| Sabco Ibc O-3-25115 | Magnum Producing, LP only | Buckeye, West (7900) | Matagorda | 1 | 2.53K | 0 | Dec 2007 – May 2008 |
| Cornelius, L. G-3-242449 | Rumble Energy LLC only | Wadsworth (10,400 Frio) | Matagorda | 1 | 2.51K | 340K | Aug 2008 – Mar 2016 |
| Hallemann Gas Unit G-3-180114 | EOG Resources, Inc. only | Hamman, East (10,870) | Matagorda | 1 | 2.51K | 112K | Sep 2000 – Feb 2004 |
| Cornelius, L. G-3-180721 | Bluefin Resources LLC only | Wadsworth, S. (11200) | Matagorda | 1 | 2.47K | 1.38M | Jan 2001 – Dec 2002 |
| Savage G-3-242386 | Alltex Exploration, Inc. only | Wadsworth (10,400 Frio) | Matagorda | 1 | 2.46K | 65.9K | Aug 2008 – Aug 2026 |
| Batchelder et Al G-3-250060 | JSM Natural Resources, L.L.C. only | Camp Hulen, W. (Frio 8900) | Matagorda | 1 | 2.4K | 102K | Aug 2008 – Oct 2011 |
| Goodall, J. D. G-3-136097 | Union Pacific Resources Company only | Wadsworth, SE. (Discorbis B Sd.) | Matagorda | 1 | 2.38K | 24K | by Jan 1993 – Mar 1994 |
| Robeson G-3-285001 | Magnum Producing, LP only | Palacios (Melbourn E-3 Seg C) | Matagorda | 1 | 2.36K | 329K | Apr 2018 – Oct 2021 |
| Hallemann G-3-230552 | Walter Oil & Gas Corporation only | Hamman Deep (Frio 12,000) | Matagorda | 1 | 2.35K | 64.5K | May 2007 – Oct 2007 |
| Ohio-Sun Unit G-3-146588 | Marathon Oil Company only | Markham N.-Bay City, N (Betts) | Matagorda | 1 | 2.34K | 164K | Jul 1993 – Oct 1994 |
| Gresham Gas Unit G-2-272687 | Charolais Energy, LLC only | Francitas (Frio 8600) | Matagorda | 1 | 2.34K | 414K | Sep 2012 – Jul 2024 |
| Ohio Sun Unit G-3-184618 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 2.33K | 192K | Mar 2001 – Aug 2012 |
| Beulah G-3-272704 | Sue-Ann Operating, L.C. only | Blessing, North (Frio 8000) | Matagorda | 1 | 2.31K | 419K | Aug 2006 – Feb 2012 |
| Spur-Trull O-3-10420 | Sue-Ann Operating, L.C. only | Midfields (Wood) | Matagorda | 1 | 2.26K | 2.42K | by Jan 1993 – Jan 1994 |
| Millberger G-3-184176 | CLR Secondary Recovery, LLC only | Sugar Valley (Gravier) | Matagorda | 1 | 2.26K | 170K | Mar 2001 – Oct 2001 |
| S Linnville G-3-255246 | Texakoma Operating, L.P. only | Sugar Valley, S. (Frio 10,900) | Matagorda | 1 | 2.25K | 135K | Mar 2010 – Jul 2013 |
| Sisson, H. H. O-3-25744 | Rawhide Operating, Inc. only | Blessing (F-14-B) | Matagorda | 1 | 2.24K | 1.24K | Oct 2011 – Oct 2015 |
| Ohio-Sun Unit G-3-168644 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 2.22K | 118K | Jun 1998 – Sep 2018 |
| Robertson, W. T. G-3-149656 | Houston Hydrocarbons, Inc. (A) only | Sugar Valley (Ammo 8590) | Matagorda | 1 | 2.21K | 46.6K | May 1994 – Apr 1995 |
| Ohio-Sun Unit G-3-173735 | Marathon Oil Company only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 2.19K | 39.1K | Jul 1999 – Dec 2000 |
| Nelson East Blessing Unit G-3-282386 | GTG Operating, LLC only | Pheasant, SW. (Frio 10500) | Matagorda | 1 | 2.18K | 31.2K | Feb 2017 – Jun 2026 |
| Ohio-Sun Unit O-3-8423 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City,n(robertson) | Matagorda | 6 | 2.17K | 0 | Apr 2016 – Sep 2016 |
| Stovall O-3-22642 | Sue-Ann Production Company only | Midfields N.W. (9070) | Matagorda | 1 | 2.16K | 2.55K | Feb 1995 – Aug 1997 |
| Eberle O-3-24708 | Erskine Energy, LLC only | Wadsworth, S. (11100) | Matagorda | 1 | 2.16K | 34.7K | May 2005 – Jun 2005 |
| Savage G-3-190461 | CLR Secondary Recovery, LLC only | Wadsworth (Savage) | Matagorda | 1 | 2.14K | 260K | May 2002 – Oct 2014 |
