| Sullivan O-8-16191 | Ridge Oil Company only | Throckmorton County Regular | Throckmorton | 8 | 17.5K | 43.8K | by Jan 1993 – May 2007 |
| Sullivan, D. J. "F" G-4-189753 | Merit Energy Company only | Triple Crowne (Vicksburg) | Brooks | 1 | 15.7K | 2.09M | Apr 2002 – Mar 2012 |
| Sullivan, D. J. -B- O-4-11109 | Costilla Energy, Inc. only | Pita (C-7) | Brooks | 1 | 15.6K | 83K | Apr 1994 – Jul 1998 |
| Hawkins, H. L. O-10-12749 | Raw Production only | Sullivan (Delaware) | Reeves | 3 | 15K | 95 | by Jan 1993 – Aug 2026 |
| Sullivan O-10-18210 | Olsen Energy Inc. only | Mesa Vista (Sullivan) | Pecos | 2 | 14.1K | 541 | by Jan 1993 – Dec 2000 |
| Sullivan, D. J. "C" G-4-230367 | OXY USA Inc. only | Home Run (Vicksburg Cons.) | Brooks | 1 | 13K | 672K | Aug 2007 – Jul 2011 |
| Eastland - State O-10-24525 | Teke Production LLC only | Sullivan (Delaware) | Reeves | 2 | 12.9K | 5.32K | by Jan 1993 – Jul 2023 |
| Sullivan, Vena Gas Unit G-13-212716 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 12.8K | 1.78M | Sep 2005 – Aug 2026 |
| TXL-BM-NCT B O-10-37608 | Raw Production only | Sullivan (Delaware) | Reeves | 1 | 12.8K | 0 | Jun 2006 – Aug 2026 |
| Reeves -AD- Fee (2) O-10-34040 | Crescent Energy Operating, LLC only | Sullivan (Delaware) | Reeves | 1 | 12.6K | 21.3K | Sep 1993 – Sep 2018 |
| Cartwright, Perry V. O-13-18153 | Sullivan, Hollis R. Inc. only | Goree | Knox | 16 | 12.5K | 21 | by Jan 1993 – Aug 2001 |
| Sullivan O-4-14115 | Paleo Oil Company LLC only | Flowella (Frio-VX Shallow) | Brooks | 1 | 11.8K | 127K | Mar 2019 – Sep 2024 |
| Doornbos Unit O-3-26328 | Shoco Production LLC only | Stowell (Sullivan B-1) | Jefferson | 1 | 11.6K | 86.2K | Feb 2013 – Jul 2026 |
| Sullivan G-2-119995 | Freeman, James C. only | Maxine, East (9700) | Live Oak | 1 | 10.8K | 243K | by Jan 1993 – Mar 1994 |
| Sullivan, D. J. G-4-139969 | Maguire Oil Company only | Flowella (Vicksburg 9600) | Brooks | 1 | 10.7K | 280K | by Jan 1993 – Nov 2001 |
| Sullivan O-5-3462 | Basa Resources, Inc. only | Eileen Sullivan (Glen Rose D-3) | Leon | 1 | 10.5K | 46 | Jul 1993 – May 2005 |
| Sullivan, D.J. -B- O-4-8229 | Costilla Energy, Inc. only | Pita (A-8) | Brooks | 3 | 10.3K | 54.9K | Apr 1994 – Jul 1998 |
| Sullivan, D. J. State G-4-202922 | Merit Energy Company only | Home Run (Vicksburg 10) | Brooks | 1 | 10.2K | 1.59M | Jun 2004 – Feb 2025 |
| Bell, W. E. O-10-11557 | Stoic Operating Company LLC only | Sullivan (Delaware) | Reeves | 7 | 9.79K | 289 | by Jan 1993 – Oct 2020 |
| Sullivan, Joe A. Est. "a" 1,2,3 O-5-3093 | Ows Energy, Inc. only | Alabama Ferry (Glenrose D, West) | Leon | 3 | 9.68K | 61.8K | by Jan 1993 – May 1995 |
| Rivera, Isabel G-4-170955 | Southern Tejas Asset Group LLC only | Sullivan City (Vicksburg, 80-L) | Hidalgo | 1 | 9.53K | 536K | Aug 1998 – Jan 2026 |
| Sullivan, Dan O-4-8481 | Maguire Oil Company only | Ann Mag (12000 Vicksburg) | Brooks | 1 | 9.5K | 30.4K | by Jan 1993 – Feb 2001 |
| Sullivan, D. J. "C" G-4-216720 | Merit Energy Company only | Triple Crowne (Vicksburg) | Brooks | 1 | 9.48K | 141K | Jan 2006 – Nov 2014 |
| Sullivan, Joseph A. Est. O-5-3043 | HD Operating Co, LLC only | Alabama Ferry (Glenrose D, West) | Leon | 2 | 9.08K | 16.6K | by Jan 1993 – Mar 2025 |
| Diaz O-4-13233 | Bruington Operating, L.L.C. only | Sullivan City | Starr | 1 | 8.46K | 85.2K | May 2004 – Mar 2010 |
