| West Bank G-3-243001 | Eagle Energy Development Co only | Lucky (8950) | Matagorda | 1 | 6.77K | 428K | Sep 2008 – Nov 2011 |
| Bass GU G-3-229708 | Tri-C Resources Partners I, LLC only | Bucks Bayou (Frio Tex 2) | Matagorda | 1 | 6.74K | 2.28M | Jun 2007 – Aug 2026 |
| Cornelius "B" G-3-213890 | Rumble Energy LLC only | Wadsworth ( CH-1) | Matagorda | 1 | 6.72K | 287K | Oct 2005 – Dec 2015 |
| PHS Gas Unit G-3-170775 | Wynn-Crosby Operating, Ltd. only | Tidehaven (2ND Anomalina) | Matagorda | 1 | 6.71K | 1.22M | May 1998 – Jan 2009 |
| Harriman O-3-26857 | Progenies Operating LLC only | Pheasant, South ( B-3) | Matagorda | 1 | 6.69K | 0 | Apr 2015 – Jan 2018 |
| Bouldin, F. V. O-3-27483 | Oak Energy, LLC only | Sugar Valley(bouldin Taylor BSG) | Matagorda | 1 | 6.69K | 7.21K | Dec 2018 – Oct 2022 |
| Strnadel G-3-149899 | Sue-Ann Production Company only | Midfields,west (-E-) | Matagorda | 1 | 6.67K | 405K | Jun 1994 – Dec 1995 |
| Stovall O-3-25935 | Sue-Ann Operating, L.C. only | Midfields,west (-E-) | Matagorda | 1 | 6.66K | 5.19K | May 2012 – Jan 2015 |
| Johnson Foundation G-3-189090 | EOG Resources, Inc. only | Old Ocean (Armstrong) | Matagorda | 1 | 6.55K | 472K | Mar 2002 – Sep 2003 |
| Moore, D. P. G-3-200346 | Basa Resources, Inc. only | Bay City, East ( 9900 Frio A) | Matagorda | 1 | 6.55K | 578K | Jan 2004 – Sep 2006 |
| Huebner O-3-27832 | Kebo Oil & Gas, Inc. only | Huebner ( 9,960 Frio) | Matagorda | 1 | 6.53K | 0 | Oct 2019 – May 2024 |
| South Blessing G-3-267000 | Kebo Oil & Gas, Inc. only | Pheasant, SW. (Frio 10000) | Matagorda | 1 | 6.48K | 336K | Jun 2012 – Aug 2026 |
| E. O. Hansen et al Unit O-3-23549 | Hilcorp Energy Company only | Rugeley, SW. (12100, N) | Matagorda | 1 | 6.45K | 17.1K | May 1998 – Feb 2020 |
| Hurlock, Helen E. G-3-154089 | Sure Flow Oil & Gas, Inc. only | Sugar Valley (Struma) | Matagorda | 1 | 6.39K | 165K | Mar 1995 – Sep 1997 |
| Pierce (F-14) G-3-184590 | Sue-Ann Operating, L.C. only | Blessing (F-14) | Matagorda | 1 | 6.39K | 223K | Jun 2001 – Nov 2009 |
| Stoddard "A" O-3-13685 | Atlas Operating LLC only | Buckeye (10,000) | Matagorda | 1 | 6.37K | 41.6K | Sep 1994 – Oct 2000 |
| Harriman, W. H. O-3-17891 | Richardson, Marshall T. only | Pheasant, South ( Harriman) | Matagorda | 1 | 6.29K | 3.68K | by Jan 1993 – May 2003 |
| Clardy, B. B. Gas Unit G-3-159717 | Unit Petroleum Company only | Palacios (Frio -F-) | Matagorda | 1 | 6.19K | 489K | Jun 1996 – Jun 1999 |
| Blessing Piller O-3-21215 | Hugoton Operating Company, Inc. only | Blessing (F-6) | Matagorda | 1 | 6.15K | 25.5K | by Jan 1993 – Feb 2010 |
| Heffelfinger (F-14) G-3-174344 | Hugoton Operating Company, Inc. only | Blessing (F-14) | Matagorda | 1 | 6.14K | 412K | Sep 1999 – Jul 2014 |
| Cobb, F. G.-B- O-3-23699 | Apache Corporation only | Bay City (7900 Frio) | Matagorda | 1 | 6.13K | 59.2K | Jun 1999 – May 2003 |
| Savage O-3-27953 | Rumble Energy LLC only | Wadsworth (A-2) | Matagorda | 1 | 6.05K | 1.55K | Jan 2022 – Nov 2025 |
| East Blessing Unit G-3-276552 | GTG Operating, LLC only | Potthast (Middle Tex Miss) | Matagorda | 1 | 6.04K | 243K | Feb 2014 – Jul 2025 |
| Tin Top G-3-192271 | Hollimon Oil Corporation only | Palacios (Frio 9300) | Matagorda | 1 | 6.04K | 254K | Oct 2001 – May 2004 |
| Cornelius, L. G-3-225322 | Rumble Energy LLC only | Wadsworth, S. (11100) | Matagorda | 1 | 5.82K | 738K | Jun 2006 – Feb 2013 |
