| Busch, R. D. O-1-13631 | Rusk Energy Operating LLC only | W.C. Finch (Simsboro 1900) | Milam | 14 | 369K | 32 | Feb 1993 – Apr 2026 |
| Underwood O-1-11691 | Sheldon Resources, L.P. only | W.C. Finch (Simsboro 1900) | Milam | 14 | 366K | 2.94K | Jan 1993 – Apr 2026 |
| T.R.U. Unit O-1-12071 | Sheldon Resources, L.P. only | W.C. Finch (Simsboro 1900) | Milam | 7 | 247K | 20 | Jan 1993 – Apr 2026 |
| Sims O-11-66670 | Crossroads Operating, LLC only | Sharon Ridge (Clear Fork) | Scurry | 6 | 222K | 10.4K | Jan 1993 – Apr 2026 |
| Sims "A" O-11-14414 | Crossroads Operating, LLC only | Sharon Ridge (Clear Fork) | Scurry | 3 | 113K | 2.19K | Jan 1993 – Apr 2026 |
| Sims O-8-27952 | Cedar Oil Company only | Bryan Williams (Fry, Upper) | Taylor | 1 | 98.8K | 85.8K | Sep 1996 – Oct 2013 |
| Rains O-11-66732 | Aviator Energy, LLC only | Sims (Glorieta) | Garza | 2 | 98.8K | 358 | Jan 1993 – Apr 2026 |
| Sims-Richardson O-11-65059 | Blake Production Company, Inc. only | Spires, W. (Strawn C-1) | Kent | 2 | 89.2K | 57.8K | Jan 1993 – Jun 2017 |
| Sims-Drees Unit No. 1 O-4-13627 | Sandalwood Exploration, L.P. only | Taft, Deep (a-2 Sand) | San Patricio | 1 | 82.3K | 78.9K | Aug 2010 – Feb 2023 |
| Sims-Drees Unit No. 1 O-4-13602 | Sandalwood Exploration, L.P. only | Taft, Deep (C-2 SD, 6000) | San Patricio | 1 | 77K | 113K | Feb 2010 – Feb 2021 |
| Thrasher "A" O-13-22578 | Felderhoff Production Company only | Kimbell-Sims (Sharelene Sand) | Cooke | 1 | 69.9K | 20 | Jan 1993 – Apr 2026 |
| Ellis O-11-66529 | Das Oil Co. L.L.C. only | Sims, Southwest (San Andres) | Garza | 3 | 63.7K | 254 | Jan 1993 – Apr 2026 |
| Hardy-Spoon Unit O-13-29798 | Atex Exploration & Operating Co. only | Kimbell-Sims (Sharelene Sand) | Cooke | 2 | 58.7K | 0 | Jul 2000 – Apr 2026 |
| Seale O-11-70241 | Das Oil Co. L.L.C. only | Sims, Southwest (San Andres) | Garza | 2 | 54.7K | 0 | May 2014 – Apr 2026 |
| Sims, J. T. O-11-8730 | BBS Oil Field Services Inc only | Sims (Glorieta) | Garza | 1 | 53.6K | 369 | Jan 1993 – Apr 2026 |
| Sims, H. T. O-11-12007 | Robert C. Brower, LLC only | Tonto (Canyon Sand) | Scurry | 3 | 49.6K | 21 | Jan 1993 – Aug 2025 |
| Vickers O-5-3759 | Brammer Engineering, Inc. only | Simsboro, N. (Cotton Valley C) | Freestone | 1 | 47.7K | 507K | May 2003 – Apr 2026 |
| Sims, S. D. O-11-4607 | Cholla Petroleum, Inc. only | P. H. D. | Garza | 2 | 46.6K | 28 | Jan 1993 – Mar 2025 |
| McCrary, Ralph O-13-24850 | Jet-Star Co. only | Kimbell-Sims (Sharelene Sand) | Cooke | 3 | 38.2K | 34 | Jan 1993 – Aug 2025 |
| Murphy, W. J. O-13-2358 | Felderhoff Production Company only | Kimbell-Sims (Sharelene Sand) | Cooke | 2 | 37K | 21 | Jan 1993 – Apr 2026 |
| Rains "A" O-11-16578 | BBS Oil Field Services Inc only | Sims (Glorieta) | Garza | 3 | 36.4K | 238 | Jan 1993 – Jan 2026 |
| Ellis -A- O-11-68967 | Das Oil Co. L.L.C. only | Sims, Southwest (San Andres) | Garza | 2 | 34.2K | 91 | Aug 2006 – Apr 2026 |
| Sims, Honolulu -A- O-11-4622 | Cholla Petroleum, Inc. only | P. H. D. | Garza | 5 | 28.7K | 28 | Jan 1993 – Mar 2025 |
| Anderson, Geo. O-13-2350 | Felderhoff Production Company only | Kimbell-Sims (Sharelene Sand) | Cooke | 1 | 28.2K | 21 | Jan 1993 – Apr 2026 |
| Rains O-11-16577 | BBS Oil Field Services Inc only | Sims (Glorieta) | Garza | 4 | 27.2K | 258 | Jan 1993 – Apr 2026 |
