| Briscoe Metcalf Unit O-1-19507 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 2 | 4.37K | 107K | May 2018 – Sep 2023 |
| La Bandera Ranch Unit D O-1-20128 | SN EF Maverick, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 3 | 4.35K | 28.2K | Jan 2022 – Jan 2022 |
| Quinney O-1-14196 | Thalmann, David Vac Service Inc only | Evergreen Farms, NE. (1ST Olmos) | Dimmit | 1 | 4.29K | 9.4K | Mar 1998 – Aug 2000 |
| J.B. Baggett-Jones O-1-14662 | Trinity Operating (Usg), LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 4.28K | 4.1K | Apr 2006 – Apr 2008 |
| Briscoe "B" O-1-14816 | Crimson Energy Ptnrs III, L.L.C. only | Briscoe Ranch (Olmos) | Dimmit | 1 | 4.19K | 20.8K | Jan 2007 – May 2014 |
| 179-1-H-Little O-1-12387 | Baxter, Kelly H. Oil and Gas Co. only | Pearsall (Austin Chalk) | Dimmit | 1 | 4.18K | 21 | by Jan 1993 – Dec 1995 |
| Vivion G-1-291979 | Verdun Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 4.14K | 44K | Nov 2021 – Aug 2026 |
| Hatch Ranch O-1-13312 | Bhec Corporation only | Pearsall (Austin Chalk) | Dimmit | 1 | 4.11K | 18 | by Jan 1993 – Dec 1995 |
| Frost National Bank Trustee O-1-12903 | Oilton Resources, Inc. only | Dent Ingram (Olmos 5) | Dimmit | 1 | 4.07K | 22 | by Jan 1993 – Nov 2015 |
| Stumberg Ranch O-1-13518 | Texokan Operating, Inc. only | Catarina Mag (Austin Chalk) | Dimmit | 1 | 4.04K | 6.77K | Nov 1993 – Jan 2016 |
| McLean-Bowman-C- O-1-4228 | Double U Oil Co., Ltd. only | Good Luck (San Miguel) | Dimmit | 1 | 3.93K | 1.61K | by Jan 1993 – Jan 1997 |
| Hitchcock G-1-211031 | L & J Exploration, LLC only | Dent Ingram (Olmos 1) | Dimmit | 1 | 3.92K | 749K | Aug 2005 – Jun 2024 |
| Baty-Heitz Unit O-1-13257 | McDaniel Company, Inc., The only | Pearsall (Austin Chalk) | Dimmit | 1 | 3.8K | 4.29K | by Jan 1993 – Jul 1993 |
| George, Burton O. G-1-162877 | Thalmann, David Vac Service Inc only | Big Wells (San Miguel) | Dimmit | 1 | 3.7K | 1.8K | Mar 2001 – Sep 2002 |
| Webb, F.J. Unit 1 G-1-215220 | El Toro Resources LLC only | Pena Creek (Georgetown) | Dimmit | 1 | 3.66K | 927K | Dec 2004 – Aug 2026 |
| 89 Ranch O-1-14725 | JB Oil & Gas Well Service only | Big Wells (San Miguel) | Dimmit | 2 | 3.64K | 0 | Oct 2006 – Jul 2012 |
| San Pedro Ranch-Conoco O-1-9262 | Prime Operating Company only | Hugh Fitzsimons (Olmos) | Dimmit | 6 | 3.59K | 9.92K | by Jan 1993 – Jun 1995 |
| Briscoe G-1-241882 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 3.55K | 108K | Jun 2008 – Aug 2026 |
| Gates Ranch G-1-124874 | Lewis Petro Properties, Inc. only | Catarina, SW. (San Miguel-Gas) | Dimmit | 1 | 3.54K | 116K | by Jan 1993 – Nov 2010 |
| Briscoe Ranch AC G-1-296805 | Rosetta Resources Operating LP only | Lorenzo (Austin Chalk) | Dimmit | 1 | 3.5K | 72.2K | Oct 2024 – Aug 2026 |
| Triplitt Unit O-1-15152 | CML Exploration, LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 3.46K | 38.6K | Jan 2010 – Oct 2012 |
| Kothman -A- O-1-13704 | Newfield Exploration Company only | Pena Creek (San Miguel 3RD) | Dimmit | 1 | 3.42K | 1.61K | May 1993 – Jul 2002 |
| Gise, Lawrence O-1-12765 | Navajo Exploration, Inc. only | Pearsall (Austin Chalk) | Dimmit | 1 | 3.39K | 1.28K | by Jan 1993 – Jul 1995 |
| San Pedro Ranch G-1-109469 | Prime Operating Company only | Hugh Fitzsimons (Olmos) | Dimmit | 1 | 3.34K | 143K | by Jan 1993 – Apr 2017 |
| Rogers-Jones Unit O-1-14029 | Texas American Resources Company only | Pearsall (Austin Chalk) | Dimmit | 1 | 3.33K | 7.71K | Jul 1995 – Feb 1997 |
