| 30001 | OLMITOS | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 30002 | OLOUGHLIN | Hansford County, TX | Oil & Gas Property | Nov 2025 |
| 30003 | OLOUGHLIN | Hansford County, TX | Oil & Gas Property | Nov 2025 |
| 30004 | OLSEN BROWN 2 | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 30005 | OLSEN ET AL | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 30006 | OLSON | Ward County, TX | Oil & Gas Property | Nov 2025 |
| 30007 | OLSON | Crockett County, TX | Oil & Gas Property | Oct 2025 |
| 30008 | OLSON | Bee County, TX | Oil & Gas Property | Nov 2016 |
| 30009 | OLSON | Jones County, TX | Oil Property | Jan 2025 |
| 30010 | OLSON ESSE-KENNEDY SA | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 30011 | OLSON JO | Matagorda County, TX | Oil & Gas Property | Nov 2025 |
| 30012 | OLSON STATE 57-T2-6 1H | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 30013 | OLSON, R.H | Bastrop County, TX | Oil & Gas Property | Nov 2025 |
| 30014 | OLSON-BAKER UNIT | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 30015 | OLSON-BKR-GNZLS U | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 30016 | OLSON-ESSE UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 30017 | OLSON-GAP | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 30018 | OLSSON | Moore County, TX | Gas Property | Jul 2025 |
| 30019 | OLTMANN | Madison County, TX | Oil & Gas Property | Oct 2025 |
| 30020 | OLUFSEN | Howard County, TX | Oil & Gas Property | Jul 2023 |
| 30021 | OLYMPIA 57-56 | Fisher County, TX | Oil & Gas Property | Nov 2025 |
| 30022 | OLYMPIC | Gonzales County, TX | Oil & Gas Property | Nov 2025 |
| 30023 | OLYMPIC 54-2-7 | Loving County, TX | Oil & Gas Property | Nov 2025 |
| 30024 | OLYMPUS | Lipscomb County, TX | Oil & Gas Property | Nov 2025 |
| 30025 | OLYPHANT 57-T1-43X42 1H | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 30026 | OMA MCMICHAEL GAS UNIT | Freestone County, TX | Oil & Gas Property | Nov 2025 |
| 30027 | OMAHA | Irion County, TX | Oil & Gas Property | Nov 2025 |
| 30028 | OMAHA 11 | Reeves County, TX | Oil & Gas Property | Oct 2025 |
| 30029 | OMAHA 15 | Hemphill County, TX | Oil & Gas Property | Nov 2025 |
| 30030 | OMAHA 175-176 | Ward County, TX | Oil & Gas Property | Nov 2025 |
| 30031 | OMALLEY 1 | Washington County, TX | Oil & Gas Property | Nov 2025 |
| 30032 | OMAN | Jones County, TX | Oil Property | Jan 2022 |
| 30033 | OMAN KAROLYN | Shackelford County, TX | Oil & Gas Property | Dec 2019 |
| 30034 | OMEGA UNIT | Gonzales County, TX | Oil & Gas Property | Nov 2025 |
| 30035 | OMNI-FRAZIER | Denton County, TX | Oil & Gas Property | Nov 2025 |
| 30036 | OMOHUNDRO | Wichita County, TX | Oil & Gas Property | Oct 2025 |
| 30037 | ONA 44-3 | Glasscock County, TX | Oil & Gas Property | Nov 2025 |
| 30038 | ONA BLACK 49 | Wheeler County, TX | Oil & Gas Property | Nov 2025 |
| 30039 | ONAH | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 30040 | ONAT | Jack County, TX | Oil & Gas Property | Oct 2025 |
| 30041 | ONDRASEK MELVIN | Burleson County, TX | Oil & Gas Property | Jul 1993 |
| 30042 | ONDRASEK OL UNIT | Burleson County, TX | Oil & Gas Property | Oct 2025 |
| 30043 | ONE EYED JOHN 522 | Yoakum County, TX | Oil & Gas Property | Nov 2025 |
| 30044 | ONEAL | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 30045 | ONEAL | Milam County, TX | Oil & Gas Property | Oct 2007 |
| 30046 | ONEAL | Gray County, TX | Oil & Gas Property | Feb 2022 |
| 30047 | ONEAL | Cooke County, TX | Oil & Gas Property | Nov 2025 |
| 30048 | ONEAL | Carson County, TX | Oil & Gas Property | Nov 2025 |
| 30049 | ONEAL | Midland County, TX | Oil & Gas Property | Jan 2024 |
| 30050 | ONEAL B. J. -NORTH | Upton County, TX | Oil & Gas Property | Jan 2017 |
