| 2501 | AMELIA HORR | Sweetwater County, WY | Oil & Gas Property | Mar 1992 |
| 2502 | AMELIA KAY | Milam County, TX | Oil & Gas Property | Jan 2025 |
| 2503 | AMEN | Weld County, CO | Oil & Gas Property | Mar 2024 |
| 2504 | AMEN | Beaver County, OK | Oil & Gas Property | Apr 2023 |
| 2505 | AMEN 1 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 2506 | AMEND | Grant County, OK | Oil & Gas Property | Dec 2022 |
| 2507 | AMENDE | Campbell County, WY | Gas Property | Jun 2015 |
| 2508 | AMER. NAT L. BANK OF AUSTIN G.U. 1 | San Patricio County, TX | Oil & Gas Property | Dec 2024 |
| 2509 | AMERADA | Hughes County, OK | Gas Property | Jun 2021 |
| 2510 | AMERADA | Lea County, NM | Oil & Gas Property | May 2005 |
| 2511 | AMERADA | Payne County, OK | Oil Property | Nov 2024 |
| 2512 | AMERADA ARRINGTON | Payne County, OK | Oil & Gas Property | Dec 2024 |
| 2513 | AMERADA JICARILLA | Rio Arriba County, NM | Oil & Gas Property | Feb 2025 |
| 2514 | AMERADA-NEAL | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 2515 | AMERADA-SCARBOROUGH | Winkler County, TX | Oil & Gas Property | May 2002 |
| 2516 | AMERADA-WEBB | Yoakum County, TX | Oil & Gas Property | Jan 2025 |
| 2517 | AMERICA UNIT | Lee County, TX | Oil & Gas Property | Dec 2024 |
| 2518 | AMERICAN | Crook County, WY | Oil & Gas Property | Sep 2019 |
| 2519 | AMERICAN | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 2520 | AMERICAN BEAUTY | Sweetwater County, WY | Oil & Gas Property | Feb 2025 |
| 2521 | AMERICAN BISON 1007 | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 2522 | AMERICAN FIRECLAY | Mahoning County, OH | Oil & Gas Property | Dec 2023 |
| 2523 | AMERICAN G | Washington County, OH | Oil & Gas Property | Dec 2022 |
| 2524 | AMERICAN GROWERS INC | Lawrence County, KY | Oil & Gas Property | Dec 2023 |
| 2525 | AMERICAN HORNET 3631 | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 2526 | AMERICAN LEGION | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 2527 | AMERICAN LEGION | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 2528 | AMERICAN LIBERTY | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 2529 | AMERICAN NATIONAL KEOHANE COM | Lea County, NM | Gas Property | Jan 2025 |
| 2530 | AMERICAN NATIONAL LIFE INS.CO | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 2531 | AMERICAN PETROL | Chautauqua County, KS | Oil Property | Aug 2024 |
| 2532 | AMERICAN PHAROAH | Reeves County, TX | Oil & Gas Property | Sep 2024 |
| 2533 | AMERICAN PHAROAH 19-18-9-5 | Grady County, OK | Oil & Gas Property | Jan 2025 |
| 2534 | AMERICAN PHAROAH 43 STATE UNIT | Culberson County, TX | Oil & Gas Property | Jan 2025 |
| 2535 | AMERICAN REPUBLICS A | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 2536 | AMERICAN SODA | Garfield County, CO | Oil & Gas Property | Feb 2025 |
| 2537 | AMERICAN SPORTSMAN | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 2538 | AMERICAN TRUSTEE | Indiana County, PA | Oil & Gas Property | Dec 2024 |
| 2539 | AMERIGO | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 2540 | AMERINE | Kingman County, KS | Oil & Gas Property | Dec 2024 |
| 2541 | AMERSON | Jones County, TX | Oil & Gas Property | Dec 2024 |
| 2542 | AMERSON 1 | Morton County, KS | Gas Property | Dec 2024 |
| 2543 | AMES | Rice County, KS | Oil Property | Dec 2024 |
| 2544 | AMES | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 2545 | AMES | Barton County, KS | Oil Property | Dec 2024 |
| 2546 | AMES | Jefferson County, PA | Gas Property | Dec 2024 |
| 2547 | AMES 1 | Woodward County, OK | Oil & Gas Property | Feb 2025 |
| 2548 | AMES 31X-13C | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 2549 | AMES 3H-27 | Woods County, OK | Oil & Gas Property | Jan 2025 |
