| Schlosser, Fred Estate -B- O-10-26096 | XTO Energy Inc. only | Rojo Caballos (Delaware) | Pecos | 8 | 265K | 226K | Jan 1993 – Sep 2017 |
| Downie Ranch O-10-30321 | Sandridge Energy, Inc. only | Thistle (Caballos B) | Pecos | 1 | 188K | 465K | Jan 1993 – Apr 2008 |
| Downie Ranch O-10-29001 | Sandridge Energy, Inc. only | Thistle (Caballos Novaculite) | Pecos | 4 | 153K | 376K | Jan 1993 – Apr 2008 |
| Schlosser, F. et Al O-10-27515 | Chevron U. S. A. Inc. only | Rojo Caballos (Delaware) | Pecos | 4 | 77K | 76.3K | Jan 1993 – Dec 1998 |
| Downie Ranch -5- O-10-30808 | Sandridge Energy, Inc. only | Thistle (Caballos B, FB-2) | Pecos | 1 | 73.3K | 346K | Jan 1993 – Apr 2008 |
| McCarty, E.C. State O-10-26641 | Chevron U. S. A. Inc. only | Rojo Caballos (Delaware) | Pecos | 1 | 57K | 72 | Jan 1993 – Jan 1999 |
| Moore, Kathleen J O-10-26603 | Apache Corporation only | Rojo Caballos (Wolfcamp) | Pecos | 1 | 43.3K | 14.2K | Jan 1993 – Nov 2010 |
| Buechy State O-10-35183 | Breck Operating Corp. only | Rojo Caballos, W. (Delaware) | Pecos | 2 | 40.9K | 16.1K | Nov 1996 – Feb 2001 |
| Downie Ranch O-10-30041 | Sandridge Energy, Inc. only | Thistle (Caballos B, FB-2) | Pecos | 3 | 35.1K | 148K | Jan 1993 – Apr 2008 |
| McCarty O-10-19875 | DSR Oil & Gas, Inc. only | Rojo Caballos (Delaware) | Pecos | 1 | 29.5K | 53 | Jan 1993 – Apr 2026 |
| Weatherby, Ivy B. O-10-27120 | Chevron U. S. A. Inc. only | Rojo Caballos (Delaware) | Pecos | 2 | 26.9K | 13.1K | Jan 1993 – Sep 2016 |
| Moore, Kathleen J. G-10-20680 | XTO Energy Inc. only | Rojo Caballos (Penn.) | Pecos | 1 | 23.4K | 4.32M | Jan 1993 – Mar 2026 |
| Downie Ranch -6- O-10-30946 | Sandridge Energy, Inc. only | Thistle (Caballos Novaculite) | Pecos | 2 | 21.4K | 215K | Jan 1993 – Apr 2008 |
| Red Horse "29" O-10-38026 | Shenandoah Petroleum Corporation only | Rojo Caballos (Delaware) | Reeves | 6 | 16.2K | 13.9K | Dec 2006 – Oct 2020 |
| Schlosser, Fred, Estate G-10-20681 | XTO Energy Inc. only | Rojo Caballos (Penn.) | Pecos | 1 | 15.5K | 2.07M | Jan 1993 – Apr 2026 |
| Longfellow SS O-10-38316 | Longfellow Energy, LP only | Sabino (Caballos) | Pecos | 1 | 11.3K | 10.9K | May 2007 – Dec 2007 |
| Collins 31 O-10-44191 | Jones, L. E. Operating, Inc. only | Rojo Caballos, South (Wolfcamp) | Pecos | 1 | 10.8K | 6.57K | Aug 2013 – Oct 2014 |
| Weatherby, Ivy B. O-10-25576 | Apache Corporation only | Rojo Caballos (Wolfcamp) | Pecos | 1 | 8.31K | 0 | Jan 1996 – Nov 2010 |
| Longfellow G-10-165274 | Sandridge Energy, Inc. only | Pinon (Caballos) | Pecos | 1 | 5.4K | 5.63M | Jul 1997 – Jun 2007 |
| State McIntyre G-10-257358 | Endeavor Energy Resources L.P. only | Rojo Caballos (Penn, North) | Pecos | 1 | 4.8K | 751K | Mar 2010 – Jan 2015 |
| Weatherby, Ivy B. G-10-94140 | Chevron U. S. A. Inc. only | Rojo Caballos (Miss.) | Pecos | 1 | 4.12K | 5.07M | Jan 1993 – Apr 2026 |
| Longfellow G-10-174984 | Sandridge Energy, Inc. only | Bitterweed, S. (Caballos) | Pecos | 1 | 3.34K | 6.11M | Oct 1999 – Jun 2007 |
| Schlosser, Fred Estate G-10-184879 | Chevron U. S. A. Inc. only | Rojo Caballos (Miss.) | Pecos | 1 | 2.76K | 1.49M | Jul 2001 – Apr 2026 |
| Downie Ranch -5- O-10-29262 | Sandridge Energy, Inc. only | Thistle (Caballos B) | Pecos | 1 | 2.35K | 9.28K | Feb 1994 – Apr 2008 |
| Longfellow State -600- E O-10-47074 | Sandridge Expl. and Prod., LLC only | Sabino (Caballos) | Pecos | 1 | 2.35K | 59.8K | Nov 2005 – Nov 2014 |