| 30051 | ONEAL B. J. ETAL | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 30052 | ONEAL B.G. ETAL | Stephens County, TX | Oil & Gas Property | Nov 2025 |
| 30053 | ONEAL GAS UNIT | Bee County, TX | Oil & Gas Property | Nov 2025 |
| 30054 | ONEAL SAN ANDRES UNIT | Upton County, TX | Oil & Gas Property | Jan 2017 |
| 30055 | ONEAL, W. L | Smith County, TX | Oil & Gas Property | Nov 2025 |
| 30056 | ONEAL,BILL JOHN NE/4 SEC 5 UN | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 30057 | ONEAL-ANNIE 15 | Midland County, TX | Oil & Gas Property | Nov 2025 |
| 30058 | ONEAL-DAVIS 15 | Midland County, TX | Oil & Gas Property | Nov 2025 |
| 30059 | ONEALL | Clay County, TX | Oil & Gas Property | Nov 2025 |
| 30060 | ONEIL | Bee County, TX | Oil & Gas Property | Oct 2025 |
| 30061 | ONEIL | Collingsworth County, TX | Oil & Gas Property | Nov 2025 |
| 30062 | ONEIL | Pecos County, TX | Oil & Gas Property | Dec 2018 |
| 30063 | ONEIL 4 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 30064 | ONEILL-BIEL UNIT | Frio County, TX | Oil & Gas Property | Oct 2025 |
| 30065 | ONEY | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 30066 | ONEY ALTON J. GAS UNIT 1H | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 30067 | ONEY HENRY | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 30068 | ONYX | Crockett County, TX | Oil & Gas Property | Oct 2025 |
| 30069 | ONYX | Gonzales County, TX | Oil & Gas Property | Nov 2025 |
| 30070 | OPAL | Gonzales County, TX | Oil & Gas Property | Nov 2025 |
| 30071 | OPAL HV | Panola County, TX | Gas Property | Nov 2025 |
| 30072 | OPEN RANGE 28-29 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 30073 | OPEN UNIT | Howard County, TX | Oil & Gas Property | Nov 2025 |
| 30074 | OPIE | Ector County, TX | Oil & Gas Property | Nov 2025 |
| 30075 | OPIE TAYLOR | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 30076 | OPIELA | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 30077 | OPIELA A | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 30078 | OPIELA UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 30079 | OPPENHEIMER | Frio County, TX | Oil & Gas Property | Oct 2025 |
| 30080 | OPPENHEIMER 188 | Reeves County, TX | Oil & Gas Property | Oct 2025 |
| 30081 | OPPENHEIMER JESSIE D | Frio County, TX | Oil & Gas Property | Apr 2022 |
| 30082 | OPPERMAN-KRETZER UNIT | Burleson County, TX | Oil & Gas Property | Oct 2025 |
| 30083 | OPTIMUS PRIME | Henderson County, TX | Oil & Gas Property | Dec 2024 |
| 30084 | OPUS | Hill County, TX | Oil & Gas Property | Nov 2025 |
| 30085 | OQUINN C. F | Rusk County, TX | Oil & Gas Property | Oct 2025 |
| 30086 | ORA NELL UNIT | Fayette County, TX | Oil & Gas Property | Nov 2025 |
| 30087 | ORAN 4 | Palo Pinto County, TX | Oil & Gas Property | May 2025 |
| 30088 | ORAN-PATTON | Palo Pinto County, TX | Oil & Gas Property | Sep 2012 |
| 30089 | ORAND | Freestone County, TX | Oil & Gas Property | Nov 2025 |
| 30090 | ORAND #1 2 | Freestone County, TX | Oil & Gas Property | Nov 2025 |
| 30091 | ORAND GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | Nov 2025 |
| 30092 | ORANGE CRUSH UNIT 9 | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 30093 | ORANGE UNIT | Atascosa County, TX | Oil & Gas Property | Nov 2025 |
| 30094 | ORANGEMEN DU 1H | Shelby County, TX | Gas Property | Nov 2025 |
| 30095 | ORANSKY M.B. ET AL | Freestone County, TX | Oil & Gas Property | Aug 2024 |
| 30096 | ORBISON 28 | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 30097 | ORBIT 51-7-21-16 | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 30098 | ORCA EAGLEFORD UNIT | Brazos County, TX | Oil & Gas Property | Oct 2025 |
| 30099 | ORCA UNIT NO | Brazos County, TX | Oil & Gas Property | Oct 2025 |
| 30100 | ORCHARD 40 | Glasscock County, TX | Oil & Gas Property | Nov 2025 |