| 29001 | ONA 44-3 | Glasscock County, TX | Oil & Gas Property | Apr 2026 |
| 29002 | ONA BLACK 49 | Wheeler County, TX | Oil & Gas Property | Apr 2026 |
| 29003 | ONAH | Robertson County, TX | Oil & Gas Property | Apr 2026 |
| 29004 | ONAT | Jack County, TX | Oil & Gas Property | Apr 2026 |
| 29005 | ONDRASEK MELVIN | Burleson County, TX | Oil & Gas Property | Jul 1993 |
| 29006 | ONE EYED JOHN 522 | Yoakum County, TX | Oil & Gas Property | Apr 2026 |
| 29007 | ONEAL | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 29008 | ONEAL | Milam County, TX | Oil & Gas Property | Oct 2007 |
| 29009 | ONEAL | Gray County, TX | Oil & Gas Property | Oct 2020 |
| 29010 | ONEAL | Cooke County, TX | Oil & Gas Property | Apr 2026 |
| 29011 | ONEAL | Carson County, TX | Oil & Gas Property | Apr 2026 |
| 29012 | ONEAL | Midland County, TX | Oil & Gas Property | Jan 2024 |
| 29013 | ONEAL B. J. -NORTH | Upton County, TX | Oil & Gas Property | Jan 2017 |
| 29014 | ONEAL B. J. ETAL | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 29015 | ONEAL B.G. ETAL | Stephens County, TX | Oil & Gas Property | Apr 2026 |
| 29016 | ONEAL GAS UNIT | Bee County, TX | Oil & Gas Property | Apr 2026 |
| 29017 | ONEAL SAN ANDRES UNIT | Upton County, TX | Oil & Gas Property | Jan 2017 |
| 29018 | ONEAL, R | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 29019 | ONEAL, W. L | Smith County, TX | Oil & Gas Property | Apr 2026 |
| 29020 | ONEAL,BILL JOHN NE/4 SEC 5 UN | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 29021 | ONEAL-ANNIE 15 | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 29022 | ONEAL-DAVIS 15 | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 29023 | ONEALL | Clay County, TX | Oil & Gas Property | Apr 2026 |
| 29024 | ONEIL | Bee County, TX | Oil & Gas Property | Mar 2026 |
| 29025 | ONEIL | Collingsworth County, TX | Oil & Gas Property | Apr 2026 |
| 29026 | ONEIL | Pecos County, TX | Oil & Gas Property | Dec 2018 |
| 29027 | ONEIL | Cochran County, TX | Oil & Gas Property | Mar 2014 |
| 29028 | ONEIL 4 | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 29029 | ONEY | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 29030 | ONEY HENRY | Harrison County, TX | Oil & Gas Property | Apr 2026 |
| 29031 | ONYX | Crockett County, TX | Oil & Gas Property | Mar 2026 |
| 29032 | ONYX | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 29033 | OPAL | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 29034 | OPAL HV | Panola County, TX | Gas Property | Apr 2026 |
| 29035 | OPAL UNIT 1 | Fayette County, TX | Oil & Gas Property | Apr 2026 |
| 29036 | OPEN RANGE 28-29 | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 29037 | OPEN UNIT | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 29038 | OPIE | Ector County, TX | Oil & Gas Property | Apr 2026 |
| 29039 | OPIE TAYLOR | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 29040 | OPIELA | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29041 | OPIELA A | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29042 | OPIELA UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29043 | OPPENHEIMER | Frio County, TX | Oil & Gas Property | Apr 2026 |
| 29044 | OPPENHEIMER 188 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 29045 | OPPENHEIMER, JESSIE D | Frio County, TX | Oil & Gas Property | Apr 2022 |
| 29046 | OPTIMUS PRIME | Henderson County, TX | Oil & Gas Property | Dec 2024 |
| 29047 | OPUS | Hill County, TX | Oil & Gas Property | Apr 2026 |
| 29048 | OQUINN C. F | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 29049 | ORA NELL UNIT | Fayette County, TX | Oil & Gas Property | Apr 2026 |
| 29050 | ORAN 4 | Palo Pinto County, TX | Oil & Gas Property | Apr 2026 |
| 29051 | ORAND | Freestone County, TX | Oil & Gas Property | Apr 2026 |
| 29052 | ORAND GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | Apr 2026 |
| 29053 | ORANGE CRUSH UNIT 9 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 29054 | ORANGE UNIT | Atascosa County, TX | Oil & Gas Property | Apr 2026 |
| 29055 | ORANSKY M.B. ET AL | Freestone County, TX | Oil & Gas Property | Aug 2024 |
| 29056 | ORBISON 28 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 29057 | ORBIT 51-7-21-16 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 29058 | ORCA | Brazos County, TX | Oil & Gas Property | Mar 2026 |
| 29059 | ORCA UNIT NO | Brazos County, TX | Oil & Gas Property | Mar 2026 |
| 29060 | ORCHARD 40 | Glasscock County, TX | Oil & Gas Property | Apr 2026 |
| 29061 | ORCHARD L. B | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 29062 | ORD NAN D | Young County, TX | Oil & Gas Property | Apr 2026 |
| 29063 | OREDIGGER | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 29064 | OREDIGGER | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 29065 | OREILLY WA | Ector County, TX | Oil & Gas Property | Apr 2026 |
| 29066 | OREL HERSHISER 32-41 | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 29067 | OREL HERSHISER 41-32 | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 29068 | ORELIA RANCH | Frio County, TX | Oil & Gas Property | Apr 2026 |
| 29069 | ORELLANA | Irion County, TX | Oil & Gas Property | Apr 2026 |
| 29070 | OREM | Moore County, TX | Gas Property | Apr 2026 |
| 29071 | ORGAIN | Liberty County, TX | Oil & Gas Property | Apr 2026 |
| 29072 | ORGAIN HEIRS | Bastrop County, TX | Oil & Gas Property | Apr 2026 |
| 29073 | ORGANIC | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 29074 | ORIENT 1-12 | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 29075 | ORIN FORTENBERRY GAS UNIT | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 29076 | ORINGDERFF | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 29077 | ORINGDERFF EATON | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 29078 | ORION | Atascosa County, TX | Oil & Gas Property | Apr 2026 |
| 29079 | ORION | Loving County, TX | Oil & Gas Property | Apr 2026 |
| 29080 | ORION UNIT | Shelby County, TX | Gas Property | Apr 2026 |
| 29081 | ORIVE A | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 29082 | ORLA | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 29083 | ORME CHARLSIE | Palo Pinto County, TX | Oil & Gas Property | Apr 2026 |
| 29084 | ORMS | Gregg County, TX | Oil & Gas Property | Apr 2026 |
| 29085 | ORMSBY | Johnson County, TX | Oil & Gas Property | Apr 2026 |
| 29086 | ORO NEGRO UNIT | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 29087 | ORPHEUM | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 29088 | ORR A | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29089 | ORR B | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29090 | ORR C | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29091 | ORR D | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29092 | ORR J. B | Upshur County, TX | Oil & Gas Property | Dec 2021 |
| 29093 | ORR RANCH UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29094 | ORR ROBERT | Milam County, TX | Oil & Gas Property | Apr 2026 |
| 29095 | ORR UNIT | Marion County, TX | Oil & Gas Property | Apr 2026 |
| 29096 | ORR UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 29097 | ORR UNIT | Ellis County, TX | Gas Property | Apr 2026 |
| 29098 | ORR WILLIAM | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 29099 | ORR WM | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 29100 | ORR WM. -A- UNIT 2C | Wise County, TX | Gas Property | Apr 2026 |