| Briggs O-1-15532 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 41 | 3.39M | 11.6M | Jul 2011 – Aug 2026 |
| Briggs Unit J O-1-19081 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 5 | 1.06M | 3.78M | Dec 2017 – Aug 2026 |
| Briggs Ranch O-1-15446 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 8 | 1M | 5.69M | Jun 2011 – Aug 2026 |
| Briggs Unit G O-1-18886 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 3 | 821K | 2.42M | Nov 2016 – Jul 2026 |
| Briggs Unit K O-1-19424 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 4 | 528K | 2.27M | Oct 2018 – Jul 2026 |
| Briggs Unit D O-1-17310 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 4 | 416K | 1.09M | Feb 2014 – Aug 2026 |
| Briggs Unit I O-1-21960 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 369K | 1.12M | Jul 2025 – Aug 2026 |
| Briggs A O-1-20567 | Murphy Expl. & Prod. Co. - USA only | Lorenzo (Austin Chalk) | Dimmit | 2 | 270K | 1.11M | Dec 2021 – Aug 2026 |
| Garcia-Griggs Unit O-3-23103 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 241K | 29.8K | Sep 1996 – Jul 2026 |
| Briggs Unit L O-1-20888 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 222K | 819K | Sep 2022 – Aug 2026 |
| Briggs Ranch D & E Unit O-1-19192 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 2 | 157K | 949K | Jun 2013 – Aug 2026 |
| Briggs Unit E O-1-17772 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 148K | 414K | Jul 2014 – Aug 2026 |
| Briggs Unit L A O-1-20886 | Murphy Expl. & Prod. Co. - USA only | Lorenzo (Austin Chalk) | Dimmit | 1 | 131K | 511K | Sep 2022 – Aug 2026 |
| Briggs Unit M A O-1-20887 | Murphy Expl. & Prod. Co. - USA only | Lorenzo (Austin Chalk) | Dimmit | 1 | 125K | 573K | Sep 2022 – Aug 2026 |
| Driggs, J. P. O-1-2573 | Columbus Energy, LLC only | Campana, South (Chernosky) | McMullen | 4 | 121K | 30 | by Jan 1993 – Aug 2026 |
| Crawford, L. Allen O-13-5159 | Briggs & Croker Oil, LLC only | Wichita County Regular | Wichita | 5 | 119K | 21 | by Jan 1993 – Nov 2020 |
| Riggs, Ernest -B- O-10-1439 | Beaver Oil & Gas Operating, LLC only | Fort Stockton | Pecos | 2 | 113K | 88 | by Jan 1993 – Aug 2026 |
| Ray Griggs Johnson Unit O-3-22011 | Westridge Oil & Gas Properties only | Giddings (Austin Chalk-3) | Fayette | 1 | 113K | 85.2K | by Jan 1993 – Oct 2010 |
| Jentsch O-13-16886 | Briggs & Croker Oil, LLC only | Archer County Regular | Archer | 7 | 110K | 71.2K | by Jan 1993 – Nov 2020 |
| Reilly-Griffin O-13-5502 | Briggs & Croker Oil, LLC only | Wichita County Regular | Wichita | 12 | 107K | 134 | by Jan 1993 – Dec 2020 |
| Briggs Unit A O-1-16130 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 101K | 320K | Nov 2012 – Aug 2026 |
| Briggs Unit F O-1-17826 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 93.9K | 231K | Oct 2014 – Aug 2026 |
| Briggs Unit B O-1-16176 | Murphy Expl. & Prod. Co. - USA only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 93K | 267K | Dec 2012 – Aug 2026 |
| Decker-Vogtsberger Unit O-13-17071 | Briggs & Croker Oil, LLC only | Decker (Bryson, Lower) | Archer | 14 | 92.4K | 50 | by Jan 1993 – Nov 2020 |
| Riggs O-8-28511 | R2Q Operating LLC only | Thunder Valley (Canyon Sand) | Nolan | 1 | 87.6K | 0 | Jul 1998 – Aug 2026 |
