| Parker, J. E. O-10-36494 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 43 | 1.43M | 23.7M | Dec 2000 – Jul 2026 |
| Phillips University "P" O-10-37209 | Crescent Energy Operating, LLC only | Martin (Consolidated) | Andrews | 25 | 978K | 3.9M | Jan 2004 – Aug 2026 |
| Univ. 11 Sec. -1- O-10-36466 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 36 | 773K | 9.97M | Dec 2000 – Aug 2026 |
| Phillips University 11-A O-10-36493 | Crescent Energy Operating, LLC only | Martin (Consolidated) | Andrews | 17 | 768K | 2.52M | Dec 2000 – Aug 2026 |
| Phillips University -T- O-10-36488 | Crescent Energy Operating, LLC only | Martin (Consolidated) | Andrews | 16 | 758K | 3.18M | Dec 2000 – Aug 2026 |
| University Southern Minerals O-10-36512 | Crescent Energy Operating, LLC only | Martin (Consolidated) | Andrews | 19 | 732K | 4.57M | Dec 2000 – Aug 2026 |
| Phillips University -O- O-10-36486 | Crescent Energy Operating, LLC only | Martin (Consolidated) | Andrews | 20 | 730K | 3.62M | Dec 2000 – Aug 2026 |
| Martin, Nellie C. O-10-36485 | Unitex Oil & Gas, L.L.C. only | Martin (Consolidated) | Andrews | 33 | 710K | 4.35M | Dec 2000 – Aug 2026 |
| Martin, Nellie C. O-10-23340 | Sheridan Production Company, LLC only | Martin (Tubb) | Andrews | 19 | 563K | 6.2M | by Jan 1993 – May 2010 |
| University -3- O-10-36660 | BCP Resources, LLC only | Martin (Consolidated) | Andrews | 15 | 558K | 2.97M | Dec 2000 – Aug 2026 |
| Phillips University 15-11 O-10-36490 | Crescent Energy Operating, LLC only | Martin (Consolidated) | Andrews | 13 | 535K | 1.42M | Dec 2000 – Aug 2026 |
| University 11A O-10-36516 | Discovery Operating, Inc. only | Martin (Consolidated) | Andrews | 10 | 532K | 590K | Dec 2000 – Aug 2026 |
| University "14-A" O-10-37271 | Bce-Mach III LLC only | Martin (Consolidated) | Andrews | 13 | 501K | 2.22M | Jul 2004 – Aug 2026 |
| University Atp O-10-36491 | Crescent Energy Operating, LLC only | Martin (Consolidated) | Andrews | 19 | 449K | 2.57M | Dec 2000 – Aug 2026 |
| University 11 O-10-36498 | Discovery Operating, Inc. only | Martin (Consolidated) | Andrews | 10 | 432K | 703K | Dec 2000 – Aug 2026 |
| Lockhart O-10-31036 | Winn Operating, LLC only | Martin (Second Simpson Sd.) | Andrews | 1 | 356K | 90.3K | by Jan 1993 – Aug 2026 |
| Parker, J. E. O-10-30924 | Exxon Mobil Corporation only | Martin (Clear Fork) | Andrews | 21 | 353K | 11.9M | by Jan 1993 – Nov 2000 |
| University -3- O-10-21310 | Crownquest Operating, LLC only | Martin (Clear Fork) | Andrews | 8 | 351K | 944K | by Jan 1993 – Nov 2000 |
| University 11 Sec 2 O-10-36471 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 18 | 341K | 3.17M | Dec 2000 – Aug 2026 |
| Lockhart O-10-26353 | Huntington Energy, L.L.C. only | Martin (Clear Fork) | Andrews | 11 | 339K | 5.86M | by Jan 1993 – May 2010 |
| University UA O-10-37642 | Maverick Permian LLC only | Martin (Consolidated) | Andrews | 6 | 336K | 1.87M | Sep 2005 – Aug 2026 |
| Parker, J. E. O-10-4080 | Hilcorp Energy Company only | Martin (McKee) | Andrews | 21 | 264K | 488K | by Jan 1993 – Apr 2025 |
| State of Texas BK O-10-41942 | Octane Energy Operating, LLC only | Martin (Consolidated) | Andrews | 11 | 263K | 722K | Jul 2011 – Aug 2026 |
| Univ. 11 Sec. 13 O-10-36478 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 8 | 259K | 2.47M | Dec 2000 – Aug 2026 |
| University -2- O-10-36659 | BCP Resources, LLC only | Martin (Consolidated) | Andrews | 9 | 258K | 1.85M | Dec 2000 – Aug 2026 |
| Univ. II Sec. -1- O-10-28221 | Arco Permian only | Martin (Clear Fork) | Andrews | 17 | 243K | 7.33M | by Jan 1993 – Nov 2000 |
| Parker, J. E. O-10-4073 | Hilcorp Energy Company only | Martin (Ellenburger) | Andrews | 2 | 241K | 149K | by Jan 1993 – Aug 2026 |
| Parker, J. E. O-10-29788 | Exxon Mobil Corporation only | Martin, West (Fusselman) | Andrews | 5 | 219K | 802K | by Jan 1993 – Aug 2010 |
| Martin LZS O-10-10702 | Montare Operating, Ltd. only | Fuhrman-Mascho | Andrews | 20 | 215K | 233K | by Jan 1993 – Aug 2026 |
| Parker, J. E. a/C 3A O-10-36480 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 6 | 213K | 5.56M | Dec 2000 – Aug 2026 |
| University 11 Sec. 11 -F- O-10-36474 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 9 | 211K | 1.71M | Dec 2000 – Aug 2026 |
| University 12 O-10-36509 | Unitex Oil & Gas, L.L.C. only | Martin (Consolidated) | Andrews | 6 | 182K | 376K | Dec 2000 – Aug 2026 |
| Goldsmith, N. San Andres Cons. U O-10-40071 | Pecos Operating Company, LLC only | Martin (Consolidated) | Andrews | 29 | 173K | 139K | Jun 2010 – Aug 2013 |
| Univ. 11 Sec. 12 O-10-36477 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 8 | 173K | 1.76M | Dec 2000 – Aug 2026 |
| Parker, J E A/C 3A O-10-33799 | Exxon Mobil Corporation only | Martin (Clear Fork) | Andrews | 5 | 166K | 6.14M | Apr 1993 – Nov 2000 |
| University 11 Sec. 11 -A- O-10-36473 | Hilcorp Energy Company only | Martin (Consolidated) | Andrews | 6 | 160K | 2.15M | Dec 2000 – Aug 2026 |
| Lockhart O-10-40005 | Winn Operating, LLC only | Martin (Consolidated) | Andrews | 14 | 152K | 681K | Jun 2010 – Aug 2026 |
| Parker, J. E. O-10-14941 | Exxon Mobil Corporation only | Martin (Wichita) | Andrews | 7 | 149K | 454K | by Jan 1993 – Nov 2000 |
| Texas University -R- O-10-36481 | Maverick Permian LLC only | Martin (Consolidated) | Andrews | 9 | 148K | 2.72M | Dec 2000 – Feb 2026 |
| Univ.-11-Sec.-1- O-10-34382 | OXY USA Inc. only | Martin (Wolfcamp) | Andrews | 5 | 146K | 808K | Jan 1995 – Mar 2010 |
| University 35A O-10-47667 | Octane Energy Operating, LLC only | Martin (Consolidated) | Andrews | 5 | 135K | 323K | Jul 2015 – Aug 2026 |
| Lockhart O-10-4084 | Winn Operating, LLC only | Martin (McKee) | Andrews | 4 | 134K | 48.5K | by Jan 1993 – Oct 2009 |
| Andrews -3- O-10-36513 | Discovery Operating, Inc. only | Martin (Consolidated) | Andrews | 4 | 131K | 151K | Dec 2000 – Aug 2026 |
| University 11B O-10-36515 | Discovery Operating, Inc. only | Martin (Consolidated) | Andrews | 5 | 131K | 96.5K | Dec 2000 – Aug 2026 |
| University A O-10-46722 | Octane Energy Operating, LLC only | Martin (Consolidated) | Andrews | 5 | 126K | 357K | Aug 2015 – Aug 2026 |
| Wtamu University O-10-49053 | Octane Energy Operating, LLC only | Martin (Consolidated) | Andrews | 2 | 114K | 145K | Oct 2016 – Aug 2026 |
| Parker, J.E. a/C 3 "A" O-10-32099 | Hilcorp Energy Company only | Martin (McKee) | Andrews | 4 | 110K | 234K | by Jan 1993 – Jan 2025 |
| University "14-A" O-10-37109 | Energen Resources Corporation only | Martin (Wolfcamp) | Andrews | 3 | 107K | 481K | Apr 2003 – Jul 2007 |
| Martin O-10-29989 | Montare Operating, Ltd. only | Fuhrman-Mascho | Andrews | 8 | 107K | 135K | by Jan 1993 – Aug 2026 |
| Parker, J. E. O-10-29246 | Exxon Mobil Corporation only | Martin (Clear Fork, LO) | Andrews | 12 | 105K | 717K | by Jan 1993 – Nov 2000 |