| 12001 | ENGELKING UNIT | Bee County, TX | Gas Property | Dec 2025 |
| 12002 | ENGELS, M | Chambers County, TX | Oil & Gas Property | May 2013 |
| 12003 | ENGLAND | Runnels County, TX | Oil Property | Jan 2026 |
| 12004 | ENGLAND | Clay County, TX | Oil & Gas Property | Jan 2009 |
| 12005 | ENGLAND-VIRNAU | Austin County, TX | Oil & Gas Property | Jan 2026 |
| 12006 | ENGLEMANN EF UNIT | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 12007 | ENGLEMANN-NOVOSAD UNIT | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 12008 | ENGLER | Tarrant County, TX | Oil & Gas Property | Jan 2026 |
| 12009 | ENGLER | Tarrant County, TX | Gas Property | Jan 2026 |
| 12010 | ENGLER | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 12011 | ENGLIN JOSIE | Jefferson County, TX | Oil & Gas Property | Jan 2026 |
| 12012 | ENGLISH | Houston County, TX | Oil & Gas Property | Aug 2025 |
| 12013 | ENGLISH | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 12014 | ENGLISH | Shackelford County, TX | Oil & Gas Property | Nov 2025 |
| 12015 | ENGLISH J. R | Navarro County, TX | Oil & Gas Property | Jul 2021 |
| 12016 | ENGRAM J.E. UNIT | Limestone County, TX | Oil & Gas Property | Jan 2026 |
| 12017 | ENIS ( | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 12018 | ENIS AH | Denton County, TX | Oil & Gas Property | Jan 2026 |
| 12019 | ENIS-HOWARD (AW) | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 12020 | ENLOW | Jack County, TX | Oil & Gas Property | Jan 2026 |
| 12021 | ENNIS-LACY UNIT | Sherman County, TX | Gas Property | Jan 2026 |
| 12022 | ENOCHS | Schleicher County, TX | Oil & Gas Property | Jan 2026 |
| 12023 | ENOCHS | Schleicher County, TX | Oil & Gas Property | Jan 2026 |
| 12024 | ENOS | Schleicher County, TX | Oil & Gas Property | Jun 2021 |
| 12025 | ENSEARCH | Carson County, TX | Oil & Gas Property | Jan 2021 |
| 12026 | ENSERCH | Eastland County, TX | Oil & Gas Property | Dec 2023 |
| 12027 | ENSERCH PROCESSING INC | Henderson County, TX | Oil & Gas Property | Dec 2025 |
| 12028 | ENSERCH-FRYSAK | Glasscock County, TX | Oil & Gas Property | Jan 2026 |
| 12029 | ENSERCH-GROVE | Eastland County, TX | Oil & Gas Property | Jan 2026 |
| 12030 | ENTERPRISE C19-5 | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 12031 | ENTERPRISE STATE 56-2-32-29 | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 12032 | ENTL RANCH 41B | Shackelford County, TX | Oil & Gas Property | Jan 2026 |
| 12033 | ENTREKIN | Hansford County, TX | Oil & Gas Property | Dec 2025 |
| 12034 | EOFF ODELL ET AL | Jones County, TX | Oil & Gas Property | Dec 2025 |
| 12035 | EOG GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2026 |
| 12036 | EPEE | Tarrant County, TX | Gas Property | Jan 2026 |
| 12037 | EPHRAIM | Harris County, TX | Oil Property | May 2024 |
| 12038 | EPHRAIM OL | Grimes County, TX | Oil & Gas Property | Jan 2026 |
| 12039 | EPHRIAM | Rusk County, TX | Oil & Gas Property | Dec 2025 |
| 12040 | EPLEY | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 12041 | EPLEY LENORAH | Martin County, TX | Oil & Gas Property | Feb 2024 |
| 12042 | EPLEY, L.B | Midland County, TX | Oil & Gas Property | Apr 2024 |
| 12043 | EPLEY-GLASSCOCK | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 12044 | EPLEY-MARTIN 31 | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 12045 | EPLEY-ROGERS 43 | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 12046 | EPO #1 DANIEL UNIT | Glasscock County, TX | Oil & Gas Property | Jan 2026 |
| 12047 | EPPENAUER | Crane County, TX | Oil & Gas Property | Jun 2016 |
| 12048 | EPPERSON | Edwards County, TX | Oil & Gas Property | Jan 2026 |
| 12049 | EPPERSON | Jack County, TX | Oil & Gas Property | Jan 2026 |
