| McKenzie 85 O-10-37547 | Robert C. Brower, LLC only | Walker (Penn Detrital) | Pecos | 2 | 151K | 63.4K | Jun 2005 – Jun 2026 |
| Roberta "A" O-10-30770 | Burleson, Lewis B. Inc. only | Belding (Yates) | Pecos | 5 | 18.4K | 27.3K | by Jan 1993 – Jul 1994 |
| Robbins, Jerusha et al "A" O-10-34442 | Chevron U. S. A. Inc. only | Chimichanga (Wolfcamp) | Pecos | 1 | 14.2K | 43.4K | Mar 1995 – Jul 1995 |
| Cities Service et Al G-10-124211 | Robertson Resources, Inc. only | Putnam (Wichita-Albany) | Pecos | 1 | 13K | 2.88M | by Jan 1993 – Jun 2026 |
| Roberta O-10-29100 | Burleson, Lewis B. Inc. only | Belding (Yates) | Pecos | 5 | 12.5K | 26.2K | by Jan 1993 – Jul 1994 |
| Heiner, Robert G., -D- O-10-15691 | Eagle Rock Operating Company,llc only | Heiner (Montoya) | Pecos | 1 | 11.7K | 89.6K | by Jan 1993 – Apr 2005 |
| Cities Service et Al G-10-79902 | Robertson Resources, Inc. only | Putnam (Wolfcamp) | Pecos | 1 | 6.73K | 2.94M | by Jan 1993 – Jun 2026 |
| Robbins, Jerusha et al "A" O-10-35044 | Chevron U. S. A. Inc. only | Chimichanga (Wolfcamp) | Pecos | 1 | 5.39K | 46.2K | Jul 1996 – Apr 1997 |
| Robbins "A" G-10-179120 | White Rock Oil & Gas, LLC only | Puckett (Ellenburger) | Pecos | 1 | 4.2K | 15.9M | Aug 2000 – Aug 2026 |
| Roberta "J" O-10-24828 | Burleson, Lewis B. Inc. only | Belding (Yates) | Pecos | 2 | 3.17K | 23 | by Jan 1993 – Jul 1994 |
| Robbins, J. W. 1A G-10-183046 | XTO Energy Inc. only | Puckett (Strawn) | Pecos | 1 | 3.13K | 614K | Apr 2001 – Jul 2019 |
| Robbins, Jerusha et al "A" G-10-156175 | Chevron U. S. A. Inc. only | Chimichanga (Wolfcamp) | Pecos | 1 | 2.91K | 16.8K | Aug 1995 – Jun 1996 |
| Roberts A G-10-125080 | Incline Energy only | Fort Stockton | Pecos | 1 | 2.55K | 619K | by Jan 1993 – May 2019 |
| Robbins, Jerusha, et al -A- G-10-20628 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 2.26K | 18.9M | by Jan 1993 – Jul 2019 |
| Robbins, J. W., I G-10-20660 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 2.03K | 34.4M | by Jan 1993 – Jul 2019 |
| Robbins -A- G-10-20654 | Phillips Petroleum Company only | Puckett (Ellenburger) | Pecos | 1 | 1.62K | 17M | by Jan 1993 – Aug 2000 |
| Robbins, Jerusha, et al -A- G-10-20631 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 1.59K | 25.8M | by Jan 1993 – Jul 2019 |
| Robbins, J. W., 1-A G-10-20661 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 1.1K | 4.16M | by Jan 1993 – Dec 2005 |
| Robbins, Jerusha Etal "A" O-10-34393 | Chevron U. S. A. Inc. only | Puckett (Strawn) | Pecos | 1 | 1.07K | 1 | Feb 1995 – Feb 1995 |
| Robbins, J. W. G-10-193232 | Chevron Midcontinent, L.P. only | Puckett (Ellenburger) | Pecos | 1 | 710 | 18.8M | Mar 2002 – Feb 2016 |
| Robbins, Jerusha, et al -A- G-10-20632 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 665 | 1.69M | by Jan 1993 – Dec 2007 |
| Nutt G-10-161163 | Robertson Resources, Inc. only | Bob-Rob (Upper Wolfcamp) | Pecos | 1 | 656 | 788K | Nov 1996 – Jul 2026 |
| Robbins, Jerusha, et al -A- G-10-20633 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 576 | 19.3M | by Jan 1993 – Jul 2019 |
| Robbins, J. W. G-10-161614 | Chevron Midcontinent, L.P. only | Puckett (Ellenburger) | Pecos | 1 | 558 | 12.9M | Dec 1996 – Mar 2002 |
| Robbins, Jerusha, et al -A- G-10-20629 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 519 | 12.5M | by Jan 1993 – Jul 2019 |
