| 29001 | ORR WM | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 29002 | ORR WM. -A- UNIT 2C | Wise County, TX | Gas Property | Jan 2026 |
| 29003 | ORR-BURKS GU | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 29004 | ORR-TIPPS | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 29005 | ORSBORN | King County, TX | Oil & Gas Property | Feb 2025 |
| 29006 | ORSON | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 29007 | ORSON | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 29008 | ORSON-BILLY 139 | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 29009 | ORTEGA | Reagan County, TX | Oil & Gas Property | Jan 2026 |
| 29010 | ORTHA JONES 41 | Ochiltree County, TX | Oil & Gas Property | Jan 2026 |
| 29011 | ORTHRUS UNIT | Borden County, TX | Oil & Gas Property | Jan 2026 |
| 29012 | ORTIZ RANCH | Webb County, TX | Oil & Gas Property | Jan 2026 |
| 29013 | ORTMANN | Wilson County, TX | Oil & Gas Property | Jan 2026 |
| 29014 | ORTON | Clay County, TX | Oil & Gas Property | Jan 2026 |
| 29015 | ORTON A | Archer County, TX | Oil & Gas Property | Jan 2026 |
| 29016 | ORTON UNIT | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 29017 | ORTS H.P | Gonzales County, TX | Oil & Gas Property | Jan 2026 |
| 29018 | ORVIS 37 | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 29019 | ORYX | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 29020 | ORYX 13 | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 29021 | ORYX 53-2-12 | Loving County, TX | Oil & Gas Property | Jan 2026 |
| 29022 | ORYX FEE | Hardin County, TX | Oil Property | Jan 2026 |
| 29023 | ORYX HUNTER | Lavaca County, TX | Oil & Gas Property | Jan 2026 |
| 29024 | ORYX ROAN STATE | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 29025 | ORYX-AKIN | Gregg County, TX | Oil & Gas Property | Jan 2026 |
| 29026 | ORYX-SUN FEE | Chambers County, TX | Oil & Gas Property | Aug 2024 |
| 29027 | OSAGE UNIT | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 29028 | OSBORN | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 29029 | OSBORNE | Ochiltree County, TX | Oil & Gas Property | Aug 2024 |
| 29030 | OSBORNE | Roberts County, TX | Oil & Gas Property | Jan 2026 |
| 29031 | OSBORNE | Panola County, TX | Oil & Gas Property | Nov 2025 |
| 29032 | OSBORNE | Eastland County, TX | Oil & Gas Property | Oct 2025 |
| 29033 | OSBORNE | Tyler County, TX | Oil & Gas Property | Jan 2026 |
| 29034 | OSBORNE | Madison County, TX | Oil & Gas Property | Jan 2026 |
| 29035 | OSBORNE | Sherman County, TX | Oil & Gas Property | Jan 2026 |
| 29036 | OSBORNE | Carson County, TX | Gas Property | Jan 2026 |
| 29037 | OSBORNE | Gray County, TX | Gas Property | Dec 2024 |
| 29038 | OSBORNE | Gray County, TX | Oil & Gas Property | Jan 2026 |
| 29039 | OSBORNE HEIRS | Harrison County, TX | Oil & Gas Property | Oct 2025 |
| 29040 | OSBURN | Johnson County, TX | Oil & Gas Property | Jan 2026 |
| 29041 | OSBURN | Concho County, TX | Oil Property | Jul 2021 |
| 29042 | OSBURN WENDELL | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 29043 | OSCAR | Scurry County, TX | Oil & Gas Property | Jan 2026 |
| 29044 | OSCEOLA MCELROY HEIRS (AW) | Harrison County, TX | Oil & Gas Property | Jan 2026 |
| 29045 | OSCEOLA-ELDRIDGE BIVINS (AW) 1H | Harrison County, TX | Oil & Gas Property | Jan 2026 |
| 29046 | OSIKA | Jack County, TX | Oil & Gas Property | Jun 2013 |
| 29047 | OSINA | Fayette County, TX | Oil & Gas Property | Jan 2026 |
| 29048 | OSIRIS 7-1-62 | Mitchell County, TX | Oil & Gas Property | Jan 2026 |
| 29049 | OSLER | Tarrant County, TX | Gas Property | Jan 2026 |
| 29050 | OSO 1H | Winkler County, TX | Oil & Gas Property | Jan 2026 |
| 29051 | OSPREY | Jim Hogg County, TX | Oil & Gas Property | Nov 2023 |