| 12050 | EPPES | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 12051 | EPPES B | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 12052 | EPPES C.A. ET AL | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 12053 | EPPES FRED R | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 12054 | EPPES JOHN GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 12055 | EPPEY-JENNINGS | Stephens County, TX | Gas Property | Sep 2025 |
| 12056 | EPPLER 2 | Garza County, TX | Oil Property | Jan 2026 |
| 12057 | EPPRIGHT | Caldwell County, TX | Oil & Gas Property | Dec 2022 |
| 12058 | EPPRIGHT | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 12059 | EPPS | Lipscomb County, TX | Oil & Gas Property | Jan 2026 |
| 12060 | EPPS | Edwards County, TX | Oil & Gas Property | Jan 2026 |
| 12061 | EPPS A 1 | Roberts County, TX | Oil & Gas Property | Jan 2026 |
| 12062 | EPPS-TEXAS A&M | Edwards County, TX | Oil & Gas Property | Jan 2026 |
| 12063 | EPSTEIN | Polk County, TX | Oil & Gas Property | Jan 2026 |
| 12064 | EPSTEIN SADIE | Caldwell County, TX | Oil & Gas Property | Jan 2026 |
| 12065 | EPSTEIN-BALBOA | Bexar County, TX | Oil & Gas Property | Jan 2026 |
| 12066 | EQUALITY UNIT | Nolan County, TX | Oil & Gas Property | Jan 2026 |
| 12067 | ER UNIT | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 12068 | ER03 - L01 - G01 A 01H | Dewitt County, TX | Oil & Gas Property | Jan 2026 |
| 12069 | ERCK | Jim Wells County, TX | Oil & Gas Property | Oct 2021 |
| 12070 | ERCP MINERALS | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 12071 | ERD UNIT | Bexar County, TX | Oil Property | Jan 2026 |
| 12072 | ERIC | Ochiltree County, TX | Oil & Gas Property | Jan 2026 |
| 12073 | ERIC TABB | Fisher County, TX | Oil & Gas Property | Jan 2026 |
| 12074 | ERICA | Ector County, TX | Oil & Gas Property | May 2014 |
| 12075 | ERICKSON | Ochiltree County, TX | Oil & Gas Property | Oct 2024 |
| 12076 | ERICSON GAS UNIT | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 12077 | ERICSSON 1H | San Augustine County, TX | Oil & Gas Property | Jan 2026 |
| 12078 | ERIGAN | Nueces County, TX | Oil & Gas Property | Jan 2026 |
| 12079 | ERIN UNIT | Brazos County, TX | Oil & Gas Property | Jan 2026 |
| 12080 | ERIN-A | Archer County, TX | Oil & Gas Property | Jan 2026 |
| 12081 | ERIS | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 12082 | ERLIS | Sherman County, TX | Gas Property | Dec 2025 |
| 12083 | ERLKING UNIT | Borden County, TX | Oil & Gas Property | Jan 2026 |
| 12084 | ERMIS | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 12085 | ERNA H | Lee County, TX | Oil & Gas Property | Jan 2026 |
| 12086 | ERNEST | Scurry County, TX | Oil & Gas Property | Jan 2026 |
| 12087 | ERNEST | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 12088 | ERNEST | Winkler County, TX | Oil & Gas Property | Apr 2019 |
| 12089 | ERNEST UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 12090 | ERNESTEEN | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 12091 | ERNIE | Borden County, TX | Oil & Gas Property | Dec 2025 |
| 12092 | ERNST | Runnels County, TX | Oil & Gas Property | Jul 2018 |
| 12093 | ERNST | Bexar County, TX | Oil & Gas Property | Jan 2026 |
| 12094 | ERNST GEORGE | Bexar County, TX | Oil & Gas Property | Jul 2025 |
| 12095 | ERNST KATIE L | Bexar County, TX | Oil & Gas Property | Aug 2021 |
| 12096 | ERNST UNIT | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 12097 | EROS | Lavaca County, TX | Oil & Gas Property | Jan 2026 |
| 12098 | ERP, W | Bee County, TX | Oil & Gas Property | Dec 2016 |
| 12099 | ERVIN | Tarrant County, TX | Gas Property | Jan 2026 |
| 12100 | ERVINE & BISHOP | Fayette County, TX | Oil & Gas Property | Jan 2026 |