| 2501 | AMBER SE WEL JF 4H | Jefferson County, OH | Gas Property | Mar 2026 |
| 2502 | AMBER SW WEL JF 2H | Jefferson County, OH | Gas Property | Mar 2026 |
| 2503 | AMBER-LAGER | Lavaca County, TX | Oil & Gas Property | May 2026 |
| 2504 | AMBER-PORTER (SA) UNIT | Lavaca County, TX | Oil & Gas Property | May 2026 |
| 2505 | AMBERJACK 39 | Glasscock County, TX | Oil & Gas Property | May 2026 |
| 2506 | AMBLER | Washington County, OK | Gas Property | Feb 2020 |
| 2507 | AMBLER | Butler County, KS | Oil Property | Sep 2003 |
| 2508 | AMBRA IF 23 | Grand County, UT | Oil Property | Apr 1988 |
| 2509 | AMBRIDGE SCHOOL | Beaver County, PA | Oil & Gas Property | Dec 2025 |
| 2510 | AMBRISTER | McClain County, OK | Oil & Gas Property | Dec 2023 |
| 2511 | AMBROSE | Wilson County, KS | Gas Property | Mar 2026 |
| 2512 | AMBROSE | Armstrong County, PA | Gas Property | May 2026 |
| 2513 | AMBROSE | Wilson County, KS | Gas Property | Mar 2026 |
| 2514 | AMBROSE UNIT | Butler County, PA | Oil & Gas Property | May 2026 |
| 2515 | AMBROSE-CUNNINGHAM | Morgan County, CO | Oil & Gas Property | Jul 2022 |
| 2516 | AMBROSIER | Graham County, KS | Oil Property | Feb 2026 |
| 2517 | AMBROSIUS UNIT | Bradford County, PA | Gas Property | May 2026 |
| 2518 | AMBURGEY | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 2519 | AMBURGEY | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 2520 | AMBURGEY | Winkler County, TX | Oil Property | Dec 2025 |
| 2521 | AMBURGEY | Knott County, KY | Gas Property | Dec 2018 |
| 2522 | AMBURGEY, BETT | Knott County, KY | Gas Property | Dec 2021 |
| 2523 | AMBURGEY, JE | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 2524 | AMBURGEY, MARTHA | Knott County, KY | Oil & Gas Property | Oct 2020 |
| 2525 | AMBURGY, BETTY HEIRS | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 2526 | AMBURKE | Susquehanna County, PA | Gas Property | May 2026 |
| 2527 | AMBUSH | Adams County, CO | Oil & Gas Property | Apr 2026 |
| 2528 | AMBUSH 1-31-30H | Williams County, ND | Oil & Gas Property | May 2026 |
| 2529 | AMCOR | Wyoming County, PA | Gas Property | May 2026 |
| 2530 | AMEGA CROWELL | Okmulgee County, OK | Oil & Gas Property | Nov 2002 |
| 2531 | AMELIA | Russell County, KS | Oil Property | Mar 2026 |
| 2532 | AMELIA 21/9 PI FEE COM | Roger Mills County, OK | Oil & Gas Property | Apr 2026 |
| 2533 | AMELIA FEDERAL 5201 41-11B | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 2534 | AMELIA HORR | Sweetwater County, WY | Oil & Gas Property | Mar 1992 |
| 2535 | AMELIA KAY | Milam County, TX | Oil & Gas Property | May 2026 |
| 2536 | AMEN | Weld County, CO | Oil & Gas Property | Apr 2025 |
| 2537 | AMEN | Beaver County, OK | Oil & Gas Property | Dec 2025 |
| 2538 | AMEN 1 | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 2539 | AMEND | Grant County, OK | Oil & Gas Property | Dec 2022 |
| 2540 | AMENDE | Campbell County, WY | Gas Property | Jun 2015 |
| 2541 | AMER. NAT L. BANK OF AUSTIN G.U. 1 | San Patricio County, TX | Oil & Gas Property | Aug 2025 |
| 2542 | AMERADA | Hughes County, OK | Gas Property | Jun 2021 |
| 2543 | AMERADA | Lea County, NM | Oil & Gas Property | May 2005 |
| 2544 | AMERADA | Payne County, OK | Oil Property | Mar 2026 |
| 2545 | AMERADA JICARILLA | Rio Arriba County, NM | Oil & Gas Property | May 2026 |
| 2546 | AMERADA-ARRINGTON | Payne County, OK | Oil & Gas Property | Apr 2026 |
| 2547 | AMERADA-NEAL | Upton County, TX | Oil & Gas Property | May 2026 |
| 2548 | AMERADA-SCARBOROUGH | Winkler County, TX | Oil & Gas Property | May 2002 |
| 2549 | AMERADA-WEBB | Yoakum County, TX | Oil & Gas Property | May 2026 |
| 2550 | AMERICA UNIT | Lee County, TX | Oil & Gas Property | May 2026 |
| 2551 | AMERICAN | Crook County, WY | Oil & Gas Property | Sep 2019 |
