| 92501 | OLD RANCH KNOLL 8 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2015 |
| 92502 | OLD RICKYS RIDGE 31_30-14N-7W | Canadian County, OK | Oil & Gas Property | Jan 2025 |
| 92503 | OLD RIVER RANCH DIM | Dimmit County, TX | Oil & Gas Property | Dec 2024 |
| 92504 | OLD ROCK COM | Rio Arriba County, NM | Oil & Gas Property | Feb 2025 |
| 92505 | OLD ROSEBUD 1524-36 | Chaves County, NM | Oil & Gas Property | Feb 2025 |
| 92506 | OLD ROSEBUD 37 UNIT | Culberson County, TX | Oil & Gas Property | Jan 2025 |
| 92507 | OLD STONE BANK | Summit County, OH | Oil & Gas Property | Dec 2009 |
| 92508 | OLD SWITCHEROO 418 | Yoakum County, TX | Oil & Gas Property | Jan 2025 |
| 92509 | OLD TOWN | Johnson County, TX | Gas Property | Jan 2025 |
| 92510 | OLD TOWN BEAGLE CLUB | Clearfield County, PA | Gas Property | Dec 2024 |
| 92511 | OLD TOWN FARMS | Mason County, WV | Oil & Gas Property | Dec 2021 |
| 92512 | OLD TRADING POST | San Juan County, NM | Oil & Gas Property | Feb 2025 |
| 92513 | OLD VIC 1 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 92514 | OLD WEATHERFORD | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 92515 | OLD YUCCA | Reeves County, TX | Oil & Gas Property | Oct 2024 |
| 92516 | OLD ZAPATA DEEP G | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 92517 | OLDAKER | Sherman County, TX | Gas Property | Jan 2025 |
| 92518 | OLDEN-PAULL UNIT 1 | Brazos County, TX | Oil & Gas Property | Jan 2025 |
| 92519 | OLDENBURG | Fayette County, TX | Oil & Gas Property | Jan 2025 |
| 92520 | OLDFIELD | Beckham County, OK | Oil & Gas Property | Jan 2025 |
| 92521 | OLDHAM | Ellis County, KS | Oil Property | Aug 2024 |
| 92522 | OLDHAM | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 92523 | OLDHAM | Pawnee County, OK | Oil & Gas Property | Oct 2024 |
| 92524 | OLDHAM | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 92525 | OLDHAM | Petroleum County, MT | Oil Property | Jan 2015 |
| 92526 | OLDHAM 1-22 | Woodward County, OK | Gas Property | Feb 2025 |
| 92527 | OLDHAM TRUST | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 92528 | OLDHAM,IDA MAE | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 92529 | OLDHAM-GRAHAM 35 | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 92530 | OLDJAMIE OIL | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 92531 | OLDLAND | Rio Blanco County, CO | Oil & Gas Property | Aug 2008 |
| 92532 | OLDS | Caddo Parish, LA | Oil Property | Nov 2024 |
| 92533 | OLDS ROEHR | Seward County, KS | Gas Property | Dec 2024 |
| 92534 | OLDS UNIT | Weston County, WY | Oil & Gas Property | Feb 2025 |
| 92535 | OLE 1-29H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92536 | OLE 2-1-29M | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92537 | OLE 4-1-29MBH | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92538 | OLE 5-1-29TFH | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92539 | OLE 6-1-29MBH | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92540 | OLE 7-1-29TFH | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92541 | OLE 8-1-29 | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92542 | OLE 9-1-29MBH | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92543 | OLE BOE | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92544 | OLE GIESER UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 92545 | OLEA 24-11TFH | Dunn County, ND | Oil & Gas Property | Feb 2025 |
| 92546 | OLEAN | Santa Barbara County, CA | Oil & Gas Property | Apr 1987 |
| 92547 | OLEARY | Barton County, KS | Oil Property | Nov 2024 |
| 92548 | OLEARY | Rooks County, KS | Oil Property | Dec 2024 |