| 29052 | OSPREY | Tarrant County, TX | Gas Property | Jan 2026 |
| 29053 | OSPREY STATE UNIT | Loving County, TX | Oil & Gas Property | Jan 2026 |
| 29054 | OSPREY STATE WEST UNIT | Pecos County, TX | Oil & Gas Property | Jan 2026 |
| 29055 | OSPREY UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 29056 | OSR-HALLIDAY | Madison County, TX | Oil & Gas Property | Dec 2025 |
| 29057 | OSR/KIRBY | Reagan County, TX | Oil & Gas Property | Aug 2025 |
| 29058 | OSTEEN W. N | Caldwell County, TX | Oil & Gas Property | Dec 2025 |
| 29059 | OSTRANDER | Irion County, TX | Oil & Gas Property | Jan 2026 |
| 29060 | OSTRICH UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 29061 | OTB BLAGRAVE 1 | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 29062 | OTB JOHNSON F | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 29063 | OTB OBRIEN 43 | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 29064 | OTEN WILL | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 29065 | OTHER JEFFREY LEBOWSKI | Wilson County, TX | Oil & Gas Property | Jan 2026 |
| 29066 | OTHOLD-MARTINSEN (SA) UNIT | Lavaca County, TX | Oil & Gas Property | Jan 2026 |
| 29067 | OTIS | Ector County, TX | Oil & Gas Property | Apr 2012 |
| 29068 | OTIS | Palo Pinto County, TX | Oil & Gas Property | Jan 2026 |
| 29069 | OTIS | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 29070 | OTIS PHILLIPS | Moore County, TX | Oil & Gas Property | Jan 2026 |
| 29071 | OTRA BACA | Johnson County, TX | Gas Property | Aug 2024 |
| 29072 | OTT C.E. ET AL | Galveston County, TX | Oil & Gas Property | Feb 2015 |
| 29073 | OTTER 139-138 UNIT | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 29074 | OTTERHOUND HCX | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 29075 | OTTO | Cooke County, TX | Oil & Gas Property | Jan 2026 |
| 29076 | OTTO | Grayson County, TX | Oil & Gas Property | Jan 2026 |
| 29077 | OTTO | Gonzales County, TX | Oil & Gas Property | Dec 2025 |
| 29078 | OTTO | Cooke County, TX | Oil & Gas Property | Jan 2026 |
| 29079 | OTTO 1H | Webb County, TX | Oil & Gas Property | Jan 2026 |
| 29080 | OTTO GAS UNIT NO. 1 | Kleberg County, TX | Oil & Gas Property | Dec 2023 |
| 29081 | OTTO MAX | Atascosa County, TX | Oil & Gas Property | Oct 2015 |
| 29082 | OTTO UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2026 |
| 29083 | OTTO UNIT 1H | McMullen County, TX | Gas Property | Jan 2026 |
| 29084 | OTTO-WHIPPLE | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 29085 | OUIDA WILSON 45 | Roberts County, TX | Oil & Gas Property | Jan 2026 |
| 29086 | OURAY STATE | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 29087 | OUT OF YOUR ELEMENT | Wilson County, TX | Oil & Gas Property | Jan 2026 |
| 29088 | OUTLAW 55-1-30 UNIT 1H | Loving County, TX | Oil & Gas Property | Jan 2026 |
| 29089 | OUTTERSIDE A. J | Galveston County, TX | Oil & Gas Property | Jan 2026 |
| 29090 | OV UNIT | Dawson County, TX | Oil & Gas Property | Jan 2026 |
| 29091 | OVERALL | Coleman County, TX | Oil & Gas Property | Jan 2026 |
| 29092 | OVERBEY | Wichita County, TX | Oil & Gas Property | Dec 2025 |
| 29093 | OVERBY | Wichita County, TX | Oil & Gas Property | Jan 2026 |
| 29094 | OVERBY C. J | Karnes County, TX | Oil & Gas Property | Apr 2015 |
| 29095 | OVERBY GAS UNIT 2E | Bee County, TX | Oil & Gas Property | Jan 2026 |
| 29096 | OVERCASH | Throckmorton County, TX | Oil & Gas Property | Dec 2025 |
| 29097 | OVERLORD 21-56 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 29098 | OVERSHOWN GAS UNIT | Houston County, TX | Oil & Gas Property | Jan 2026 |
| 29099 | OVERSTREET | Cooke County, TX | Oil Property | Jan 2026 |
| 29100 | OVERSTREET | Polk County, TX | Oil & Gas Property | Apr 2025 |