| 29201 | OLYMPUS | Lipscomb County, TX | Oil & Gas Property | May 2025 |
| 29202 | OLYPHANT 57-T1-43X42 1H | Reeves County, TX | Oil & Gas Property | May 2025 |
| 29203 | OMA MCMICHAEL GAS UNIT | Freestone County, TX | Oil & Gas Property | May 2025 |
| 29204 | OMAHA | Irion County, TX | Oil & Gas Property | May 2025 |
| 29205 | OMAHA 11 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 29206 | OMAHA 15 | Hemphill County, TX | Oil & Gas Property | May 2025 |
| 29207 | OMAHA 175-176 | Ward County, TX | Oil & Gas Property | May 2025 |
| 29208 | OMALLEY 1 | Washington County, TX | Oil & Gas Property | May 2025 |
| 29209 | OMAN | Jones County, TX | Oil Property | Jan 2022 |
| 29210 | OMAN KAROLYN | Shackelford County, TX | Oil & Gas Property | Dec 2019 |
| 29211 | OMNI-FRAZIER | Denton County, TX | Oil & Gas Property | May 2025 |
| 29212 | OMOHUNDRO | Wichita County, TX | Oil & Gas Property | May 2025 |
| 29213 | ONA 44-3 | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 29214 | ONA BLACK 49 | Wheeler County, TX | Oil & Gas Property | May 2025 |
| 29215 | ONAH | Robertson County, TX | Oil & Gas Property | May 2025 |
| 29216 | ONAT | Jack County, TX | Oil & Gas Property | May 2025 |
| 29217 | ONDRASEK MELVIN | Burleson County, TX | Oil & Gas Property | Jul 1993 |
| 29218 | ONDRASEK OL UNIT | Burleson County, TX | Oil & Gas Property | May 2025 |
| 29219 | ONE EYED JOHN 522 | Yoakum County, TX | Oil & Gas Property | May 2025 |
| 29220 | ONEAL | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 29221 | ONEAL | Milam County, TX | Oil & Gas Property | Oct 2007 |
| 29222 | ONEAL | Gray County, TX | Oil & Gas Property | Oct 2020 |
| 29223 | ONEAL | Cooke County, TX | Oil & Gas Property | May 2025 |
| 29224 | ONEAL | Carson County, TX | Oil & Gas Property | May 2025 |
| 29225 | ONEAL | Midland County, TX | Oil & Gas Property | Jan 2024 |
| 29226 | ONEAL B. J. -NORTH | Upton County, TX | Oil & Gas Property | Jan 2017 |
| 29227 | ONEAL B. J. ETAL | Upton County, TX | Oil & Gas Property | May 2025 |
| 29228 | ONEAL B.G. ETAL | Stephens County, TX | Oil & Gas Property | May 2025 |
| 29229 | ONEAL GAS UNIT | Bee County, TX | Oil & Gas Property | May 2025 |
| 29230 | ONEAL SAN ANDRES UNIT | Upton County, TX | Oil & Gas Property | Jan 2017 |
| 29231 | ONEAL, W. L | Smith County, TX | Oil & Gas Property | May 2025 |
| 29232 | ONEAL,BILL JOHN NE/4 SEC 5 UN | Upton County, TX | Oil & Gas Property | May 2025 |
| 29233 | ONEAL-ANNIE 15 | Midland County, TX | Oil & Gas Property | May 2025 |
| 29234 | ONEALL | Clay County, TX | Oil & Gas Property | Apr 2025 |
| 29235 | ONEIL | Bee County, TX | Oil & Gas Property | Apr 2025 |
| 29236 | ONEIL | Collingsworth County, TX | Oil & Gas Property | May 2025 |
| 29237 | ONEIL | Pecos County, TX | Oil & Gas Property | Dec 2018 |
| 29238 | ONEIL | Cochran County, TX | Oil & Gas Property | Mar 2014 |
| 29239 | ONEIL 4 | Martin County, TX | Oil & Gas Property | May 2025 |
| 29240 | ONEY | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 29241 | ONEY ALTON J. GAS UNIT 1H | Harrison County, TX | Oil & Gas Property | May 2025 |
| 29242 | ONEY HENRY | Harrison County, TX | Oil & Gas Property | May 2025 |
| 29243 | ONYX | Crockett County, TX | Oil & Gas Property | May 2025 |
| 29244 | ONYX | Gonzales County, TX | Oil & Gas Property | May 2025 |
| 29245 | OPAL | Gonzales County, TX | Oil & Gas Property | May 2025 |
| 29246 | OPAL HV | Panola County, TX | Gas Property | May 2025 |
| 29247 | OPEN RANGE 28-29 | Martin County, TX | Oil & Gas Property | May 2025 |
| 29248 | OPEN UNIT | Howard County, TX | Oil & Gas Property | May 2025 |
| 29249 | OPIE | Ector County, TX | Oil & Gas Property | May 2025 |
| 29250 | OPIE TAYLOR | Martin County, TX | Oil & Gas Property | May 2025 |
