| Trainer Trust 16 O-10-42172 | Swordfish Energy Operating, LLC only | Wolfbone (Trend Area) | Pecos | 2 | 201K | 510K | Jan 2011 – Aug 2026 |
| Downie Ranch O-10-39178 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 7 | 97.2K | 27.9K | May 2008 – Aug 2026 |
| Puckett Trusts C State O-10-46450 | Locin Oil Corporation only | Wolfbone (Trend Area) | Pecos | 1 | 77.3K | 107K | Mar 2015 – Sep 2019 |
| West Ranch O-10-38315 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 10 | 73.1K | 588K | May 2007 – Aug 2026 |
| Realty Trust O-10-37437 | Olsen Energy Inc. only | Pecos Valley (Fusselman) | Pecos | 1 | 65.1K | 408K | Jan 2003 – Aug 2026 |
| Trainer Trust 16 O-10-41166 | Whiting Oil and Gas Corporation only | Hoban (Bone Springs) | Pecos | 1 | 43.2K | 29.9K | Jul 2010 – Dec 2010 |
| I R T /Iowa Realty Trust/ O-10-4785 | Vidonia Oil LLC only | Pecos Valley (Low Gravity) | Pecos | 3 | 37.2K | 146 | by Jan 1993 – Apr 2021 |
| Iowa Realty Trust -Mc- O-10-4806 | Hard Rock O&G only | Pecos Valley (Low Gravity) | Pecos | 13 | 36.1K | 20 | Mar 1995 – Jun 2023 |
| Iowa Realty Trust 125 O-10-21171 | Last Mile Production, LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 3 | 32K | 269 | by Jan 1993 – Dec 2019 |
| West Ranch G-10-128799 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 29.8K | 20.4M | by Jan 1993 – Mar 2024 |
| West Ranch G-10-234730 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 26.8K | 232K | Oct 2007 – Sep 2014 |
| Iowa Realty Trust 125 "A" O-10-22689 | Last Mile Production, LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 6 | 25.2K | 10.6K | by Jan 1993 – Feb 2017 |
| West Ranch G-10-249735 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 24.3K | 982K | Apr 2008 – Jul 2026 |
| Tyrrell, W. C. Trust G-10-155385 | Chevron U. S. A. Inc. only | Gomez, NW. (Wolfcamp) | Pecos | 1 | 22.3K | 848K | Jul 1995 – Aug 2026 |
| Trainer Trust 16 O-10-38309 | Whiting Oil and Gas Corporation only | Athey (Wolfcamp 10900) | Pecos | 1 | 19.7K | 40.1K | Dec 2006 – Apr 2011 |
| Iowa Realty Trust O-10-27136 | Olsen Energy Inc. only | Pecos Valley, S. (Devonian) | Pecos | 1 | 18.7K | 86.4K | by Jan 1993 – Aug 2016 |
| Iowa Realty Trust "B" O-10-33242 | Incline Energy only | Pecos Valley, S. (Devonian) | Pecos | 1 | 14.3K | 258K | by Jan 1993 – Oct 2016 |
| Iowa Realty Trust O-10-36570 | Moonlite Oil & Gas Company only | Pecos Valley (Wichita-Albany) | Pecos | 1 | 13.4K | 148K | Jan 2001 – Aug 2026 |
| West Ranch G-10-186743 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 13.2K | 8.75M | Dec 2001 – Jun 2025 |
| West Ranch G-10-237942 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 12.6K | 80K | Nov 2007 – Aug 2026 |
| West Ranch G-10-208596 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 12.1K | 1.11M | Feb 2005 – May 2026 |
| West Ranch G-10-260005 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 10.6K | 291K | Jul 2008 – Sep 2014 |
| West Ranch G-10-161610 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 10.6K | 7.9M | Oct 1996 – Jul 2022 |
| West Ranch G-10-153555 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 10.5K | 3.17M | Dec 1994 – Jan 2026 |
| Longfellow 130 G-10-203347 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 9.72K | 835K | Sep 2004 – Mar 2024 |
| West Ranch G-10-179748 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 9.33K | 9.19M | Oct 2000 – Jul 2026 |
| Longfellow G-10-104146 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 9.1K | 24.6M | by Jan 1993 – Apr 2024 |
| Iowa Realty Trust O-10-4716 | Molder, Tom only | Pecos Valley (High Gravity) | Pecos | 3 | 9.02K | 21 | by Jan 1993 – Apr 2013 |
| 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 |
| West Ranch G-10-143351 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 8.88K | 9.71M | Sep 1993 – Dec 2009 |
| Downie Ranch -6- O-10-39179 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 3 | 8.74K | 10.8K | May 2008 – Aug 2026 |
| Thagard, George F., et Al G-10-38576 | Thagard Trust only | Coyanosa (Devonian) | Pecos | 1 | 8.71K | 12.8M | by Jan 1993 – Mar 2026 |
| 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 |
| 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 |
| West Ranch 5 G-10-173506 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 7.61K | 13.9M | May 1999 – Apr 2024 |
| Longfellow G-10-174242 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 7.54K | 3.16M | Sep 1999 – Mar 2026 |
| Iowa Realty Trust O-10-18584 | Limark Corporation only | Pecos Valley (Fusselman #2) | Pecos | 1 | 7.02K | 22 | by Jan 1993 – Feb 1998 |
| West Ranch G-10-225729 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.99K | 609K | Jan 2007 – Jan 2026 |
| Iowa Realty Trust -A- O-10-20792 | Molder, Tom only | Pecos Valley, SE. (Yates 1620) | Pecos | 2 | 6.89K | 22 | by Jan 1993 – Apr 2013 |
| Realty Trust O-10-36978 | Incline Energy only | Pecos Valley (Wolfcamp) | Pecos | 1 | 6.89K | 6.5K | Dec 2002 – Jan 2004 |
| Longfellow SS 600 O-10-38514 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.56K | 42.4K | Jan 2008 – Feb 2013 |
| Iowa Realty Trust "A" O-10-34054 | MBR Resources, Inc. only | Lehn-Apco, S. (Wichita-Albany) | Pecos | 1 | 6.34K | 260K | Dec 1993 – Jun 2001 |
| West Ranch G-10-257307 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.24K | 443K | Sep 2009 – Sep 2025 |
| West Ranch G-10-205911 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.14K | 99K | Oct 2004 – Feb 2025 |
| West Ranch G-10-244891 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.11K | 169K | Oct 2008 – Jul 2026 |
| West Ranch G-10-237776 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.08K | 167K | Oct 2007 – Jan 2025 |
| Realty Trust O-10-37419 | Incline Energy only | Pecos Valley (Ellenburger) | Pecos | 1 | 6.02K | 15.9K | Jan 2003 – Jan 2004 |
| Downie Ranch -6- G-10-129838 | Sandridge Expl. and Prod., LLC only | Thistle (Overthrust) | Pecos | 1 | 5.94K | 303K | by Jan 1993 – Nov 2014 |
| West Ranch G-10-230587 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.82K | 731K | Aug 2007 – Aug 2026 |