| Chapman Ranch "A" G-4-227943 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 123K | 1.66M | Feb 2007 – Sep 2025 |
| Hightower et al GU 1 G-5-111323 | Highmark Energy Operating, LLC only | Moore Station (James Lime) | Henderson | 1 | 78.8K | 19.2M | by Jan 1993 – Sep 2024 |
| Chapman, J.O. 38 G-4-164385 | Decker Operating Co., L.L.C. only | Mobil-David, W. (Howell Hight) | Nueces | 1 | 64.2K | 972K | May 1997 – Nov 2009 |
| Chapman Ranch G-4-232247 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 59.1K | 1.47M | Jul 2007 – Apr 2012 |
| Chapman Ranch G-4-235046 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 56.5K | 849K | Feb 2008 – Jul 2026 |
| Chapman Ranch G-4-225042 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 42.2K | 1.42M | Jan 2007 – Jun 2026 |
| Chapman Ranch G-4-209197 | Urban Oil & Gas Group, LLC only | Mobil-David (Howell Hight) | Nueces | 1 | 25K | 487K | Mar 2005 – Dec 2010 |
| Hightower G-5-282049 | Stroud Petroleum, Inc. only | Autrey (Travis Peak) | Henderson | 1 | 20.3K | 183K | Jan 2017 – Aug 2026 |
| Hightower, C. M. G-3-174870 | Westport Oil and Gas Company, LP only | Splendora, E. (5700) | Liberty | 1 | 15.4K | 1.87M | Jun 1999 – Jul 2002 |
| Chapman, J.O. G-4-164942 | Decker Operating Co., L.L.C. only | Mobil-David, SW. (Howell Hight) | Nueces | 1 | 14.9K | 1.62M | May 1997 – Dec 2012 |
| LLD-Moonraker Unit G-4-292101 | Poco LLC only | Spartan (Hightower Sand) | San Patricio | 1 | 13.6K | 65.3K | Oct 2021 – Sep 2024 |
| Chapman Ranch G-4-230045 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 10.6K | 711K | Aug 2007 – Apr 2012 |
| Chapman Ranch G-4-221355 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 10.1K | 319K | Apr 2006 – Oct 2013 |
| Hightower, Irma Unit -A- G-6-185162 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 9.75K | 943K | Jul 2001 – Aug 2026 |
| Hightower et al GU 1 G-5-182890 | Highmark Energy Operating, LLC only | Moore Station (James Lime) | Henderson | 1 | 7.67K | 2.27M | May 2001 – Sep 2009 |
| Hightower, Irma Unit -A- G-6-59104 | Totalfinaelf E&P USA Inc only | Bethany, East (Cotton Valley) | Panola | 1 | 5.72K | 218K | by Jan 1993 – Feb 2002 |
| Chapman Ranch -B- G-4-73714 | Urban Oil & Gas Group, LLC only | Mobil-David (Howell Hight) | Nueces | 1 | 4.12K | 278K | Feb 1993 – Aug 2019 |
| Chapman Ranch G-4-234945 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 3.94K | 132K | Nov 2007 – Oct 2014 |
| Booty, Mary G-6-118928 | Hightower Exploration only | Beckville (Travis Peak) | Rusk | 1 | 3.73K | 373K | by Jan 1993 – Aug 2011 |
| Hightower Gas Unit G-6-249529 | SM Operating Company LLC only | Redland, NE (Travis Peak) | Angelina | 1 | 1.83K | 1.15M | Jan 2009 – Jul 2026 |
| Hightower G-6-207215 | TGNR East Texas II LLC only | Bethany (Cotton Valley) | Panola | 1 | 1.7K | 192K | Oct 2004 – Mar 2023 |
| Hightower G-6-198937 | TGNR East Texas II LLC only | Bethany (Cotton Valley) | Panola | 1 | 1.36K | 98.8K | Nov 2003 – Jul 2006 |
| Hightower G-3-184847 | Hollimon Oil Corporation only | Splendora, E. (5700) | Liberty | 1 | 626 | 151K | Jul 2001 – Nov 2001 |
| Hightower, Irma G-6-29449 | XTO Energy Inc. only | Bethany (Pettit) | Panola | 1 | 528 | 177K | by Jan 1993 – Dec 2009 |
| Chapman Ranch "B" G-4-138872 | Apache Corporation only | Mobil-David (Howell Hight) | Nueces | 1 | 376 | 56.7K | by Jan 1993 – Sep 1993 |
| Hightower G-8-103825 | Vantage Fort Worth Energy LLC only | Ittleson (4300) | Parker | 1 | 264 | 45.5K | by Jan 1993 – Jul 2009 |
| Hightower G-6-223193 | TGNR East Texas II LLC only | Deberry (Travis Peak) | Panola | 1 | 53 | 320 | Jan 2007 – Apr 2008 |
| Hight, Mary C. G-14-171725 | Pantera Energy Company only | Panhandle, West | Moore | 1 | 8 | 180K | Nov 1998 – Aug 2026 |
| Hightower, Mattie G-6-131560 | Sonat Exploration Company -Tyler only | Waskom (Travis Peak 6150) | Harrison | 1 | 2 | 208 | Feb 1993 – May 1993 |
| Hightower G-13-259285 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.85M | Nov 2010 – Jan 2026 |
| Hight G-14-25546 | Pantera Energy Company only | Panhandle, West | Moore | 1 | 0 | 168K | by Jan 1993 – Nov 1998 |
| Hight G-14-25545 | Pantera Energy Company only | Panhandle, West | Moore | 1 | 0 | 550K | by Jan 1993 – Apr 2012 |
| Hightower G-8-74108 | Sha Stephens, Incorporated only | Lake Mineral Wells (4000 Congl.) | Parker | 1 | 0 | 0 | — |
| Hightower, Irma "A" G-6-261621 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 0 | 431 | Apr 2011 – Apr 2011 |
| Hightower, Irma Gas Unit "A" G-6-190471 | Total E&P USA, Inc. only | Bethany (Travis Peak Cons.) | Panola | 1 | 0 | 0 | — |
| Hightower, Irma et Al G-6-29569 | XTO Energy Inc. only | Bethany (Travis Peak) | Panola | 1 | 0 | 0 | — |
| Hightower HV Unit B G-6-289276 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 0 | 10.9M | Feb 2020 – Aug 2026 |
| Hightower HV Unit D G-6-289279 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 0 | 11M | Feb 2020 – Aug 2026 |
| Hightower HV Unit C G-6-289343 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 0 | 12.1M | Feb 2020 – Aug 2026 |
| Chapman Ranch G-4-242328 | Decker Operating Co., L.L.C. only | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 0 | — |
| Hightower G-5-282967 | Stroud Petroleum, Inc. only | Wildcat | Henderson | 1 | 0 | 0 | — |
| Hightower HV Unit A G-6-289272 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 0 | 12.9M | Feb 2020 – Aug 2026 |
| Chapman Ranch -B- G-4-59560 | Apache Corporation only | Mobil-David (Howell Hight) | Nueces | 1 | 0 | 0 | — |
| Hightower, L. P. G-3-121800 | Texana Operating Company only | Splendora, E. (Wilcox A) | Liberty | 1 | 0 | 0 | — |
| Chapman, J. O. G-4-38433 | Shell Western E&P Inc. only | Mobil-David, W. (Howell Hight) | Nueces | 1 | 0 | 0 | — |
| Hight G-14-269095 | Pantera Energy Company only | Panhandle, West | Moore | 1 | 0 | 116K | May 2012 – Aug 2026 |
| Hightower G-13-259953 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 3.94M | Aug 2011 – Aug 2026 |