| Mahler 107 G-14-275458 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 227K | 3.28M | Nov 2013 – Aug 2026 |
| Mahler "B" G-14-267530 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 217K | 2.31M | Jan 2012 – Aug 2026 |
| Mahler G-14-267606 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 201K | 2.35M | Feb 2012 – Aug 2026 |
| Mahler 106 G-14-276528 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 184K | 3.22M | Sep 2014 – Aug 2026 |
| Mahler G-14-276591 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 165K | 2.12M | Jun 2014 – Aug 2026 |
| Mahler 106 G-14-276489 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 142K | 1.5M | Aug 2014 – Aug 2026 |
| Mahler 108 G-14-278402 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 131K | 3.34M | Jun 2015 – Aug 2026 |
| Mahler G-14-271285 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 118K | 3.87M | Feb 2013 – Aug 2026 |
| Mahler G-14-269798 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 54K | 2.1M | Apr 2013 – Aug 2026 |
| Mahler G-14-267979 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 50.7K | 623K | Mar 2012 – Aug 2026 |
| Mahler G-14-268643 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 49.4K | 595K | Oct 2012 – Aug 2026 |
| Mahler "A" G-14-265522 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 46.4K | 1.18M | Feb 2011 – Aug 2026 |
| Mahler G-14-280072 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 35.8K | 543K | Aug 2015 – Aug 2026 |
| Mahler "D" G-14-267605 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 33.6K | 807K | Dec 2011 – Aug 2026 |
| Mahler "D" G-14-264796 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 32.2K | 783K | Dec 2010 – Dec 2017 |
| Mahler, Fields G-14-268644 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 30.2K | 956K | Apr 2012 – Aug 2026 |
| Mahler -A- G-14-153298 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 27.4K | 496K | Dec 1994 – Dec 2015 |
| Mahler "D" G-14-254558 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 24.2K | 280K | Oct 2009 – Aug 2026 |
| Mahler G-14-256360 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 18.9K | 815K | Mar 2010 – Aug 2026 |
| Mahler G-14-234070 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 18.4K | 709K | Jan 2008 – Aug 2026 |
| Mahler, Fields G-14-74945 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 17.7K | 1.01M | by Jan 1993 – 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 |
| Mahler G-14-262462 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 16.1K | 583K | Nov 2010 – May 2013 |
| Mahler G-14-258216 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 15.8K | 391K | May 2010 – Nov 2025 |
| Mahler G-14-104338 | Bracken Operating, L.L.C. only | Parsell (Morrow, Upper) | Hemphill | 1 | 13.8K | 986K | by Jan 1993 – Mar 2016 |
| Mahler G-14-278454 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 9.74K | 411K | Jun 2015 – Aug 2026 |
| Mahler "B" G-14-258224 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 9.62K | 95.1K | May 2010 – Oct 2016 |
| Mahler G-14-199376 | Unit Petroleum Company only | Parsell, South (Morrow Upper) | Roberts | 1 | 6.86K | 1.51M | Feb 2003 – Dec 2005 |
| Mahler "C" G-14-258230 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 6.06K | 83.2K | May 2010 – Sep 2019 |
| Mahler G-14-67042 | Buffco Production Inc. only | Parsell (Morrow, Upper) | Roberts | 1 | 5.56K | 957K | by Jan 1993 – Aug 2026 |
| Mahler "B" G-14-258541 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 5K | 66.5K | May 2010 – Feb 2024 |
| Kerry Mahler Hawkins Unit G-13-258949 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.89K | 1.58M | Oct 2010 – Aug 2026 |
| Mahler "A" G-14-262168 | Unit Petroleum Company only | Canadian, West (Morrow, Upper "A | Roberts | 1 | 4.39K | 343K | Mar 2011 – Dec 2018 |
| Mahler G-14-171679 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 3.75K | 161K | Dec 1998 – Jun 2022 |
| Mahler G-14-170824 | Unit Petroleum Company only | Mendota, NW. (Morrow, Lower) | Roberts | 1 | 3.11K | 2.69M | Sep 1998 – Aug 2026 |
| Mahler G-14-258217 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 2.84K | 86.7K | May 2010 – Sep 2015 |
| Mahler, Fields G-14-163164 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 2.27K | 152K | Oct 1996 – Aug 2026 |
| Mahler -B- G-14-145517 | BP America Production Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 1.08K | 64K | Apr 1993 – May 2006 |
| Mahler G-14-41272 | Unit Petroleum Company only | Mendota, NW. (Morrow, Lower) | Roberts | 1 | 832 | 444K | by Jan 1993 – Aug 2010 |
| Mahler G-14-286546 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 684 | 20.7K | May 2017 – Aug 2026 |
| Mahler G-14-203049 | Crest Resources, Inc. only | Parsell, South (Morrow Upper) | Hemphill | 1 | 358 | 105K | Feb 2004 – Sep 2009 |
| Mahler, Fields G-14-90612 | Seagull Midcon Inc. only | Mendota, NW. (Granite Wash, SW.) | Roberts | 1 | 144 | 44.7K | by Jan 1993 – Sep 1996 |
| Mahler -A- G-14-295105 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 122 | 17.6K | Mar 2023 – Aug 2026 |
| Fields-Mahler G-14-163960 | Blackbeard Operating, LLC only | Mendota, NW. (Moore Co. Lime) | Roberts | 1 | 0 | 1.18M | Nov 1996 – Sep 2013 |
| Mahler, Fields G-14-57997 | Mmgl Txph, LLC only | Mendota, NW. (Morrow, Lower) | Roberts | 1 | 0 | 379K | by Jan 1993 – Feb 2005 |
| Mahler SL G-14-270367 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 0 | 0 | — |
| Mahler 106 SL G-14-278603 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 0 | 0 | — |
| Mahler "B" SL G-14-269068 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 0 | 0 | — |
| Mahler SL G-14-268900 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 0 | 0 | — |