| 93501 | ORINGDERFF | Ochiltree County, TX | Oil & Gas Property | May 2026 |
| 93502 | ORINGDERFF EATON | Ochiltree County, TX | Oil & Gas Property | May 2026 |
| 93503 | ORION | Tulsa County, OK | Oil Property | Aug 2025 |
| 93504 | ORION | Atascosa County, TX | Oil & Gas Property | May 2026 |
| 93505 | ORION | Loving County, TX | Oil & Gas Property | May 2026 |
| 93506 | ORION | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 93507 | ORION | Uintah County, UT | Oil & Gas Property | May 2026 |
| 93508 | ORION FEDERAL 5792 42-20H | Mountrail County, ND | Oil & Gas Property | May 2026 |
| 93509 | ORIS | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 93510 | ORIS M. SCHRECENGOST | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 93511 | ORIVA | Campbell County, WY | Gas Property | Dec 2011 |
| 93512 | ORIVA FEDERAL | Campbell County, WY | Gas Property | Jun 2026 |
| 93513 | ORIVE A | Starr County, TX | Oil & Gas Property | May 2026 |
| 93514 | ORLA | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 93515 | ORLA 1 | Ingham County, MI | Oil & Gas Property | Apr 2026 |
| 93516 | ORLANDI, INC. ( | Kanawha County, WV | Gas Property | Dec 2021 |
| 93517 | ORLANDI, JO | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 93518 | ORLANDI, JOSEPH | Kanawha County, WV | Oil & Gas Property | Dec 2021 |
| 93519 | ORLANDI, JOSEPH TRUSTEE | Nicholas County, WV | Oil & Gas Property | Dec 2021 |
| 93520 | ORLANDO HARMAN | Armstrong County, PA | Gas Property | Dec 2025 |
| 93521 | ORLEANS LEVEE | Plaquemines Parish, LA | Oil & Gas Property | Jul 2011 |
| 93522 | ORLOFF | Kern County, CA | Oil & Gas Property | Jun 2026 |
| 93523 | ORLOFF | Kern County, CA | Oil Property | Jul 1993 |
| 93524 | ORLOSKY | Mercer County, PA | Gas Property | Dec 2025 |
| 93525 | ORLYNNE 2-3H | Divide County, ND | Oil & Gas Property | May 2026 |
| 93526 | ORME CHARLSIE | Palo Pinto County, TX | Oil & Gas Property | May 2026 |
| 93527 | ORMET | Monroe County, OH | Oil & Gas Property | Mar 2026 |
| 93528 | ORMISTON | Seward County, KS | Oil & Gas Property | Apr 2026 |
| 93529 | ORMISTON | Burke County, ND | Oil & Gas Property | May 2026 |
| 93530 | ORMOND PL | Adams County, MS | Oil & Gas Property | Oct 1998 |
| 93531 | ORMS | Gregg County, TX | Oil & Gas Property | May 2026 |
| 93532 | ORMSBY | Johnson County, TX | Oil & Gas Property | May 2026 |
| 93533 | ORMSBY DEVONIAN | McKean County, PA | Gas Property | Dec 1993 |
| 93534 | ORO NEGRO UNIT | Dewitt County, TX | Oil & Gas Property | May 2026 |
| 93535 | OROSZ 1 | Kalamazoo County, MI | Oil & Gas Property | May 2026 |
| 93536 | OROU | Creek County, OK | Oil Property | Feb 2026 |
| 93537 | OROURKE | Ness County, KS | Oil Property | May 2006 |
| 93538 | OROURKE 05 046 0 | Bradford County, PA | Gas Property | May 2026 |
| 93539 | ORPHA DEAN | Roger Mills County, OK | Oil & Gas Property | May 2026 |
| 93540 | ORPHEUM | Reeves County, TX | Oil & Gas Property | May 2026 |
| 93541 | ORPIN | Franklin County, KS | Oil Property | Apr 2026 |
| 93542 | ORR #1 | Creek County, OK | Oil & Gas Property | Apr 2023 |
| 93543 | ORR 1 | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 93544 | ORR 1 | Lincoln County, OK | Oil & Gas Property | Apr 2026 |
| 93545 | ORR 1 | Kearny County, KS | Gas Property | Apr 2026 |
| 93546 | ORR 2 | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 93547 | ORR 3 | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 93548 | ORR A | Karnes County, TX | Oil & Gas Property | May 2026 |
| 93549 | ORR B | Wilson County, KS | Gas Property | Feb 2019 |
| 93550 | ORR B | Barber County, KS | Oil & Gas Property | Mar 2026 |
