| West Ranch G-10-259531 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 364 | 98.4K | Jun 2010 – Jun 2025 |
| West Ranch G-10-237990 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 364 | 1.41M | Jan 2008 – Sep 2025 |
| Cannon-Allison "84" G-10-70020 | Hawkins Oil & Gas, Inc. only | Sheffield, SW. (Strawn) | Pecos | 1 | 363 | 118K | by Jan 1993 – Nov 1996 |
| Pryor O-10-24556 | Warren, Joe H. only | Four C (San Andres) | Pecos | 1 | 362 | 10 | by Jan 1993 – Oct 1993 |
| Chalkley "B" O-10-33677 | Pedco Resources Company only | Lehn-Apco, South (Queen) | Pecos | 1 | 362 | 100 | by Jan 1993 – Apr 1993 |
| West Ranch G-10-220038 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 360 | 1.2M | Jun 2006 – Jul 2026 |
| Longfellow State "A" G-10-241260 | Longfellow Energy, LP only | Allison Ranch (Wolfcamp) | Pecos | 1 | 360 | 378K | Oct 2007 – Jul 2026 |
| West Ranch G-10-249732 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 359 | 1.2M | Feb 2008 – Dec 2025 |
| Longfellow G-10-259465 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 358 | 852K | Sep 2010 – Aug 2026 |
| Allison G-10-239307 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 357 | 65.5K | Apr 2008 – Jun 2025 |
| West Ranch G-10-183910 | Sandridge Energy, Inc. only | Bitterweed, S. (Caballos) | Pecos | 1 | 357 | 1.51M | Sep 2001 – Jun 2007 |
| Irt "31" O-10-39481 | Incline Energy only | Pecos Valley (Wolfcamp) | Pecos | 1 | 356 | 3.11K | Feb 2009 – May 2010 |
| West Ranch G-10-237941 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 355 | 673K | Feb 2008 – Feb 2026 |
| West Ranch G-10-259471 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 354 | 1.47M | Nov 2010 – Apr 2025 |
| Breen, J. W. -B- O-10-4777 | Pinnacle Mining Corporation only | Pecos Valley (High Gravity) | Pecos | 4 | 353 | 50 | by Jan 1993 – Dec 1997 |
| Schlosser, Fred Estate B G-10-101191 | Mobil Producing TX. & N.M. Inc. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 352 | 13.9K | by Jan 1993 – Jan 2001 |
| Holland, Mabel O-10-35792 | Tema Oil and Gas Company only | Troporo (Devonian) | Pecos | 1 | 352 | 0 | Jan 1998 – Apr 2000 |
| Mitchell-Thomas Unit 1 G-10-20618 | XTO Energy Inc. only | Puckett (Devonian) | Pecos | 1 | 349 | 1.4M | by Jan 1993 – Jan 1999 |
| Hodge, J. Howard G-10-41982 | XTO Energy Inc. only | Waha (Ellenburger) | Pecos | 1 | 348 | 1.03M | by Jan 1993 – Aug 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 |
| Masterson, M. I. B O-10-37702 | Earnest Producing Corporation only | Wieblaw (Wichita-Albany) | Pecos | 2 | 347 | 6.7K | Jun 2006 – May 2013 |
| Queen O-10-25394 | Earnest Producing Corporation only | Lehn-Apco (1600) | Pecos | 1 | 347 | 33 | by Jan 1993 – Dec 1998 |
| West Ranch G-10-234608 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 347 | 2.1M | Oct 2007 – Aug 2026 |
| Trees 24 O-10-38784 | Samson Lone Star, LLC only | Burns (Cherry Canyon) | Pecos | 1 | 346 | 783 | Mar 2008 – Dec 2008 |
| Eaton, H. J. O-10-1433 | Double D Oil only | Fort Stockton | Pecos | 6 | 346 | 48 | Feb 1993 – Sep 1997 |
