| 10501 | CULBERSON-PATTESON UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 10502 | CULBERT | Ventura County, CA | Oil & Gas Property | Jul 2026 |
| 10503 | CULBERTSON | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 10504 | CULBERTSON | Carson County, TX | Gas Property | Jun 2026 |
| 10505 | CULBERTSON | Hitchcock County, NE | Oil Property | Dec 2025 |
| 10506 | CULBERTSON | Terrell County, TX | Oil & Gas Property | Jun 2026 |
| 10507 | CULBERTSON | Bienville Parish, LA | Oil & Gas Property | Dec 2024 |
| 10508 | CULBERTSON | Muskingum County, OH | Oil & Gas Property | Dec 2025 |
| 10509 | CULBERTSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 10510 | CULBERTSON | Jones County, TX | Oil & Gas Property | Sep 2023 |
| 10511 | CULBREATH | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 10512 | CULBREATH, BOB | Warren County, KY | Oil & Gas Property | Dec 2023 |
| 10513 | CULEBRA BLV FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 10514 | CULLAR UNIT | Grayson County, TX | Oil & Gas Property | Jun 2026 |
| 10515 | CULLEN | Holmes County, OH | Oil & Gas Property | Dec 2025 |
| 10516 | CULLEN | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 10517 | CULLEN | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 10518 | CULLEN | Alfalfa County, OK | Oil & Gas Property | Jul 2026 |
| 10519 | CULLEN | Okmulgee County, OK | Gas Property | Nov 2014 |
| 10520 | CULLEN | Colorado County, TX | Oil & Gas Property | Jun 2026 |
| 10521 | CULLEN | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 10522 | CULLEN L | Washington County, OH | Gas Property | Dec 2025 |
| 10523 | CULLEN UNIT A | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 10524 | CULLEN-H | Colorado County, TX | Oil & Gas Property | Jun 2026 |
| 10525 | CULLER | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 10526 | CULLER I | Ashland County, OH | Oil Property | Dec 2025 |
| 10527 | CULLERS | Young County, TX | Oil & Gas Property | Feb 2005 |
| 10528 | CULLERS J. EDGAR GAS UNIT | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 10529 | CULLEY | Seminole County, OK | Oil Property | Nov 2019 |
| 10530 | CULLEY | Graham County, KS | Oil Property | Mar 2026 |
| 10531 | CULLI | Bee County, TX | Oil & Gas Property | Mar 2019 |
| 10532 | CULLINAN FEE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 10533 | CULLINS FEDERAL | Rio Arriba County, NM | Oil & Gas Property | Jun 2026 |
| 10534 | CULLISON | Johnson County, TX | Gas Property | Apr 2026 |
| 10535 | CULLISON | Stevens County, KS | Oil & Gas Property | Mar 2026 |
| 10536 | CULLISON | Licking County, OH | Oil & Gas Property | Dec 2025 |
| 10537 | CULLISON | Licking County, OH | Oil & Gas Property | Dec 2010 |
| 10538 | CULLISON | Coshocton County, OH | Oil & Gas Property | Dec 2025 |
| 10539 | CULLISON 2 | Stevens County, KS | Oil Property | Jul 2025 |
| 10540 | CULLUM | Wichita County, TX | Oil Property | May 2026 |
| 10541 | CULLUM | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 10542 | CULLUM | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 10543 | CULLUM | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 10544 | CULLY | Seminole County, OK | Oil & Gas Property | Jun 2026 |
| 10545 | CULLY | Ellis County, OK | Oil & Gas Property | Jun 2026 |
| 10546 | CULLY | Sumner County, KS | Oil Property | May 2026 |
| 10547 | CULP | Noble County, OK | Oil & Gas Property | Oct 2016 |
| 10548 | CULP | Caddo County, OK | Oil & Gas Property | Jun 2026 |
| 10549 | CULP DRAW | Johnson County, WY | Oil & Gas Property | Jan 2014 |
| 10550 | CULP DRAW | Johnson County, WY | Oil & Gas Property | Jul 2026 |
| 10551 | CULP WILLIAM E | Cooke County, TX | Oil & Gas Property | Jun 2026 |