| Stovall-Johnston O-3-18149 | Sue-Ann Production Company only | Midfields (Fleury 10,500) | Matagorda | 1 | 5.78K | 3.64K | by Jan 1993 – Aug 1994 |
| Savage, H., NCT-1 O-3-8486 | Alltex Exploration, Inc. only | Wadsworth ( CH-1) | Matagorda | 2 | 5.77K | 20 | by Jan 1993 – May 2004 |
| Rockenbauh, John K Unit G-3-119914 | Sandel Operating Company only | Palacios (Frio G, FB-1) | Matagorda | 1 | 5.76K | 219K | by Jan 1993 – Nov 2005 |
| Pierce T G-3-199181 | Cyber Enviro-Tech Inc only | Palacios (Melbourn E-3 Seg C) | Matagorda | 1 | 5.73K | 1.38M | Nov 2003 – Jun 2022 |
| Huebner G-3-268859 | Magnum Producing, LP only | Lucky (Huebner 8900) | Matagorda | 1 | 5.68K | 54.3K | Sep 2012 – Jan 2013 |
| Thompson G.U. O-3-27255 | Atlas Operating LLC only | Bay City, East ( 8500 Badough) | Matagorda | 1 | 5.66K | 23.7K | Aug 2016 – Jun 2022 |
| Dykes Gas Unit G-3-183636 | Well-Co Solutions, LLC only | Le Tulle (Frio 9600) | Matagorda | 1 | 5.63K | 582K | May 2001 – Feb 2006 |
| Duran, Fannie P. O-3-21248 | Unit Petroleum Company only | Linnville Bayou (8600) | Matagorda | 1 | 5.62K | 13 | by Jan 1993 – Jan 1994 |
| Pierce Estate 'C' G-3-276081 | Ballard Exploration Company,inc. only | Magnet Withers (Martinez SD) | Matagorda | 1 | 5.6K | 943K | Jun 2014 – Dec 2017 |
| Taylor G-3-195816 | EOG Resources, Inc. only | Sugar Valley, S. (Tex-2) | Matagorda | 1 | 5.55K | 2.38M | Jun 2003 – Apr 2009 |
| McNabb G-3-237297 | Devon Energy Production Co, L.P. only | Green Bay (Frio 10830) | Matagorda | 1 | 5.53K | 333K | Dec 2007 – Oct 2009 |
| Moore Estate O-3-20254 | Apache Corporation only | Bay City (8200 Frio) | Matagorda | 2 | 5.52K | 14.2K | by Jan 1993 – Sep 1994 |
| Miller, J. O. Sr. G-3-130937 | Saba Energy of Texas, Inc. only | Jennings Lake (Frio 9050) | Matagorda | 1 | 5.4K | 726K | by Jan 1993 – Jun 1997 |
| Union Central Life Ins Co. GU G-3-235008 | EOG Resources, Inc. only | Bucks Bayou (Frio Tex 2) | Matagorda | 1 | 5.32K | 2.33M | Feb 2008 – Jan 2015 |
| Old Ocean Unit G-3-74150 | Hilcorp Energy Company only | Old Ocean (Armstrong) | Matagorda | 1 | 5.28K | 526K | by Jan 1993 – Nov 1996 |
| Cornelius, L. G-3-224048 | Rumble Energy LLC only | Wadsworth, S. (10,200) | Matagorda | 1 | 5.27K | 409K | Apr 2006 – Aug 2016 |
| Cornelius O-3-20533 | Kelley Oil Corporation only | Wadsworth (8600) | Matagorda | 1 | 5.26K | 18 | by Jan 1993 – Mar 1995 |
| Wolf G-3-185224 | Kirkpatrick, John Oil LLC only | Lucky, West ( F-12) | Matagorda | 1 | 5.25K | 481K | Sep 2001 – Nov 2002 |
| Flowers Foundation G-3-165201 | Deep Rock Resources, Inc. only | Ashby (9000) | Matagorda | 1 | 5.24K | 183K | Sep 1997 – Aug 1999 |
| Harrison, L. S. G-3-158748 | Trinidad Energy, LLC only | Palacios (Frio 9100) | Matagorda | 1 | 5.16K | 264K | Mar 1996 – Jul 2026 |
| Flowers Foundation O-3-25114 | Deep Rock Resources, Inc. only | Ashby (McDonald) | Matagorda | 1 | 5.16K | 111K | Oct 2007 – Nov 2013 |
| Robertson, W. T. O-3-22780 | Oak Energy, LLC only | Sugar Valley (Ammo 8590) | Matagorda | 1 | 5.15K | 60.1K | May 1995 – Jul 1997 |
| Bunk, Bertha M. Unit G-3-144432 | Wagner & Brown, Ltd. only | Wadsworth, S.E. (Goodall Sd.) | Matagorda | 1 | 5.02K | 221K | Feb 1993 – Oct 1994 |
| Heffelfinger "a" Gas Unit G-3-263409 | Texegy Operating Company LLC only | Tidehaven, Deep (Frio 11300) | Matagorda | 1 | 4.96K | 502K | Jul 2011 – May 2017 |
| Huebner, Pauline G-3-275344 | Callon (Eagle Ford) LLC only | Huebner ( 9,960 S.) | Matagorda | 1 | 4.94K | 1.03M | Jan 2014 – Mar 2016 |