| 27501 | MOUNTAIN CAT 26 | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 27502 | MOUNTAIN TOP | Palo Pinto County, TX | Oil & Gas Property | Sep 2014 |
| 27503 | MOUNTAIN VALLEY | Johnson County, TX | Gas Property | Jul 2019 |
| 27504 | MOUNTAIN VIEW RANCH 1H | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27505 | MOUSER UNIT | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 27506 | MOUTON ET AL | Tyler County, TX | Oil & Gas Property | Jun 2026 |
| 27507 | MOY A | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27508 | MOY A-REYNOLDS USW | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27509 | MOY EAST | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27510 | MOY NORTH | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27511 | MOY SOUTH | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27512 | MOY UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27513 | MOY UNIT A | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27514 | MOYERS | Rusk County, TX | Oil & Gas Property | Dec 2024 |
| 27515 | MOYERS | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 27516 | MOYERS DOCIA GAS UNIT | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 27517 | MOZELLE NUTT | Concho County, TX | Oil & Gas Property | Jun 2026 |
| 27518 | MOZELLE SELF | Duval County, TX | Oil & Gas Property | Apr 2026 |
| 27519 | MOZELLE UNIT | Tom Green County, TX | Oil & Gas Property | Jun 2026 |
| 27520 | MOZETTI UNIT A 37-48 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 27521 | MOZETTI UNIT B 48-37 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 27522 | MPDS CORP | Palo Pinto County, TX | Oil & Gas Property | Apr 2026 |
| 27523 | MR EAST 36-24 A UNIT | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 27524 | MR. DYNAMITE | Howard County, TX | Oil & Gas Property | May 2026 |
| 27525 | MR. HOBBS 11-14 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 27526 | MR. OTIS 2HH | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 27527 | MR. PHILLIPS 11 | Howard County, TX | Oil & Gas Property | May 2026 |
| 27528 | MR. PHILLIPS 11-02 D | Howard County, TX | Oil & Gas Property | May 2026 |
| 27529 | MRS ALBERTA DIEMER | Austin County, TX | Oil Property | Jun 2026 |
| 27530 | MRS PEARL BOYD | Wichita County, TX | Oil Property | Jun 2026 |
| 27531 | MRS. S. K. EAST B | Kenedy County, TX | Oil & Gas Property | Apr 2026 |
| 27532 | MS WEST | Tarrant County, TX | Gas Property | Jun 2026 |
| 27533 | MS. BETTYE | Hardeman County, TX | Oil & Gas Property | Jun 2026 |
| 27534 | MT 7 RANCH | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 27535 | MT ACE UNIT | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 27536 | MT BIRDIE UNIT | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 27537 | MT LAUREL | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 27538 | MT MORAN | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 27539 | MT PEYTON-FE HILL ( | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 27540 | MT-DELREY #1 | Harrison County, TX | Oil Property | Jun 2026 |
| 27541 | MT. HUNTER 10 | Reeves County, TX | Oil & Gas Property | May 2026 |
| 27542 | MT. OLIVET | Tarrant County, TX | Gas Property | Apr 2023 |
| 27543 | MT. VERNON (PETTIT) UNIT | Franklin County, TX | Oil Property | Jun 2026 |
| 27544 | MTS (SAN ANDRES) UNIT | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 27545 | MUCHER J | Hidalgo County, TX | Oil & Gas Property | Jun 2026 |
| 27546 | MUCKELROY | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 27547 | MUCKLEROY | Brown County, TX | Gas Property | Jun 2026 |
| 27548 | MUD CREEK | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 27549 | MUD HEN 57-31 | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 27550 | MUDD A STEEN A ULW | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27551 | MUDD UNIT A | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 27552 | MUDDY RIVER UNIT EB | Burleson County, TX | Oil & Gas Property | May 2026 |
| 27553 | MUDSLINGER 34-85 | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 27554 | MUECKE | Goliad County, TX | Oil & Gas Property | May 2026 |
| 27555 | MUEHLSTEIN | Jones County, TX | Oil Property | May 2026 |
| 27556 | MUEHLSTEIN | Jones County, TX | Oil & Gas Property | Mar 2026 |
| 27557 | MUELLER | Pecos County, TX | Oil & Gas Property | Jul 2023 |
| 27558 | MUELLER | Fort Bend County, TX | Oil & Gas Property | Apr 2024 |
| 27559 | MUELLER | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27560 | MUELLER | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27561 | MUELLER | Stephens County, TX | Oil & Gas Property | Jun 2026 |
| 27562 | MUELLER 18A-FRISBIE B SA 1 | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27563 | MUELLER A | Austin County, TX | Oil & Gas Property | Jun 2026 |
| 27564 | MUELLER G | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 27565 | MUELLER, A. W | Calhoun County, TX | Oil & Gas Property | Mar 2026 |
| 27566 | MUELLER, E | Harris County, TX | Oil & Gas Property | Jun 2026 |
| 27567 | MUELLER-KORTH UNIT | Lee County, TX | Oil & Gas Property | May 2026 |
| 27568 | MUELLER-LEVIEN D.L. UNIT | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 27569 | MUENICH | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27570 | MUHLY | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 27571 | MUIR | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27572 | MUIR F - ULRICH A SA | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27573 | MUIR F-MUIR A SA UNIT | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 27574 | MULBERRY 55-1-38-26 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 27575 | MULDROW | Terry County, TX | Oil & Gas Property | Jun 2026 |
| 27576 | MULESHOE | Borden County, TX | Oil & Gas Property | Jun 2026 |
| 27577 | MULESHOE | Burleson County, TX | Oil & Gas Property | May 2026 |
| 27578 | MULESHOE RANCH | Stephens County, TX | Oil & Gas Property | May 2025 |
| 27579 | MULEY | Andrews County, TX | Oil Property | Jun 2026 |
| 27580 | MULHOLLAND | Reagan County, TX | Oil & Gas Property | Mar 2026 |
| 27581 | MULHOLLAND EF | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 27582 | MULKEY | Hardeman County, TX | Oil & Gas Property | Jun 2026 |
| 27583 | MULLENAX G | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 27584 | MULLENS | Bexar County, TX | Oil & Gas Property | Jun 2026 |
| 27585 | MULLIGAN | Fisher County, TX | Oil & Gas Property | May 2026 |
| 27586 | MULLIGAN | Tarrant County, TX | Gas Property | Jun 2026 |
| 27587 | MULLIGAN UNIT | Winkler County, TX | Oil & Gas Property | Jun 2026 |
| 27588 | MULLIKIN W. A | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 27589 | MULLIN W.W | Motley County, TX | Oil & Gas Property | May 2026 |
| 27590 | MULLINIX | Sherman County, TX | Gas Property | Jun 2026 |
| 27591 | MULLINS | Medina County, TX | Oil & Gas Property | Jun 2026 |
| 27592 | MULLINS | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 27593 | MULLINS | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 27594 | MULLINS | Wharton County, TX | Oil & Gas Property | Jun 2026 |
| 27595 | MULLINS 18 | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 27596 | MULLINS CLARK | Grayson County, TX | Oil & Gas Property | Jun 2026 |
| 27597 | MULLIS | Archer County, TX | Oil & Gas Property | Jun 2025 |
| 27598 | MUMFORD EF | Robertson County, TX | Oil & Gas Property | May 2026 |
| 27599 | MUMFORD UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 27600 | MUMME PARTNERS UNIT A LAS | La Salle County, TX | Oil & Gas Property | Jun 2026 |