| 93401 | OVERBY C. J | Karnes County, TX | Oil & Gas Property | Apr 2015 |
| 93402 | OVERBY GAS UNIT 2E | Bee County, TX | Oil & Gas Property | Feb 2026 |
| 93403 | OVERCASH | Throckmorton County, TX | Oil & Gas Property | Mar 2026 |
| 93404 | OVERDORF | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 93405 | OVERFIELD | Henderson County, KY | Oil Property | Nov 2019 |
| 93406 | OVERFIELD | Henderson County, KY | Oil Property | Oct 2014 |
| 93407 | OVERHOLSER | Rooks County, KS | Oil Property | Feb 2026 |
| 93408 | OVERHOLT | Claiborne Parish, LA | Oil Property | Dec 2024 |
| 93409 | OVERLAND | Wagoner County, OK | Oil & Gas Property | Sep 2022 |
| 93410 | OVERLAND 1 | Burke County, ND | Oil & Gas Property | Apr 2026 |
| 93411 | OVERLAND 20-17-162-98H 4MD | Divide County, ND | Oil & Gas Property | Apr 2026 |
| 93412 | OVERLAND ANDERSON | Kern County, CA | Oil & Gas Property | Nov 2018 |
| 93413 | OVERLEE | Burke County, ND | Oil & Gas Property | Apr 2026 |
| 93414 | OVERLOOK | Weld County, CO | Oil & Gas Property | Dec 2024 |
| 93415 | OVERLOOK | Seminole County, OK | Oil & Gas Property | Dec 2012 |
| 93416 | OVERLOOK | Grady County, OK | Oil & Gas Property | Mar 2026 |
| 93417 | OVERLOOK DEV | Montgomery County, KS | Oil Property | Feb 2026 |
| 93418 | OVERLORD 21-56 | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 93419 | OVERLORD 33 32 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 93420 | OVERMAN | Kay County, OK | Oil & Gas Property | Aug 2023 |
| 93421 | OVERMYER | Ford County, KS | Oil & Gas Property | Feb 2026 |
| 93422 | OVERSHOWN GAS UNIT | Houston County, TX | Oil & Gas Property | Mar 2026 |
| 93423 | OVERSTREET | Haskell County, OK | Gas Property | Mar 2026 |
| 93424 | OVERSTREET | Le Flore County, OK | Gas Property | Feb 2016 |
| 93425 | OVERSTREET | Washita County, OK | Oil & Gas Property | Mar 2022 |
| 93426 | OVERSTREET | Cooke County, TX | Oil Property | Mar 2026 |
| 93427 | OVERSTREET | Seminole County, OK | Oil & Gas Property | Mar 2026 |
| 93428 | OVERTON | Garfield County, OK | Oil & Gas Property | May 2016 |
| 93429 | OVERTON | Smith County, TX | Oil & Gas Property | Mar 2026 |
| 93430 | OVERTON | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 93431 | OVERTON | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 93432 | OVERTON | Logan County, OK | Oil & Gas Property | Feb 2026 |
| 93433 | OVERTON | Beaver County, OK | Oil & Gas Property | Apr 2026 |
| 93434 | OVERTON | Christian County, KY | Oil Property | Jul 2022 |
| 93435 | OVERTON | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 93436 | OVERTON | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 93437 | OVERTON | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 93438 | OVERTON | Beaver County, OK | Oil & Gas Property | Mar 2026 |
| 93439 | OVERTON | Adams County, MS | Oil & Gas Property | Apr 2026 |
| 93440 | OVERTON BEN | Brown County, TX | Oil & Gas Property | Mar 2026 |
| 93441 | OVERTON G | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 93442 | OVERTON NE (PETTIT -A-) UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 93443 | OVIATT | Major County, OK | Oil & Gas Property | Jan 2006 |
| 93444 | OW PROPER | Elk County, PA | Gas Property | Dec 2025 |
| 93445 | OWAN 14B-22HN | Divide County, ND | Oil & Gas Property | Apr 2026 |
| 93446 | OWAN 23-26H | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 93447 | OWAN 5402 43-26 | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 93448 | OWASCO UNIT | Kimball County, NE | Oil Property | Dec 2025 |
| 93449 | OWC 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2026 |