| FGP O-1-15045 | CML Exploration, LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 3.32K | 0 | Mar 2009 – Dec 2011 |
| Gates Ranch G-1-113640 | Lewis Petro Properties, Inc. only | Catarina, SW. (Olmos) | Dimmit | 1 | 3.31K | 96.4K | by Jan 1993 – Apr 2011 |
| Briscoe Ranches, Inc. G-1-116211 | Rosetta Resources Operating LP only | Catarina, SW. (Olmos N-5) | Dimmit | 1 | 3.3K | 411K | by Jan 1993 – Jun 2010 |
| Briscoe (5140) G-1-216202 | Flint Oak Energy, LLC only | Catarina, SW. (San Miguel-Gas) | Dimmit | 1 | 3.3K | 78.7K | Mar 2006 – Aug 2026 |
| Kallio, R.J. O-1-12680 | Mission River Systems, Inc. only | Pearsall (Austin Chalk) | Dimmit | 2 | 3.26K | 182 | by Jan 1993 – Feb 1995 |
| Hamilton Ranch -50- O-1-12767 | Hamilton, J. R. only | Pearsall (Austin Chalk) | Dimmit | 1 | 3.22K | 27 | by Jan 1993 – Sep 2015 |
| Kothman G-1-202947 | El Toro Resources LLC only | Pena Creek (Georgetown) | Dimmit | 1 | 3.18K | 1.01M | Mar 2004 – Jun 2014 |
| Conn, M. W. O-1-4190 | Tracker Oil & Gas, Inc. only | Good Luck (San Miguel) | Dimmit | 1 | 3.17K | 0 | Aug 1995 – May 2001 |
| Russell G-1-289800 | CML Exploration, LLC only | Pearsall (Buda, S.) | Dimmit | 1 | 3.14K | 153K | Aug 2018 – Aug 2026 |
| Baggett, John B. O-1-5366 | McDaniel Company, Inc., The only | Pearsall (Austin Chalk) | Dimmit | 5 | 3.11K | 3.8K | by Jan 1993 – Oct 1993 |
| Lamb O-1-21235 | CML Exploration, LLC only | Pena Creek (Georgetown) | Dimmit | 1 | 3.04K | 145K | Jun 2023 – Feb 2024 |
| Briscoe Ranch G-1-85723 | Rosetta Resources Operating LP only | Catarina, SW. (Olmos) | Dimmit | 1 | 3.01K | 156K | by Jan 1993 – Jan 2014 |
| Kothman G-1-202114 | El Toro Resources LLC only | Pena Creek (Georgetown) | Dimmit | 1 | 2.97K | 469K | Mar 2004 – Dec 2009 |
| Tumlinson Unit #8 O-1-10607 | Texowa, LLC only | Blakeway (Dixon Sand) | Dimmit | 1 | 2.96K | 15.1K | by Jan 1993 – Jul 2010 |
| Bray, Ealen -SJ- O-1-4513 | Oil, Gas, Etc. LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 5 | 2.94K | 34.7K | by Jan 1993 – Oct 2015 |
| Nance, O. N. O-1-15157 | Exco Operating Company, LP only | Pearsall (Austin Chalk) | Dimmit | 1 | 2.86K | 0 | Apr 2010 – Dec 2012 |
| Continental O-1-12816 | Lone Star Operating Company only | Pearsall (Austin Chalk) | Dimmit | 1 | 2.85K | 0 | Dec 1994 – Jul 1998 |
| Sultenfuss, Lawrence F. O-1-4241 | Gardner Oil & Gas Co. only | Good Luck (San Miguel) | Dimmit | 1 | 2.85K | 22 | by Jan 1993 – Aug 1996 |
| Stumberg, L.H. G-1-195001 | Kerns Petroleum, Inc. only | Blakeway (Strickland Sand) | Dimmit | 1 | 2.79K | 174K | May 2003 – Dec 2010 |
| Quinney Gas Unit G-1-161604 | Null, W.M. Operations, Inc. only | Evergreen Farms, NE. (1ST Olmos) | Dimmit | 1 | 2.71K | 74.8K | Dec 1996 – Jan 1998 |
| Hugh A. Fitzsimons, et al -Z- O-1-11354 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 2 | 2.68K | 13.5K | by Jan 1993 – Jul 2008 |
| Flat Creek Unit D O-1-20586 | Ineos USA Oil & Gas LLC only | Lorenzo (Austin Chalk) | Dimmit | 1 | 2.61K | 6.3K | Oct 2021 – Sep 2022 |
| Briscoe (5140) G-1-220367 | Flint Oak Energy, LLC only | Briscoe Ranch (Olmos) | Dimmit | 1 | 2.6K | 437K | May 2006 – Aug 2026 |
| Rhodes - State G-1-160896 | Republic Resources, LLC. only | Evergreen Farms (Georgetown) | Dimmit | 1 | 2.58K | 209K | May 1996 – Mar 2005 |
| Bowman O-1-14949 | Carrizo Exploration, Inc. only | Saint Thirteen (Olmos No. 1) | Dimmit | 1 | 2.57K | 40.2K | Jun 2008 – Mar 2012 |