| Sims "A" O-11-68498 | Crossroads Operating, LLC only | Sharon Ridge (1700) | Scurry | 1 | 26.9K | 1.76K | Oct 2002 – Apr 2026 |
| Sims, R. C. G U I G-6-101028 | Soldier Creek Energy, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 23.8K | 1.82M | Jan 1993 – Apr 2026 |
| Lister, J. W. O-13-2357 | Grayson Petroleum Company only | Kimbell-Sims (Sharelene Sand) | Cooke | 6 | 19.5K | 21 | Jan 1993 – Apr 2005 |
| Basinger O-11-63301 | Hair, Roger D. only | Sims (Glorieta) | Garza | 2 | 19.4K | 140 | Jan 1993 – May 2018 |
| Sims O-3-21458 | Chesapeake Operating, L.L.C. only | Caldwell (Austin Chalk) | Brazos | 1 | 16.4K | 15.9K | Jan 1993 – Feb 2002 |
| Sims, Rollie C. Gas Unit G-6-147001 | Soldier Creek Energy, LLC only | Oak Hill (Cotton Valley) | Harrison | 1 | 15.9K | 1.51M | Oct 1993 – Apr 2026 |
| Sims, Rollie C. Gas Unit G-6-163271 | Soldier Creek Energy, LLC only | Oak Hill (Cotton Valley) | Harrison | 1 | 15.4K | 1.23M | Apr 1997 – Apr 2026 |
| Bill Sims O-9-18436 | Cazar Energy Inc only | Paint Rock (Strawn Lime) | Concho | 2 | 14.8K | 103K | Sep 2013 – Feb 2026 |
| Giles-Sims O-5-4043 | O'Benco, Inc. only | Carroll Springs (Rodessa) | Henderson | 1 | 14.8K | 84.8K | Jul 2013 – Sep 2017 |
| Vickers G-5-173365 | Phillips Energy, Inc. only | Simsboro, N. (Cotton Valley C) | Freestone | 1 | 14.5K | 152K | Jan 1999 – May 2003 |
| Sims, Rollie C. Gas Unit G-6-147813 | Soldier Creek Energy, LLC only | Oak Hill (Cotton Valley) | Harrison | 1 | 13K | 1.23M | Nov 1993 – Apr 2026 |
| Sims O-4-2957 | Wallis Energy, Inc. only | Sinton, West (Shallow) | San Patricio | 6 | 13K | 43 | Jan 1993 – Oct 2012 |
| Thrasher O-13-21036 | Felderhoff Production Company only | Kimbell-Sims (Sharelene Sand) | Cooke | 1 | 12.6K | 21 | Jan 1993 – Apr 2026 |
| Sims, Rollie C. Gas Unit G-6-166388 | Soldier Creek Energy, LLC only | Oak Hill (Cotton Valley) | Harrison | 1 | 12.2K | 913K | Sep 1997 – Apr 2026 |
| Reavis, C. B. O-13-2360 | Felderhoff Production Company only | Kimbell-Sims (Sharelene Sand) | Cooke | 4 | 12.2K | 21 | Jan 1993 – May 2005 |
| Sims O-11-67214 | United Oil & Minerals, Inc. only | Bowjack (Strawn) | Garza | 1 | 11.8K | 28 | Jan 1994 – Jul 1996 |
| Sims, Rollie C. Gas Unit G-6-139171 | Soldier Creek Energy, LLC only | Oak Hill (Cotton Valley) | Harrison | 1 | 11.8K | 1.15M | Jan 1993 – Dec 2023 |
| Sims, L. R. "14" O-11-65263 | Osr Oil & Gas Company only | Brazos Bluff (Ellenburger) | Kent | 1 | 11.6K | 4.87K | Jan 1993 – Dec 1996 |
| William E. Beane GU G-4-175218 | D90 Energy, LLC only | Edinburg, S. (Jaysims) | Hidalgo | 1 | 11.4K | 2.79M | Jul 1999 – Aug 2011 |
| Sims, G. O-3-8715 | B. C. Ventures, Inc. only | Amelia (Frio 6) | Jefferson | 1 | 10.7K | 780 | Jan 1993 – Aug 1997 |
| Sims, Collie G-5-169080 | Valence Operating Company only | Oletha (Travis Peak) | Limestone | 1 | 10.6K | 1.7M | May 1998 – Apr 2026 |
| Sims O-9-15592 | Lone Star Production only | Myrna Lynn | Runnels | 1 | 9.89K | 33.5K | Sep 2004 – Feb 2009 |
| Rains "A" O-11-69794 | Aviator Energy, LLC only | Sims (Glorieta) | Garza | 1 | 8.92K | 45 | Oct 2011 – May 2020 |
| Amoco-Sims O-11-65597 | Osr Oil & Gas Company only | Brazos Bluff (Ellenburger) | Kent | 1 | 8.29K | 512 | Jan 1993 – Mar 1997 |
| Sims G-14-162911 | Makar Production Company only | MO-Tex (Meisner) | Wheeler | 1 | 8.17K | 3.51M | Jan 1997 – Feb 2025 |