| 29251 | OPIELA | Karnes County, TX | Oil & Gas Property | May 2025 |
| 29252 | OPIELA A | Karnes County, TX | Oil & Gas Property | May 2025 |
| 29253 | OPIELA UNIT | Karnes County, TX | Oil & Gas Property | May 2025 |
| 29254 | OPPENHEIMER | Frio County, TX | Oil & Gas Property | May 2025 |
| 29255 | OPPENHEIMER 188 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 29256 | OPPENHEIMER JESSIE D | Frio County, TX | Oil & Gas Property | Apr 2022 |
| 29257 | OPTIMUS PRIME | Henderson County, TX | Oil & Gas Property | Dec 2024 |
| 29258 | OPUS | Hill County, TX | Oil & Gas Property | May 2025 |
| 29259 | OQUINN C. F | Rusk County, TX | Oil & Gas Property | Apr 2025 |
| 29260 | ORAN 4 | Palo Pinto County, TX | Oil & Gas Property | May 2025 |
| 29261 | ORAN-PATTON | Palo Pinto County, TX | Oil & Gas Property | Sep 2012 |
| 29262 | ORAND | Freestone County, TX | Oil & Gas Property | May 2025 |
| 29263 | ORAND GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | May 2025 |
| 29264 | ORANGE CRUSH UNIT 9 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 29265 | ORANGE UNIT | Atascosa County, TX | Oil & Gas Property | May 2025 |
| 29266 | ORANSKY M.B. ET AL | Freestone County, TX | Oil & Gas Property | Aug 2024 |
| 29267 | ORBISON 28 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 29268 | ORBIT 51-7-21-16 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 29269 | ORCA UNIT | Brazos County, TX | Oil & Gas Property | May 2025 |
| 29270 | ORCA UNIT NO | Brazos County, TX | Oil & Gas Property | May 2025 |
| 29271 | ORCHARD 40 | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 29272 | ORCHARD L. B | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 29273 | ORD NAN D | Young County, TX | Oil & Gas Property | May 2025 |
| 29274 | OREDIGGER | Howard County, TX | Oil & Gas Property | May 2025 |
| 29275 | OREILLY WA | Ector County, TX | Oil & Gas Property | May 2025 |
| 29276 | OREL HERSHISER 32-41 | Midland County, TX | Oil & Gas Property | May 2025 |
| 29277 | OREL HERSHISER 41-32 | Midland County, TX | Oil & Gas Property | May 2025 |
| 29278 | ORELIA RANCH | Frio County, TX | Oil & Gas Property | May 2025 |
| 29279 | ORELLANA | Irion County, TX | Oil & Gas Property | May 2025 |
| 29280 | OREM | Moore County, TX | Gas Property | May 2025 |
| 29281 | ORGAIN | Liberty County, TX | Oil & Gas Property | Feb 2025 |
| 29282 | ORGAIN B. D | Hardin County, TX | Oil & Gas Property | Dec 2024 |
| 29283 | ORGAIN HEIRS | Bastrop County, TX | Oil & Gas Property | May 2025 |
| 29284 | ORGANIC | Midland County, TX | Oil & Gas Property | May 2025 |
| 29285 | ORIENT 1-12 | Howard County, TX | Oil & Gas Property | May 2025 |
| 29286 | ORIN FORTENBERRY GAS UNIT | Wise County, TX | Oil & Gas Property | Mar 2025 |
| 29287 | ORINGDERFF | Ochiltree County, TX | Oil & Gas Property | May 2025 |
| 29288 | ORINGDERFF EATON | Ochiltree County, TX | Oil & Gas Property | May 2025 |
| 29289 | ORION | Atascosa County, TX | Oil & Gas Property | May 2025 |
| 29290 | ORION | Loving County, TX | Oil & Gas Property | May 2025 |
| 29291 | ORION 1H | Frio County, TX | Oil & Gas Property | May 2025 |
| 29292 | ORION UNIT | Shelby County, TX | Gas Property | May 2025 |
| 29293 | ORIVE A | Starr County, TX | Oil & Gas Property | May 2025 |
| 29294 | ORLA | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 29295 | ORME CHARLSIE | Palo Pinto County, TX | Oil & Gas Property | May 2025 |
| 29296 | ORMS | Gregg County, TX | Oil & Gas Property | May 2025 |
| 29297 | ORMSBY | Johnson County, TX | Oil & Gas Property | May 2025 |
| 29298 | ORO NEGRO UNIT | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 29299 | ORPHEUM | Reeves County, TX | Oil & Gas Property | May 2025 |
| 29300 | ORR A | Karnes County, TX | Oil & Gas Property | May 2025 |