| Shefcik et al Gas Unit G-2-219751 | Sandel Operating Company only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 83.1K | 4.19M | Jan 2006 – Aug 2026 |
| Goff G-2-212052 | Sandel Operating Company only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 83.1K | 5.23M | Aug 2005 – Aug 2026 |
| Winford Extender Caddis G-2-256381 | Arrington Oil&gas Operating LLC only | Brushy Creek (Wilcox -S-1-11200) | De Witt | 1 | 81.1K | 7.23M | Feb 2009 – Jul 2026 |
| Shiner Ranch -C- O-1-11582 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 4 | 78.6K | 132K | by Jan 1993 – Dec 2014 |
| Pals Ranch O-1-15068 | Blackbrush O & G, LLC only | Pearsall (Buda Lime) | Frio | 3 | 78K | 160K | Apr 2010 – Aug 2026 |
| John Oppenheimer Unit O-1-17686 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 1 | 74.5K | 279K | Apr 2013 – Dec 2017 |
| Tubb Estate 1-75 O-10-36786 | Ameredev Operating, LLC only | Crittendon (Brushy Canyon) | Winkler | 1 | 74.4K | 89.4K | Nov 2001 – Aug 2019 |
| Pollok, Charlie O-2-2850 | Blackbrush O & G, LLC only | Panna Maria (Edwards) | Karnes | 2 | 73.4K | 122K | by Jan 1993 – Oct 2013 |
| Tubb Estate -B- O-10-35626 | Ameredev Operating, LLC only | Crittendon (Brushy Canyon) | Winkler | 2 | 73K | 147K | Dec 1997 – Sep 2017 |
| Morales Ranch O-1-13811 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 1 | 71.5K | 15.1K | Oct 1993 – Nov 2013 |
| Webernick-Goff G-2-210147 | Tri-C Resources, LLC only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 66.4K | 4.78M | Jul 2005 – Jul 2019 |
| Sheppard Gas Unit G-2-148430 | Blackbrush O & G, LLC only | Buchel (Edwards) | De Witt | 1 | 66.1K | 2.64M | Jan 1994 – Aug 2026 |
| Gohmert Gas Unit G-2-76401 | Blackbrush O & G, LLC only | Buchel (Edwards) | De Witt | 1 | 65K | 5.56M | by Jan 1993 – Jun 2026 |
| Pollok, Sam O-2-2913 | Blackbrush O & G, LLC only | Panna Maria (Edwards) | Karnes | 1 | 63.8K | 182K | by Jan 1993 – Oct 2013 |
| Arrow-Hildebrand #4 O-1-13724 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 2 | 62.8K | 211 | May 1993 – Nov 1999 |
| Brushy Draw O-9-16852 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Reagan | 7 | 62.2K | 396K | May 2009 – Feb 2015 |
| Bennett-Shiner Unit O-1-14474 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 1 | 60.6K | 18.2K | Apr 2003 – Jul 2023 |
| Samuels, Leslie P. O-1-7777 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 5 | 57.9K | 30.8K | by Jan 1993 – Oct 2012 |
| Morales-Turnham Unit O-1-14513 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 1 | 57.8K | 10.1K | Dec 2003 – Aug 2026 |
| Bullet 27-11 O-10-45024 | COG Operating LLC only | McGillicutty (Brushy Canyon) | Winkler | 1 | 56.9K | 36.1K | Jul 2014 – Aug 2022 |
| Wolfe Unit O-10-47679 | Matador Production Company only | Crittendon (Brushy Canyon) | Winkler | 1 | 56.8K | 39K | Sep 2015 – Jul 2026 |
| Webernick-Goff G-2-212674 | Tri-C Resources, LLC only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 56.6K | 4.19M | Sep 2005 – Apr 2009 |
| Drushel "B" O-2-7480 | 911 Claims Corp only | Cordele, West (Allison) | Jackson | 2 | 55.9K | 463 | by Jan 1993 – May 2025 |
| Page-Johnson O-10-34233 | Atlantic Operating II, LLC only | Anna K (Upper Brushy Canyon) | Loving | 1 | 54.7K | 56.3K | May 1994 – Jun 2008 |
| University "E" O-10-33483 | WPX Energy Permian, LLC only | University Blk. 21(BRUSHY Canyon | Winkler | 1 | 53.6K | 86.3K | by Jan 1993 – Feb 2021 |
