| Cowden Estate et Al O-10-33183 | Scout Energy Management LLC only | Dollarhide, East (Devonian) | Andrews | 17 | 2.41M | 2.9M | by Jan 1993 – Aug 2026 |
| Cowden Estate et Al O-10-13599 | Scout Energy Management LLC only | Dollarhide, East (Ellenburger) | Andrews | 9 | 875K | 949K | by Jan 1993 – Jan 2014 |
| Thornberry, M. A.estate B-BK O-10-14587 | Crescent Energy Operating, LLC only | Fuhrman-Mascho | Andrews | 16 | 340K | 331K | by Jan 1993 – Aug 2026 |
| Hedberg Estate "E" O-10-34391 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 1 | 235K | 918K | Jan 1995 – Jul 2011 |
| Hedberg Estate "C" O-10-33750 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 2 | 225K | 766K | Mar 1993 – Jul 2011 |
| Hedberg Estate "F" O-11-68877 | Texland Petroleum, L.P. only | Dempsey Creek (San Andres) | Andrews | 2 | 210K | 270 | Dec 2005 – Aug 2026 |
| Hedberg Estate "F" O-10-35133 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 2 | 153K | 507K | Nov 1996 – Jul 2011 |
| Crews Estate O-10-44232 | Vin Fisher Operating, Inc. only | Shafter Lake, N. (San Andres) | Andrews | 7 | 142K | 60K | Jul 2013 – Aug 2026 |
| Cox Estate O-10-20611 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 5 | 105K | 117K | by Jan 1993 – Aug 2026 |
| Hedberg Estate -A- O-10-31343 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 1 | 76.6K | 210K | by Jan 1993 – Jul 2011 |
| Parker, J.E. Estate O-10-34656 | Sheridan Production Company, LLC only | Martin (Tubb) | Andrews | 2 | 71.9K | 1.22M | Oct 1995 – May 2010 |
| Hedberg Estate O-10-29136 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 1 | 67.4K | 170K | by Jan 1993 – Jul 2011 |
| Hedberg Estate "D" O-10-33969 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 2 | 64.9K | 180K | Oct 1993 – Jul 2011 |
| Parker, J. E. Estate -B- O-10-32578 | Huntington Energy, L.L.C. only | Martin (Clear Fork) | Andrews | 2 | 52K | 367K | by Jan 1993 – May 2010 |
| Cox Estate "8" O-11-66726 | Texland Petroleum, L.P. only | Dempsey Creek (San Andres) | Andrews | 2 | 47.7K | 7.07K | by Jan 1993 – Aug 2026 |
| Parker, J. E. Estate -B- O-10-37246 | Winn Operating, LLC only | Martin (Consolidated) | Andrews | 4 | 46.2K | 391K | Dec 2002 – Aug 2026 |
| Hedberg Estate -B- O-10-31770 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 1 | 39.8K | 143K | by Jan 1993 – Jul 2011 |
| Parker, J. E., Estate O-10-34980 | R3 Operating Corporation only | Fuhrman-Mascho | Andrews | 2 | 37.9K | 23K | Jun 1996 – Jul 2026 |
| Parker, J.E., Estate "B" O-10-24070 | R3 Operating Corporation only | Fuhrman-Mascho | Andrews | 1 | 33.2K | 3.84K | by Jan 1993 – Feb 2026 |
| Parker, J. E. Estate O-10-36483 | Unitex Oil & Gas, L.L.C. only | Martin (Consolidated) | Andrews | 2 | 31.4K | 88K | Jun 2010 – Aug 2026 |
| Terry Estate O-10-24367 | Flat Top Operating, LLC only | Smith (Clear Fork) | Andrews | 1 | 31.2K | 26.9K | by Jan 1993 – Aug 2026 |
| Fisher, M. M., Estate -B- O-10-12542 | Capstone Natural Resources, LLC only | Shafter Lake (San Andres) | Andrews | 2 | 30.8K | 20 | by Jan 1993 – Jul 2012 |
| Howell Estate O-10-30436 | Bustamante Resources LLC only | McFarland, East (Queen) | Andrews | 1 | 25.4K | 396 | by Jan 1993 – Aug 2026 |
