| McKenzie 85 O-10-37547 | Robert C. Brower, LLC only | Walker (Penn Detrital) | Pecos | 2 | 151K | 63.4K | Jun 2005 – Jun 2026 |
| University O-10-7162 | Tres Roughneckas WTX LLC only | Walker | Pecos | 10 | 131K | 21 | by Jan 1993 – Mar 2023 |
| McKenzie 85 G-10-184469 | Alpine Gas Company, LLC only | Walker (Penn Detrital) | Pecos | 1 | 119K | 2.76M | Dec 2001 – May 2005 |
| Walker, A. B. O-10-11325 | Basin Oil & Gas Operating, LLC only | Abell, East (Waddell, W. Seg.) | Pecos | 1 | 111K | 184K | by Jan 1993 – Aug 2026 |
| McKenzie State 6 O-10-37543 | Wyatt Permian, LLC only | Walker (Penn Detrital) | Pecos | 1 | 93.5K | 25.7K | Jun 2005 – Jun 2014 |
| McKenzie State 6 G-10-184468 | Alpine Gas Company, LLC only | Walker (Penn Detrital) | Pecos | 1 | 43.4K | 435K | Dec 2001 – May 2005 |
| Walker G-10-56377 | Mongoose Energy, LLC only | Gomez (Ellenburger) | Pecos | 1 | 42.7K | 11.9M | by Jan 1993 – Aug 2026 |
| University "E & F" O-10-22742 | Tres Roughneckas WTX LLC only | Walker | Pecos | 3 | 37.3K | 21 | by Jan 1993 – Feb 2024 |
| White & Baker -S- O-10-27013 | Acorn Oil & Gas, LLC only | Walker | Pecos | 3 | 24.1K | 6.86K | by Jan 1993 – Aug 2026 |
| White & Baker -P- O-10-7171 | Baker Operating, Inc. only | Walker | Pecos | 5 | 20.8K | 8.52K | by Jan 1993 – Aug 2026 |
| White & Baker O-10-7182 | Baker Operating, Inc. only | Walker | Pecos | 2 | 16.7K | 319 | by Jan 1993 – Jan 2025 |
| White & Baker State G-10-267216 | Tatanka Operating, LLC only | Walker (Penn Detrital) | Pecos | 1 | 16.2K | 1.1M | Dec 2012 – May 2019 |
| Wilson 33 O-10-53999 | SBJ Oil & Gas, LLC only | Walker (Penn Detrital) | Pecos | 2 | 12.9K | 0 | Aug 2018 – Aug 2026 |
| State Walker "B" O-10-8257 | Caroil, LLC only | Brown & Thorp (Clear Fork) | Pecos | 1 | 12.2K | 21 | by Jan 1993 – Aug 2026 |
| White & Baker State O-10-51765 | SBJ Oil & Gas, LLC only | Walker (Penn Detrital) | Pecos | 1 | 11.3K | 0 | Jun 2019 – Mar 2023 |
| White & Baker -A- O-10-25760 | Baker Operating, Inc. only | Walker | Pecos | 1 | 11.1K | 7.02K | by Jan 1993 – Aug 2026 |
| White & Baker -J- O-10-7170 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 19 | 10.9K | 21 | by Jan 1993 – Apr 1998 |
| Indian Mesa O-10-41805 | SBJ Oil & Gas, LLC only | Walker (Penn Detrital) | Pecos | 1 | 7.43K | 24.1K | May 2011 – Jun 2023 |
| White & Baker -H- O-10-7160 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 4 | 5.72K | 21 | by Jan 1993 – Jun 1998 |
| White & Baker -H- O-10-25315 | Wyatt Permian, LLC only | Walker | Pecos | 4 | 3.89K | 14.9K | by Jan 1993 – Feb 2018 |
| White & Baker -A- O-10-7157 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 3 | 3.56K | 21 | by Jan 1993 – May 1998 |
| White & Baker -L- O-10-7180 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 1 | 3.53K | 21 | by Jan 1993 – Apr 1998 |
| Walker, S. O-10-11949 | Incline Energy only | Abell, Southeast (Clear Fork) | Pecos | 1 | 3.26K | 160 | by Jan 1993 – Dec 2009 |
| White & Baker -B- O-10-7158 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 2 | 3.12K | 21 | by Jan 1993 – Apr 1998 |
