| Hefley-Fillingim 39-40 MD CX G-14-290828 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 89.9K | 4.69M | Oct 2020 – Apr 2026 |
| Hefley-Fillingim 39-40 MD WX G-14-290993 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 69.3K | 4.2M | Oct 2020 – Apr 2026 |
| Fillingim G-14-265714 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 48.8K | 2.03M | Jun 2012 – Apr 2026 |
| Fillingim G-14-267511 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 38.8K | 2.34M | Apr 2012 – Apr 2026 |
| Fillingim G-14-183743 | Sidwell Operating Company, L.P. only | Hemphill (Douglas) | Hemphill | 1 | 31.8K | 451K | Jun 2001 – Sep 2016 |
| Meek-Fillingim 45-44 MD EX G-14-292672 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 31K | 2.27M | Nov 2021 – Apr 2026 |
| Fillingim 88 G-14-280997 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 21.5K | 2.29M | Nov 2015 – Apr 2026 |
| Meek-Fillingim 45-44 MD CX G-14-292611 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 16.9K | 1.37M | Nov 2021 – Apr 2026 |
| Fillingim 88 G-14-203250 | 4P Energy Texas, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 10.7K | 1.09M | May 2004 – Mar 2018 |
| Fillingim 44 G-14-212728 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 10.7K | 1.17M | Sep 2005 – Apr 2026 |
| Fillingim 88 G-14-202534 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 9.96K | 803K | May 2004 – Apr 2026 |
| Fillingim-Teas 87 G-14-204060 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 9.65K | 1.02M | Aug 2004 – Feb 2011 |
| Fillingim 44 G-14-214536 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 9.11K | 789K | Jan 2006 – Apr 2026 |
| Fillingim 44 G-14-208707 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 9.02K | 1.01M | Oct 2004 – Apr 2026 |
| Fillingim 44 G-14-208699 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 8.42K | 612K | Jan 2005 – Apr 2026 |
| Fillingim-Teas 87 G-14-206724 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 8.41K | 1.15M | Jan 2005 – Apr 2014 |
| Fillingim G-14-171203 | Sidwell Operating Company, L.P. only | Hemphill (Douglas) | Hemphill | 1 | 8.35K | 763K | Oct 1998 – Oct 2013 |
| Fillingim 44 G-14-203656 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 7.86K | 818K | Jun 2004 – Jul 2020 |
| Fillingim 44 G-14-217252 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 7.78K | 770K | May 2006 – Apr 2026 |
| Fillingim G-14-253108 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 7.75K | 704K | Jul 2009 – Apr 2026 |
| Fillingim 88 G-14-280886 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 7.61K | 613K | Nov 2015 – Mar 2018 |
| Fillingim 44 G-14-242897 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 7.14K | 841K | Oct 2008 – Apr 2026 |
| Fillingim G-14-255198 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 6.53K | 587K | Dec 2009 – Apr 2026 |
| Fillingim 40 G-14-217251 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 6.1K | 561K | May 2006 – Apr 2026 |
| Fillingim-Teas 87 G-14-202553 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 6.01K | 636K | May 2004 – Jul 2019 |
| Fillingim 44 G-14-248770 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 5.82K | 504K | May 2009 – Apr 2026 |
| Fillingim G-14-258546 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 5.76K | 558K | Apr 2010 – Apr 2026 |
| Fillingim G-14-205484 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 5.62K | 522K | Oct 2004 – Mar 2026 |
| Fillingim-Teas 87 G-14-199651 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 5.5K | 779K | Apr 2004 – Apr 2026 |
| Fillingim-Teas 87 G-14-204627 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 5.45K | 663K | Sep 2004 – Apr 2026 |
| Fillingim 44 G-14-202531 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 5.44K | 547K | Apr 2004 – Jun 2016 |
| Fillingim G-14-174567 | Sidwell Operating Company, L.P. only | Hemphill (Douglas) | Hemphill | 1 | 5.29K | 458K | Nov 1999 – Jul 2018 |
| Fillingim 88 G-14-203141 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 4.99K | 314K | Jul 2004 – Jul 2025 |
| Fillingim G-14-204649 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 4.61K | 567K | Sep 2004 – Mar 2026 |
| Fillingim G-14-176954 | Sidwell Operating Company, L.P. only | Hemphill (Douglas) | Hemphill | 1 | 4.6K | 933K | Apr 2000 – Jun 2009 |
| Fillingim 40 G-14-211406 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 4.59K | 479K | Aug 2005 – Apr 2026 |
| Fillingim 88 G-14-200207 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 4.48K | 426K | Apr 2004 – Dec 2025 |
| Fillingim-Teas 87 G-14-204342 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 4.36K | 391K | May 2004 – Aug 2017 |
| Fillingim 40 G-14-208711 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 4.18K | 461K | Jan 2005 – Jan 2021 |
| Fillingim 44 G-14-246570 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.79K | 438K | Apr 2009 – Apr 2026 |
| Fillingim G-14-202939 | Upland Resources LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.72K | 376K | Jun 2004 – Nov 2014 |
| Fillingim-Teas 87 G-14-204059 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.61K | 416K | Sep 2004 – Nov 2017 |
| Fillingim-Teas 87 G-14-203585 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.57K | 356K | Jul 2004 – Feb 2015 |
| Fillingim 88 G-14-203658 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.35K | 308K | Jul 2004 – Mar 2016 |
| Fillingim 88 G-14-204063 | 4P Energy Texas, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.21K | 171K | Aug 2004 – Mar 2018 |
| Fillingim 88 G-14-202937 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 3.13K | 280K | Jun 2004 – Jun 2018 |
| Fillingim-Teas 87 G-14-203136 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 2.98K | 361K | Jun 2004 – May 2019 |
| Fillingim 88 G-14-213188 | Unbridled Resources, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 2.9K | 229K | Oct 2005 – Jun 2018 |
| Fillingim-Teas 87 G-14-205008 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 2.88K | 442K | Oct 2004 – Oct 2023 |
| Fillingim G-14-223171 | Upland Resources LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 2.57K | 336K | Jul 2006 – Feb 2016 |