386) |
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End of period |
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561,493
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592,843
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577,327
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NGLs (MBbls) |
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Beginning of period |
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105,109 |
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98,104 |
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96,126 |
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Extensions and discoveries |
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14,718 |
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14,264 |
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7,345 |
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Revisions to previous estimates |
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317 |
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1,376 |
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(3,103) |
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Purchase of reserves in place |
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9,487 |
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— |
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10,366 |
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Sale of reserves in place |
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(9,537) |
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(1,159) |
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(6,191) |
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Removed for five-year rule |
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(11,415) |
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— |
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— |
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Production |
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(8,011) |
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(7,476) |
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(6,439) |
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End of period |
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100,668
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105,109
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98,104
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Total (MBoe) |
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Beginning of period |
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479,525 |
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484,621 |
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475,879 |
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Extensions and discoveries |
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68,005 |
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67,961 |
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36,180 |
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Revisions to previous estimates |
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(23,927) |
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(31,645) |
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(14,181) |
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Purchase of reserves in place |
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55,352 |
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— |
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57,652 |
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Sale of reserves in place |
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(65,759) |
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(3,359) |
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(36,015) |
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Removed for five-year rule |
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(42,099) |
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— |
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— |
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Production |
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(37,587) |
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(38,053) |
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(34,894) |
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End of period |
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433,510
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479,525
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484,621
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Years Ended December 31, |
Proved developed reserves |
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2023 |
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2022 |
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2021 |
Oil (MBbls) |
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Beginning of period |
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170,866 |
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|
162,886 |
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128,923 |
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End of period |
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149,898 |
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170,866 |
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162,886 |
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Natural gas (MMcf) |
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Beginning of period |
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351,278 |
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332,266 |
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238,119 |
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End of period |
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376,070 |
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351,278 |
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332,266 |
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NGLs (MBbls) |
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Beginning of period |
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63,788 |
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55,720 |
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43,315 |
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End of period |
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65,891 |
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63,788 |
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55,720 |
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Total proved developed reserves (MBoe) |
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Beginning of period |
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293,200 |
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273,983 |
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211,925 |
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End of period |
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278,467 |
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293,200 |
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273,983 |
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Proved undeveloped reserves |
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Oil (MBbls) |
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Beginning of period |
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104,743 |
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127,410 |
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160,564 |
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End of period |
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89,362 |
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104,743 |
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127,410 |
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Natural gas (MMcf) |
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Beginning of period |
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241,565 |
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245,061 |
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303,479 |
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End of period |
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185,423 |
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241,565 |
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245,061 |
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NGLs (MBbls) |
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Beginning of period |
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41,321 |
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42,384 |
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52,811 |
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End of period |
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34,777 |
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41,321 |
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42,384 |
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Total proved undeveloped reserves (MBoe) |
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Beginning of period |
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186,325 |
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210,638 |
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263,954 |
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End of period |
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155,043 |
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186,325 |
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210,638 |
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Total proved reserves |
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Oil (MBbls) |
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Beginning of period |
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275,609 |
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290,296 |
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289,487 |
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End of period |
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239,260 |
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275,609 |
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290,296 |
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Natural gas (MMcf) |
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Beginning of period |
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592,843 |
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577,327 |
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541,598 |
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End of period |
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561,493 |
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592,843 |
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577,327 |
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NGLs (MBbls) |
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Beginning of period |
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105,109 |
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98,104 |
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96,126 |
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End of period |
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100,668 |
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105,109 |
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98,104 |
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Total proved reserves (MBoe) |
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Beginning of period |
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479,525 |
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484,621 |
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475,879 |
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End of period |
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433,510 |
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479,525 |
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484,621 |
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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:
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As of December 31, |
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2023 |
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2022 |
Oil and natural gas properties: |
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(In thousands) |
Proved properties |
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$9,657,105 |
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$9,268,135 |
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Unproved properties |
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1,063,033 |
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1,225,768 |
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Total oil and natural gas properties |
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10,720,138 |
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10,493,903 |
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Accumulated depreciation, depletion, amortization and impairment |
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(4,570,132) |
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(4,416,606) |
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Total oil and natural gas properties capitalized |
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$6,150,006
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$6,077,297
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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:
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Years Ended December 31, |
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2023 |
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2022 |
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2021 |
Acquisition costs: |
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(In thousands) |
Proved properties |
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$503,433 |
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$— |
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$677,250 |
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Unproved properties |
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78,144 |
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32,548 |
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301,404 |
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Development costs |
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872,808 |
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742,991 |
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396,181 |
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Exploration costs |
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113,782 |
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133,080 |
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137,989 |
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Total costs incurred |
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$1,568,167
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$908,619
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$1,512,824
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Oil and Gas Net Production, Average Sales Price and Average Production Costs Disclosure |
The following average realized prices were used in the calculation of proved reserves and the standardized measure of discounted future net cash flows.
