| Wilson Trust O-3-24751 | Hemco Development, LLC only | Pheasant, South ( B-3) | Matagorda | 1 | 135K | 16.5K | Jun 2005 – Jul 2017 |
| Pheasant Blessing O-3-25474 | Dallas Petroleum Group, LLC only | Pheasant (McDonald) | Matagorda | 1 | 135K | 73.6K | Feb 2010 – Apr 2026 |
| Cobb, F. G. -B- O-3-9500 | Urban Oil & Gas Group, LLC only | Bay City (8500 Frio) | Matagorda | 3 | 132K | 281K | Jan 1993 – Sep 2018 |
| Wolf, Louis O-3-22978 | Kirkpatrick, John Oil LLC only | Lucky, West ( F-12) | Matagorda | 1 | 130K | 300K | May 1996 – Feb 2020 |
| Saha-Petersen Gas Unit G-3-246621 | Square Mile Energy, L.L.C. only | Coconut (Anomalina 4) | Matagorda | 1 | 129K | 12.2M | Jan 2009 – Apr 2026 |
| Milberger O-3-23858 | CLR Secondary Recovery, LLC only | Milberger (Gravier) | Matagorda | 1 | 126K | 168K | Mar 2000 – Jan 2016 |
| Nevada Blessing Unit G-3-225941 | GTG Operating, LLC only | Pheasant, SW. (Frio 11000) | Matagorda | 1 | 121K | 2.27M | Sep 2006 – Feb 2026 |
| Ohio-Sun Unit O-3-11585 | Allegiant Resources, LLC only | Markham,n.-Bay City,n (7685) | Matagorda | 9 | 120K | 139K | Jan 1993 – Jun 2024 |
| Northern Ranch O-3-20849 | Trinidad Resources, LLC only | Northern Ranch (6270) | Matagorda | 1 | 119K | 270K | Jan 1993 – Sep 2019 |
| Rio Ranch G-3-255505 | Amrwr, LLC only | Big Boggy Creek (TM5) | Matagorda | 1 | 118K | 9.85M | Jan 2010 – Jun 2017 |
| Dawdy, Richard P. O-3-10182 | Kirkpatrick, John Oil LLC only | Lucky, West ( Sloan Sand) | Matagorda | 1 | 112K | 48.3K | Jan 1993 – Jan 2018 |
| Sog-Olson G-3-188424 | Hilcorp Energy Company only | Rugeley, SW (14800) | Matagorda | 1 | 112K | 1.59M | Feb 2002 – Mar 2011 |
| Cobb, F.G. "B" O-3-20608 | Texian Operating Company, LLC only | Bay City (8600 Frio) | Matagorda | 1 | 110K | 242K | Jan 1993 – Jul 2025 |
| Huebner, M. D. O-3-12883 | McGowan Working Partners, Inc. only | Lucky, South (8700) | Matagorda | 2 | 108K | 12.1K | Jan 1993 – Oct 2017 |
| Ladner, et. Al. O-3-25607 | Fergus Oil & Gas, LLC only | Midfields, N. W. (9300) | Matagorda | 1 | 108K | 0 | Oct 2010 – Mar 2026 |
| Cobb, F. G. -B- O-3-24446 | Texian Operating Company, LLC only | Bay City (7450) | Matagorda | 1 | 105K | 149K | Sep 2003 – Apr 2026 |
| Johnson et Al O-3-12947 | Trinidad Energy, LLC only | Palacios (Frio -B-) | Matagorda | 1 | 104K | 12.9K | Jan 1993 – Jun 2019 |
| Saha-Petersen Gas Unit G-3-233756 | Square Mile Energy, L.L.C. only | Coconut (Anomalina 3) | Matagorda | 1 | 104K | 5.98M | Sep 2007 – Jul 2015 |
| Trull G-3-204611 | Remora Operating, LLC only | Potthast (Middle Tex Miss) | Matagorda | 1 | 97.6K | 1.8M | Aug 2004 – Apr 2026 |
| East Blessing Unit G-3-214571 | Baseline Oil & Gas Corp. only | Potthast (Middle Tex Miss) | Matagorda | 1 | 96.7K | 1.33M | Nov 2005 – Feb 2009 |
| Northern Ranch O-3-23106 | Apache Corporation only | Northern Ranch, South (Greta) | Matagorda | 2 | 96.2K | 87.5K | Nov 1996 – Jan 2006 |
| Huebner-Conklin O-3-25260 | Welderxp Ltd. only | Lucky, South (8700) | Matagorda | 1 | 95.9K | 13.1K | Sep 2008 – Jan 2015 |
| Southeast Blessing Unit G-3-227187 | GTG Operating, LLC only | Pheasant, SW. (Frio 11000) | Matagorda | 1 | 95.6K | 1.48M | Nov 2006 – Jun 2020 |
| Moore Estate O-3-9467 | Texian Operating Company, LLC only | Bay City (7000 Frio) | Matagorda | 2 | 93.5K | 328K | Jan 1993 – Apr 2026 |
| Flowers Foundation G-3-175103 | Deep Rock Resources, Inc. only | Ashby (Eberstein, Up.) | Matagorda | 1 | 93.5K | 617K | Aug 1999 – Oct 2003 |