| 10552 | CULPEPPER | Bienville Parish, LA | Gas Property | Dec 2024 |
| 10553 | CULPEPPER | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 10554 | CULPEPPER | Escambia County, AL | Oil & Gas Property | Apr 1992 |
| 10555 | CULPEPPER | Ouachita Parish, LA | Gas Property | Dec 2024 |
| 10556 | CULPEPPER | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 10557 | CULPEPPER | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 10558 | CULPEPPER | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 10559 | CULPEPPER | Frio County, TX | Oil & Gas Property | Jun 2026 |
| 10560 | CULPEPPER | Milam County, TX | Oil & Gas Property | Jun 2026 |
| 10561 | CULPEPPER | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 10562 | CULPEPPER MARTIN | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 10563 | CULPEPPER, RUSS & OLIVE | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 10564 | CULTON ELVIS | Johnson County, TX | Gas Property | Jun 2026 |
| 10565 | CULTON, GOLDEN & ANDERSON | Clay County, KY | Oil & Gas Property | Dec 2024 |
| 10566 | CULVER | Gregg County, TX | Oil & Gas Property | May 2026 |
| 10567 | CULVER | Boulder County, CO | Oil & Gas Property | Jul 2025 |
| 10568 | CULVER | Union County, KY | Oil Property | Dec 2023 |
| 10569 | CULVER | Harper County, KS | Oil & Gas Property | May 2026 |
| 10570 | CULVER | Woodson County, KS | Oil Property | May 2026 |
| 10571 | CULVER D | Throckmorton County, TX | Oil & Gas Property | Nov 2022 |
| 10572 | CULVER OIL & MINERALS | Union County, KY | Oil Property | Dec 2022 |
| 10573 | CULVER, G.W | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 10574 | CULVERIN 1-32H | Richland County, MT | Oil & Gas Property | Jun 2026 |
| 10575 | CULWELL | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 10576 | CULWELL | Cheyenne County, KS | Gas Property | May 2026 |
| 10577 | CULWELL | Cheyenne County, KS | Oil Property | May 2026 |
| 10578 | CULWELL | Cheyenne County, KS | Oil Property | May 2026 |
| 10579 | CULWELL UNIT 4-32 | Cheyenne County, KS | Oil Property | May 2026 |
| 10580 | CULWIN 35 FEDERAL | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 10581 | CULWIN QUEEN UNIT | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 10582 | CUMBERLAND | Greene County, PA | Gas Property | Dec 2025 |
| 10583 | CUMBERLAND | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 10584 | CUMBERLAND 1-8H10 | Marshall County, OK | Oil & Gas Property | Jun 2026 |
| 10585 | CUMBERLAND COLLEGE | Whitley County, KY | Oil & Gas Property | Nov 2024 |
| 10586 | CUMBERLAND MINERAL | Whitley County, KY | Gas Property | Dec 2022 |
| 10587 | CUMBERLAND RANCH | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 10588 | CUMBERLAND TIMBER CO LLC | Whitley County, KY | Gas Property | Oct 2022 |
| 10589 | CUMBERLEDGE | Tyler County, WV | Gas Property | Dec 2021 |
| 10590 | CUMBERLEDGE, W. A CARTER | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 10591 | CUMBEY #1 | Creek County, OK | Oil Property | Jun 2026 |
| 10592 | CUMBIE | Van Zandt County, TX | Oil & Gas Property | Jun 2026 |
| 10593 | CUMBIE | Stonewall County, TX | Oil Property | Jun 2026 |
| 10594 | CUMMING-REAGAN 11 | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 10595 | CUMMINGS | Woodson County, KS | Oil Property | May 2026 |
| 10596 | CUMMINGS | Isabella County, MI | Oil Property | Jul 2026 |
| 10597 | CUMMINGS | Graham County, KS | Oil Property | Apr 2026 |
| 10598 | CUMMINGS | Kern County, CA | Oil & Gas Property | Aug 2023 |
| 10599 | CUMMINGS | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 10600 | CUMMINGS | Cumberland County, KY | Oil Property | Dec 2023 |