| 29001 | OPUS | Hill County, TX | Oil & Gas Property | Jun 2026 |
| 29002 | OQUINN C. F | Rusk County, TX | Oil & Gas Property | May 2026 |
| 29003 | ORA NELL UNIT | Fayette County, TX | Oil & Gas Property | Jun 2026 |
| 29004 | ORAN 4 | Palo Pinto County, TX | Oil & Gas Property | May 2026 |
| 29005 | ORAND | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 29006 | ORAND GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 29007 | ORANGE CRUSH UNIT 9 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 29008 | ORANGE UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 29009 | ORANSKY M.B. ET AL | Freestone County, TX | Oil & Gas Property | Aug 2024 |
| 29010 | ORBISON 28 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 29011 | ORBIT 51-7-21-16 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 29012 | ORCA | Brazos County, TX | Oil & Gas Property | May 2026 |
| 29013 | ORCA EAGLEFORD UNIT | Brazos County, TX | Oil & Gas Property | May 2026 |
| 29014 | ORCA UNIT NO | Brazos County, TX | Oil & Gas Property | May 2026 |
| 29015 | ORCHARD 40 | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 29016 | ORCHARD L. B | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 29017 | ORD NAN D | Young County, TX | Oil & Gas Property | Jun 2026 |
| 29018 | OREDIGGER | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 29019 | OREDIGGER | Howard County, TX | Oil & Gas Property | May 2026 |
| 29020 | OREILLY WA | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 29021 | OREL HERSHISER 32-41 | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 29022 | OREL HERSHISER 41-32 | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 29023 | ORELIA RANCH | Frio County, TX | Oil & Gas Property | Jun 2026 |
| 29024 | ORELLANA | Irion County, TX | Oil & Gas Property | Jun 2026 |
| 29025 | OREM | Moore County, TX | Gas Property | Jun 2026 |
| 29026 | ORGAIN | Liberty County, TX | Oil & Gas Property | May 2026 |
| 29027 | ORGAIN HEIRS | Bastrop County, TX | Oil & Gas Property | May 2026 |
| 29028 | ORGANIC | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 29029 | ORIENT 1-12 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 29030 | ORIN FORTENBERRY GAS UNIT | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 29031 | ORINGDERFF | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 29032 | ORINGDERFF EATON | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 29033 | ORION | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 29034 | ORION | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 29035 | ORION 1H | Frio County, TX | Oil & Gas Property | Jun 2026 |
| 29036 | ORIVE A | Starr County, TX | Oil & Gas Property | May 2026 |
| 29037 | ORLA | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 29038 | ORME CHARLSIE | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 29039 | ORMS | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 29040 | ORMSBY | Johnson County, TX | Oil & Gas Property | May 2026 |
| 29041 | ORO NEGRO UNIT | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 29042 | ORPHEUM | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 29043 | ORR A | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 29044 | ORR B | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 29045 | ORR C | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 29046 | ORR D | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 29047 | ORR J. B | Upshur County, TX | Oil & Gas Property | Dec 2021 |
| 29048 | ORR RANCH UNIT | Karnes County, TX | Oil & Gas Property | May 2026 |
| 29049 | ORR ROBERT | Milam County, TX | Oil & Gas Property | Jun 2026 |
| 29050 | ORR UNIT | Marion County, TX | Oil & Gas Property | Jun 2026 |
| 29051 | ORR UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 29052 | ORR UNIT | Ellis County, TX | Gas Property | May 2026 |
| 29053 | ORR WILLIAM | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 29054 | ORR WM | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 29055 | ORR WM. -A- UNIT 2C | Wise County, TX | Gas Property | Jun 2026 |
| 29056 | ORR-BURKS GU | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 29057 | ORR-TIPPS | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 29058 | ORSBORN | King County, TX | Oil & Gas Property | Feb 2025 |
| 29059 | ORSON | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 29060 | ORSON | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 29061 | ORSON-BILLY 139 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 29062 | ORTEGA | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 29063 | ORTHA JONES 41 | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 29064 | ORTHRUS UNIT | Borden County, TX | Oil & Gas Property | Jun 2026 |
| 29065 | ORTIZ RANCH | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 29066 | ORTMANN | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 29067 | ORTON | Clay County, TX | Oil & Gas Property | Jun 2026 |
| 29068 | ORTON A | Archer County, TX | Oil & Gas Property | Jun 2026 |
| 29069 | ORTON UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 29070 | ORTS H.P | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 29071 | ORVIS 37 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 29072 | ORYX | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 29073 | ORYX 13 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 29074 | ORYX 53-2-12 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 29075 | ORYX FEE | Hardin County, TX | Oil Property | May 2026 |
| 29076 | ORYX HUNTER | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 29077 | ORYX ROAN STATE | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 29078 | ORYX-AKIN | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 29079 | ORYX-SUN FEE | Chambers County, TX | Oil & Gas Property | Aug 2024 |
| 29080 | OSAGE UNIT | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 29081 | OSBORN | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 29082 | OSBORNE | Ochiltree County, TX | Oil & Gas Property | Aug 2024 |
| 29083 | OSBORNE | Roberts County, TX | Oil & Gas Property | Jun 2026 |
| 29084 | OSBORNE | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 29085 | OSBORNE | Eastland County, TX | Oil & Gas Property | Oct 2025 |
| 29086 | OSBORNE | Tyler County, TX | Oil & Gas Property | Jun 2026 |
| 29087 | OSBORNE | Madison County, TX | Oil & Gas Property | Jun 2026 |
| 29088 | OSBORNE | Sherman County, TX | Oil & Gas Property | Jun 2026 |
| 29089 | OSBORNE | Carson County, TX | Gas Property | Jun 2026 |
| 29090 | OSBORNE | Gray County, TX | Gas Property | Dec 2024 |
| 29091 | OSBORNE | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 29092 | OSBORNE HEIRS | Harrison County, TX | Oil & Gas Property | May 2026 |
| 29093 | OSBURN | Johnson County, TX | Oil & Gas Property | May 2026 |
| 29094 | OSBURN | Concho County, TX | Oil Property | Jul 2021 |
| 29095 | OSBURN WENDELL | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 29096 | OSCAR | Scurry County, TX | Oil & Gas Property | Jun 2026 |
| 29097 | OSCEOLA MCELROY HEIRS (AW) | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 29098 | OSCEOLA-ELDRIDGE BIVINS (AW) 1H | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 29099 | OSIKA | Jack County, TX | Oil & Gas Property | Jun 2013 |
| 29100 | OSLER | Tarrant County, TX | Gas Property | Jun 2026 |