| White&baker -E- /Stanolind -B-/ O-10-7178 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 4 | 3.05K | 21 | by Jan 1993 – Apr 1998 |
| Walker, F. O-10-20594 | Remuda Operating Company only | Abell (Permian 3800) | Pecos | 1 | 2.77K | 59 | by Jan 1993 – Nov 1997 |
| White & Baker -B- O-10-9192 | Wyatt Permian, LLC only | Walker | Pecos | 5 | 2.25K | 22.1K | by Jan 1993 – Jan 2018 |
| White & Baker -M- O-10-7181 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 1 | 2.06K | 20 | Feb 1993 – Oct 1996 |
| White & Baker -C- O-10-7159 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 1 | 1.81K | 18 | Mar 1993 – Oct 1996 |
| Wilson 33 G-10-282568 | SBJ Oil & Gas, LLC only | Walker (Penn Detrital) | Pecos | 1 | 1.59K | 283K | May 2017 – Mar 2021 |
| White & Baker "N" O-10-7174 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 3 | 1.46K | 19 | by Jan 1993 – May 1998 |
| White & Baker "O" O-10-7175 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 3 | 1.39K | 21 | by Jan 1993 – Feb 1998 |
| Walker 58 O-10-48413 | Wyatt Permian, LLC only | Walker (Penn Detrital) | Pecos | 1 | 1.08K | 0 | Sep 2016 – Mar 2018 |
| State-Walker O-10-515 | Energen Resources Corporation only | Brown & Thorp (Clear Fork) | Pecos | 1 | 1.04K | 21 | by Jan 1993 – Jun 1997 |
| Walker "A" G-10-57250 | Mongoose Energy, LLC only | Gomez (Ellenburger) | Pecos | 1 | 953 | 463K | by Jan 1993 – Aug 2026 |
| White & Baker O-10-7163 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 9 | 503 | 16 | by Jan 1993 – May 1998 |
| White & Baker -G- O-10-7161 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 4 | 483 | 13 | Jun 1993 – Mar 1998 |
| University -G- O-10-25619 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 3 | 329 | 0 | Mar 1996 – Apr 1998 |
| White & Parker "C-2" O-10-28094 | Bustos, Martin Oil only | Walker | Pecos | 1 | 132 | 1.05K | by Jan 1993 – May 2009 |
| White & Baker "P" O-10-7176 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 2 | 63 | 11 | Jul 1993 – Apr 1998 |
| Walker G-10-52367 | Mongoose Energy, LLC only | Gomez (Ellenburger) | Pecos | 1 | 33 | 510K | by Jan 1993 – Feb 2013 |
| University -B- O-10-7165 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 8 | 7 | 4 | Mar 1994 – Nov 1997 |
| Walker "A" G-10-59626 | Mongoose Energy, LLC only | Gomez (Ellenburger) | Pecos | 1 | 6 | 2.03M | by Jan 1993 – Jul 2015 |
| Walker State O-10-20880 | Lawrence, C. F. & Assoc. Inc. only | Lenlaw (Tubb 3130) | Pecos | 1 | 0 | 0 | — |
| Thrapp-Walker O-10-30129 | Skaar, K. M. Oil & Gas Co. only | Abell, East (Glorieta-Oil) | Pecos | 1 | 0 | 0 | — |
| Indian Mesa 49 O-10-41530 | Bandera Development GP, LLC only | Walker (Penn Detrital) | Pecos | 1 | 0 | 0 | — |
| University -E- O-10-25594 | Lawrence, C. F. & Assoc. Inc. only | Walker | Pecos | 1 | 0 | 0 | — |
| Walker, Charles G-10-87269 | Wolf Energy, Inc. only | Cobb (Devonian) | Pecos | 1 | 0 | 1.2M | by Jan 1993 – Aug 2019 |
| Ritter-Walker Iowa Realty Trust O-10-4796 | Boland Oil & Gas only | Pecos Valley (Low Gravity) | Pecos | 5 | 0 | 0 | — |