| 1401 | ORSBORN | Taylor County, TX | Oil & Gas Property | Jul 2023 |
| 1402 | ORSBORN | King County, TX | Oil & Gas Property | Mar 2023 |
| 1403 | ORSBURN | Henderson County, KY | Oil Property | Dec 2016 |
| 1404 | ORSBURN | Seminole County, OK | Oil & Gas Property | Dec 2023 |
| 1405 | ORSON | Martin County, TX | Oil & Gas Property | Jan 2024 |
| 1406 | ORSON | Andrews County, TX | Oil & Gas Property | Jan 2024 |
| 1407 | ORSON-BILLY 139 | Martin County, TX | Oil & Gas Property | Jan 2024 |
| 1408 | ORTEGA | Reagan County, TX | Oil & Gas Property | Jan 2024 |
| 1409 | ORTH | Ellis County, KS | Oil Property | Dec 2023 |
| 1410 | ORTH | Haskell County, KS | Gas Property | Dec 2023 |
| 1411 | ORTH | Rice County, KS | Oil Property | Dec 2023 |
| 1412 | ORTH | Haskell County, KS | Gas Property | Dec 2023 |
| 1413 | ORTH | Ellis County, KS | Oil Property | Dec 2023 |
| 1414 | ORTH | Rice County, KS | Oil Property | Sep 2022 |
| 1415 | ORTH B | Warren County, PA | Oil & Gas Property | Dec 2014 |
| 1416 | ORTH-GILLESPIE | Woodson County, KS | Oil Property | Dec 2023 |
| 1417 | ORTHA JONES 41 | Ochiltree County, TX | Oil & Gas Property | Jan 2024 |
| 1418 | ORTHODOX | Crawford County, PA | Oil & Gas Property | Dec 2023 |
| 1419 | ORTHODOX EDUCATIONAL SOCIETY OES | Taylor County, WV | Gas Property | Dec 2021 |
| 1420 | ORTHRUS UNIT | Borden County, TX | Oil & Gas Property | Dec 2023 |
| 1421 | ORTIZ RANCH | Webb County, TX | Oil & Gas Property | Jan 2024 |
| 1422 | ORTMAN USA 34-31TFH | Mountrail County, ND | Oil & Gas Property | Feb 2024 |
| 1423 | ORTMANN | Wilson County, TX | Oil & Gas Property | Jan 2024 |
| 1424 | ORTNER | Phillips County, CO | Gas Property | Aug 2023 |
| 1425 | ORTON | Washington County, PA | Oil & Gas Property | Apr 2023 |
| 1426 | ORTON A | Archer County, TX | Oil & Gas Property | Jan 2024 |
| 1427 | ORTON UNIT | Karnes County, TX | Oil & Gas Property | Jan 2024 |
| 1428 | ORTS,H.P | Gonzales County, TX | Oil & Gas Property | Jan 2024 |
| 1429 | ORVAL 1 | Pittsburg County, OK | Gas Property | Dec 2023 |
| 1430 | ORVAL BDQ STATE COM | Eddy County, NM | Oil & Gas Property | Mar 2022 |
| 1431 | ORVIE 24-20H | Williams County, ND | Oil & Gas Property | Feb 2024 |
| 1432 | ORVILLE | Kingfisher County, OK | Oil & Gas Property | Dec 2023 |
| 1433 | ORVILLE | Major County, OK | Oil & Gas Property | Dec 2023 |
| 1434 | ORVILLE | Indiana County, PA | Gas Property | Dec 2023 |
| 1435 | ORVILLE | Coal County, OK | Oil & Gas Property | Jan 2024 |
| 1436 | ORVILLE 29-32-162-98H 2XM | Divide County, ND | Oil & Gas Property | Feb 2024 |
| 1437 | ORVILLE 4-9 | Williams County, ND | Oil & Gas Property | Feb 2024 |
| 1438 | ORVILLE J MORAN | Licking County, OH | Oil Property | Dec 2023 |
| 1439 | ORVILLE JONES | Licking County, OH | Oil & Gas Property | Dec 2017 |
| 1440 | ORVILLE M WATSON | Indiana County, PA | Gas Property | Dec 2023 |
| 1441 | ORVILLE OSBORN | Muskingum County, OH | Oil & Gas Property | Dec 2014 |
| 1442 | ORVILLE W. PRESCOTT | Clearfield County, PA | Gas Property | Dec 2008 |
| 1443 | ORVIN 31-13TFH | Mountrail County, ND | Oil & Gas Property | Feb 2024 |
| 1444 | ORVIS | Furnas County, NE | Oil Property | Dec 2022 |
| 1445 | ORVIS 150-99-21-16 | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 1446 | ORVIS 37 | Martin County, TX | Oil & Gas Property | Jan 2024 |
| 1447 | ORVIS STATE 150-99-21-16 | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 1448 | ORWICK | Clearfield County, PA | Gas Property | Dec 2023 |
| 1449 | ORWIG | Seminole County, OK | Oil & Gas Property | Jan 2024 |
