| Myatt Minerals G-3-247112 | Sanchez Oil & Gas Corporation only | Blue Basin (6100) | Matagorda | 1 | 37.4K | 185K | Feb 2009 – Feb 2014 |
| Meyers -F- O-3-2987 | KZ Global Energy, LLC only | Markham | Matagorda | 2 | 37.4K | 20 | by Jan 1993 – Jul 2026 |
| Miller, L. H. Gas Unit G-3-151805 | Hamman Oil & Refining Company only | Jennings Lake (Frio 9500) | Matagorda | 1 | 37.3K | 825K | Dec 1994 – Nov 1997 |
| Trull Gas Unit G-3-272228 | Sanchez Oil & Gas Corporation only | Trull (8900) | Matagorda | 1 | 37K | 353K | Dec 2013 – Jul 2016 |
| Bay City Unit No. 19 O-3-8273 | Atlas Operating LLC only | Bay City, E ( Parker Sand) | Matagorda | 1 | 36.9K | 48.6K | by Jan 1993 – Aug 2025 |
| Huebner G-3-174782 | EOG Resources, Inc. only | Faith-Mag (Lewis) | Matagorda | 1 | 36.5K | 3.11M | Aug 1999 – Aug 2004 |
| Blessing Unit No. 3 G-3-244598 | GTG Operating, LLC only | Pheasant, SW. (Frio 10500) | Matagorda | 1 | 36K | 538K | Nov 2008 – Jun 2026 |
| Cornelius, L. G-3-197613 | Samson Exploration, LLC only | Wadsworth, S. (11100, Res.-B | Matagorda | 1 | 35.7K | 1.54M | Aug 2003 – Nov 2011 |
| Pecan Unit G-3-278352 | Kebo Oil & Gas, Inc. only | El Maton (Frio F-1) | Matagorda | 1 | 35.6K | 933K | Jan 2015 – Jul 2025 |
| Goodall-Doss Gas Unit No. 1 G-3-279975 | Hilcorp Energy Company only | Wadsworth, S. (Tex-Miss A) | Matagorda | 1 | 35.3K | 1.04M | Apr 2015 – Aug 2026 |
| Topaz G-3-242369 | Square Mile Energy, L.L.C. only | El Maton, North (A-6) | Matagorda | 1 | 35.1K | 1.86M | Jul 2008 – Jul 2011 |
| Pierce Estate O-3-25050 | Kebo Oil & Gas, Inc. only | Blessing (F-19) | Matagorda | 1 | 35.1K | 33.6K | Jun 2007 – Dec 2010 |
| Herman "A" G-3-174638 | Dallas Production, Inc. only | Pheasant (McDonald) | Matagorda | 1 | 35K | 1.07M | Sep 1999 – Jan 2003 |
| Huebner Trusts G-3-222737 | Red Wolf Oil Company, Inc. only | Huebner ( 9,960 S.) | Matagorda | 1 | 34.3K | 1.09M | Mar 2007 – Nov 2010 |
| Eberle G-3-216127 | Rumble Energy LLC only | Wadsworth (10,400 Frio) | Matagorda | 1 | 34.2K | 456K | Jun 2005 – Sep 2024 |
| Talafuse Gas Unit G-3-254779 | Amrwr, LLC only | Hamman, East (11,200 Frio FB B) | Matagorda | 1 | 34.2K | 755K | Jun 2008 – Jan 2023 |
| Huebner, Pauline O-3-24429 | Callon (Eagle Ford) LLC only | Faith-Mag (Disc 3) | Matagorda | 1 | 33.8K | 91.6K | Aug 2003 – Sep 2004 |
| Cleveland, May O-3-1852 | Rusk Energy Operating LLC only | Hamman | Matagorda | 4 | 33.8K | 41 | by Jan 1993 – Jul 2026 |
| Pheasant Blessing G-3-234209 | Kebo Oil & Gas, Inc. only | Pheasant, SW. (Frio 10000) | Matagorda | 1 | 32.8K | 133K | Jan 2008 – Jan 2014 |
| Linnville O-3-25453 | Texakoma Operating, L.P. only | Linnville Bayou (8700) | Matagorda | 1 | 32.5K | 37.5K | Dec 2009 – Dec 2015 |
| Wolf G-3-182078 | Richman Petroleum Corp. only | Lucky, West ( F-10) | Matagorda | 1 | 31.9K | 267K | Mar 2001 – Aug 2002 |
| Dawdy Gas Unit G-3-179451 | Wynn-Crosby Operating, Ltd. only | Tidehaven, Deep (Frio 11,700) | Matagorda | 1 | 31.9K | 2.08M | Aug 2000 – Oct 2008 |
| Slaughter G-3-214075 | Trinidad Energy, LLC only | Palacios, East (Frio 9400) | Matagorda | 1 | 31.7K | 849K | Nov 2005 – Oct 2011 |
| Trull SWP O-3-28109 | Kebo Oil & Gas, Inc. only | Blessing (F-15 Seg B) | Matagorda | 1 | 31.6K | 42.5K | Mar 2023 – Aug 2026 |
| Ottis, Emil J. Heirs G-3-216460 | Devon Energy Production Co, L.P. only | Silverspoon (Tex SA1 Sand) | Matagorda | 1 | 31.6K | 7.03M | Sep 2005 – Dec 2009 |
