| 801 | MARTINEZ MINERALS | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 802 | MARTINEZ R | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 803 | MARTINEZ UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 804 | MARTINEZ UNIT A | Dewitt County, TX | Oil & Gas Property | Feb 2026 |
| 805 | MARTINEZ, ADELA M. ET AL | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 806 | MARTINEZ-ALEXANDER GAS UNIT | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 807 | MARTINEZ-BARRERA G | Webb County, TX | Oil & Gas Property | Feb 2026 |
| 808 | MARTINEZ-H.HENKE-HEDTKE SA | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 809 | MARTINEZ-HENKE | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 810 | MARTINEZ-RAMIREZ G | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 811 | MARTINI | Dawson County, TX | Oil & Gas Property | Feb 2026 |
| 812 | MARTINSEN UNIT | Lavaca County, TX | Oil & Gas Property | Feb 2026 |
| 813 | MARTINSON | Bee County, TX | Oil & Gas Property | Jan 2026 |
| 814 | MARTINSVILLE 120 | Ward County, TX | Oil & Gas Property | Feb 2026 |
| 815 | MARTY-WRIGHT | Cochran County, TX | Oil & Gas Property | Feb 2026 |
| 816 | MARVEL | Lipscomb County, TX | Oil & Gas Property | Feb 2026 |
| 817 | MARVIN | Moore County, TX | Gas Property | Feb 2026 |
| 818 | MARWIL N.L | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 819 | MARWILL | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 820 | MARY | Upton County, TX | Oil & Gas Property | Jun 2025 |
| 821 | MARY | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 822 | MARY | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 823 | MARY 18 | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 824 | MARY A UNIT | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 825 | MARY ALICE ANDERSON | Refugio County, TX | Oil & Gas Property | Feb 2026 |
| 826 | MARY ANN | Hood County, TX | Oil & Gas Property | Feb 2026 |
| 827 | MARY BETH 3 | Glasscock County, TX | Oil & Gas Property | Feb 2026 |
| 828 | MARY BULLARD UNIT | Stonewall County, TX | Oil & Gas Property | Jan 2024 |
| 829 | MARY CLAIRE BAUER ET VIR | Refugio County, TX | Oil & Gas Property | Feb 2026 |
| 830 | MARY ELISE | Ector County, TX | Oil & Gas Property | Feb 2026 |
| 831 | MARY ELLEN | Upton County, TX | Oil & Gas Property | Jul 2015 |
| 832 | MARY ELLEN | Ector County, TX | Oil & Gas Property | Feb 2026 |
| 833 | MARY ELLEN HOLDSWORTH | Zavala County, TX | Oil Property | Feb 2026 |
| 834 | MARY GRACE 201-202 UNIT | Ward County, TX | Oil & Gas Property | Feb 2026 |
| 835 | MARY HELEN | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 836 | MARY J. WATTS GAS UNIT | Robertson County, TX | Gas Property | Feb 2026 |
| 837 | MARY JO 80 UNIT | Scurry County, TX | Oil & Gas Property | Feb 2026 |
| 838 | MARY K | Hartley County, TX | Oil & Gas Property | Jan 2026 |
| 839 | MARY K. SHIRK | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 840 | MARY KATE G.U. 1 | Cherokee County, TX | Oil & Gas Property | Feb 2026 |
| 841 | MARY KAY | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 842 | MARY KRAUSE UNIT A | Live Oak County, TX | Oil & Gas Property | Feb 2026 |
| 843 | MARY LANE | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 844 | MARY LOU UNIT | Fayette County, TX | Oil & Gas Property | Feb 2026 |
| 845 | MARY LYNN 5 | Hansford County, TX | Gas Property | Dec 2025 |
| 846 | MARY RALPH LOWE | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 847 | MARY READ | Winkler County, TX | Oil & Gas Property | Feb 2026 |
| 848 | MARY REYNOLDS | Live Oak County, TX | Oil & Gas Property | Feb 2026 |
| 849 | MARY ROSE | Reagan County, TX | Oil & Gas Property | Feb 2026 |
