| 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 |
| 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 |
| 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 |
| 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 |
| Downie Ranch -6- O-10-39179 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 3 | 8.74K | 10.8K | May 2008 – Aug 2026 |
| Downie Ranch -5- O-10-39177 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 3 | 8.61K | 3.03K | May 2008 – May 2023 |
| 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 |
| Iowa Realty Trust O-10-18584 | Limark Corporation only | Pecos Valley (Fusselman #2) | Pecos | 1 | 7.02K | 22 | by Jan 1993 – Feb 1998 |
| 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 |
| Realty Trust O-10-37419 | Incline Energy only | Pecos Valley (Ellenburger) | Pecos | 1 | 6.02K | 15.9K | Jan 2003 – Jan 2004 |
| West State O-10-38052 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.65K | 142K | Feb 2005 – Mar 2010 |
| Iowa Realty Trust O-10-9248 | Bebco Parts Industries, Inc. only | Pecos Valley (High Gravity) | Pecos | 7 | 4.64K | 23 | by Jan 1993 – Jul 2002 |
| University 3 A O-10-25523 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 2 | 4.44K | 30.9K | by Jan 1993 – Nov 2009 |
| Iowa Trust Tr. -A- O-10-4802 | Hydrogeo Energy, LLC only | Pecos Valley (Low Gravity) | Pecos | 1 | 4.27K | 126 | by Jan 1993 – Dec 2020 |
| Iowa Realty Trust O-10-20423 | Molder, Tom only | Pecos Valley, SE. (Yates 1620) | Pecos | 2 | 4.22K | 22 | by Jan 1993 – Apr 2013 |
| Iowa Realty Trust 123 "A" O-10-23039 | Last Mile Production, LLC only | Brooklaw (Clear Fork, Lower) | Pecos | 3 | 3.48K | 657 | by Jan 1993 – Feb 2009 |
| University 3 C O-10-25754 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 2 | 3.4K | 21K | by Jan 1993 – Oct 2008 |
| University 11B O-10-27621 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 3.28K | 24.4K | by Jan 1993 – Oct 2008 |
| Iowa Realty Trust -A- O-10-25895 | Pedco Resources Company only | Lehn-Apco, South (Ellen) | Pecos | 1 | 3K | 493 | by Jan 1993 – Nov 1993 |
| West Ranch O-10-38410 | Occidental W TX Overthrust, Inc. only | Allison Ranch (Wolfcamp) | Pecos | 1 | 2.94K | 35.8K | May 2007 – Jun 2017 |
| University 4 C O-10-25547 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 2.71K | 16.5K | by Jan 1993 – Nov 2009 |
| Iowa Realty Trust "A" O-10-24049 | N & O Oil Co. only | Pecos Valley (High Gravity) | Pecos | 8 | 1.82K | 8.04K | by Jan 1993 – Aug 1998 |
| University 10 A O-10-27613 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 2 | 1.04K | 5.96K | by Jan 1993 – Aug 2007 |
| Iowa Realty Trust -123- O-10-21801 | Last Mile Production, LLC only | Tomlaw (Clear Fork 3200) | Pecos | 1 | 856 | 21 | by Jan 1993 – Dec 1994 |
| University 10B O-10-27612 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 3 | 669 | 7.06K | Jan 1996 – Jun 2005 |
| Iowa Realty Trust -B- O-10-4722 | Bebco Parts Industries, Inc. only | Pecos Valley (High Gravity) | Pecos | 16 | 612 | 23 | by Jan 1993 – Jan 2002 |
| Iowa Realty Trust Co. O-10-4790 | Hard Rock O&G only | Pecos Valley (Low Gravity) | Pecos | 3 | 411 | 30 | Feb 1993 – Mar 2021 |
| Allison, Jack 1102 O-10-33530 | Occidental W TX Overthrust, Inc. only | Allison Ranch (Wolfcamp) | Pecos | 4 | 381 | 13 | by Jan 1993 – Aug 2016 |
| University 11A O-10-26724 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 342 | 2.81K | Dec 1995 – Oct 2008 |
| Tyrell, W. C. Trust O-10-37533 | Raider Oil & Gas Company only | Heiner, S. (Wolfcamp Detrital) | Pecos | 1 | 291 | 10.3K | Feb 2005 – Aug 2011 |
| Iowa Realty Trust "S" O-10-23435 | Nizen, Stanley only | Beverly (Queen) | Pecos | 1 | 33 | 18.5K | by Jan 1993 – Aug 1996 |
| Iowa Realty Trust O-10-39078 | Trilogy Operating, Inc. only | Lehn-Apco, S. (Wichita-Albany) | Pecos | 1 | 9 | 4 | Jul 2008 – Jan 2009 |
| University 4 B O-10-27317 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 5 | 53 | Jun 1999 – Jan 2004 |
| Longfellow State -600- E O-10-47087 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Longfellow 600 MD O-10-45269 | Occidental W TX Overthrust, Inc. only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |