| 94501 | ORENDORFF | Wilson County, KS | Gas Property | Jan 2025 |
| 94502 | ORENDORFF-FRAZIER | Muskogee County, OK | Oil & Gas Property | Apr 2007 |
| 94503 | OREO | McIntosh County, OK | Gas Property | Dec 2024 |
| 94504 | OREO FEDERAL 5300 24-25T | Williams County, ND | Oil & Gas Property | Mar 2025 |
| 94505 | ORGAIN | Roger Mills County, OK | Oil & Gas Property | Mar 2025 |
| 94506 | ORGAIN | Liberty County, TX | Oil & Gas Property | Feb 2025 |
| 94507 | ORGAIN B. D | Hardin County, TX | Oil & Gas Property | Dec 2024 |
| 94508 | ORGAIN HEIRS | Bastrop County, TX | Oil & Gas Property | Feb 2025 |
| 94509 | ORGANIC | Midland County, TX | Oil & Gas Property | Feb 2025 |
| 94510 | ORIE LOVE | Sumner County, KS | Oil Property | Sep 2024 |
| 94511 | ORIENT | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 94512 | ORIENT 1-12 | Howard County, TX | Oil & Gas Property | Feb 2025 |
| 94513 | ORIGAMI | Kern County, CA | Oil & Gas Property | Feb 2025 |
| 94514 | ORIN | Stephens County, OK | Oil & Gas Property | Feb 2025 |
| 94515 | ORIN FORTENBERRY GAS UNIT | Wise County, TX | Oil & Gas Property | Feb 2025 |
| 94516 | ORIN LEE NEAL | Jefferson County, PA | Gas Property | Dec 2024 |
| 94517 | ORINGDERFF | Ochiltree County, TX | Oil & Gas Property | Feb 2025 |
| 94518 | ORINGDERFF EATON | Ochiltree County, TX | Oil & Gas Property | Feb 2025 |
| 94519 | ORION | Tulsa County, OK | Oil Property | Jun 2024 |
| 94520 | ORION | Loving County, TX | Oil & Gas Property | Feb 2025 |
| 94521 | ORION | Atascosa County, TX | Oil & Gas Property | Feb 2025 |
| 94522 | ORION | Uintah County, UT | Oil & Gas Property | Mar 2025 |
| 94523 | ORION | Converse County, WY | Oil & Gas Property | Mar 2025 |
| 94524 | ORION 1H | Frio County, TX | Oil & Gas Property | Feb 2025 |
| 94525 | ORION FEDERAL 5792 42-20H | Mountrail County, ND | Oil & Gas Property | Mar 2025 |
| 94526 | ORION UNIT | Shelby County, TX | Gas Property | Feb 2025 |
| 94527 | ORIS | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 94528 | ORIS M. SCHRECENGOST | Armstrong County, PA | Oil & Gas Property | Dec 2024 |
| 94529 | ORIVA | Campbell County, WY | Gas Property | Dec 2011 |
| 94530 | ORIVA FEDERAL | Campbell County, WY | Gas Property | Mar 2025 |
| 94531 | ORIVE A | Starr County, TX | Oil & Gas Property | Feb 2025 |
| 94532 | ORLA | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 94533 | ORLA 1 | Ingham County, MI | Oil & Gas Property | Nov 2024 |
| 94534 | ORLAND UNIT | Glenn County, CA | Gas Property | Apr 1986 |
| 94535 | ORLANDI, INC. ( | Kanawha County, WV | Gas Property | Dec 2021 |
| 94536 | ORLANDI, JO | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 94537 | ORLANDI, JOSEPH | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 94538 | ORLANDI, JOSEPH TRUSTEE | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 94539 | ORLANDO HARMAN | Armstrong County, PA | Gas Property | Dec 2024 |
| 94540 | ORLEANS LEVEE | Plaquemines Parish, LA | Oil & Gas Property | Jul 2011 |
| 94541 | ORLOFF | Kern County, CA | Oil & Gas Property | Mar 2025 |
| 94542 | ORLOFF | Kern County, CA | Oil Property | Jul 1993 |
| 94543 | ORLOSKY | Mercer County, PA | Gas Property | Dec 2024 |
| 94544 | ORLYNNE 2-3H | Divide County, ND | Oil & Gas Property | Mar 2025 |
| 94545 | ORME CHARLSIE | Palo Pinto County, TX | Oil & Gas Property | Feb 2025 |
| 94546 | ORMET | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 94547 | ORMISTON | Burke County, ND | Oil & Gas Property | Mar 2025 |
| 94548 | ORMISTON | Seward County, KS | Oil & Gas Property | Nov 2024 |
| 94549 | ORMOND PL | Adams County, MS | Oil & Gas Property | Oct 1998 |