| Sullivan O-14-1296 | Large Operating LLC only | Panhandle Hutchinson County Fld. | Hutchinson | 4 | 8.34K | 141K | by Jan 1993 – Oct 2022 |
| Cooper-Sullivan Unit O-5-3049 | Treadstone Energy Partners, LLC only | Alabama Ferry (Glenrose D, West) | Leon | 2 | 8.29K | 17.5K | by Jan 1993 – May 2012 |
| Sullivan Unit G-2-250834 | Gouger Oil Company, LLC only | Maxine, East (9100) | Live Oak | 1 | 8.23K | 99.9K | Jan 2009 – Mar 2022 |
| Sullivan, D. J. "B" G-4-156036 | Varas Energy Operating Company, only | Pita (Frio Consolidated) | Brooks | 1 | 8.22K | 263K | Sep 1995 – Mar 2013 |
| Sullivant, C. F. O-13-21421 | Jet-Star Co. only | Cooke County Regular | Cooke | 1 | 7.97K | 21 | by Jan 1993 – Nov 2017 |
| Sullivan, Harold G-5-134503 | Bledsoe Petro Corporation only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 7.8K | 110K | by Jan 1993 – Aug 1998 |
| Sullivan Deep 'C' Gas Unit No. 1 G-4-268938 | Paleo Oil Company LLC only | Ann Mag (Vicksburg Cons.) | Brooks | 1 | 7.77K | 341K | Jun 2012 – Jan 2024 |
| Sullivan O-11-68433 | Palmer Oil Properties only | Garza | Garza | 1 | 7.35K | 0 | Apr 2002 – Oct 2013 |
| Sullivan, D. J. -B- O-4-12709 | Costilla Energy, Inc. only | Pita (F- 2-E) | Brooks | 2 | 7.27K | 43.3K | Aug 1997 – Jul 1998 |
| Sullivan State 64 O-10-44281 | Rein Pusher Operating LLC only | Pecos Valley (High Gravity) | Pecos | 1 | 7.16K | 136 | Nov 2011 – Aug 2026 |
| Sullivan G-4-247056 | Paleo Oil Company LLC only | Flowella (Frio-VX Shallow) | Brooks | 1 | 7.08K | 223K | Jan 2009 – Sep 2023 |
| Richards, G. L. G-4-199384 | Escudo Oil & Gas, LLC only | Sullivan City (Vicksburg, 80-L) | Starr | 1 | 7.03K | 1.26M | Feb 2004 – Dec 2022 |
| Sullivan, D. J. State G-4-228843 | Merit Energy Company only | Home Run (Vicksburg Cons.) | Brooks | 1 | 7.01K | 228K | Jul 2007 – Jan 2015 |
| Evans, W. L. O-3-13844 | D & G Operating Company, Inc. only | Winnie, N. (Sullivan) | Chambers | 1 | 6.92K | 6.99K | by Jan 1993 – Jun 1995 |
| Albrecht, Maude Estate "A" G-5-139110 | Flamingo Oil & Gas only | Eileen Sullivan (Glen Rose) | Leon | 1 | 6.87K | 525K | by Jan 1993 – Aug 2026 |
| Sullivan, D. J. "C" G-4-187331 | Merit Energy Company only | Home Run (Vicksburg Cons.) | Brooks | 1 | 6.82K | 2.51M | Oct 2001 – Aug 2026 |
| Flores, Salinas O-4-9033 | Southern Tejas Asset Group LLC only | Sullivan City (4700) | Hidalgo | 1 | 6.74K | 1.96K | Oct 1995 – Jul 2026 |
| Sullivan, D. J. O-4-14183 | Agp Energy Services LLC only | Ann Mag (8170) | Brooks | 1 | 6.72K | 32.2K | Jun 2022 – Sep 2023 |
| Stone O-9-14123 | Sullivan, Hollis R. Inc. only | Burr Oak (King Sand) | Concho | 2 | 6.56K | 5 | Nov 1995 – Aug 1997 |
| Cook O-5-3494 | HD Operating Co, LLC only | Eileen Sullivan (Glen Rose) | Leon | 1 | 6.34K | 40.2K | Mar 1995 – Mar 2025 |
| Wynne-Sullivan O-3-13519 | Vess Oil Corporation only | Kurten (Woodbine) | Brazos | 1 | 6.32K | 35.2K | by Jan 1993 – Jun 1999 |
| Cook G-5-131702 | Basa Resources, Inc. only | Eileen Sullivan (Glen Rose) | Leon | 1 | 6K | 105K | by Jan 1993 – Feb 1995 |
| Denis O-9-13667 | Sullivan, Hollis R. Inc. only | De Renne (Harkey Sand) | Concho | 1 | 5.93K | 150K | Aug 1994 – Jan 2003 |
| Sullivan, D. J. "F" G-4-247819 | Merit Energy Company only | Mariposa (C11-N6 Cons. Gas) | Brooks | 1 | 5.9K | 1.25M | Feb 2009 – May 2026 |
| Sullivan, G. B. O-5-3065 | Douglas Petroleum Inc. only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 5.74K | 56.8K | by Jan 1993 – Oct 1997 |