| Iowa Realty Trust 123 "B" O-10-23886 | Last Mile Production, LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 2 | 8.94K | 3.81K | by Jan 1993 – Dec 2010 |
| Boatman, Nora, et Al O-10-24843 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 8.93K | 22.3K | by Jan 1993 – Jan 2018 |
| Reed G-10-166081 | Pure Resources, L.P. only | Petco (Devonian) | Pecos | 1 | 8.91K | 867K | Oct 1997 – Jun 2000 |
| Borgens, L. L. O-10-4068 | Hybrid Operating, Incorporated only | Malicky (Queen Sand) | Pecos | 6 | 8.91K | 22 | by Jan 1993 – Jun 2007 |
| West Ranch G-10-143351 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 8.88K | 9.71M | Sep 1993 – Dec 2009 |
| Valley -B- O-10-30068 | Waylander LLC only | Sun Valley (Tubb, Lower) | Pecos | 1 | 8.88K | 131 | by Jan 1993 – Aug 2026 |
| Williams,c.w-C O-10-25797 | Riata Energy, Inc. only | Leon Valley (Oil) | Pecos | 5 | 8.84K | 11.8K | by Jan 1993 – Jul 2001 |
| Corrigan State O-10-37302 | High Mountain Oil & Gas, LLC only | T.C.I., West (Seven Rivers) | Pecos | 2 | 8.82K | 86.9K | Sep 2003 – Aug 2026 |
| Fort Stockton Unit G-10-112452 | Double Barrel Oil LLC only | Fort Stockton | Pecos | 1 | 8.81K | 125K | by Jan 1993 – Aug 2026 |
| State University -Da- O-10-34254 | Hailstone Resources, LLC only | Belding (Yates) | Pecos | 1 | 8.76K | 32.1K | Sep 1994 – Aug 2026 |
| Downie Ranch -6- O-10-39179 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 3 | 8.74K | 10.8K | May 2008 – Aug 2026 |
| Calhoun, Catherine, et Al O-10-24964 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 8.74K | 20.6K | by Jan 1993 – Jan 2018 |
| Tytex L1 O-10-50443 | Diamondback E&P LLC only | Hoefs T-K (Wolfcamp) | Pecos | 1 | 8.71K | 9.26K | Oct 2018 – Aug 2025 |
| Thagard, George F., et Al G-10-38576 | Thagard Trust only | Coyanosa (Devonian) | Pecos | 1 | 8.71K | 12.8M | by Jan 1993 – Mar 2026 |
| Neely 75 G-10-188078 | Mineral Technologies, Inc. only | Athey (Cherry Canyon) | Pecos | 1 | 8.68K | 479K | Feb 2002 – Dec 2025 |
| Gregg "AC" O-10-4127 | Martin Foree Operating, LLC only | Masterson | Pecos | 6 | 8.64K | 54 | by Jan 1993 – Oct 2020 |
| Downie Ranch -5- O-10-39177 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 3 | 8.61K | 3.03K | May 2008 – May 2023 |
| Longfellow G-10-169410 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 8.6K | 5.81M | May 1998 – Mar 2024 |
| Raynolds, H. F. O-10-36737 | Rayden only | Survey 16 (10,300) | Pecos | 1 | 8.59K | 118K | May 2001 – Aug 2009 |
| Owens-State O-10-12063 | PPC Operating Company LLC only | Priest & Beavers (Queen) | Pecos | 2 | 8.59K | 31 | by Jan 1993 – Nov 2012 |
| Cordova -105- O-10-26100 | Pecos Crude LLC only | Sun Valley (Tubb, Lower) | Pecos | 1 | 8.58K | 21 | by Jan 1993 – Oct 2023 |
| University "4" G-10-183367 | Shenandoah Petroleum Corporation only | Viejos (Devonian) | Pecos | 1 | 8.55K | 578K | Oct 2000 – Aug 2026 |
| Wilson 43 O-10-47926 | SBJ Oil & Gas, LLC only | Anna Maria (Ellenburger) | Pecos | 1 | 8.51K | 23.8K | Jan 2015 – Oct 2022 |
| Thai O-10-36848 | Ruwco Oil and Gas Corp. only | McKenzie Mesa, West (Wolfcamp) | Pecos | 1 | 8.5K | 521K | Mar 2002 – Mar 2004 |
| Valley "3" O-10-36739 | Iskandia Energy Operating, Inc. only | Brooklaw (Clear Fork, Lower) | Pecos | 1 | 8.46K | 16.3K | Oct 2001 – Apr 2020 |