| Lewis, J. C. O-3-6349 | Expro Engineering, Inc. only | Duncan Slough (Frio-4) | Matagorda | 2 | 30.6K | 156K | by Jan 1993 – Mar 2001 |
| Runnells Gas Unit G-3-201102 | IV Standard, LLC only | Duncan Slough (Frio Cons.) | Matagorda | 1 | 30.3K | 4.74M | Nov 2003 – Aug 2026 |
| Braman -C- O-3-8147 | Oak Energy, LLC only | Sugar Valley, N. (Laurence) | Matagorda | 1 | 30.2K | 31.5K | by Jan 1993 – Feb 2023 |
| Cornelius, L. G-3-193858 | Erskine Energy, LLC only | Wadsworth, S. (11100) | Matagorda | 1 | 29.9K | 1.08M | Jan 2003 – Jan 2006 |
| Wagner, E. O-3-17746 | Unit Petroleum Company only | Palacios (Frio -A-) | Matagorda | 1 | 29.8K | 461K | by Jan 1993 – Jun 1999 |
| Duncan Ranch "B" G-3-258907 | Milagro Exploration, LLC only | Hollywood, South (Frio 7900) | Matagorda | 1 | 29.8K | 1.54M | Nov 2010 – Feb 2013 |
| Wolf Unit #1 O-3-24126 | Lindenmuth & Associates, Inc. only | Lucky, W. ( No. 30 Sd.) | Matagorda | 1 | 29.8K | 151K | Dec 2001 – May 2003 |
| Runnells Gas Unit 1 G-3-261682 | IV Standard, LLC only | Grand Slam (Claughton) | Matagorda | 1 | 29.7K | 457K | Jan 2011 – Jun 2012 |
| Pierce Estate G-3-177936 | Cypress Production, Inc. only | Sugar Valley (Frio 9,000) | Matagorda | 1 | 29.1K | 2.45M | Jul 2000 – Sep 2004 |
| Lewis O-3-21027 | Intercoastal Energy, Inc. only | Buckeye (Frio F-3) | Matagorda | 1 | 29K | 22 | by Jan 1993 – Aug 2001 |
| West Blessing G-3-244801 | Dallas Petroleum Group, LLC only | Potthast (Middle Tex Miss) | Matagorda | 1 | 28.7K | 441K | Oct 2008 – Dec 2020 |
| Anderson O-3-22859 | Deguello Operating LLC only | Lucky ( Badough) | Matagorda | 1 | 28.2K | 25.8K | Dec 1995 – Jun 2011 |
| Baptist Foundation G-3-279199 | Magnum Producing, LP only | Buttermilk (Nodosaria 10,000) | Matagorda | 1 | 27.8K | 226K | Mar 2015 – Dec 2025 |
| Wolf O-3-24066 | Lindenmuth & Associates, Inc. only | Lucky, W. ( No. 30 Sd.) | Matagorda | 1 | 27.8K | 32.3K | May 2001 – Aug 2001 |
| Cobb, F. G. 'B' O-3-26134 | Texian Operating Company, LLC only | Bay City (7450, E.) | Matagorda | 1 | 27.7K | 52.6K | Feb 2013 – Aug 2026 |
| Thomasson, Sadie E. O-3-21549 | Chaparral Energy, L.L.C. only | Sugar Valley (Cayce) | Matagorda | 1 | 27.6K | 21.7K | by Jan 1993 – Nov 2003 |
| Harrison, G. G-3-197609 | Proline Energy Resources Inc only | Pheasant, SW. (Frio K) | Matagorda | 1 | 27.2K | 781K | Mar 2003 – Apr 2014 |
| Blessing Pierce ("S" Unit) G-3-145821 | Sue-Ann Operating, L.C. only | Blessing (F-13) | Matagorda | 1 | 27.2K | 660K | Jun 1993 – Nov 2007 |
| Milberger Gas Unit G-3-246582 | South Bay Resources, L.L.C. only | Hamman, East (11,200 Frio) | Matagorda | 1 | 27.1K | 303K | Feb 2008 – Jul 2010 |
| Miller G-3-179882 | EOG Resources, Inc. only | Jennings Lake (Truitt C) | Matagorda | 1 | 27.1K | 677K | Sep 2000 – Jul 2003 |
| Pitchfork Ranch A-90 G-3-192174 | Carrizo Oil & Gas, Inc. only | Wadsworth (11,200 Frio) | Matagorda | 1 | 27.1K | 1.12M | Oct 2002 – May 2008 |
| Lewis, J. C. "C" G-3-217099 | Atlas Operating LLC only | Duncan Slough (Frio Cons.) | Matagorda | 1 | 27.1K | 786K | Mar 2006 – Aug 2026 |
| Pierce Est. Oil & Gas Ints. G-3-48189 | IV Standard, LLC only | Duncan Slough, S. (Frio, Lo.) | Matagorda | 1 | 27K | 1.93M | Sep 1993 – Aug 2026 |
| Goolsbee G-3-250050 | Rap Operating, L.L.C. only | Hamman, East (11,150) | Matagorda | 1 | 27K | 451K | Jul 2008 – May 2022 |
| Blessing Murphy O-3-20520 | Hugoton Operating Company, Inc. only | Blessing (F-18-C) | Matagorda | 1 | 27K | 136K | by Jan 1993 – Sep 2002 |