| 1450 | ORWIG | Los Angeles County, CA | Oil & Gas Property | Dec 2023 |
| 1451 | ORYX | Atascosa County, TX | Oil & Gas Property | Jan 2024 |
| 1452 | ORYX 13 | Reeves County, TX | Oil & Gas Property | Jan 2024 |
| 1453 | ORYX 14 B3DM FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2024 |
| 1454 | ORYX 53-2-12 | Loving County, TX | Oil & Gas Property | Jan 2024 |
| 1455 | ORYX FEE | Hardin County, TX | Oil Property | Oct 2023 |
| 1456 | ORYX HUNTER | Lavaca County, TX | Oil & Gas Property | Jan 2024 |
| 1457 | ORYX-AKIN | Gregg County, TX | Oil & Gas Property | Jan 2024 |
| 1458 | ORYX-SUN FEE | Chambers County, TX | Oil & Gas Property | Aug 2022 |
| 1459 | OS 05 | Campbell County, WY | Gas Property | May 2015 |
| 1460 | OS 11 | Campbell County, WY | Gas Property | Jun 2015 |
| 1461 | OS 13 | Campbell County, WY | Gas Property | Jul 2015 |
| 1462 | OS 16 | Campbell County, WY | Gas Property | Dec 2013 |
| 1463 | OS BURNHAM | Crawford County, PA | Gas Property | Dec 2017 |
| 1464 | OSA 0 | Los Angeles County, CA | Oil & Gas Property | Dec 2023 |
| 1465 | OSA 4 | Los Angeles County, CA | Oil & Gas Property | Dec 2023 |
| 1466 | OSAGE | Eddy County, NM | Oil & Gas Property | Jan 2024 |
| 1467 | OSAGE | Coffey County, KS | Oil & Gas Property | Dec 2023 |
| 1468 | OSAGE | Osage County, OK | Oil & Gas Property | Jul 2022 |
| 1469 | OSAGE | Osage County, OK | Oil Property | Aug 2018 |
| 1470 | OSAGE | Osage County, OK | Oil & Gas Property | Jan 2024 |
| 1471 | OSAGE | Barber County, KS | Oil & Gas Property | Dec 2023 |
| 1472 | OSAGE | Barber County, KS | Oil & Gas Property | Dec 2023 |
| 1473 | OSAGE 1 | Harris County, TX | Oil & Gas Property | Dec 2023 |
| 1474 | OSAGE 18 FE | Eddy County, NM | Oil & Gas Property | Jan 2024 |
| 1475 | OSAGE 34 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2024 |
| 1476 | OSAGE BOYD 15 | Eddy County, NM | Oil & Gas Property | Jan 2024 |
| 1477 | OSAGE BRADLEY UNIT | Weston County, WY | Oil & Gas Property | Nov 2023 |
| 1478 | OSAGE FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2024 |
| 1479 | OSAGE JUNIPER UNIT | Weston County, WY | Oil & Gas Property | Dec 2023 |
| 1480 | OSAGE UNIT | La Salle County, TX | Oil & Gas Property | Jan 2024 |
| 1481 | OSAGE WEST UNIT | Weston County, WY | Oil & Gas Property | Dec 2023 |
| 1482 | OSAGE WHITTEN | Logan County, OK | Oil & Gas Property | Dec 2023 |
| 1483 | OSAGE/DAVIS | Osage County, OK | Oil Property | Jan 2024 |
| 1484 | OSBORN | Grady County, OK | Oil & Gas Property | Jan 2024 |
| 1485 | OSBORN | Grady County, OK | Oil & Gas Property | Dec 2023 |
| 1486 | OSBORN | Pawnee County, OK | Oil & Gas Property | Aug 2017 |
| 1487 | OSBORN | Tulsa County, OK | Oil Property | Dec 2023 |
| 1488 | OSBORN | Campbell County, WY | Gas Property | Jan 2008 |
| 1489 | OSBORN | Kern County, CA | Oil & Gas Property | Nov 2023 |
| 1490 | OSBORN | Freestone County, TX | Oil & Gas Property | Jan 2024 |
| 1491 | OSBORN | Pike County, KY | Gas Property | Dec 2020 |
| 1492 | OSBORN | Coshocton County, OH | Oil & Gas Property | Dec 2022 |
| 1493 | OSBORN | Seminole County, OK | Oil Property | Dec 2023 |
| 1494 | OSBORN | Licking County, OH | Oil & Gas Property | Dec 2019 |
| 1495 | OSBORN | Allen County, KS | Oil Property | Aug 2001 |
| 1496 | OSBORN | McClain County, OK | Oil & Gas Property | Jan 2024 |
| 1497 | OSBORN 1-34H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 1498 | OSBORN B | Kingman County, KS | Oil & Gas Property | Aug 2020 |
| 1499 | OSBORN HEIRS | Weston County, WY | Oil & Gas Property | Feb 2024 |
| 1500 | OSBORN, GARNETT | Allen County, KY | Oil Property | Dec 2020 |