| Stewart O-10-35899 | Breck Operating Corp. only | Rojo Caballos, W. (Delaware) | Pecos | 1 | 2.26K | 0 | Sep 1998 – Oct 2001 |
| Longfellow G-10-169407 | Sandridge Energy, Inc. only | Bitterweed, S. (Caballos) | Pecos | 1 | 2.13K | 13.4M | May 1998 – May 2007 |
| Hoelscher et Al G-10-168705 | XTO Energy Inc. only | Rojo Caballos (Penn.) | Pecos | 1 | 1.56K | 871K | Jan 1998 – Mar 2026 |
| West Ranch 5 G-10-167275 | Longfellow Energy, LP only | Bitterweed, S. (Caballos) | Pecos | 1 | 1.39K | 3.59M | Jan 1998 – Mar 2024 |
| State McIntyre G-10-275755 | XTO Energy Inc. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 1.21K | 3.67M | Jan 2014 – Mar 2026 |
| Schlosser, Fred Estate "B" G-10-87588 | XTO Energy Inc. only | Rojo Caballos (Penn, North) | Pecos | 1 | 1.14K | 1.02M | Jan 1993 – Aug 2017 |
| Schlosser O-10-35819 | Scythian, Ltd. only | Rojo Caballos (Cherry Canyon) | Pecos | 1 | 1.12K | 0 | Sep 1997 – Jan 1998 |
| Longfellow G-10-167293 | Sandridge Energy, Inc. only | Pinon (Caballos) | Pecos | 1 | 808 | 2.02M | Jan 1998 – Jun 2007 |
| Schlosser, Fred Estate G-10-115370 | Chevron U. S. A. Inc. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 808 | 152K | Jan 1993 – Jul 2001 |
| West Ranch G-10-178351 | Sandridge Energy, Inc. only | Algerita (Ouachita Caballos) | Pecos | 1 | 623 | 344K | Jul 2000 – Apr 2005 |
| Moore, Kathleen J. "B" G-10-136145 | XTO Energy Inc. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 465 | 8.53M | Jan 1993 – Apr 2026 |
| Cross, R. B. 21 G-10-170171 | XTO Energy Inc. only | Rojo Caballos (Penn.) | Pecos | 1 | 391 | 425K | Aug 1998 – Apr 2026 |
| West Ranch G-10-183910 | Sandridge Energy, Inc. only | Bitterweed, S. (Caballos) | Pecos | 1 | 357 | 1.51M | Sep 2001 – Jun 2007 |
| Schlosser, Fred Estate B G-10-101191 | Mobil Producing TX. & N.M. Inc. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 352 | 13.9K | Jan 1993 – Jan 2001 |
| Weatherby, Ivy B. G-10-87074 | Chevron U. S. A. Inc. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 337 | 1.21M | Jan 1993 – Jan 2021 |
| Schlosser, F. et Al G-10-62117 | Chevron U. S. A. Inc. only | Rojo Caballos, South (Ellen.) | Pecos | 1 | 281 | 498K | Jan 1993 – Apr 2026 |
| Downie Ranch O-10-29902 | Sandridge Energy, Inc. only | Thistle (Caballos Novaculite FB2 | Pecos | 2 | 236 | 1.9K | Jan 1993 – Aug 1993 |
| Downie Ranch -6- O-10-31001 | Sandridge Energy, Inc. only | Thistle (Caballos B) | Pecos | 1 | 133 | 3.21K | Oct 1993 – Mar 1994 |
| Ball, Fred O-10-34191 | Olsen Energy Inc. only | Girvintex (Tubb) | Pecos | 1 | 129 | 0 | May 1994 – Jul 1994 |
| Longfellow 600 3 G-10-182399 | Sandridge Energy, Inc. only | Pinon (Caballos) | Pecos | 1 | 119 | 5.61M | Apr 2001 – Jun 2007 |
| Buechy State "28" G-10-195318 | Chevron Midcontinent, L.P. only | Rojo Caballos, South (Atoka) | Pecos | 1 | 104 | 4.49M | Nov 2002 – Apr 2026 |
| State McIntyre Unit G-10-63295 | Merit Energy Company only | Rojo Caballos, South (Ellen.) | Pecos | 1 | 82 | 1.58M | Jan 1993 – Dec 2003 |
| Holbert G-10-90633 | Chevron Midcontinent, L.P. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 20 | 1.59M | Jan 1993 – Apr 2026 |
| O'Hanlon O-10-33054 | K.W.A., Inc. only | Rojo Caballos (Delaware) | Pecos | 1 | 19 | 14 | Jan 1993 – Feb 1994 |
| West Ranch G-10-158307 | Sandridge Energy, Inc. only | Rio Caballos (Caballos) | Pecos | 1 | 6 | 25.8K | Apr 1996 – Jul 1996 |