| Brown Unit G-3-260141 | Zarvona Energy LLC only | Magnolia Springs (Austin Chalk) | Tyler | 1 | 249K | 3.26M | Jun 2010 – Aug 2026 |
| Donner-Brown Unit A-83 G-6-185306 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 242K | 2.9M | Aug 2001 – Aug 2026 |
| Donner-Brown Unit A-1167 G-6-153736 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 224K | 1.99M | Feb 1995 – Sep 2018 |
| Donner-Brown Unit A-1161 G-6-151950 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 184K | 2.82M | Apr 1994 – Dec 2019 |
| Donner-Brown Unit A-1176 G-6-159898 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 168K | 1.09M | Apr 1996 – Feb 1999 |
| Donner-Brown Unit A-148 G-6-156716 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 149K | 2.72M | Apr 1995 – Jun 2026 |
| Donner-Brown Unit A-11 G-6-156394 | Swift Energy Operating, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 141K | 1.91M | Jul 1995 – May 2006 |
| Donner-Brown Unit A-621 G-6-151955 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 96.1K | 884K | Aug 1994 – Feb 1999 |
| Donner-Brown Unit A-660 G-6-155801 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 91.7K | 1.64M | Jul 1995 – Aug 2026 |
| Donner-Brown Unit A-1005 G-6-154172 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 87.4K | 4.27M | Feb 1995 – Jun 2015 |
| G. W. Brown Unit G-3-270295 | Orx Resources, L.L.C. only | Marrs McLean (Nod. 2, FB-7) | Jefferson | 1 | 82.1K | 9.41M | Mar 2013 – Jul 2025 |
| Donner-Brown Unit A-346 G-6-153371 | Prize Exploration & Prod, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 57.7K | 1.89M | Sep 1994 – May 2019 |
| Donner Brown Unit A-1006 G-6-178337 | Atlas Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 40.1K | 1.66M | Apr 2000 – Jun 2026 |
| Donner-Brown Unit A-1007 G-6-174238 | Permian Natural Resources only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 22.3K | 977K | Jul 1999 – Feb 2022 |
| McCall-Brown Unit G-3-150156 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk, Gas) | Fayette | 1 | 16.9K | 2.54M | Jun 1994 – Jul 2018 |
| J.H. Brown Unit G-13-297353 | Texxol Operating Company, Inc. only | Newark, East (Barnett Shale) | Wise | 1 | 12.9K | 1.15M | Mar 2024 – Aug 2026 |
| Brown Unit 1 G-6-135581 | R. Lacy Services, Ltd. only | Briggs (Upper Travis Peak) | Panola | 1 | 11.2K | 2.16M | by Jan 1993 – Sep 2009 |
| Brown Unit G-13-273474 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Montague | 1 | 8.46K | 212K | Feb 2014 – May 2023 |
| Brown Unit 1 G-6-77859 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 5.81K | 701K | by Jan 1993 – Aug 2026 |
| Scaling-Brown Unit G-13-105651 | McCown Engineering only | Lazy -B- (Caddo) | Clay | 1 | 5.78K | 196K | by Jan 1993 – Aug 2001 |
| Brown Unit 1 G-6-255218 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 5.4K | 1.44M | May 2010 – Aug 2026 |
| Brown Unit G-13-272734 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Montague | 1 | 5.21K | 634K | Feb 2014 – Aug 2023 |
| Brown Unit G-13-273476 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Montague | 1 | 4.08K | 628K | Feb 2014 – Aug 2023 |
| Brown Unit 1 G-6-137813 | R. Lacy Services, Ltd. only | Briggs (Upper Travis Peak) | Panola | 1 | 3.88K | 1.29M | by Jan 1993 – Aug 2026 |
| Brown Unit 1 G-6-143434 | R. Lacy Services, Ltd. only | Briggs (Upper Travis Peak) | Panola | 1 | 3.56K | 1.4M | by Jan 1993 – Jun 2026 |
| Brown Unit 1 G-6-143833 | R. Lacy Services, Ltd. only | Briggs (Upper Travis Peak) | Panola | 1 | 3.21K | 1.29M | by Jan 1993 – Aug 2026 |
| Brown Unit 1 G-6-134193 | Lacy, R., Inc. only | Carthage (Cotton Valley) | Panola | 1 | 2.02K | 209K | by Jan 1993 – Nov 2000 |
| Morgan-Brown Unit G-13-213396 | Gas Tap Corp. only | Newark, East (Barnett Shale) | Parker | 1 | 1.35K | 349K | Nov 2005 – Dec 2008 |
| Brown Unit 1 G-6-139482 | Lacy Operations, Ltd. only | Briggs (Upper Travis Peak) | Panola | 1 | 1.04K | 278K | by Jan 1993 – Oct 2005 |
| Brown Unit 1 G-6-220357 | R. Lacy Services, Ltd. only | Carthage (Page) | Panola | 1 | 877 | 708K | Apr 2006 – Jan 2026 |
| Brown Unit 1 G-6-180354 | R. Lacy Services, Ltd. only | Carthage (Travis Peak) | Panola | 1 | 545 | 571K | Nov 2000 – Jan 2023 |
| Donner-Brown Unit A-639 G-6-164865 | Prize Exploration & Prod, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 144 | 0 | Jan 1997 – Jan 1997 |
| Brown Unit G-3-211949 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Grimes | 1 | 115 | 2.2M | Aug 2005 – Aug 2026 |
| Brown Unit 1 G-6-156363 | Lacy, R., Inc. only | Briggs (7800 Travis Peak) | Panola | 1 | 105 | 36.9K | Nov 1995 – Nov 2000 |
| Brown Unit G-10-90283 | TRP Operating LLC only | Vermejo (Devonian) | Ward | 1 | 1 | 1 | Jun 2008 – Jun 2008 |
| Brown Unit 1 G-6-83946 | Lacy, R., Inc. only | Briggs (7800 Travis Peak) | Panola | 1 | 0 | 0 | — |
| Brown Unit G-2-274461 | Cobra Oil & Gas Corporation only | Gamble Gully, SW. (7100) | Live Oak | 1 | 0 | 0 | — |
| Brown Unit 1 G-3-99988 | Boling Production Company, Inc. only | Magnet Withers (5720) | Wharton | 1 | 0 | 0 | — |
| Kinder Brown Unit G-13-240905 | Swan Production Co. only | Newark, East (Barnett Shale) | Jack | 1 | 0 | 0 | — |
| Brown Unit 1 G-6-197926 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 0 | 326K | Sep 2003 – Feb 2015 |
| Bassett Brown Unit G-9-64211 | Longfellow Energy, LP only | Brown-Bassett (Ellenburger) | Terrell | 1 | 0 | 2.24M | by Jan 1993 – Jun 2026 |
| Brown Unit 1 G-6-180353 | R. Lacy Services, Ltd. only | Carthage (Page) | Panola | 1 | 0 | 518K | Nov 2000 – Jul 2003 |
| Brown Unit 1 G-6-98596 | Lacy, R., Inc. only | Carthage (Travis Peak, Lower) | Panola | 1 | 0 | 0 | — |
| Brown Unit G-2-269243 | Chandler Oil & Gas, LLC only | Norbee (Geologic) | Bee | 1 | 0 | 31.9K | Aug 2012 – Jan 2019 |