| 93450 | OWE 0 | Los Angeles County, CA | Oil & Gas Property | Mar 2026 |
| 93451 | OWEN | Uinta County, WY | Oil & Gas Property | Apr 2026 |
| 93452 | OWEN | San Juan County, NM | Oil & Gas Property | Apr 2026 |
| 93453 | OWEN | Logan County, KS | Oil Property | Feb 2026 |
| 93454 | OWEN | Stafford County, KS | Oil Property | Mar 1992 |
| 93455 | OWEN | Moore County, TX | Oil & Gas Property | Mar 2026 |
| 93456 | OWEN | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 93457 | OWEN | Johnson County, TX | Oil & Gas Property | Mar 2026 |
| 93458 | OWEN | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 93459 | OWEN | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 93460 | OWEN | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 93461 | OWEN | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 93462 | OWEN | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 93463 | OWEN | Young County, TX | Oil & Gas Property | Mar 2026 |
| 93464 | OWEN | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 93465 | OWEN 1 | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 93466 | OWEN 2 | Dewey County, OK | Oil & Gas Property | Apr 2026 |
| 93467 | OWEN 5-27-12 1H | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 93468 | OWEN BEN 30-16-22 1H | Roger Mills County, OK | Oil & Gas Property | Mar 2026 |
| 93469 | OWEN DOWDY | Stevens County, KS | Oil Property | Aug 2017 |
| 93470 | OWEN F | Burleson County, TX | Oil & Gas Property | May 2022 |
| 93471 | OWEN F | Knox County, OH | Oil Property | Dec 2017 |
| 93472 | OWEN GAS UNIT | Kearny County, KS | Gas Property | Feb 2026 |
| 93473 | OWEN GMB | Harrison County, TX | Gas Property | Mar 2026 |
| 93474 | OWEN ILLINOIS | Allen Parish, LA | Oil & Gas Property | Dec 2024 |
| 93475 | OWEN J | Ellis County, TX | Oil & Gas Property | Mar 2026 |
| 93476 | OWEN J.D. GAS UNIT | Bowie County, TX | Oil & Gas Property | Feb 2018 |
| 93477 | OWEN MESA 2 | Eddy County, NM | Oil & Gas Property | Nov 2019 |
| 93478 | OWEN MILLER | Washington County, OH | Gas Property | Dec 1987 |
| 93479 | OWEN RHB 1H | Harrison County, TX | Gas Property | Mar 2026 |
| 93480 | OWEN, RC | Christian County, KY | Oil Property | Nov 2017 |
| 93481 | OWEN-BERRY | Cooke County, TX | Oil Property | Mar 2026 |
| 93482 | OWEN-BRISCOE | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 93483 | OWEN-BRISCOE STATE-WCSL GU B 2H | Webb County, TX | Gas Property | Mar 2026 |
| 93484 | OWEN-CHALK | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 93485 | OWEN-STATE 1 | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 93486 | OWENS | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 93487 | OWENS | Harper County, OK | Oil & Gas Property | Mar 2026 |
| 93488 | OWENS | Jack County, TX | Oil & Gas Property | Sep 2021 |
| 93489 | OWENS | Ellis County, OK | Oil & Gas Property | Feb 2026 |
| 93490 | OWENS | Haskell County, KS | Oil & Gas Property | Feb 2026 |
| 93491 | OWENS | Colorado County, TX | Oil & Gas Property | Mar 2026 |
| 93492 | OWENS | Oklahoma County, OK | Oil & Gas Property | Apr 2026 |
| 93493 | OWENS | Magoffin County, KY | Gas Property | Dec 2023 |
| 93494 | OWENS | Claiborne Parish, LA | Oil & Gas Property | Dec 2024 |
| 93495 | OWENS | Pottawatomie County, OK | Oil Property | Aug 2014 |
| 93496 | OWENS | Seminole County, OK | Oil & Gas Property | Jun 2014 |
| 93497 | OWENS | Woodson County, KS | Oil Property | Feb 2000 |
| 93498 | OWENS | Johnson County, TX | Oil & Gas Property | Feb 2026 |
| 93499 | OWENS | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 93500 | OWENS | Creek County, OK | Oil & Gas Property | Mar 2026 |