| Parker, J.E. Estate O-10-33545 | Oryx Energy Company only | Martin (Clear Fork) | Andrews | 2 | 21.5K | 750K | by Jan 1993 – Sep 1995 |
| Parker, J.E. Estate -B- O-10-32414 | Huntington Energy, L.L.C. only | Martin (Clear Fork, LO) | Andrews | 2 | 19.5K | 277K | by Jan 1993 – Nov 2002 |
| Moxley, G. E. Estate O-10-20048 | Coda Energy, Inc. only | Andrews (Wolfcamp) | Andrews | 2 | 19K | 17K | by Jan 1993 – Sep 1995 |
| Cox Estate O-11-70424 | Texland Petroleum, L.P. only | Dempsey Creek (San Andres) | Andrews | 1 | 18.4K | 37 | Nov 2015 – Aug 2026 |
| Parker, J. E. Estate -B- O-10-18572 | Huntington Energy, L.L.C. only | Goldsmith, N. (San Andres, Con.) | Andrews | 2 | 16K | 24.9K | by Jan 1993 – Nov 2002 |
| Parker, J. E. Estate -A O-10-36484 | Unitex Oil & Gas, L.L.C. only | Martin (Consolidated) | Andrews | 2 | 15.6K | 105K | Jun 2010 – Aug 2026 |
| King Estate O-10-1712 | Chesapeake Operating, Inc. only | Fuhrman-Mascho | Andrews | 1 | 14.6K | 10.4K | by Jan 1993 – Oct 2003 |
| Parker, J.E. Estate -A- O-10-33629 | Oryx Energy Company only | Martin (Clear Fork) | Andrews | 2 | 14K | 972K | by Jan 1993 – Aug 1995 |
| Holt, O. B., Jr., Estate O-10-14195 | Kenworthy Oil Company only | Cowden, North | Andrews | 4 | 10.1K | 36 | by Jan 1993 – Dec 2023 |
| Hannah Estate O-10-377 | Abarta Oil & Gas Co., Inc. only | Block a-34, Northwest (Glorieta) | Andrews | 2 | 3.87K | 32 | by Jan 1993 – Oct 1996 |
| Hancock Estate -B- O-10-29108 | Maralo, Inc. only | Deep Rock (Penn.) | Andrews | 1 | 3.18K | 906 | by Jan 1993 – Mar 1995 |
| Moxley, G.E. Estate O-10-34683 | Coda Energy, Inc. only | Andrews (Wolfcamp-Penn.) | Andrews | 2 | 2.9K | 2.56K | Oct 1995 – Jun 1996 |
| Cowden Estate et Al O-10-33182 | Chevron Midcontinent, L.P. only | Dollarhide, East (Silurian) | Andrews | 4 | 2.57K | 2.83K | Apr 1993 – Dec 1993 |
| Cox Estate O-10-40676 | Texland Petroleum, L.P. only | Boydell, S. (Wichita-Albany) | Andrews | 1 | 1.31K | 0 | Oct 2010 – Nov 2014 |
| Wentz, L.H. Estate O-10-26074 | Endeavor Energy Resources L.P. only | Means | Andrews | 6 | 1.24K | 871 | by Jan 1993 – Feb 1998 |
| Parker, J. E. Estate -A- O-10-32013 | Kerr-McGee Oil & Gas Onshore LLC only | Martin (Clear Fork, LO) | Andrews | 2 | 701 | 4.14K | by Jan 1993 – Feb 1993 |
| Hedberg Estate 'B' O-11-71279 | Texland Petroleum, L.P. only | Dempsey Creek (San Andres) | Andrews | 1 | 481 | 45 | Nov 2022 – May 2023 |
| Crews, E. R. Estate G-10-137949 | B & R Contracting only | Shafter Lake (Yates) | Andrews | 1 | 0 | 0 | — |
| Hedberg Estate "F" O-10-41172 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 1 | 0 | 0 | — |
| Lonis Estate O-10-14950 | MW Petroleum Corporation only | Bakke (Ellenburger) | Andrews | 2 | 0 | 0 | — |
| Lonis Estate O-10-28746 | Apache Corporation only | Parker (Grayburg, San Andres) | Andrews | 1 | 0 | 0 | — |
| Parker, J. E. Estate O-10-31666 | Kerr-McGee Oil & Gas Onshore LLC only | Martin (Clear Fork, LO) | Andrews | 2 | 0 | 0 | — |
| Hannah Estate O-11-69325 | 3 Knight's LLC only | Harris (San Andres) | Andrews | 1 | 0 | 0 | — |
| Crews, E. R. Estate G-10-20774 | Tom Operating and Minerals LLC only | Shafter Lake (Yates) | Andrews | 1 | 0 | 77.2K | by Jan 1993 – Aug 2026 |