| 30201 | OSR/KIRBY | Reagan County, TX | Oil & Gas Property | Jun 2025 |
| 30202 | OSTEEN W. N | Caldwell County, TX | Oil & Gas Property | Oct 2024 |
| 30203 | OSTRANDER | Irion County, TX | Oil & Gas Property | Nov 2025 |
| 30204 | OSTRICH UNIT | Atascosa County, TX | Oil & Gas Property | Nov 2025 |
| 30205 | OTB BLAGRAVE 1 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 30206 | OTB JOHNSON F | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 30207 | OTB OBRIEN 43 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 30208 | OTEN WILL | Rusk County, TX | Oil & Gas Property | Nov 2025 |
| 30209 | OTHER JEFFREY LEBOWSKI | Wilson County, TX | Oil & Gas Property | Nov 2025 |
| 30210 | OTHOLD-MARTINSEN (SA) UNIT | Lavaca County, TX | Oil & Gas Property | Nov 2025 |
| 30211 | OTIS | Ector County, TX | Oil & Gas Property | Apr 2012 |
| 30212 | OTIS | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 30213 | OTIS | Howard County, TX | Oil & Gas Property | Nov 2025 |
| 30214 | OTIS MEEK A GU 1H | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 30215 | OTIS PHILLIPS | Moore County, TX | Oil & Gas Property | Nov 2025 |
| 30216 | OTRA BACA | Johnson County, TX | Gas Property | Nov 2025 |
| 30217 | OTT C.E. ET AL | Galveston County, TX | Oil & Gas Property | Feb 2015 |
| 30218 | OTTER 139-138 UNIT | Reeves County, TX | Oil & Gas Property | Oct 2025 |
| 30219 | OTTER UNIT | Milam County, TX | Oil & Gas Property | Nov 2025 |
| 30220 | OTTERHOUND HCX | Burleson County, TX | Oil & Gas Property | Oct 2025 |
| 30221 | OTTO | Cooke County, TX | Oil & Gas Property | Nov 2025 |
| 30222 | OTTO | Grayson County, TX | Oil & Gas Property | Nov 2025 |
| 30223 | OTTO | Gonzales County, TX | Oil & Gas Property | Nov 2025 |
| 30224 | OTTO | Cooke County, TX | Oil & Gas Property | Nov 2025 |
| 30225 | OTTO 1H | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30226 | OTTO GAS UNIT NO. 1 | Kleberg County, TX | Oil & Gas Property | Dec 2023 |
| 30227 | OTTO MAX | Atascosa County, TX | Oil & Gas Property | Oct 2015 |
| 30228 | OTTO UNIT | Gonzales County, TX | Oil & Gas Property | Nov 2025 |
| 30229 | OTTO UNIT 1H | McMullen County, TX | Gas Property | Nov 2025 |
| 30230 | OTTO-WHIPPLE | McMullen County, TX | Oil & Gas Property | Nov 2025 |
| 30231 | OUIDA WILSON 45 | Roberts County, TX | Oil & Gas Property | Nov 2025 |
| 30232 | OURAY STATE | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 30233 | OUTLAW 55-1-30 UNIT 1H | Loving County, TX | Oil & Gas Property | Nov 2025 |
| 30234 | OUTTERSIDE A. J | Galveston County, TX | Oil & Gas Property | Oct 2025 |
| 30235 | OV UNIT | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 30236 | OVERALL | Coleman County, TX | Oil & Gas Property | Oct 2025 |
| 30237 | OVERBEY | Wichita County, TX | Oil & Gas Property | Nov 2025 |
| 30238 | OVERBY | Wichita County, TX | Oil & Gas Property | Oct 2025 |
| 30239 | OVERBY C. J | Karnes County, TX | Oil & Gas Property | Apr 2015 |
| 30240 | OVERBY GAS UNIT 2E | Bee County, TX | Oil & Gas Property | Nov 2025 |
| 30241 | OVERCASH | Throckmorton County, TX | Oil & Gas Property | Nov 2025 |
| 30242 | OVERPASS 1 | Jackson County, TX | Oil & Gas Property | Nov 2025 |
| 30243 | OVERSHOWN GAS UNIT | Houston County, TX | Oil & Gas Property | Nov 2025 |
| 30244 | OVERSTREET | Cooke County, TX | Oil Property | Nov 2025 |
| 30245 | OVERSTREET | Polk County, TX | Oil & Gas Property | Apr 2025 |
| 30246 | OVERTON | Smith County, TX | Oil & Gas Property | Nov 2025 |
| 30247 | OVERTON | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 30248 | OVERTON | Glasscock County, TX | Oil & Gas Property | Nov 2025 |
| 30249 | OVERTON BEN | Brown County, TX | Oil & Gas Property | Nov 2025 |