| 94550 | ORMS | Gregg County, TX | Oil & Gas Property | Feb 2025 |
| 94551 | ORMSBY | Johnson County, TX | Oil & Gas Property | Feb 2025 |
| 94552 | ORMSBY DEVONIAN | McKean County, PA | Gas Property | Dec 1993 |
| 94553 | ORO NEGRO UNIT | Dewitt County, TX | Oil & Gas Property | Feb 2025 |
| 94554 | OROSZ 1 | Kalamazoo County, MI | Oil & Gas Property | Nov 2024 |
| 94555 | OROU | Creek County, OK | Oil Property | Dec 2020 |
| 94556 | OROURKE | Ness County, KS | Oil Property | May 2006 |
| 94557 | OROURKE 05 046 0 | Bradford County, PA | Gas Property | Mar 2025 |
| 94558 | ORPHA DEAN | Roger Mills County, OK | Oil & Gas Property | Mar 2025 |
| 94559 | ORPHEUM | Reeves County, TX | Oil & Gas Property | Feb 2025 |
| 94560 | ORPIN | Franklin County, KS | Oil Property | Jan 2025 |
| 94561 | ORR #1 | Creek County, OK | Oil & Gas Property | Apr 2023 |
| 94562 | ORR 1 | Lincoln County, OK | Oil & Gas Property | Mar 2025 |
| 94563 | ORR 1 | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 94564 | ORR 1 | Kearny County, KS | Gas Property | Jan 2025 |
| 94565 | ORR 2 | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 94566 | ORR 3 | Fayette County, PA | Oil & Gas Property | Dec 2024 |
| 94567 | ORR A | Karnes County, TX | Oil & Gas Property | Feb 2025 |
| 94568 | ORR B | Barber County, KS | Oil & Gas Property | Dec 2024 |
| 94569 | ORR B | Wilson County, KS | Gas Property | Feb 2019 |
| 94570 | ORR C | Karnes County, TX | Oil & Gas Property | Feb 2025 |
| 94571 | ORR D | Karnes County, TX | Oil & Gas Property | Feb 2025 |
| 94572 | ORR J. B | Upshur County, TX | Oil & Gas Property | Dec 2021 |
| 94573 | ORR RANCH UNIT | Karnes County, TX | Oil & Gas Property | Feb 2025 |
| 94574 | ORR ROBERT | Milam County, TX | Oil & Gas Property | Dec 2024 |
| 94575 | ORR STATE | Weld County, CO | Oil & Gas Property | Nov 2024 |
| 94576 | ORR UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 94577 | ORR UNIT | Latimer County, OK | Oil & Gas Property | Feb 2025 |
| 94578 | ORR UNIT | Ellis County, TX | Gas Property | Dec 2024 |
| 94579 | ORR UNIT | Marion County, TX | Oil & Gas Property | Feb 2025 |
| 94580 | ORR WILLIAM | Wise County, TX | Oil & Gas Property | Feb 2025 |
| 94581 | ORR WM | Wise County, TX | Oil & Gas Property | Feb 2025 |
| 94582 | ORR WM. -A- UNIT 2C | Wise County, TX | Gas Property | Feb 2025 |
| 94583 | ORR, E.L | Jones County, TX | Oil & Gas Property | Apr 2013 |
| 94584 | ORR-BURKS GU | Rusk County, TX | Oil & Gas Property | Jul 2024 |
| 94585 | ORR-TIPPS | Rusk County, TX | Oil & Gas Property | Feb 2025 |
| 94586 | ORRA DEAN UNIT | Kearny County, KS | Gas Property | Jan 2025 |
| 94587 | ORRADRE | Monterey County, CA | Oil & Gas Property | Mar 2025 |
| 94588 | ORRADRE | Monterey County, CA | Oil & Gas Property | Dec 2025 |
| 94589 | ORRELL 1-1 | Caddo County, OK | Gas Property | Feb 2025 |
| 94590 | ORRTANNA 20 FEDERAL | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 94591 | ORSBORN | Taylor County, TX | Oil & Gas Property | Jul 2023 |
| 94592 | ORSBORN | King County, TX | Oil & Gas Property | Feb 2025 |
| 94593 | ORSBURN | Henderson County, KY | Oil Property | Dec 2016 |
| 94594 | ORSBURN | Seminole County, OK | Oil & Gas Property | Feb 2025 |
| 94595 | ORSON | Andrews County, TX | Oil & Gas Property | Feb 2025 |
| 94596 | ORSON | Martin County, TX | Oil & Gas Property | Feb 2025 |
| 94597 | ORSON-BILLY 139 | Martin County, TX | Oil & Gas Property | Feb 2025 |
| 94598 | ORTEGA | Reagan County, TX | Oil & Gas Property | Feb 2025 |
| 94599 | ORTH | Haskell County, KS | Gas Property | Jan 2025 |
| 94600 | ORTH | Ellis County, KS | Oil Property | Jan 2025 |