| Linnville G-3-281420 | Texakoma Operating, L.P. only | Linnville Bayou (8400) | Matagorda | 1 | 2.13K | 148K | Jan 2016 – Aug 2018 |
| Hickl, Louis O-3-22247 | Kirkpatrick, John Oil LLC only | El Maton (Frio 9,500) | Matagorda | 1 | 2.13K | 7 | Aug 1993 – May 2003 |
| Ottis G-3-180378 | EOG Resources, Inc. only | Abbey's Point (1ST Discorbis) | Matagorda | 1 | 2.12K | 19.3K | Oct 2000 – Nov 2000 |
| Ohio-Sun Unit O-3-23835 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City, N (Hurd SD) | Matagorda | 1 | 2.11K | 43.2K | Feb 2000 – Apr 2002 |
| Wadsworth Ranch O-3-22747 | Expro Engineering, Inc. only | Midfields, SW. (8870) | Matagorda | 1 | 2.1K | 10.1K | Jun 1995 – Jun 1997 |
| Northern Ranch O-3-27306 | Trinidad Resources, LLC only | Northern Ranch, South (Greta) | Matagorda | 1 | 2.1K | 1.43K | Jul 2017 – Jun 2025 |
| Hurlock, Helen E. G-3-153084 | Sure Flow Oil & Gas, Inc. only | Sugar Valley (Boutte 8550) | Matagorda | 1 | 2.09K | 183K | Nov 1994 – Jan 1996 |
| Tex-Star Peterson G-3-153025 | Apache Corporation only | Sugar Valley (Gravier 9500) | Matagorda | 1 | 2.08K | 30.8K | Jan 1995 – May 1995 |
| Stovall-Johnston G-3-151077 | Sue-Ann Operating, L.C. only | Midfields,west (-E-) | Matagorda | 1 | 2.07K | 111K | Sep 1994 – Jul 1996 |
| Hickl, E. L. et Al G-3-114679 | Sandel Operating Company only | Mellon (10500) | Matagorda | 1 | 2.05K | 143K | by Jan 1993 – Jul 2016 |
| Sutherland-Ottis GU G-3-232228 | EOG Resources, Inc. only | Wadsworth, S. (11100) | Matagorda | 1 | 2.05K | 156K | Apr 2006 – Jan 2009 |
| Huebner O-3-25766 | Magnum Producing, LP only | Lucky (Anomalina 10300) | Matagorda | 2 | 2.02K | 4 | Feb 2011 – Jul 2012 |
| Metzger Gas Unit G-3-254222 | Atlas Operating LLC only | Bay City, East (10,000 B) | Matagorda | 1 | 2K | 1.27M | Oct 2009 – Jan 2016 |
| Pierce, Abel H. G-3-82699 | Unit Petroleum Company only | Palacios (Frio 15000) | Matagorda | 1 | 1.99K | 75K | by Jan 1993 – Sep 1997 |
| Bouldin, F. V. -B- G-3-89777 | Oak Energy, LLC only | Sugar Valley(gravier Taylor BSG) | Matagorda | 1 | 1.99K | 838K | by Jan 1993 – Aug 2005 |
| Cornelius, L. G-3-242510 | Rumble Energy LLC only | Wadsworth (10,400 Frio) | Matagorda | 1 | 1.97K | 67.7K | Oct 2008 – Jun 2016 |
| Ohio-Sun Unit G-3-149758 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City, N (Betts) | Matagorda | 1 | 1.97K | 408K | Apr 1994 – Nov 1999 |
| Terry-Poessel Gas Unit G-3-208298 | Arcadia Operating, LLC only | Tidehaven (Frio, Upper) | Matagorda | 1 | 1.96K | 90.4K | Sep 2004 – Jan 2005 |
| Cobb, F. G. "B" O-3-21535 | Apache Corporation only | Bay City (8400) | Matagorda | 1 | 1.94K | 17.8K | by Jan 1993 – Apr 1994 |
| Hurlock, Helen E., a & B O-3-8136 | Sure Flow Oil & Gas, Inc. only | Sugar Valley, N. (Hurlock) | Matagorda | 2 | 1.9K | 1 | Nov 1994 – Jan 1997 |
| McDonald, E. L. G-3-179152 | EOG Resources, Inc. only | Markham, N. (Anomalina B Upper) | Matagorda | 1 | 1.87K | 134K | Aug 2000 – Sep 2002 |
| Lewis G-3-190214 | Tri-C Resources Partners I, LLC only | Bucks Bayou (Frio Tex 2) | Matagorda | 1 | 1.87K | 408K | Aug 2002 – Aug 2026 |
| Bunk G-3-295186 | Ponderosa Oil & Gas, LLC only | Nance (Frio 11,400) | Matagorda | 1 | 1.86K | 116K | Apr 2023 – Jan 2024 |
| Dawdy Luck G-3-230007 | Sue-Ann Operating, L.C. only | Lario (10400) | Matagorda | 1 | 1.86K | 302K | May 2007 – Aug 2010 |
| Thomas G-3-181301 | Noble Energy Inc only | Pheasant (Nelson) | Matagorda | 1 | 1.84K | 106K | Feb 2001 – Mar 2003 |