| West Ranch G-10-200347 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.76K | 996K | Feb 2004 – Aug 2026 |
| West Ranch G-10-230315 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.63K | 1.88M | Sep 2007 – Mar 2026 |
| West Ranch G-10-248751 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.44K | 611K | Feb 2008 – Jan 2026 |
| West Ranch G-10-237763 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.31K | 354K | Oct 2007 – Aug 2026 |
| West Ranch G-10-224639 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.3K | 1.15M | Oct 2006 – Jan 2026 |
| West Ranch G-10-239346 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.19K | 1.22M | Mar 2008 – Apr 2024 |
| West Ranch G-10-234605 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.17K | 1.03M | Oct 2007 – Aug 2026 |
| West Ranch G-10-228887 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.15K | 554K | Jun 2007 – Aug 2026 |
| West Ranch G-10-248293 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.09K | 1.89M | Oct 2008 – Aug 2026 |
| Longfellow 600 MD G-10-236238 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5.03K | 3.95M | Nov 2007 – Jul 2026 |
| West Ranch G-10-245315 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.9K | 661K | Sep 2008 – Apr 2024 |
| West Ranch G-10-260463 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.76K | 356K | Sep 2010 – Oct 2024 |
| 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 |
| Iowa Realty Trust 125 "A" G-10-57818 | Last Mile Production, LLC only | Owego (Tansill) | Pecos | 1 | 4.51K | 36.4K | Sep 1993 – Jul 2024 |
| West Ranch G-10-250919 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.48K | 3.17M | Mar 2009 – Mar 2024 |
| University 3 A O-10-25523 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 2 | 4.44K | 30.9K | by Jan 1993 – Nov 2009 |
| West Ranch G-10-215373 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.32K | 573K | Nov 2005 – Jan 2026 |
| 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 |
| West Ranch G-10-234783 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.87K | 765K | Sep 2007 – Aug 2026 |
| West Ranch G-10-239291 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.78K | 86.9K | Feb 2008 – Feb 2025 |
| West Ranch G-10-234722 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.77K | 774K | Oct 2007 – Aug 2026 |
| West Ranch G-10-245321 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.75K | 1.67M | Oct 2008 – Aug 2026 |
| West Ranch G-10-273784 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.7K | 251K | Apr 2010 – Apr 2024 |
| West Ranch G-10-170424 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.68K | 15.5M | Aug 1998 – Feb 2024 |
| West Ranch G-10-234606 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.6K | 2.5M | Oct 2007 – Aug 2026 |
| 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 |
| West Ranch G-10-242196 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.48K | 3.55M | Jul 2008 – Feb 2025 |
| West Ranch G-10-250052 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.45K | 465K | Dec 2008 – Jan 2026 |
| West Ranch G-10-239342 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.45K | 92.5K | Jan 2008 – Apr 2026 |
| University 3 C O-10-25754 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 2 | 3.4K | 21K | by Jan 1993 – Oct 2008 |
| Longfellow G-10-187601 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.36K | 903K | Jan 2002 – Apr 2024 |
| West Ranch G-10-239305 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.35K | 108K | Mar 2008 – Oct 2025 |
| West Ranch 5 G-10-173438 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.34K | 10.4M | May 1999 – Feb 2024 |
| University 11B O-10-27621 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 3.28K | 24.4K | by Jan 1993 – Oct 2008 |
| West Ranch G-10-230707 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.22K | 1.09M | Oct 2007 – Apr 2026 |
| Longfellow G-10-165275 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.14K | 1.48M | Jul 1997 – Jan 2026 |
| West Ranch G-10-234742 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.12K | 210K | Oct 2007 – Dec 2024 |
| West Ranch G-10-248294 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.11K | 915K | Sep 2007 – Jan 2025 |
| West Ranch 138 G-10-240178 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.09K | 614K | May 2008 – Aug 2026 |
| West State G-10-248436 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.04K | 347K | Dec 2008 – Aug 2026 |
| West Ranch G-10-272791 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 3.01K | 482K | Dec 2010 – Oct 2024 |
| 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 G-10-212501 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 2.97K | 2.29M | Sep 2005 – Aug 2026 |
| West Ranch O-10-38410 | Occidental W TX Overthrust, Inc. only | Allison Ranch (Wolfcamp) | Pecos | 1 | 2.94K | 35.8K | May 2007 – Jun 2017 |
| West Ranch G-10-140878 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 2.88K | 703K | Oct 1993 – Aug 2026 |
| West Ranch G-10-239059 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 2.82K | 24.5K | Feb 2008 – Apr 2023 |
| University 4 C O-10-25547 | Aaa Oil Trust only | Cardinal (Queen, W. ) | Pecos | 1 | 2.71K | 16.5K | by Jan 1993 – Nov 2009 |
| West Ranch G-10-175161 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 2.67K | 2.3M | Nov 1999 – Aug 2026 |