| Myers, N. R. -B- O-3-2976 | KZ Global Energy, LLC only | Markham | Matagorda | 4 | 93K | 50.4K | Jan 1993 – Mar 2026 |
| Northern Ranch O-3-17745 | Trinidad Resources, LLC only | Northern Ranch (Camp B) | Matagorda | 1 | 92.2K | 116K | Sep 1995 – Apr 2017 |
| Blessing Unit No. 3 G-3-213313 | GTG Operating, LLC only | Potthast (Middle Tex Miss) | Matagorda | 1 | 91.3K | 1.91M | Sep 2005 – Feb 2026 |
| Cornelious, L. G-3-104080 | Erskine Energy, LLC only | Wadsworth, S. (11100, Res.-B | Matagorda | 1 | 89.6K | 5.46M | Jan 1993 – Sep 2008 |
| Milberger A O-3-24195 | CLR Secondary Recovery, LLC only | Milberger (Gravier) | Matagorda | 1 | 85.9K | 119K | Jan 2002 – Jul 2015 |
| Taylor Ranch O-3-26872 | Ponderosa Oil & Gas, LLC only | Sugar Valley (Gravier) | Matagorda | 1 | 85.4K | 0 | Feb 2015 – Dec 2024 |
| Petrucha G-3-203950 | Alltex Exploration, Inc. only | Petrucha, N. (12000) | Matagorda | 1 | 85.4K | 2.19M | Jul 2004 – Mar 2025 |
| Lewis, Frank H. Family -A- O-3-24176 | Icarus Operating Corporation only | Merlin (Glynn "B" Sand) | Matagorda | 3 | 82.5K | 14.2K | Apr 2002 – Sep 2017 |
| Trull, R.B. O-3-10107 | KD Energy, LLC only | Pheasant, SW. (8150 B-1) | Matagorda | 10 | 82.3K | 185K | Jan 1993 – Apr 2026 |
| Northern Ranch O-3-5884 | Apache Corporation only | Northern Ranch (Camp Sand) | Matagorda | 2 | 82.2K | 97.3K | Jan 1993 – Jan 2008 |
| Cobb, F. G. -B- O-3-9493 | Urban Oil & Gas Group, LLC only | Bay City (8200 Frio) | Matagorda | 7 | 81.7K | 105K | Jan 1993 – Jun 2006 |
| Trull G-3-263510 | North Lake Resources LLC only | Pheasant, South (10,600) | Matagorda | 1 | 81.2K | 839K | Mar 2011 – Sep 2016 |
| Baer G-3-216639 | Devon Energy Production Co, L.P. only | Silverspoon (Tex SA1 Sand) | Matagorda | 1 | 81.2K | 7.56M | Apr 2006 – Apr 2013 |
| Rugeley, Henry O-3-21262 | Apache Corporation only | Bay City (8800 Frio) | Matagorda | 1 | 81.1K | 249K | Jan 1993 – Apr 2006 |
| Northwest Blessing G-3-269165 | Kebo Oil & Gas, Inc. only | Pheasant, SW (Frio 11700) | Matagorda | 1 | 80.3K | 1.81M | Jul 2012 – Apr 2026 |
| F. G. Cobb "A" O-3-24389 | Texian Operating Company, LLC only | Bay City (7500 Frio) | Matagorda | 1 | 79.6K | 58.2K | Aug 2003 – Apr 2026 |
| Yeamans Blessing G-3-262244 | Kebo Oil & Gas, Inc. only | Pheasant, South (10,600) | Matagorda | 1 | 79.3K | 998K | Dec 2010 – Apr 2026 |
| Ponderosa Ranch G-3-206591 | EOG Resources, Inc. only | Shepherds Mott (Rugeley Deep) | Matagorda | 1 | 79.3K | 969K | Oct 2004 – Oct 2014 |
| Sartwelle O-3-23779 | Langston Oil, LLC only | Tidehaven (Frio, Upper) | Matagorda | 1 | 79.1K | 39.8K | Feb 2000 – Nov 2021 |
| Blessing Unit No. 2 G-3-214566 | GTG Operating, LLC only | Potthast (Middle Tex Miss) | Matagorda | 1 | 78.9K | 1.71M | Jun 2005 – Feb 2026 |
| Sartwelle O-3-22536 | Quintana Pet. Corp. only | Tidehaven (Frio, Upper) | Matagorda | 1 | 78K | 19K | Sep 1994 – Aug 1998 |
| Blessing Unit G-3-204742 | GTG Operating, LLC only | Potthast (Middle Tex Miss) | Matagorda | 1 | 78K | 1.37M | Aug 2004 – Feb 2026 |
| Pitchfork Ranch A-90 G-3-183001 | Carrizo Oil & Gas, Inc. only | Faith-Mag, Southwest (11600) | Matagorda | 1 | 77.9K | 1.59M | Apr 2001 – Sep 2002 |
| Santos-Buckeye G-3-196037 | Expro Engineering, Inc. only | Grand Slam (Claughton) | Matagorda | 1 | 77.6K | 969K | Aug 2002 – Aug 2010 |
| Anderson O-3-26834 | Magnum Producing, LP only | Lucky ( Gola) | Matagorda | 1 | 77.3K | 84.8K | Jun 2014 – Feb 2021 |