| Holland-Brown Unit O-2-9827 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 5 | 1.33M | 2.27M | Oct 2011 – Jul 2026 |
| Doc Brown Unit O-10-61530 | Permian Resources Operating, LLC only | Phantom (Wolfcamp) | Reeves | 4 | 1.03M | 2.85M | Dec 2023 – Jul 2026 |
| Kinsel Brown Unit II Las O-1-16640 | Ineos USA Oil & Gas LLC only | Eagleville (Eagle Ford-1) | LA Salle | 3 | 675K | 663K | Nov 2012 – Jul 2026 |
| Brown Unit B O-1-17519 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | LA Salle | 4 | 624K | 1M | Jun 2013 – Jul 2026 |
| Brown Unit E O-1-17522 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | LA Salle | 4 | 567K | 811K | Jun 2013 – Jul 2026 |
| Brown Unit F O-1-17523 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | LA Salle | 3 | 530K | 744K | Jun 2013 – Jul 2026 |
| Kinsel Brown Unit I Las O-1-16621 | Ineos USA Oil & Gas LLC only | Eagleville (Eagle Ford-1) | LA Salle | 2 | 515K | 454K | Oct 2012 – Jul 2026 |
| Brown Unit O-1-17416 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Wilson | 3 | 482K | 144K | Oct 2013 – Jul 2026 |
| Brown Unit D O-1-17521 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | LA Salle | 3 | 452K | 652K | Jun 2013 – Jul 2026 |
| Brown Unit C O-1-17520 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | LA Salle | 3 | 341K | 575K | Jun 2013 – Jul 2026 |
| Taylor-Brown Unit O-3-22180 | Redbud E & P, Inc. only | Giddings (Austin Chalk-3) | Fayette | 2 | 310K | 1.4M | Aug 1993 – Jul 2026 |
| Brown Unit O-8-22791 | Ridge Oil Company only | Stephens County Regular | Stephens | 1 | 160K | 6.16K | Jan 1993 – Jul 2026 |
| Katherine Brown Unit O-1-19742 | Atlas Operating LLC only | Briscoe Ranch (Eagleford) | Dimmit | 3 | 140K | 1.46M | Mar 2019 – Jul 2026 |
| Bilsky-Brown Unit O-1-15845 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 126K | 99.6K | Apr 2012 – Jul 2026 |
| Brown Unit O-3-15565 | Magnolia Oil & Gas Operating LLC only | Giddings (Buda) | Lee | 1 | 85.5K | 73K | Jan 1993 – Jul 2026 |
| Lutz/Brown Unit 63 O-13-29175 | Biehl Oil Service's LLC only | Lutz (Mississippian) | Clay | 1 | 60.1K | 10.7K | Jun 1996 – Aug 2017 |
| Hill - Mayo Brown Unit O-11-68627 | Schalk Oil Company, Inc. only | Soldier Mound (Tannehill) | Dickens | 1 | 52.2K | 1.03K | Nov 2003 – Jul 2026 |
| Zant a-Brown Unit O-10-45664 | OXY USA Inc. only | Spraberry (Trend Area) | Martin | 1 | 46.3K | 62.4K | Feb 2014 – Jul 2026 |
| Donner-Brown Unit A-621 O-6-13891 | DB Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 37.2K | 296K | Mar 1999 – Jul 2026 |
| Brown Unit O-8-27237 | Xtreme Operating Company LLC only | Callahan County Regular | Callahan | 23 | 32.2K | 4 | Jun 1994 – Jul 2026 |
| Kinder Brown Unit O-13-31633 | Brigadier Operating, LLC only | Newark, East (Barnett Shale) | Jack | 1 | 17.1K | 36K | Aug 2009 – Mar 2013 |
| Donner-Brown Unit A-11 O-6-14533 | Prize Exploration & Prod, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 13.5K | 198K | Jun 2006 – Jul 2026 |
| Brown Unit O-11-69167 | Schalk Oil Company, Inc. only | Dockum Creek (Tannehill) | Dickens | 1 | 6.28K | 0 | Sep 2007 – Jun 2023 |
| Brown Unit O-1-13645 | Gog Fields, Inc. only | Salt Flat, West | Caldwell | 7 | 4.78K | 15 | Jan 1993 – Jul 2026 |
