| 801 | AMB 1HB | Shelby County, TX | Gas Property | Mar 2026 |
| 802 | AMBER | Reagan County, TX | Oil & Gas Property | Feb 2026 |
| 803 | AMBER-LAGER | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 804 | AMBER-PORTER (SA) UNIT | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 805 | AMBERJACK 39 | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 806 | AMBURGEY | Winkler County, TX | Oil Property | Dec 2025 |
| 807 | AMELIA KAY | Milam County, TX | Oil & Gas Property | Mar 2026 |
| 808 | AMER. NAT L. BANK OF AUSTIN G.U. 1 | San Patricio County, TX | Oil & Gas Property | Aug 2025 |
| 809 | AMERADA-NEAL | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 810 | AMERADA-SCARBOROUGH | Winkler County, TX | Oil & Gas Property | May 2002 |
| 811 | AMERADA-WEBB | Yoakum County, TX | Oil & Gas Property | Mar 2026 |
| 812 | AMERICA UNIT | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 813 | AMERICAN HORNET 3631 | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 814 | AMERICAN LEGION | Reagan County, TX | Oil & Gas Property | Feb 2025 |
| 815 | AMERICAN LEGION | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 816 | AMERICAN LIBERTY | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 817 | AMERICAN NATIONAL LIFE INS.CO | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 818 | AMERICAN PHAROAH 43 STATE UNIT | Culberson County, TX | Oil & Gas Property | Mar 2026 |
| 819 | AMERICAN REPUBLICS A | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 820 | AMERIGO | Reagan County, TX | Oil & Gas Property | Mar 2026 |
| 821 | AMERSON | Jones County, TX | Oil & Gas Property | Feb 2026 |
| 822 | AMES | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 823 | AMES ET AL GU | Willacy County, TX | Oil & Gas Property | Mar 2026 |
| 824 | AMES R. C | Callahan County, TX | Oil & Gas Property | Mar 2026 |
| 825 | AMETHYST | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 826 | AMETHYST STATE 29-0-20-17 | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 827 | AMF 38 | Sterling County, TX | Oil & Gas Property | Nov 2025 |
| 828 | AMG CHATO 25 C | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 829 | AMINEX | Archer County, TX | Oil & Gas Property | Mar 2026 |
| 830 | AMIS GAS UNIT | Harrison County, TX | Oil & Gas Property | Mar 2026 |
| 831 | AMMANN | Dimmit County, TX | Oil & Gas Property | Mar 2026 |
| 832 | AMMIT UNIT 23-14 | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 833 | AMOCO | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 834 | AMOCO | Hardin County, TX | Oil & Gas Property | Feb 2026 |
| 835 | AMOCO 17 | Hockley County, TX | Oil & Gas Property | Oct 2021 |
| 836 | AMOCO FEE | Zapata County, TX | Oil & Gas Property | Mar 2026 |
| 837 | AMOCO UNIVERSITY 3 | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 838 | AMOCO-BLANCHE | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 839 | AMOCO-BROWN | Terry County, TX | Oil & Gas Property | Mar 2026 |
| 840 | AMOCO-COLLIER | Crosby County, TX | Oil & Gas Property | Mar 2026 |
| 841 | AMOCO-COWDEN-9 | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 842 | AMOCO-SEALY | Winkler County, TX | Oil & Gas Property | Feb 2026 |
| 843 | AMOCO-YOUNG | Hockley County, TX | Oil & Gas Property | Feb 2026 |
| 844 | AMON HEN 3 | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 845 | AMOS | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 846 | AMOS | Runnels County, TX | Oil & Gas Property | Mar 2026 |
| 847 | AMPHITHEATER A | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 848 | AMY 290 | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |
| 849 | AMY SEARS UNIT | Jones County, TX | Oil & Gas Property | Jan 2015 |