| Larimore-Riggs Unit O-13-20413 | Willowbend Investments, Inc. only | Newcastle (Mississippi) | Young | 1 | 72.8K | 4.34K | by Jan 1993 – Dec 2008 |
| Driggs, J. P. O-1-178 | Trium, Ltd. only | Campana, South | McMullen | 3 | 67.2K | 30 | by Jan 1993 – Jan 2022 |
| Riggs, D. S. O-8-2905 | Petex only | Estaban (Strawn Reef) | Nolan | 1 | 65.2K | 205K | by Jan 1993 – Aug 2026 |
| Howard O-13-5161 | Briggs & Croker Oil, LLC only | Wichita County Regular | Wichita | 17 | 62.5K | 21 | by Jan 1993 – Nov 2020 |
| Riggs, G. O-10-30139 | Teke Production LLC only | Fort Stockton | Pecos | 2 | 52.6K | 122 | by Jan 1993 – Jun 2021 |
| Larimore-Riggs Unit O-13-20748 | Willowbend Investments, Inc. only | Newcastle, N.(strawn) | Young | 3 | 50.8K | 71.8K | by Jan 1993 – Jul 2019 |
| Briggs Ranch O-1-15732 | Talisman Energy USA Inc. only | Briscoe Ranch (Eagleford) | La Salle | 1 | 46.2K | 105K | May 2011 – Dec 2012 |
| Briggs-Moreland GU O-6-13618 | XTO Energy Inc. only | Briggs (Upper Travis Peak) | Panola | 1 | 42.6K | 519K | Nov 1996 – Jul 2009 |
| Cameron Unit 3 O-6-15519 | R. Lacy Services, Ltd. only | Briggs (Upper Travis Peak) | Panola | 1 | 40.6K | 179K | Oct 2016 – Aug 2026 |
| Smith, China O-13-9282 | Briggs & Croker Oil, LLC only | K-M-A | Wichita | 4 | 40K | 134 | by Jan 1993 – Nov 2020 |
| J.W. Cooke Unit 1 O-6-15275 | R. Lacy Services, Ltd. only | Briggs (Upper Travis Peak) | Panola | 1 | 35.9K | 248K | Sep 2013 – Apr 2021 |
| Griggs, Mary O-13-13081 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 5 | 35.1K | 20 | by Jan 1993 – Aug 2026 |
| Riggs O-11-66042 | Permian Resources, Inc. only | Odonnell (Mississippian) | Lynn | 1 | 30.9K | 21 | by Jan 1993 – Jun 2004 |
| Jones, Ray O-13-10477 | Briggs & Croker Oil, LLC only | Ray Jones (Congl.) | Archer | 1 | 30.9K | 21 | by Jan 1993 – Nov 2020 |
| Griggs O-8-30873 | Double M Petroproperties, Inc. only | Keeler-Wimberly (Canyon Sd.) | Fisher | 2 | 30.8K | 1.27K | Nov 2011 – Aug 2026 |
| Nitsch, C. Estate O-9-12903 | Griggs, Victor C. only | Spike (Gardner) | Runnels | 1 | 30.3K | 3.55K | by Jan 1993 – Aug 2026 |
| Briggs O-3-1772 | Gaither Petroleum Corporation only | Goose Creek | Harris | 1 | 28.9K | 1.71K | by Jan 1993 – Jul 2016 |
| Riggs "A" O-1-12841 | Hanson Operating Company, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 27.5K | 7.17K | by Jan 1993 – Sep 2000 |
| Griggs O-13-32770 | WFW Production Company, Inc. only | Foamy Mud (Strawn P-9 Sand) | Cooke | 1 | 27.1K | 0 | Oct 2013 – Aug 2026 |
| Moer, Carl O-13-5163 | Briggs & Croker Oil, LLC only | Wichita County Regular | Wichita | 5 | 26.8K | 21 | by Jan 1993 – Nov 2020 |
| Riggs, Maggie O-11-65388 | Das Oil Co. L.L.C. only | Guinn (San Andres) | Lynn | 5 | 25.5K | 14.9K | by Jan 1993 – Jul 2022 |
| Jentsch O-13-23373 | Briggs & Croker Oil, LLC only | Vogtsberger (Caddo Lower) | Archer | 1 | 24.3K | 5.58K | by Jan 1993 – Sep 2020 |
| Griggs, R. L. O-8-18378 | Southwest Gas Systems, Inc. only | Mexia Creek (Marble Falls) | Callahan | 1 | 20.5K | 50.6K | by Jan 1993 – Apr 2003 |
| Riggs O-8-29748 | Bluff Creek Petroleum, LLC only | Doty (Bluff Creek) | Jones | 3 | 20.1K | 0 | Jun 2006 – Nov 2020 |
| Griggs, Mattie O-13-16319 | Dimock Operating Company only | Bowie, E.(viola) | Montague | 1 | 19.9K | 20 | by Jan 1993 – Aug 2026 |