| 2550 | AMES ET AL GU | Willacy County, TX | Oil & Gas Property | Jan 2025 |
| 2551 | AMES FEDERAL 31X-13 | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 2552 | AMES G.U. 1 | Willacy County, TX | Oil & Gas Property | Jan 2025 |
| 2553 | AMES R. C | Callahan County, TX | Oil & Gas Property | Jan 2025 |
| 2554 | AMES W | Jefferson County, PA | Gas Property | Dec 2024 |
| 2555 | AMES-D | Pawnee County, OK | Oil & Gas Property | Nov 2006 |
| 2556 | AMESTOY | Richland County, MT | Oil & Gas Property | Feb 2025 |
| 2557 | AMETHYST | Lavaca County, TX | Oil & Gas Property | Jan 2025 |
| 2558 | AMETHYST STATE 29-0-20-17 | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 2559 | AMF 38 | Sterling County, TX | Oil & Gas Property | Dec 2024 |
| 2560 | AMFIRE | Indiana County, PA | Gas Property | Dec 2024 |
| 2561 | AMG CHATO 25 C | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 2562 | AMHEISER | Medina County, OH | Gas Property | Dec 2012 |
| 2563 | AMHERST | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 2564 | AMHERST INDUST | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 2565 | AMHERST INDUSTRIES | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 2566 | AMHERST INDUSTRIES | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 2567 | AMHERST INDUSTRIES | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 2568 | AMHERST LAND CO | Logan County, WV | Gas Property | Dec 2021 |
| 2569 | AMICK, BROWNIE | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 2570 | AMIGO SHINE | Coal County, OK | Oil & Gas Property | Jan 2025 |
| 2571 | AMIGOS | Greene County, PA | Gas Property | Feb 2025 |
| 2572 | AMINEX | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 2573 | AMINEX | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 2574 | AMINOIL FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 2575 | AMIS GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 2576 | AMISH COMMUNITY | Geauga County, OH | Oil & Gas Property | Dec 2024 |
| 2577 | AMITY | Fresno County, CA | Oil & Gas Property | Sep 2019 |
| 2578 | AMKIRK | Campbell County, WY | Oil & Gas Property | Sep 2023 |
| 2579 | AMLIN | Portage County, OH | Oil & Gas Property | Dec 2023 |
| 2580 | AMMANN | Dimmit County, TX | Oil & Gas Property | Dec 2024 |
| 2581 | AMMANN-KEELING 10-15 | Van Buren County, AR | Gas Property | Jul 2024 |
| 2582 | AMMER | Mercer County, PA | Gas Property | Dec 2024 |
| 2583 | AMMERMAN | Glacier County, MT | Gas Property | Sep 2024 |
| 2584 | AMMERMAN | Bradford County, PA | Gas Property | Feb 2025 |
| 2585 | AMMERMAN/WALTER UNIT | Armstrong County, PA | Gas Property | Dec 2024 |
| 2586 | AMMIT UNIT 23-14 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 2587 | AMMONS | Okmulgee County, OK | Oil Property | Oct 2017 |
| 2588 | AMMONS MADERA | Lea County, NM | Oil & Gas Property | Nov 2014 |
| 2589 | AMOCO | San Juan County, NM | Gas Property | May 2017 |
| 2590 | AMOCO | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 2591 | AMOCO | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 2592 | AMOCO | Adams County, CO | Oil & Gas Property | May 2018 |
| 2593 | AMOCO | Hardin County, TX | Oil & Gas Property | Jan 2025 |
| 2594 | AMOCO 1 | Uinta County, WY | Oil & Gas Property | Sep 2024 |
| 2595 | AMOCO 17 | Hockley County, TX | Oil & Gas Property | Oct 2021 |
| 2596 | AMOCO 19 FEDERAL | Eddy County, NM | Oil & Gas Property | Aug 2023 |
| 2597 | AMOCO 21 FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 2598 | AMOCO CHAMPLIN | Sweetwater County, WY | Oil & Gas Property | Feb 2016 |
| 2599 | AMOCO CHARTER SCHNEIDER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2600 | AMOCO CHEVRON GULF | Uinta County, WY | Oil & Gas Property | Feb 2025 |