| Mahler, Fields O-14-5811 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash, SW.) | Roberts | 9 | 177K | 3.14M | by Jan 1993 – Aug 2026 |
| Field State 108 G-14-269653 | Unbridled Resources, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 153K | 2.67M | Jan 2013 – Aug 2026 |
| Waterfield O-14-4754 | Unit Petroleum Company only | Mendota, NW. (Douglas, Lo.) | Roberts | 1 | 144K | 36.9K | by Jan 1993 – Aug 2026 |
| Waterfield "C" O-14-8067 | Unit Petroleum Company only | Mendota, NW. (Douglas, Lo.) | Roberts | 3 | 129K | 374K | Oct 2009 – Aug 2026 |
| Waterfield, J.B. G-14-275868 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 117K | 1.12M | Oct 2013 – Aug 2026 |
| Waterfield "C" G-14-268703 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 113K | 2.41M | Oct 2012 – Aug 2026 |
| Waterfield "C" G-14-266624 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 71.9K | 1.26M | Sep 2011 – Aug 2026 |
| Waterfield, J.B. O-14-9188 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 69.7K | 780K | Apr 2014 – Aug 2026 |
| Waterfield 'C' G-14-276493 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 68.9K | 1.38M | Sep 2014 – Aug 2026 |
| Waterfield "C" G-14-268014 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 67.6K | 1.01M | Mar 2012 – Aug 2026 |
| Waterfield 'C' G-14-271880 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 60.4K | 1.13M | Oct 2012 – Aug 2026 |
| Waterfield 'B' 100 G-14-274550 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 60.1K | 2.15M | Jul 2013 – Aug 2026 |
| Waterfield, J.B. G-14-264969 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 49.7K | 1.29M | Mar 2011 – Aug 2026 |
| Waterfield G-14-262731 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 49.7K | 2.12M | Feb 2011 – Aug 2026 |
| Waterfield 112 G-14-270445 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 46.8K | 1.05M | Aug 2012 – Aug 2026 |
| Waterfield, J.B. O-14-9459 | Unit Petroleum Company only | Mendota, NW. (Douglas, Lo.) | Roberts | 1 | 42.6K | 202K | Dec 2015 – Aug 2026 |
| Waterfield "A" G-14-262498 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 40.8K | 1.75M | Jan 2011 – Aug 2026 |
| Waterfield SL G-14-276124 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 40.4K | 1.05M | Feb 2014 – Aug 2026 |
| Waterfield 'B' 100 G-14-272268 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 37.8K | 1.36M | Aug 2013 – Aug 2026 |
| Waterfield 'A' G-14-272239 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 31.6K | 1.59M | Jul 2013 – Aug 2026 |
| Waterfield "C" O-14-5389 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 6 | 30.6K | 820K | by Jan 1993 – Mar 2019 |
| Mahler, Fields G-14-268644 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 30.2K | 956K | Apr 2012 – Aug 2026 |
| Waterfield 'A' G-14-267559 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 28.5K | 1.37M | Oct 2012 – Aug 2026 |
| Field State 108 G-14-237087 | Unbridled Resources, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 27.3K | 563K | Aug 2007 – Aug 2026 |
| Waterfield "D" G-14-255679 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 25.2K | 621K | Jan 2010 – Aug 2026 |
| Field State 108 G-14-242903 | Unbridled Resources, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 24.4K | 464K | Sep 2008 – Aug 2026 |
| Waterfield 'B' 100 G-14-277883 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 24.2K | 1.38M | Dec 2014 – Aug 2026 |
| Waterfield O-14-6180 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 3 | 21.8K | 943K | by Jan 1993 – Feb 2017 |
| Waterfield "A" O-14-7782 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 3 | 18.6K | 443K | Jun 2007 – May 2010 |
| Mahler, Fields G-14-74945 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 17.7K | 1.01M | by Jan 1993 – Aug 2026 |
| Waterfield 113 G-14-268139 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 17.3K | 811K | Jun 2012 – Aug 2026 |
| Mahler, Fields G-14-87995 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 16.2K | 1.38M | by Jan 1993 – Aug 2026 |
| Waterfield G-14-258210 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 16.1K | 460K | Mar 2010 – Aug 2026 |
| Field State 108 G-14-238561 | Unbridled Resources, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 13.2K | 428K | May 2008 – Aug 2026 |
| Waterfield G-14-258086 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 11.6K | 429K | Jan 2010 – Apr 2020 |
| Waterfield "A" G-14-246651 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 9.4K | 522K | Dec 2008 – Aug 2026 |
| Waterfield "B" O-14-5692 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 3 | 9.03K | 267K | by Jan 1993 – Jun 2010 |
| Waterfield "C" G-14-258231 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 8.91K | 192K | May 2010 – Aug 2026 |
| Waterfield, J. B. O-14-7921 | Unit Petroleum Company only | Mendota, NW. (Granite Wash, SW.) | Roberts | 2 | 8.45K | 87K | Dec 2007 – Nov 2009 |
| Waterfield "A" G-14-217346 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 7.58K | 199K | Feb 2006 – Aug 2026 |
| Waterfield G-14-86710 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 6.08K | 295K | by Jan 1993 – Jun 2011 |
| Waterfield, James Bruce Etal "C" O-14-7318 | Mmgl Txph, LLC only | Mendota, NW. (Cherokee) | Roberts | 1 | 5.5K | 388K | Nov 1998 – May 2013 |
| Waterfield O-14-7002 | Canyon Exploration Co. only | Parsell, SE. (Douglas) | Roberts | 1 | 5.22K | 28 | Dec 1994 – Mar 1997 |
| Waterfield G-14-238974 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 5.01K | 90.5K | May 2008 – Jun 2024 |
| Waterfield G-14-213178 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.95K | 194K | Aug 2005 – Nov 2014 |
| Waterfield G-14-87434 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.79K | 764K | by Jan 1993 – Aug 2026 |
| Waterfield "A" G-14-254233 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.57K | 138K | Sep 2009 – Dec 2017 |
| Waterfield "A" G-14-250771 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 4.2K | 405K | Oct 2007 – Aug 2018 |
| Waterfield G-14-258211 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 3.65K | 284K | Apr 2010 – Apr 2026 |
| Waterfield B G-14-258698 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 2.63K | 63.6K | Jun 2010 – Mar 2019 |