| 30250 | OVERTON G | Rusk County, TX | Oil & Gas Property | Nov 2025 |
| 30251 | OVERTON NE (PETTIT -A-) UNIT | Rusk County, TX | Oil & Gas Property | Nov 2025 |
| 30252 | OVMLC | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 30253 | OWEN | Moore County, TX | Oil & Gas Property | Nov 2025 |
| 30254 | OWEN | Johnson County, TX | Oil & Gas Property | Nov 2025 |
| 30255 | OWEN | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 30256 | OWEN | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30257 | OWEN | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 30258 | OWEN | Ector County, TX | Oil & Gas Property | Nov 2025 |
| 30259 | OWEN | Jack County, TX | Oil & Gas Property | Nov 2025 |
| 30260 | OWEN | Young County, TX | Oil & Gas Property | Nov 2025 |
| 30261 | OWEN | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30262 | OWEN CHALK | Howard County, TX | Oil & Gas Property | Nov 2025 |
| 30263 | OWEN F | Burleson County, TX | Oil & Gas Property | May 2022 |
| 30264 | OWEN GMB | Harrison County, TX | Gas Property | Nov 2025 |
| 30265 | OWEN J | Ellis County, TX | Oil & Gas Property | Aug 2025 |
| 30266 | OWEN J.D. GAS UNIT | Bowie County, TX | Oil & Gas Property | Feb 2018 |
| 30267 | OWEN RHB 1H | Harrison County, TX | Gas Property | Nov 2025 |
| 30268 | OWEN-BERRY | Cooke County, TX | Oil Property | Nov 2025 |
| 30269 | OWEN-BRISCOE | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30270 | OWEN-BRISCOE STATE-WCSL GU B 2H | Webb County, TX | Gas Property | Nov 2025 |
| 30271 | OWEN-STATE 1 | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30272 | OWENS | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 30273 | OWENS | Jack County, TX | Oil & Gas Property | Sep 2021 |
| 30274 | OWENS | Colorado County, TX | Oil & Gas Property | Oct 2025 |
| 30275 | OWENS | Cass County, TX | Oil & Gas Property | Nov 2025 |
| 30276 | OWENS | Johnson County, TX | Oil & Gas Property | Nov 2025 |
| 30277 | OWENS | Lee County, TX | Oil & Gas Property | Nov 2025 |
| 30278 | OWENS | Crockett County, TX | Oil & Gas Property | Nov 2025 |
| 30279 | OWENS | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 30280 | OWENS | Panola County, TX | Oil & Gas Property | Nov 2025 |
| 30281 | OWENS | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30282 | OWENS | Ochiltree County, TX | Oil & Gas Property | Nov 2025 |
| 30283 | OWENS | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 30284 | OWENS | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 30285 | OWENS | Panola County, TX | Oil & Gas Property | Nov 2025 |
| 30286 | OWENS | Reagan County, TX | Oil & Gas Property | Nov 2025 |
| 30287 | OWENS | Wilbarger County, TX | Oil & Gas Property | Nov 2025 |
| 30288 | OWENS | Shackelford County, TX | Oil & Gas Property | Nov 2025 |
| 30289 | OWENS & SNOOT | Crane County, TX | Oil Property | Jan 2020 |
| 30290 | OWENS 1 | San Augustine County, TX | Gas Property | Nov 2025 |
| 30291 | OWENS 1-75 LOV | Loving County, TX | Oil & Gas Property | Nov 2025 |
| 30292 | OWENS C | Freestone County, TX | Oil & Gas Property | Nov 2025 |
| 30293 | OWENS E. ARLEIGH | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30294 | OWENS FELMONT | Upton County, TX | Oil & Gas Property | Jul 2022 |
| 30295 | OWENS GAS UNIT | Freestone County, TX | Oil & Gas Property | Nov 2025 |
| 30296 | OWENS M. J | Wichita County, TX | Oil & Gas Property | Nov 2025 |
| 30297 | OWENS MACK | Jones County, TX | Oil & Gas Property | Feb 2016 |
| 30298 | OWENS NELLIE | Panola County, TX | Oil & Gas Property | Nov 2025 |
| 30299 | OWENS T.B. GAS UNIT | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 30300 | OWENS UNIT | Denton County, TX | Oil & Gas Property | Nov 2025 |