| 1001 | MATTERHORN | Harrison County, TX | Gas Property | Jan 2025 |
| 1002 | MATTERHORN 24 | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 1003 | MATTERHORN UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 1004 | MATTHEW | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 1005 | MATTHEW | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 1006 | MATTHEW | Gray County, TX | Gas Property | Jan 2025 |
| 1007 | MATTHEWS | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 1008 | MATTHEWS | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 1009 | MATTHEWS | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 1010 | MATTHEWS | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 1011 | MATTHEWS | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1012 | MATTHEWS | Foard County, TX | Gas Property | Jan 2025 |
| 1013 | MATTHEWS | Wood County, TX | Oil & Gas Property | Jan 2025 |
| 1014 | MATTHEWS | Martin County, TX | Oil & Gas Property | Nov 2024 |
| 1015 | MATTHEWS | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 1016 | MATTHEWS | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 1017 | MATTHEWS BURLEY | Johnson County, TX | Oil & Gas Property | Jan 2025 |
| 1018 | MATTHEWS CAMP | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1019 | MATTHEWS DON | Johnson County, TX | Gas Property | Jan 2025 |
| 1020 | MATTHEWS NORTH UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 1021 | MATTHEWS WILLIAM | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 1022 | MATTHIAS | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 1023 | MATTHIES | Howard County, TX | Oil & Gas Property | May 2019 |
| 1024 | MATTHIESEN | Glasscock County, TX | Oil & Gas Property | Jun 2023 |
| 1025 | MATTHYS-MCMILLAN GU | Wharton County, TX | Oil & Gas Property | Apr 2020 |
| 1026 | MATTIE | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 1027 | MATTIE | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1028 | MATTIE JERNIGAN | Panola County, TX | Gas Property | Jan 2025 |
| 1029 | MATTINGLEY 14 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1030 | MATTINGLY | Fayette County, TX | Oil & Gas Property | Dec 2024 |
| 1031 | MATTINGLY | Bastrop County, TX | Oil & Gas Property | Apr 2022 |
| 1032 | MATTINGLY | Johnson County, TX | Gas Property | Jan 2025 |
| 1033 | MATTIX UNIT | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1034 | MATTKE ALBERT | Guadalupe County, TX | Oil & Gas Property | Jan 2025 |
| 1035 | MATTOX | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 1036 | MATTOX | Hill County, TX | Gas Property | Apr 2024 |
| 1037 | MATULA ROBERT | McMullen County, TX | Oil & Gas Property | Nov 2017 |
| 1038 | MATULA ROBERT | Live Oak County, TX | Oil & Gas Property | Dec 2024 |
| 1039 | MATUS | Young County, TX | Oil & Gas Property | Jan 2025 |
| 1040 | MATUS | Foard County, TX | Gas Property | Jan 2025 |
| 1041 | MATUS ESTATE | Foard County, TX | Gas Property | Jan 2025 |
| 1042 | MATUS J. ESTATES | Foard County, TX | Gas Property | Jan 2025 |
| 1043 | MATUS JOHN | Foard County, TX | Oil & Gas Property | Jan 2025 |
| 1044 | MATZIG | Milam County, TX | Oil & Gas Property | Jan 2025 |
| 1045 | MATZINGER | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1046 | MAUCH | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 1047 | MAUCH TOM KRUEGER | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 1048 | MAUCH W.F | San Patricio County, TX | Oil & Gas Property | Nov 2019 |
| 1049 | MAUCH-ANGELINE UNIT | San Patricio County, TX | Oil Property | Mar 2020 |
| 1050 | MAUCH-KRUEGER UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 1051 | MAUD | Young County, TX | Oil & Gas Property | Jan 2025 |
| 1052 | MAUD SMITH | Gregg County, TX | Oil & Gas Property | May 2024 |
| 1053 | MAUDE | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1054 | MAUDE B. TRAYLOR | Calhoun County, TX | Oil & Gas Property | Jun 2023 |
| 1055 | MAUDE TRAYLOR A | Calhoun County, TX | Oil & Gas Property | Jul 2021 |
| 1056 | MAUDE WILLIAMS ET AL | Refugio County, TX | Oil & Gas Property | Jan 2025 |
| 1057 | MAUDELLE | Comanche County, TX | Oil & Gas Property | Dec 2024 |
| 1058 | MAUDI WALSH ROE | Parker County, TX | Oil & Gas Property | Jan 2025 |
| 1059 | MAUDIE | Carson County, TX | Gas Property | Dec 2024 |
| 1060 | MAUDIE -A | Hansford County, TX | Gas Property | Jan 2025 |
| 1061 | MAUER | Pecos County, TX | Oil & Gas Property | Sep 2023 |
| 1062 | MAUERMAN | Bexar County, TX | Oil & Gas Property | Jan 2025 |
| 1063 | MAUERMANN | Bexar County, TX | Oil & Gas Property | Jan 2025 |
| 1064 | MAUI 5 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 1065 | MAULDIN | Erath County, TX | Gas Property | Oct 2016 |
| 1066 | MAULDIN C.W | Erath County, TX | Gas Property | Jan 2025 |
| 1067 | MAULSBY | Roberts County, TX | Oil & Gas Property | May 2024 |
| 1068 | MAUNA LOA 29-27 UNIT | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 1069 | MAUNAKEA UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 1070 | MAUND RANCH | Dimmit County, TX | Oil & Gas Property | Jan 2025 |
| 1071 | MAUPIN W. E | Hansford County, TX | Oil & Gas Property | Jan 2025 |
| 1072 | MAURBRO FIELD | Jackson County, TX | Oil & Gas Property | Jan 2025 |
| 1073 | MAUREEN | Brown County, TX | Oil & Gas Property | Dec 2024 |
| 1074 | MAURER | Midland County, TX | Oil & Gas Property | Dec 2024 |
| 1075 | MAURER | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 1076 | MAURER BOONE | Karnes County, TX | Oil & Gas Property | Dec 2024 |
| 1077 | MAURER-DIXON | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1078 | MAURER-MCFARLAND UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 1079 | MAURER-SWIZE MCFARLAND SA | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 1080 | MAURICE | Ector County, TX | Oil & Gas Property | Jan 2025 |
| 1081 | MAURINE L. OLAUGHLIN | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 1082 | MAURITZ | Jackson County, TX | Oil & Gas Property | Jun 2018 |
| 1083 | MAURITZ | Jackson County, TX | Oil & Gas Property | Jan 2025 |
| 1084 | MAURITZ | Jackson County, TX | Oil & Gas Property | Feb 2020 |
| 1085 | MAURITZEN | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1086 | MAURITZEN-VERA DAVIS-BECKHAM 1H | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1087 | MAURY | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 1088 | MAURY STRIBLING | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 1089 | MAVERICK | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1090 | MAVERICK | Dimmit County, TX | Oil & Gas Property | Jan 2025 |
| 1091 | MAVERICK 11-2 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1092 | MAVERICK 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 1093 | MAVERICK 4 | Gaines County, TX | Oil & Gas Property | Jan 2025 |
| 1094 | MAVERICK 46 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 1095 | MAVERICK 4801 | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1096 | MAVERICK COUNTY | Maverick County, TX | Oil & Gas Property | Sep 2024 |
| 1097 | MAVERICK E 110-127 | Fisher County, TX | Oil & Gas Property | Jan 2025 |
| 1098 | MAVERICK GU | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1099 | MAVERICK UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 1100 | MAVERICKS | San Augustine County, TX | Oil & Gas Property | Jan 2025 |