| 92549 | OLEBULLY 8-1-29TFH-ULW | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92550 | OLEN SLEDGE | Grady County, OK | Oil & Gas Property | Nov 2024 |
| 92551 | OLENHOUSE | Wilson County, KS | Gas Property | Dec 2024 |
| 92552 | OLENHOUSE | Wilson County, KS | Gas Property | Dec 2024 |
| 92553 | OLENICK | Wilson County, TX | Oil & Gas Property | Jan 2025 |
| 92554 | OLER THOMPSON B | Clearfield County, PA | Gas Property | Dec 2024 |
| 92555 | OLES | Erie County, NY | Gas Property | Dec 2023 |
| 92556 | OLEUM CORP | Collier County, FL | Oil & Gas Property | Dec 2024 |
| 92557 | OLEX US | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 92558 | OLEXA | Fayette County, PA | Oil & Gas Property | Feb 2025 |
| 92559 | OLEY 1-28 | Ness County, KS | Oil Property | Dec 2024 |
| 92560 | OLEY UNIT | Lee County, TX | Oil & Gas Property | Dec 2024 |
| 92561 | OLFERT | Valley County, MT | Oil & Gas Property | Feb 2019 |
| 92562 | OLGA | Kearny County, KS | Gas Property | Dec 2024 |
| 92563 | OLGA 150-99-15-22-1H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 92564 | OLGA COAL | McDowell County, WV | Oil & Gas Property | Dec 2021 |
| 92565 | OLGA COAL CO. 1 | McDowell County, WV | Gas Property | Dec 2021 |
| 92566 | OLGA COAL CO. 1 | McDowell County, WV | Gas Property | Dec 2021 |
| 92567 | OLGA H WEBER | Jefferson County, PA | Gas Property | Dec 2024 |
| 92568 | OLGA MARTENS | Major County, OK | Oil & Gas Property | Dec 2017 |
| 92569 | OLGUIN | La Plata County, CO | Gas Property | Feb 2025 |
| 92570 | OLIFANT UNIVERSITY 25 18 | Ward County, TX | Oil & Gas Property | Dec 2024 |
| 92571 | OLIFANT UNIVERSITY 38 18 | Ward County, TX | Oil & Gas Property | Dec 2024 |
| 92572 | OLIG CRUDE | Kern County, CA | Oil Property | Sep 2007 |
| 92573 | OLIGER | Conway County, AR | Gas Property | Jul 2024 |
| 92574 | OLIKTOK P | Beechey Point Quadrangle, AK | Oil & Gas Property | Oct 2011 |
| 92575 | OLIN | Union County, AR | Oil Property | Jan 2023 |
| 92576 | OLIN | Sabine Parish, LA | Oil & Gas Property | Oct 2024 |
| 92577 | OLIN | Union County, AR | Oil & Gas Property | Sep 2024 |
| 92578 | OLIN | Weld County, CO | Oil & Gas Property | May 2020 |
| 92579 | OLIN | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 92580 | OLIN | Union Parish, LA | Gas Property | Nov 2024 |
| 92581 | OLIN | Union County, AR | Oil & Gas Property | Jan 2025 |
| 92582 | OLIN | Union Parish, LA | Gas Property | Dec 2010 |
| 92583 | OLIN CORPORATION | Meade County, KY | Gas Property | Dec 2018 |
| 92584 | OLIN FEE | Union County, AR | Oil Property | Jan 2025 |
| 92585 | OLIN GAS TRANS | Union Parish, LA | Gas Property | Nov 2024 |
| 92586 | OLIN GAS TRANSMISSION | Union Parish, LA | Gas Property | Dec 2024 |
| 92587 | OLIN HA | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 92588 | OLIN INDUSTRIES | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 92589 | OLIN INDUSTRIES | Union Parish, LA | Gas Property | Nov 2024 |
| 92590 | OLIN MATH | Union Parish, LA | Gas Property | Dec 2024 |
| 92591 | OLIN MATH | Union Parish, LA | Gas Property | Dec 2000 |
| 92592 | OLIN MATH | Union Parish, LA | Gas Property | Dec 2024 |
| 92593 | OLIN MATH | Union Parish, LA | Gas Property | Sep 2012 |
| 92594 | OLIN STATE | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 92595 | OLIN-BROWN | Caldwell Parish, LA | Oil & Gas Property | Aug 2023 |
| 92596 | OLIN-INTERNATIONAL PAPER COMPANY | Lafayette County, AR | Oil & Gas Property | Jan 2025 |
| 92597 | OLIN-IPCO | Lafayette County, AR | Oil Property | Oct 1996 |
| 92598 | OLINDA | Orange County, CA | Oil & Gas Property | Dec 2024 |
| 92599 | OLINDA F | Orange County, CA | Oil & Gas Property | Dec 2024 |
| 92600 | OLINGER | Coffey County, KS | Oil Property | Dec 2024 |