| Parke, Chester G-10-61061 | Ruwco Oil and Gas Corp. only | BMH (Devonian) | Pecos | 1 | 8.39K | 312K | by Jan 1993 – Oct 2001 |
| Arco Fee O-10-20704 | Grand Operating, Inc. only | Wellaw (Clear Fork, Lo.) | Pecos | 2 | 8.37K | 21 | by Jan 1993 – Sep 1994 |
| McKenzie State Unit O-10-38827 | Tema Oil and Gas Company only | Coyanosa, N. (Delaware) | Pecos | 1 | 8.37K | 18.9K | Jul 2008 – Aug 2016 |
| Zimmerman, A. B. O-10-21404 | Commonwealth Royalty, LLC only | Zimmerman (Strawn) | Pecos | 1 | 8.35K | 282 | by Jan 1993 – Jul 2024 |
| Arco Fee O-10-25667 | Bustos, Martin Oil only | Netterville | Pecos | 3 | 8.32K | 229 | by Jan 1993 – Feb 2009 |
| Weatherby, Ivy B. O-10-25576 | Apache Corporation only | Rojo Caballos (Wolfcamp) | Pecos | 1 | 8.31K | 0 | Jan 1996 – Nov 2010 |
| Priest -D- O-10-25722 | Blackwelder Oil only | Priest (Cisco) | Pecos | 1 | 8.3K | 135 | by Jan 1993 – Jul 2021 |
| Sibley, Effie "a" et Al O-10-26593 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 8.27K | 4.77K | by Jan 1993 – Jan 2018 |
| Heagy G-10-55613 | Apv McCamey LLC only | Abell (Clear Fork) | Pecos | 1 | 8.2K | 492K | by Jan 1993 – Jul 2002 |
| Moore, Wayne G-10-46078 | XTO Energy Inc. only | Waha (Montoya) | Pecos | 1 | 8.18K | 5.53M | by Jan 1993 – Aug 2026 |
| Coyanosa Gas Unit No. 2 a/C 2 G-10-47280 | XTO Energy Inc. only | Survey 16 (10,300) | Pecos | 1 | 8.16K | 2.2M | by Jan 1993 – Dec 2015 |
| Bowman, L. et Al O-10-25543 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 8.16K | 16.6K | by Jan 1993 – Jan 2018 |
| Dyche, Althea -B- O-10-25834 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 8.15K | 19.3K | by Jan 1993 – Jan 2018 |
| Chalkley -B- O-10-25349 | MBR Resources, Inc. only | Lehn-Apco, South (Ellen) | Pecos | 1 | 8.15K | 4.72K | May 1993 – Aug 1996 |
| St. Genevieve Univ 19-20 G-10-262842 | Parallel Petroleum LLC only | Viejos (Devonian) | Pecos | 1 | 8.12K | 226K | Jul 2011 – Mar 2013 |
| Champlin Cities Service, et Al G-10-128199 | Olsen Energy Inc. only | Putnam (Wolfcamp) | Pecos | 1 | 8.11K | 1.62M | by Jan 1993 – Aug 2026 |
| University 19-20 O-10-38714 | Great Western Drilling Company only | Viejos (Devonian) | Pecos | 1 | 8.07K | 147K | Jan 2008 – Mar 2015 |
| Imperial '72' O-10-44310 | Mosaic Oil LLC only | Pecos Valley (High Gravity) | Pecos | 1 | 8.06K | 0 | Jun 2013 – Mar 2021 |
| Cathie O-10-27337 | Peterson Oil and Gas LLC only | Lehn-Apco (1600) | Pecos | 6 | 8.05K | 91 | by Jan 1993 – Aug 2020 |
| Iowa Realty Trust -A- O-10-4723 | Bebco Parts Industries, Inc. only | Pecos Valley (High Gravity) | Pecos | 12 | 8.04K | 23 | by Jan 1993 – Aug 2002 |
| Williams CC G-10-50239 | Mongoose Energy, LLC only | Gomez (Ellenburger) | Pecos | 1 | 8.02K | 14.5M | by Jan 1993 – Aug 2026 |
| Texas Pecos River Tract 1-B O-10-17489 | Bustos, Martin Oil only | Rio Bravo (Wichita Albany, Up.) | Pecos | 1 | 8.01K | 36 | by Jan 1993 – Jul 2008 |
| State Baldwin "B" O-10-38600 | Moonlite Oil & Gas Company only | Abell (Permian-General) | Pecos | 1 | 7.98K | 15.9K | Nov 2007 – Aug 2026 |
| Big Tex South O-10-41006 | Swordfish Energy Operating, LLC only | Wolfbone (Trend Area) | Pecos | 2 | 7.91K | 40.8K | Dec 2010 – Nov 2017 |
| Usm Hillin -B- O-10-27205 | Stablerock Energy L.L.C. only | U S M (Queen) | Pecos | 1 | 7.9K | 32.1K | by Jan 1993 – Jan 2018 |