| 2552 | AMERICAN | Kern County, CA | Oil & Gas Property | May 2026 |
| 2553 | AMERICAN BEAUTY | Sweetwater County, WY | Oil & Gas Property | May 2026 |
| 2554 | AMERICAN BISON 1007 | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 2555 | AMERICAN FAMILY | Lincoln County, OK | Oil & Gas Property | May 2026 |
| 2556 | AMERICAN FIRECLAY | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 2557 | AMERICAN G | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 2558 | AMERICAN GROWERS INC | Lawrence County, KY | Oil & Gas Property | Dec 2024 |
| 2559 | AMERICAN HORNET 3631 | Pecos County, TX | Oil & Gas Property | Apr 2026 |
| 2560 | AMERICAN LEGION | Reagan County, TX | Oil & Gas Property | Feb 2025 |
| 2561 | AMERICAN LEGION | Panola County, TX | Oil & Gas Property | May 2026 |
| 2562 | AMERICAN LIBERTY | Rusk County, TX | Oil & Gas Property | May 2026 |
| 2563 | AMERICAN NATIONAL KEOHANE COM | Lea County, NM | Gas Property | May 2026 |
| 2564 | AMERICAN NATIONAL LIFE INS.CO | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 2565 | AMERICAN PETROL | Chautauqua County, KS | Oil Property | Feb 2026 |
| 2566 | AMERICAN PHAROAH 19-18-9-5 | Grady County, OK | Oil & Gas Property | May 2026 |
| 2567 | AMERICAN PHAROAH 43 STATE UNIT | Culberson County, TX | Oil & Gas Property | May 2026 |
| 2568 | AMERICAN REPUBLICS A | Upton County, TX | Oil & Gas Property | May 2026 |
| 2569 | AMERICAN SODA | Garfield County, CO | Oil & Gas Property | May 2026 |
| 2570 | AMERICAN SPORTSMAN | Stark County, OH | Oil & Gas Property | Dec 2025 |
| 2571 | AMERICAN TRUSTEE | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 2572 | AMERIGO | Reagan County, TX | Oil & Gas Property | May 2026 |
| 2573 | AMERINE | Kingman County, KS | Oil & Gas Property | Mar 2026 |
| 2574 | AMERSON | Jones County, TX | Oil & Gas Property | Apr 2026 |
| 2575 | AMERSON 1 | Morton County, KS | Gas Property | Mar 2026 |
| 2576 | AMES | Rice County, KS | Oil Property | Feb 2026 |
| 2577 | AMES | Jack County, TX | Oil & Gas Property | May 2026 |
| 2578 | AMES | Barton County, KS | Oil Property | Mar 2026 |
| 2579 | AMES | Jefferson County, PA | Gas Property | Dec 2025 |
| 2580 | AMES | Woods County, OK | Oil & Gas Property | Apr 2026 |
| 2581 | AMES | Woodward County, OK | Oil & Gas Property | May 2026 |
| 2582 | AMES ET AL GU | Willacy County, TX | Oil & Gas Property | Apr 2026 |
| 2583 | AMES FEDERAL 31X-13 | Williams County, ND | Oil & Gas Property | May 2026 |
| 2584 | AMES R. C | Callahan County, TX | Oil & Gas Property | Apr 2026 |
| 2585 | AMES W | Jefferson County, PA | Gas Property | Dec 2025 |
| 2586 | AMESTOY | Richland County, MT | Oil & Gas Property | May 2026 |
| 2587 | AMETHYST | Lavaca County, TX | Oil & Gas Property | May 2026 |
| 2588 | AMETHYST STATE 29-0-20-17 | Loving County, TX | Oil & Gas Property | May 2026 |
| 2589 | AMF 38 | Sterling County, TX | Oil & Gas Property | Nov 2025 |
| 2590 | AMFIRE | Indiana County, PA | Gas Property | Dec 2025 |
| 2591 | AMG CHATO 25 C | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 2592 | AMHERST | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 2593 | AMHERST INDUST | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 2594 | AMHERST INDUSTRIES | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 2595 | AMHERST INDUSTRIES | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 2596 | AMHERST INDUSTRIES | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 2597 | AMHERST LAND CO | Logan County, WV | Gas Property | Dec 2021 |
| 2598 | AMICK, BROWNIE | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 2599 | AMIGO SHINE | Coal County, OK | Oil & Gas Property | Apr 2026 |
| 2600 | AMIGOS | Greene County, PA | Gas Property | May 2026 |