| West Ranch G-10-241259 | Longfellow Energy, LP only | Allison Ranch (Wolfcamp) | Pecos | 1 | 345 | 111K | Jan 2008 – Feb 2025 |
| University 11A O-10-26724 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 342 | 2.81K | Dec 1995 – Oct 2008 |
| Longfellow G-10-219777 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 340 | 899K | May 2006 – Jun 2025 |
| Weatherby, Ivy B. G-10-87074 | Chevron U. S. A. Inc. only | Rojo Caballos, South (Devonian) | Pecos | 1 | 337 | 1.21M | by Jan 1993 – Jan 2021 |
| West Ranch G-10-197593 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 336 | 400K | Aug 2003 – May 2025 |
| West Ranch G-10-234903 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 335 | 4.62M | Sep 2007 – Mar 2024 |
| Taylor, Smith O-10-44696 | Kinder Morgan Production Co LLC only | Yates (Wichita-Albany) | Pecos | 1 | 334 | 1.84K | Sep 2013 – Sep 2013 |
| Longfellow G-10-192531 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 334 | 1.13M | Sep 2002 – Aug 2026 |
| Cerf 9 G-10-154241 | Longfellow Energy, LP only | Cerf (Wolfcamp) | Pecos | 1 | 333 | 41.8K | Oct 1994 – Dec 1997 |
| Pecos Olix O-10-48514 | Arch Oil & Gas, LLC only | Payton (Devonian) | Pecos | 1 | 332 | 0 | Feb 2016 – Sep 2017 |
| West Ranch G-10-245683 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 331 | 53.1K | Mar 2008 – Dec 2012 |
| University -G- O-10-25619 | Oilex Int'l Investments, Inc. only | Walker | Pecos | 3 | 329 | 0 | Mar 1996 – Apr 1998 |
| Robbins, Jerusha, et al -A- G-10-20627 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 327 | 11.4M | by Jan 1993 – Jul 2019 |
| U.V.I. "A" O-10-23887 | Riata Energy, Inc. only | Brooklaw (Clear Fork, Lower) | Pecos | 1 | 326 | 35 | by Jan 1993 – May 1999 |
| Robbins, J. W., -1-B- G-10-20662 | XTO Energy Inc. only | Puckett (Ellenburger) | Pecos | 1 | 325 | 2.37M | by Jan 1993 – Feb 2006 |
| West Ranch 5 G-10-167273 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 324 | 997K | Jan 1998 – Apr 2022 |
| Nutt, J. L. Estate -A- O-10-34478 | Diamond G Production only | Barbasal (Queen) | Pecos | 1 | 323 | 870 | Mar 1995 – Dec 1997 |
| Tyrrell, W. C., Unit No. 1 G-10-80731 | Pure Resources, L.P. only | Gomez, NW. (Wolfcamp) | Pecos | 1 | 323 | 584K | by Jan 1993 – Aug 2001 |
| West Ranch G-10-239302 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 322 | 357K | Dec 2007 – Feb 2025 |
| Longfellow G-10-249729 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 322 | 1.11M | Feb 2008 – Jul 2026 |
| Allison G-10-273506 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 321 | 661K | Oct 2010 – Feb 2025 |
| Longfellow G-10-188448 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 320 | 855K | Apr 2002 – Mar 2026 |
| West Ranch G-10-227107 | Longfellow Energy, LP only | Allison Ranch (Wolfcamp) | Pecos | 1 | 320 | 68K | Feb 2007 – Nov 2007 |
| Giesecke, A. et Al G-10-161384 | Parallel Petroleum Corporation only | Chenot, N. (Wichita Albany) | Pecos | 1 | 319 | 8.89K | Jan 1997 – Jun 1997 |
| Woodward "55" G-10-174839 | Olsen Energy Inc. only | Chenot, N. (Wichita Albany) | Pecos | 1 | 318 | 1.09M | Sep 1999 – Aug 2026 |