| 29101 | OSO 1H | Winkler County, TX | Oil & Gas Property | Jun 2026 |
| 29102 | OSPREY | Jim Hogg County, TX | Oil & Gas Property | Nov 2023 |
| 29103 | OSPREY | Tarrant County, TX | Gas Property | Jun 2026 |
| 29104 | OSPREY STATE UNIT | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 29105 | OSR-HALLIDAY | Madison County, TX | Oil & Gas Property | May 2026 |
| 29106 | OSR/KIRBY | Reagan County, TX | Oil & Gas Property | Aug 2025 |
| 29107 | OSTEEN W. N | Caldwell County, TX | Oil & Gas Property | Dec 2025 |
| 29108 | OSTRANDER | Irion County, TX | Oil & Gas Property | Jun 2026 |
| 29109 | OSTRICH UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 29110 | OTB BLAGRAVE 1 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 29111 | OTB JOHNSON F | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 29112 | OTB OBRIEN 43 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 29113 | OTEN WILL | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 29114 | OTHER JEFFREY LEBOWSKI | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 29115 | OTHOLD-MARTINSEN (SA) UNIT | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 29116 | OTIS | Ector County, TX | Oil & Gas Property | Apr 2012 |
| 29117 | OTIS | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 29118 | OTIS | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 29119 | OTIS PHILLIPS | Moore County, TX | Oil & Gas Property | Jun 2026 |
| 29120 | OTRA BACA | Johnson County, TX | Gas Property | Aug 2024 |
| 29121 | OTT C.E. ET AL | Galveston County, TX | Oil & Gas Property | Feb 2015 |
| 29122 | OTTER 139-138 UNIT | Reeves County, TX | Oil & Gas Property | May 2026 |
| 29123 | OTTER UNIT | Milam County, TX | Oil & Gas Property | Jun 2026 |
| 29124 | OTTERHOUND HCX | Burleson County, TX | Oil & Gas Property | May 2026 |
| 29125 | OTTO | Cooke County, TX | Oil & Gas Property | Jun 2026 |
| 29126 | OTTO | Grayson County, TX | Oil & Gas Property | Jun 2026 |
| 29127 | OTTO | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 29128 | OTTO | Cooke County, TX | Oil & Gas Property | Feb 2026 |
| 29129 | OTTO 1H | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29130 | OTTO GAS UNIT NO. 1 | Kleberg County, TX | Oil & Gas Property | Dec 2023 |
| 29131 | OTTO MAX | Atascosa County, TX | Oil & Gas Property | Oct 2015 |
| 29132 | OTTO UNIT | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 29133 | OTTO UNIT 1H | McMullen County, TX | Gas Property | Jun 2026 |
| 29134 | OTTO-WHIPPLE | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 29135 | OUIDA WILSON 45 | Roberts County, TX | Oil & Gas Property | Jun 2026 |
| 29136 | OURAY STATE | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 29137 | OUT OF YOUR ELEMENT | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 29138 | OUTLAW 55-1-30 UNIT 1H | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 29139 | OUTTERSIDE A. J | Galveston County, TX | Oil & Gas Property | Jun 2026 |
| 29140 | OV UNIT | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 29141 | OVER THE LINE | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 29142 | OVERALL | Coleman County, TX | Oil & Gas Property | Jun 2026 |
| 29143 | OVERBEY | Wichita County, TX | Oil & Gas Property | Jun 2026 |
| 29144 | OVERBY | Wichita County, TX | Oil & Gas Property | Jun 2026 |
| 29145 | OVERBY C. J | Karnes County, TX | Oil & Gas Property | Apr 2015 |
| 29146 | OVERBY GAS UNIT 2E | Bee County, TX | Oil & Gas Property | Jun 2026 |
| 29147 | OVERCASH | Throckmorton County, TX | Oil & Gas Property | May 2026 |
| 29148 | OVERLORD 21-56 | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 29149 | OVERSHOWN GAS UNIT | Houston County, TX | Oil & Gas Property | Jun 2026 |
| 29150 | OVERSTREET | Cooke County, TX | Oil Property | Jun 2026 |
| 29151 | OVERTON | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 29152 | OVERTON | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 29153 | OVERTON | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 29154 | OVERTON BEN | Brown County, TX | Oil & Gas Property | Jun 2026 |
| 29155 | OVERTON G | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 29156 | OVERTON NE (PETTIT -A-) UNIT | Rusk County, TX | Oil & Gas Property | May 2026 |
| 29157 | OWEN | Moore County, TX | Oil & Gas Property | May 2026 |
| 29158 | OWEN | Johnson County, TX | Oil & Gas Property | Jun 2026 |
| 29159 | OWEN | Burleson County, TX | Oil & Gas Property | Jun 2026 |
| 29160 | OWEN | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29161 | OWEN | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 29162 | OWEN | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 29163 | OWEN | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 29164 | OWEN | Young County, TX | Oil & Gas Property | Jun 2026 |
| 29165 | OWEN | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29166 | OWEN F | Burleson County, TX | Oil & Gas Property | May 2022 |
| 29167 | OWEN GMB | Harrison County, TX | Gas Property | Jun 2026 |
| 29168 | OWEN J | Ellis County, TX | Oil & Gas Property | Jun 2026 |
| 29169 | OWEN J.D. GAS UNIT | Bowie County, TX | Oil & Gas Property | Feb 2018 |
| 29170 | OWEN RHB 1H | Harrison County, TX | Gas Property | Jun 2026 |
| 29171 | OWEN-BERRY | Cooke County, TX | Oil Property | Jun 2026 |
| 29172 | OWEN-BRISCOE | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29173 | OWEN-BRISCOE STATE-WCSL GU B 2H | Webb County, TX | Gas Property | Jun 2026 |
| 29174 | OWEN-CHALK | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 29175 | OWEN-STATE 1 | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29176 | OWENS | Jack County, TX | Oil & Gas Property | Sep 2021 |
| 29177 | OWENS | Colorado County, TX | Oil & Gas Property | Jun 2026 |
| 29178 | OWENS | Cass County, TX | Oil & Gas Property | Jun 2026 |
| 29179 | OWENS | Johnson County, TX | Oil & Gas Property | May 2026 |
| 29180 | OWENS | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 29181 | OWENS | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 29182 | OWENS | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 29183 | OWENS | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 29184 | OWENS | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 29185 | OWENS | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29186 | OWENS | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 29187 | OWENS | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 29188 | OWENS | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 29189 | OWENS | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 29190 | OWENS | Young County, TX | Oil & Gas Property | Jan 2022 |
| 29191 | OWENS | Wilbarger County, TX | Oil & Gas Property | May 2026 |
| 29192 | OWENS | Shackelford County, TX | Oil & Gas Property | Jun 2026 |
| 29193 | OWENS & SNOOT | Crane County, TX | Oil & Gas Property | May 2020 |
| 29194 | OWENS 1-75 LOV | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 29195 | OWENS C | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 29196 | OWENS E. ARLEIGH | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29197 | OWENS FELMONT | Upton County, TX | Oil & Gas Property | Jul 2022 |
| 29198 | OWENS GAS UNIT | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 29199 | OWENS M. J | Wichita County, TX | Oil & Gas Property | Apr 2026 |
| 29200 | OWENS MACK | Jones County, TX | Oil & Gas Property | Feb 2016 |