| Kuester-Ochoa G-2-189325 | Wandoo Energy, LLC only | Brushy Creek (Wilcox -S-1-11200) | Lavaca | 1 | 53.6K | 2.83M | Dec 2001 – Mar 2016 |
| Kruse Unit O-2-3306 | Blackbrush O & G, LLC only | Person (Edwards) | Karnes | 1 | 51.6K | 165K | by Jan 1993 – Dec 2014 |
| Oppenheimer A O-1-16210 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 2 | 51K | 630K | May 2011 – Aug 2026 |
| Labus, T. O-2-2901 | Blackbrush O & G, Inc. only | Labus (Edwards, Upper) | Karnes | 2 | 50.9K | 80.2K | by Jan 1993 – Apr 2004 |
| Harris, Julia O-1-15241 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Atascosa | 3 | 50.3K | 0 | Jul 2010 – Aug 2026 |
| Brushy Draw E O-9-17664 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Reagan | 2 | 50.2K | 637K | Dec 2011 – Jul 2026 |
| Bullet 75-36 O-10-45181 | COG Operating LLC only | McGillicutty (Brushy Canyon) | Winkler | 1 | 50.1K | 26K | Jan 2014 – Aug 2026 |
| Red Bluff O-10-30403 | Avad Operating, LLC only | Brushy Draw (Cherry Canyon) | Reeves | 1 | 49.8K | 25.1K | by Jan 1993 – May 2015 |
| Gibson -B- O-13-5718 | Rush Creek Operating LLC only | Wichita County Regular | Wichita | 6 | 48.9K | 21 | by Jan 1993 – Nov 2020 |
| Brushel "B" O-2-7823 | 911 Claims Corp only | Cordele, SE. (-a- Sand) | Jackson | 1 | 46.9K | 18 | by Jan 1993 – Jul 2025 |
| Shiner Ranch -B- O-1-14370 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 1 | 46.5K | 57.9K | Feb 2002 – Feb 2016 |
| Shiner Ranch -A- O-1-4702 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 3 | 46.4K | 32 | by Jan 1993 – Oct 2006 |
| Goff G-2-213895 | Sandel Operating Company only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 46K | 2.83M | Nov 2005 – Aug 2026 |
| Goff G-2-216113 | Sandel Operating Company only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 44.2K | 3.1M | Oct 2005 – Aug 2026 |
| Phoenix State O-10-50540 | Echo Energy Partners, LLC only | Matthews (Brushy Canyon) | Culberson | 2 | 43.8K | 694K | Jun 2018 – Mar 2022 |
| Webernick Unit G-2-212024 | Tri-C Resources, LLC only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 42.7K | 2.89M | Aug 2005 – Jun 2014 |
| Boyd, F. W. O-2-3280 | Blackbrush O & G, LLC only | Person (Edwards) | Karnes | 2 | 40K | 91.7K | by Jan 1993 – Jun 2006 |
| Webernick Unit G-2-219508 | Tri-C Resources, LLC only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 39.6K | 2.49M | Jan 2006 – May 2009 |
| Nicholson O-1-15876 | Blackbrush O & G, LLC only | Pearsall (Buda Lime) | Frio | 1 | 39.4K | 189K | Aug 2011 – Aug 2026 |
| Shefcik et al Gas Unit G-2-220084 | Sandel Operating Company only | Brushy Creek (Wilcox Cons.) | Jackson | 1 | 37.6K | 2.66M | Mar 2006 – Aug 2026 |
| Oppenheimer AB Unit O-1-18154 | Blackbrush O & G, LLC only | Pearsall (Buda, S.) | Frio | 1 | 36.4K | 380K | Sep 2014 – Aug 2026 |
| Yanta, Louise O-2-3283 | Blackbrush O & G, LLC only | Person (Edwards) | Karnes | 1 | 36.4K | 205K | by Jan 1993 – Aug 2008 |
| Carnes 'B' O-1-18188 | Blackbrush O & G, LLC only | Pearsall (Buda Lime) | Frio | 2 | 35.8K | 880K | Aug 2012 – Aug 2026 |
| Morales, Pedro O-1-4872 | Blackbrush O & G, LLC only | Pearsall (Austin Chalk) | Frio | 3 | 34.7K | 32 | by Jan 1993 – Apr 2003 |
| Hausmann Unit G-2-131334 | Elliott Oil & Gas Company only | Cedar Brush (3RD Massive Wilcox) | Goliad | 1 | 34.3K | 2.69M | by Jan 1993 – Nov 1998 |