| 850 | MARY SCHARBAUER | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 851 | MARY SCHARBAUER B | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 852 | MARY SNYDER 157 | Lipscomb County, TX | Oil & Gas Property | Feb 2026 |
| 853 | MARY SWAIN HARRELL | Loving County, TX | Oil & Gas Property | Feb 2026 |
| 854 | MARYLAND TRUST | San Patricio County, TX | Oil & Gas Property | Jan 2026 |
| 855 | MARYRUTH-ANDERSON 47 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 856 | MARYRUTH-BRISTOW 47 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 857 | MASCARELLA | Howard County, TX | Oil & Gas Property | Aug 2025 |
| 858 | MASE 30 | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 859 | MASH | Denton County, TX | Oil & Gas Property | Jan 2026 |
| 860 | MASHBURN | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 861 | MASK | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 862 | MASK | Callahan County, TX | Oil & Gas Property | Nov 2024 |
| 863 | MASK HZ UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 864 | MASKED RIDER 361 | Yoakum County, TX | Oil & Gas Property | Feb 2026 |
| 865 | MASON | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 866 | MASON | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 867 | MASON | Ward County, TX | Oil & Gas Property | Apr 2021 |
| 868 | MASON | Burleson County, TX | Oil & Gas Property | Feb 2026 |
| 869 | MASON | Fisher County, TX | Oil & Gas Property | Feb 2026 |
| 870 | MASON | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 871 | MASON | Wichita County, TX | Oil & Gas Property | Jun 2022 |
| 872 | MASON | Lynn County, TX | Oil & Gas Property | Sep 2020 |
| 873 | MASON | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 874 | MASON | Harris County, TX | Oil & Gas Property | Oct 2024 |
| 875 | MASON | Terry County, TX | Oil & Gas Property | Jan 2026 |
| 876 | MASON | Marion County, TX | Oil & Gas Property | Jun 2007 |
| 877 | MASON 1 | Tyler County, TX | Oil & Gas Property | Feb 2026 |
| 878 | MASON C. A | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 879 | MASON LULA | Limestone County, TX | Oil & Gas Property | Feb 2026 |
| 880 | MASON TOMMIE J. GAS UNIT | Upshur County, TX | Oil & Gas Property | Feb 2026 |
| 881 | MASON-NELSON | Hardeman County, TX | Oil Property | Feb 2026 |
| 882 | MASONIC 72 WRD | Ward County, TX | Oil & Gas Property | Feb 2026 |
| 883 | MASS | Moore County, TX | Oil & Gas Property | Feb 2026 |
| 884 | MASSARO UNIT | Atascosa County, TX | Oil & Gas Property | Feb 2026 |
| 885 | MASSASAUGA | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 886 | MASSENBURG | Stephens County, TX | Oil & Gas Property | Feb 2023 |
| 887 | MASSENGALE | Jack County, TX | Oil & Gas Property | Aug 2021 |
| 888 | MASSEY | Mitchell County, TX | Oil Property | Feb 2026 |
| 889 | MASSEY | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 890 | MASSEY | Victoria County, TX | Oil & Gas Property | Apr 2020 |
| 891 | MASSEY | Gray County, TX | Oil & Gas Property | Feb 2026 |
| 892 | MASSEY | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 893 | MASSEY | Johnson County, TX | Oil & Gas Property | Feb 2026 |
| 894 | MASSEY | Burleson County, TX | Oil & Gas Property | Feb 2026 |
| 895 | MASSEY | Hood County, TX | Oil & Gas Property | Feb 2026 |
| 896 | MASSEY | Wise County, TX | Oil & Gas Property | May 2025 |
| 897 | MASSEY | Throckmorton County, TX | Oil & Gas Property | Jan 2026 |
| 898 | MASSEY A | Collingsworth County, TX | Gas Property | Feb 2026 |
| 899 | MASSEY BALDWIN | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 900 | MASSEY GEORGIA GAS UNIT | Denton County, TX | Oil & Gas Property | Feb 2026 |