| 92301 | OKMULGEE MANNING | Okmulgee County, OK | Oil Property | Jul 2025 |
| 92302 | OKORONKWO | Canadian County, OK | Oil & Gas Property | Jan 2026 |
| 92303 | OKTOBERFEST | San Juan County, NM | Oil & Gas Property | Aug 2025 |
| 92304 | OLA MCCANN | San Patricio County, TX | Oil & Gas Property | Jan 2026 |
| 92305 | OLAF 42X-11 | Williams County, ND | Oil & Gas Property | Feb 2026 |
| 92306 | OLAF TUFTE B | Bottineau County, ND | Oil Property | Dec 1997 |
| 92307 | OLAJUWON | Freestone County, TX | Oil & Gas Property | Feb 2026 |
| 92308 | OLAN | Le Flore County, OK | Gas Property | Jan 2026 |
| 92309 | OLANDER | Rice County, KS | Oil & Gas Property | Dec 2025 |
| 92310 | OLANDER | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 92311 | OLANDER | Weld County, CO | Oil & Gas Property | May 2018 |
| 92312 | OLANDER CARL | Jones County, TX | Oil & Gas Property | Feb 2026 |
| 92313 | OLAUGHLIN | Hansford County, TX | Oil & Gas Property | Aug 2025 |
| 92314 | OLAUGHLIN | Palo Pinto County, TX | Oil & Gas Property | Feb 2026 |
| 92315 | OLAUGHLIN 1 | Kearny County, KS | Gas Property | Dec 2025 |
| 92316 | OLBERDING | Nemaha County, KS | Oil Property | Dec 2025 |
| 92317 | OLCESE | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 92318 | OLCESE ESTATE | Kern County, CA | Oil Property | Feb 2026 |
| 92319 | OLCOTT | Tarrant County, TX | Oil & Gas Property | Feb 2026 |
| 92320 | OLCOTT D | Ward County, TX | Oil & Gas Property | Dec 2023 |
| 92321 | OLCOTT H. W | Gray County, TX | Gas Property | Feb 2026 |
| 92322 | OLCOTT NORTH A UNIT | Tarrant County, TX | Oil & Gas Property | Feb 2026 |
| 92323 | OLCZAK | Greene County, PA | Gas Property | Feb 2026 |
| 92324 | OLD BEAR USA 11-17H | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 92325 | OLD BLUE 25 | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 92326 | OLD BORDER | Toole County, MT | Oil Property | Feb 2026 |
| 92327 | OLD BRASS & NEEDLE | Montague County, TX | Oil & Gas Property | Dec 2021 |
| 92328 | OLD CRAB 1506 | Kingfisher County, OK | Oil & Gas Property | Jan 2026 |
| 92329 | OLD EDDY | Washington County, OH | Oil Property | Dec 2023 |
| 92330 | OLD FAITHFUL | Woods County, OK | Oil & Gas Property | Nov 2015 |
| 92331 | OLD FASHIONED 96-11 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 92332 | OLD GLORY 16/28 AP | Ellis County, OK | Oil & Gas Property | Jan 2026 |
| 92333 | OLD GLORY 5-8-10 | Caddo County, OK | Oil & Gas Property | Feb 2026 |
| 92334 | OLD GLORY HOLE | Natrona County, WY | Oil Property | Oct 2018 |
| 92335 | OLD HICKORY | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92336 | OLD HICKORY STATE | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 92337 | OLD HOME MANOR | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 92338 | OLD INDIAN DRAW UNIT | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 92339 | OLD IRONSIDE 0405 | Pecos County, TX | Oil & Gas Property | Feb 2026 |
| 92340 | OLD LOCO UNIT | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 92341 | OLD MCDONALD FARM UNIT | Washington County, PA | Gas Property | Feb 2026 |
| 92342 | OLD MONARCH STATE 12 | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 92343 | OLD OAK FARM 6-10-3 | Jefferson County, OH | Gas Property | Dec 2025 |
| 92344 | OLD OCEAN UNIT | Brazoria County, TX | Oil & Gas Property | Feb 2026 |
| 92345 | OLD OCEAN UNIT | Brazoria County, TX | Oil & Gas Property | Nov 1993 |
| 92346 | OLD PARTNER | Loving County, TX | Oil & Gas Property | Feb 2026 |
| 92347 | OLD PARTNER 54-1-30 | Loving County, TX | Oil & Gas Property | Feb 2026 |
| 92348 | OLD RANCH CANYON 7 FEDERAL | Eddy County, NM | Oil & Gas Property | May 2019 |
| 92349 | OLD RANCH KNOLL 8 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2015 |