| 93551 | ORR B | Karnes County, TX | Oil & Gas Property | May 2026 |
| 93552 | ORR C | Karnes County, TX | Oil & Gas Property | May 2026 |
| 93553 | ORR D | Karnes County, TX | Oil & Gas Property | May 2026 |
| 93554 | ORR J. B | Upshur County, TX | Oil & Gas Property | Dec 2021 |
| 93555 | ORR RANCH UNIT | Karnes County, TX | Oil & Gas Property | May 2026 |
| 93556 | ORR ROBERT | Milam County, TX | Oil & Gas Property | May 2026 |
| 93557 | ORR STATE | Weld County, CO | Oil & Gas Property | May 2026 |
| 93558 | ORR UNIT | Marion County, TX | Oil & Gas Property | May 2026 |
| 93559 | ORR UNIT | Latimer County, OK | Oil & Gas Property | Apr 2026 |
| 93560 | ORR UNIT | Karnes County, TX | Oil & Gas Property | May 2026 |
| 93561 | ORR UNIT | Ellis County, TX | Gas Property | May 2026 |
| 93562 | ORR WILLIAM | Wise County, TX | Oil & Gas Property | May 2026 |
| 93563 | ORR WM | Wise County, TX | Oil & Gas Property | May 2026 |
| 93564 | ORR WM. -A- UNIT 2C | Wise County, TX | Gas Property | May 2026 |
| 93565 | ORR-BURKS GU | Rusk County, TX | Oil & Gas Property | May 2026 |
| 93566 | ORR-TIPPS | Rusk County, TX | Oil & Gas Property | May 2026 |
| 93567 | ORRA DEAN UNIT | Kearny County, KS | Gas Property | Apr 2026 |
| 93568 | ORRADRE | Monterey County, CA | Oil & Gas Property | May 2026 |
| 93569 | ORRADRE | Monterey County, CA | Oil & Gas Property | Jun 2026 |
| 93570 | ORRELL 1-1 | Caddo County, OK | Gas Property | Apr 2026 |
| 93571 | ORRIS 159-93-15-3 | Burke County, ND | Oil & Gas Property | May 2026 |
| 93572 | ORRTANNA 20 FEDERAL | Lea County, NM | Oil & Gas Property | May 2026 |
| 93573 | ORSBORN | King County, TX | Oil & Gas Property | Feb 2025 |
| 93574 | ORSBURN | Henderson County, KY | Oil Property | Dec 2016 |
| 93575 | ORSBURN | Seminole County, OK | Oil & Gas Property | Apr 2026 |
| 93576 | ORSON | Martin County, TX | Oil & Gas Property | May 2026 |
| 93577 | ORSON | Andrews County, TX | Oil & Gas Property | May 2026 |
| 93578 | ORSON-BILLY 139 | Martin County, TX | Oil & Gas Property | May 2026 |
| 93579 | ORTEGA | Reagan County, TX | Oil & Gas Property | May 2026 |
| 93580 | ORTH | Ellis County, KS | Oil Property | Apr 2026 |
| 93581 | ORTH | Haskell County, KS | Gas Property | Apr 2026 |
| 93582 | ORTH | Rice County, KS | Oil Property | Apr 2026 |
| 93583 | ORTH | Haskell County, KS | Gas Property | Mar 2026 |
| 93584 | ORTH | Ellis County, KS | Oil Property | Apr 2026 |
| 93585 | ORTH | Rice County, KS | Oil Property | Oct 2025 |
| 93586 | ORTH B | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 93587 | ORTH-GILLESPIE | Woodson County, KS | Oil Property | Mar 2025 |
| 93588 | ORTH-HADDON 1-5 | Rice County, KS | Oil Property | Apr 2026 |
| 93589 | ORTHA JONES 41 | Ochiltree County, TX | Oil & Gas Property | May 2026 |
| 93590 | ORTHODOX | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 93591 | ORTHODOX EDUCATIONAL SOCIETY OES | Taylor County, WV | Gas Property | Dec 2021 |
| 93592 | ORTHRUS UNIT | Borden County, TX | Oil & Gas Property | Apr 2026 |
| 93593 | ORTIZ | Wagoner County, OK | Oil & Gas Property | Feb 2008 |
| 93594 | ORTIZ RANCH | Webb County, TX | Oil & Gas Property | May 2026 |
| 93595 | ORTMAN USA 34-31TFH | Mountrail County, ND | Oil & Gas Property | May 2026 |
| 93596 | ORTMANN | Wilson County, TX | Oil & Gas Property | May 2026 |
| 93597 | ORTNER | Phillips County, CO | Gas Property | Sep 2023 |
| 93598 | ORTON | Washington County, PA | Oil & Gas Property | Oct 2025 |
| 93599 | ORTON | Clay County, TX | Oil & Gas Property | May 2026 |
| 93600 | ORTON | Erie County, PA | Gas Property | Dec 1986 |