| Robbins, Jerusha, Etal-A-/NCT-B/ G-10-20606 | XTO Energy Inc. only | Puckett (Devonian) | Pecos | 1 | 403 | 1.47M | by Jan 1993 – Jul 2019 |
| Nutt 102A G-10-162596 | Robertson Resources, Inc. only | Bob-Rob (Upper Wolfcamp) | Pecos | 1 | 367 | 512K | Mar 1997 – Jul 2026 |
| Robbins, Jerusha, et al -A- G-10-20630 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 347 | 19.5M | by Jan 1993 – Dec 2017 |
| Robbins, Jerusha, et al -A- G-10-20627 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 327 | 11.4M | by Jan 1993 – Jul 2019 |
| Robbins, J. W., -1-B- G-10-20662 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 325 | 2.37M | by Jan 1993 – Feb 2006 |
| Robbins, J. W. G-10-20623 | Chevron Midcontinent, L.P. only | Puckett (Ellenburger) | Pecos | 1 | 277 | 3.11M | by Jan 1993 – Jan 1997 |
| Jerusha Robbins et al "A" G-10-171292 | Hilcorp Energy Company only | Puckett (Ellenburger) | Pecos | 1 | 216 | 13.4M | May 1998 – Jul 2019 |
| Robbins, Jerusha, et al -A- G-10-20625 | Chevron U. S. A. Inc. only | Puckett (Ellenburger) | Pecos | 1 | 202 | 6.14M | by Jan 1993 – Apr 1998 |
| Robbins, Jerusha, et al -A- G-10-20626 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 199 | 22M | by Jan 1993 – Jul 2019 |
| Cities Service et Al G-10-77169 | Robertson Resources, Inc. only | Putnam (Wichita-Albany) | Pecos | 1 | 181 | 704K | by Jan 1993 – Jun 2026 |
| Robbins, J. W. G-10-20634 | White Rock Oil & Gas, LLC only | Puckett (Ellenburger) | Pecos | 1 | 163 | 18.1M | by Jan 1993 – Feb 2020 |
| Robbins, J. W. G-10-20603 | Chevron Midcontinent, L.P. only | Puckett (Devonian) | Pecos | 1 | 125 | 1.4M | by Jan 1993 – Sep 2019 |
| Cities Service et Al G-10-79903 | Robertson Resources, Inc. only | Putnam (Wichita-Albany) | Pecos | 1 | 86 | 754K | by Jan 1993 – Jun 2026 |
| Robbins, Jerusha, et al -A- G-10-183047 | XTO Energy Inc. only | Puckett (Devonian) | Pecos | 1 | 79 | 43.8K | Sep 2001 – May 2019 |
| Robbins, J. W. G-10-20610 | White Rock Oil & Gas, LLC only | Puckett (Devonian) | Pecos | 1 | 46 | 1.96M | by Jan 1993 – Aug 2026 |
| Robbins, J. W., 1A G-10-20621 | Chevron U. S. A. Inc. only | Puckett (Devonian) | Pecos | 1 | 39 | 87.7K | by Jan 1993 – Jul 1999 |
| Robbins, Jerusha, et al -A- G-10-20608 | XTO Energy Inc. only | Puckett (Devonian) | Pecos | 1 | 32 | 564K | by Jan 1993 – Jul 2019 |
| Robbins, Jerusha Etal "A" G-10-166664 | XTO Energy Inc. only | Puckett (Wolfcamp) | Pecos | 1 | 6 | 3.65K | Jun 1997 – Apr 1998 |
| McDonald G-10-156336 | Glossop, Robert L. only | Wilbros (Queen) | Pecos | 1 | 6 | 2.49K | Oct 1995 – Apr 1996 |
| Roberts A G-10-123633 | Incline Energy only | Fort Stockton (Yates P. B.) | Pecos | 1 | 2 | 98.6K | by Jan 1993 – Oct 2009 |
| Cities Service et Al G-10-47182 | Glossop, Robert L. only | Putnam (Wolfcamp) | Pecos | 1 | 0 | 0 | — |
| Robbins, J. W. 1-A G-10-258436 | XTO Energy Inc. only | Puckett (Devonian) | Pecos | 1 | 0 | 33.5K | Feb 2006 – Jun 2019 |
| Roberts, W. E. G-10-19854 | Graham, Bill J. Oil & Gas Corp. only | Fort Stockton | Pecos | 1 | 0 | 494 | by Jan 1993 – Dec 1995 |
| Robbins -A- G-10-192987 | White Rock Oil & Gas, LLC only | Wildcat | Pecos | 1 | 0 | 0 | — |
| McKenzie 85 O-10-36801 | Robert C. Brower, LLC only | Wildcat | Pecos | 1 | 0 | 0 | — |