| 92350 | OLD RICKYS RIDGE 31_30-14N-7W | Canadian County, OK | Oil & Gas Property | Jan 2026 |
| 92351 | OLD RIVER RANCH DIM | Dimmit County, TX | Oil & Gas Property | Feb 2026 |
| 92352 | OLD ROCK COM | Rio Arriba County, NM | Oil & Gas Property | Feb 2026 |
| 92353 | OLD ROSEBUD 1524-36 | Chaves County, NM | Oil & Gas Property | Feb 2026 |
| 92354 | OLD ROSEBUD 37 UNIT | Culberson County, TX | Oil & Gas Property | Feb 2026 |
| 92355 | OLD STONE BANK | Summit County, OH | Oil & Gas Property | Dec 2009 |
| 92356 | OLD SWITCHEROO 418 | Yoakum County, TX | Oil & Gas Property | Feb 2026 |
| 92357 | OLD TOWN | Johnson County, TX | Gas Property | Feb 2026 |
| 92358 | OLD TOWN BEAGLE CLUB | Clearfield County, PA | Gas Property | Dec 2025 |
| 92359 | OLD TOWN FARMS | Mason County, WV | Oil & Gas Property | Dec 2021 |
| 92360 | OLD TRADING POST | San Juan County, NM | Oil & Gas Property | Feb 2026 |
| 92361 | OLD VIC 1 | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 92362 | OLD WEATHERFORD | Tarrant County, TX | Oil & Gas Property | Feb 2026 |
| 92363 | OLD WOMAN | Blaine County, OK | Oil & Gas Property | Sep 2025 |
| 92364 | OLD YUCCA | Reeves County, TX | Oil & Gas Property | Oct 2024 |
| 92365 | OLD ZAPATA DEEP G | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 92366 | OLDAKER | Sherman County, TX | Gas Property | Sep 2025 |
| 92367 | OLDEN-PAULL UNIT 1 | Brazos County, TX | Oil & Gas Property | Feb 2026 |
| 92368 | OLDENBURG | Fayette County, TX | Oil & Gas Property | Feb 2026 |
| 92369 | OLDFIELD | Beckham County, OK | Oil & Gas Property | Jan 2026 |
| 92370 | OLDHAM | Ellis County, KS | Oil Property | Sep 2025 |
| 92371 | OLDHAM | Midland County, TX | Oil & Gas Property | Jun 2025 |
| 92372 | OLDHAM | Pawnee County, OK | Oil & Gas Property | Jan 2026 |
| 92373 | OLDHAM | Archer County, TX | Oil & Gas Property | Feb 2026 |
| 92374 | OLDHAM | Petroleum County, MT | Oil Property | Jan 2015 |
| 92375 | OLDHAM IDA MAE | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 92376 | OLDHAM TRUST | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 92377 | OLDHAM-GRAHAM 35 | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 92378 | OLDJAMIE OIL | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 92379 | OLDLAND | Rio Blanco County, CO | Oil & Gas Property | Aug 2008 |
| 92380 | OLDS | Caddo Parish, LA | Oil Property | Nov 2024 |
| 92381 | OLDS ROEHR | Seward County, KS | Gas Property | Dec 2025 |
| 92382 | OLDS UNIT | Weston County, WY | Oil & Gas Property | Jan 2026 |
| 92383 | OLE 2-1-29M | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92384 | OLE 4-1-29MBH | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92385 | OLE 5-1-29TFH | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92386 | OLE 6-1-29MBH | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92387 | OLE 7-1-29TFH | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92388 | OLE 8-1-29 | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92389 | OLE 9-1-29MBH | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92390 | OLE GIESER UNIT | Tarrant County, TX | Oil & Gas Property | Feb 2026 |
| 92391 | OLEAN | Santa Barbara County, CA | Oil & Gas Property | Apr 1987 |
| 92392 | OLEARY | Barton County, KS | Oil Property | Dec 2025 |
| 92393 | OLEARY | Rooks County, KS | Oil Property | Nov 2025 |
| 92394 | OLEBULLY 8-1-29TFH-ULW | McKenzie County, ND | Oil & Gas Property | Feb 2026 |
| 92395 | OLEN SLEDGE | Grady County, OK | Oil & Gas Property | Jan 2026 |
| 92396 | OLENHOUSE | Wilson County, KS | Gas Property | Nov 2025 |
| 92397 | OLENHOUSE | Wilson County, KS | Gas Property | Dec 2025 |
| 92398 | OLENICK | Wilson County, TX | Oil & Gas Property | Oct 2025 |
| 92399 | OLER THOMPSON B | Clearfield County, PA | Gas Property | Dec 2024 |
| 92400 | OLES | Erie County, NY | Gas Property | Dec 2024 |