| 850 | AN/CY BENAVIDES F | Webb County, TX | Oil & Gas Property | Mar 2026 |
| 851 | ANACONDA 5-4 UNIT 2 | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 852 | ANACONDA 53-24 | Loving County, TX | Oil & Gas Property | Mar 2020 |
| 853 | ANACONDA STATE 55-2 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 854 | ANADARKO 1 | Winkler County, TX | Oil & Gas Property | Mar 2026 |
| 855 | ANAHUAC MAIN FRIO | Chambers County, TX | Oil & Gas Property | Feb 2025 |
| 856 | ANARENE | Archer County, TX | Oil & Gas Property | Feb 2026 |
| 857 | ANASTASIA | Nacogdoches County, TX | Oil & Gas Property | Jan 2026 |
| 858 | ANCELIN | Parker County, TX | Oil & Gas Property | Jan 2026 |
| 859 | ANCELL | Wichita County, TX | Oil & Gas Property | Mar 2026 |
| 860 | ANCELL | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 861 | ANCELL | Gaines County, TX | Oil & Gas Property | Mar 2026 |
| 862 | ANCELL GEO. B. JR | Wilbarger County, TX | Oil & Gas Property | Mar 2026 |
| 863 | ANCELL SHALLOW | Wilbarger County, TX | Oil Property | Mar 2026 |
| 864 | ANCELL-BARNES | Wichita County, TX | Oil & Gas Property | Mar 2026 |
| 865 | ANCHICKS GAS UNIT NO | Robertson County, TX | Oil & Gas Property | Mar 2026 |
| 866 | ANCHICKS GAS UNIT NO. 1 | Robertson County, TX | Oil & Gas Property | Mar 2023 |
| 867 | ANCHOR | Martin County, TX | Oil & Gas Property | Oct 2023 |
| 868 | ANCIENT 3-10E | Fisher County, TX | Oil & Gas Property | Mar 2026 |
| 869 | ANCIENT SEAS | Howard County, TX | Oil & Gas Property | Dec 2018 |
| 870 | ANDERGRAM | Runnels County, TX | Oil & Gas Property | Jan 2026 |
| 871 | ANDERSEN | Concho County, TX | Oil & Gas Property | Oct 2024 |
| 872 | ANDERSON | Guadalupe County, TX | Oil & Gas Property | Jun 2000 |
| 873 | ANDERSON | Gray County, TX | Oil & Gas Property | Mar 2026 |
| 874 | ANDERSON | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 875 | ANDERSON | Guadalupe County, TX | Oil & Gas Property | Mar 2026 |
| 876 | ANDERSON | La Salle County, TX | Oil & Gas Property | Mar 2026 |
| 877 | ANDERSON | Robertson County, TX | Oil & Gas Property | Mar 2026 |
| 878 | ANDERSON | Stonewall County, TX | Oil & Gas Property | Mar 2026 |
| 879 | ANDERSON | Foard County, TX | Oil Property | Mar 2026 |
| 880 | ANDERSON | Stonewall County, TX | Oil Property | Mar 2026 |
| 881 | ANDERSON | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 882 | ANDERSON | Grayson County, TX | Oil & Gas Property | Feb 2026 |
| 883 | ANDERSON | Brazos County, TX | Oil & Gas Property | Feb 2026 |
| 884 | ANDERSON | Freestone County, TX | Oil & Gas Property | Mar 2026 |
| 885 | ANDERSON | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 886 | ANDERSON | Denton County, TX | Oil & Gas Property | Mar 2026 |
| 887 | ANDERSON | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 888 | ANDERSON | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 889 | ANDERSON | Harrison County, TX | Oil & Gas Property | Aug 2024 |
| 890 | ANDERSON | Gray County, TX | Oil & Gas Property | Mar 2026 |
| 891 | ANDERSON | Colorado County, TX | Oil & Gas Property | Jan 2026 |
| 892 | ANDERSON | Howard County, TX | Oil & Gas Property | May 2025 |
| 893 | ANDERSON | Howard County, TX | Oil & Gas Property | Aug 2013 |
| 894 | ANDERSON | Gregg County, TX | Oil & Gas Property | Mar 2026 |
| 895 | ANDERSON | Loving County, TX | Oil & Gas Property | Jun 2025 |
| 896 | ANDERSON | Stephens County, TX | Oil & Gas Property | Feb 2026 |
| 897 | ANDERSON | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 898 | ANDERSON | Yoakum County, TX | Oil & Gas Property | Mar 2026 |
| 899 | ANDERSON | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 900 | ANDERSON | Burleson County, TX | Oil & Gas Property | Mar 2026 |