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Years Ended December 31, |
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2023 |
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2022 |
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2021 |
Oil ($/Bbl) |
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$78.17 |
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$95.02 |
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$65.44 |
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Natural gas ($/Mcf) |
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$1.53 |
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$5.75 |
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$3.31 |
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NGLs ($/Bbl) |
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$22.27 |
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$36.40 |
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$29.19 |
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Standardized Measure of Discounted Future Cash Flows Relating to Proved Reserves Disclosure |
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Standardized Measure |
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For the Year Ended December 31, |
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2023 |
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2022 |
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2021 |
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(In thousands) |
Future cash inflows |
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$21,804,152 |
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$33,424,190 |
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$23,775,358 |
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Future costs |
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Production |
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(8,850,777) |
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(10,702,897) |
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(8,038,362) |
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Development and net abandonment |
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(1,943,594) |
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(2,326,789) |
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(1,927,789) |
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Future net inflows before income taxes |
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11,009,781 |
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20,394,504 |
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13,809,207 |
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Future income taxes |
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(936,057) |
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(3,000,300) |
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(1,481,005) |
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Future net cash flows |
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10,073,724 |
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17,394,204 |
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12,328,202 |
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10% discount factor |
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(4,639,540) |
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(8,390,068) |
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(6,077,447) |
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Standardized measure of discounted future net cash flows |
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$5,434,184
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$9,004,136
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$6,250,755
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Changes in Standardized Measure |
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For the Year Ended December 31, |
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2023 |
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2022 |
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2021 |
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(In thousands) |
Standardized measure at the beginning of the period |
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$9,004,136 |
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$6,250,755 |
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$2,310,390 |
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Sales and transfers, net of production costs |
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(1,428,805) |
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(2,208,492) |
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(1,466,413) |
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Net change in sales and transfer prices, net of production costs |
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(3,387,434) |
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4,168,425 |
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4,336,078 |
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Net change due to purchases of in place reserves |
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868,016 |
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— |
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797,327 |
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Net change due to sales of in place reserves |
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(1,724,612) |
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(36,389) |
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(105,376) |
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Extensions, discoveries, and improved recovery, net of future production and development costs incurred |
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702,960 |
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1,338,286 |
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583,976 |
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Changes in future development cost |
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21,705 |
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(257,344) |
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(81,480) |
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Previously estimated development costs incurred |
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570,765 |
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289,207 |
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209,078 |
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Revisions of quantity estimates |
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(1,217,925) |
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(215,828) |
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(104,572) |
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Accretion of discount |
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1,053,483 |
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|
705,127 |
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234,495 |
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Net change in income taxes |
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1,075,309 |
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(730,185) |
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(765,956) |
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Changes in production rates, timing and other |
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(103,414) |
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(299,426) |
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303,208 |
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Aggregate change |
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(3,569,952) |
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2,753,381 |
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3,940,365 |
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Standardized measure at the end of period |
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$5,434,184
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$9,004,136
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$6,250,755
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