| Brown Unit O-8-23768 | Rwa, LLC only | McKnight, S. (Congl.) | Throckmorton | 1 | 4.16K | 97.1K | Jan 1993 – Jul 2026 |
| Donner-Brown Unit A-1007 O-6-15880 | Delfin Operating, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 2.04K | 30.7K | Mar 2022 – Jul 2026 |
| Wilkinson-Brown Unit O-13-26328 | Bettis, Boyle & Stovall only | Young County Regular | Young | 1 | 1.88K | 19 | Jan 1993 – Oct 1995 |
| Williams-Brown Unit O-13-25080 | Akins Oil Company only | Newcastle (Mississippi) | Young | 1 | 1.77K | 21 | Jan 1993 – Jun 1997 |
| Neely - Brown Unit O-8-20018 | Citori Oil Company only | McKnight, North (Caddo) | Throckmorton | 1 | 805 | 172 | Jan 1993 – Sep 2003 |
| Brown Unit O-13-22553 | Eagle Hydrocarbons Inc. only | Conley, S. (Miss.) | Hardeman | 1 | 565 | 0 | Jan 1993 – Oct 2015 |
| Johnson-Brown Unit O-1-12532 | Driscoll S.W.D. Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 103 | 0 | Jan 1993 – Aug 2003 |
| Donner-Brown Unit A-83 G-6-185306 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 0 | 2.89M | Aug 2001 – Jul 2026 |
| Brown Unit 1 G-6-197926 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 0 | 326K | Sep 2003 – Oct 2017 |
| Brown Unit 1 G-6-220357 | R. Lacy Services, Ltd. only | Carthage (Page) | Panola | 1 | 0 | 708K | Apr 2006 – Jul 2026 |
| Brown Unit 1 G-6-255218 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 0 | 1.42M | Jan 2010 – Jul 2026 |
| Bassett Brown Unit G-9-64211 | Longfellow Energy, LP only | Brown-Bassett (Ellenburger) | Terrell | 1 | 0 | 2.24M | Jan 1993 – Jul 2026 |
| Brown Unit G-10-90283 | TRP Operating LLC only | Vermejo (Devonian) | Ward | 1 | 0 | 1 | Jan 1993 – Jul 2026 |
| Scaling-Brown Unit G-13-105651 | McCown Engineering only | Lazy -B- (Caddo) | Clay | 1 | 0 | 196K | Jan 1993 – Aug 2004 |
| Morgan-Brown Unit G-13-213396 | Gas Tap Corp. only | Newark, East (Barnett Shale) | Parker | 1 | 0 | 349K | Sep 2005 – Jul 2026 |
| Brown Unit G-2-269243 | Chandler Oil & Gas, LLC only | Norbee (Geologic) | Bee | 1 | 0 | 31.9K | Aug 2012 – Jul 2026 |
| Brown Unit G-13-272734 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Montague | 1 | 0 | 634K | Dec 2013 – Jul 2026 |
| Brown Unit G-13-273474 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Montague | 1 | 0 | 212K | Jan 2014 – Jul 2026 |
| Brown Unit G-13-273476 | Scout Energy Management LLC only | Newark, East (Barnett Shale) | Montague | 1 | 0 | 628K | Dec 2013 – Jul 2026 |
| J.H. Brown Unit G-13-297353 | Texxol Operating Company, Inc. only | Newark, East (Barnett Shale) | Wise | 1 | 0 | 1.03M | Mar 2024 – Jul 2026 |
| Wilkinson-Brown Unit O-13-26050 | Bettis, Boyle & Stovall only | Stovall (McLester) | Young | 1 | 0 | 0 | Jan 1993 – Oct 1995 |
| Nowak-Brown Unit O-13-27275 | Xplore Operating, LLC only | Jack County Regular | Jack | 1 | 0 | 0 | Jan 1993 – Nov 2020 |
| J W Brown Unit O-13-30306 | J.A.M. Production only | Wildcat | Jack | 1 | 0 | 0 | May 2004 – Apr 2005 |
| J W Brown Unit O-13-30413 | Tree Operating, LLC only | Jack County Regular | Jack | 1 | 0 | 0 | Apr 2005 – Jul 2026 |
| Kinder Brown Unit G-13-240905 | Swan Production Co. only | Newark, East (Barnett Shale) | Jack | 1 | 0 | 0 | Oct 2007 – Aug 2009 |
| Brown Unit G-2-274461 | Cobra Oil & Gas Corporation only | Gamble Gully, SW. (7100) | Live Oak | 1 | 0 | 0 | Sep 2013 – Oct 2014 |