| McWilliams Unit G-3-140772 | Expro Engineering, Inc. only | Bay City, East (10,000 B) | Matagorda | 1 | 1.21K | 637K | by Jan 1993 – Mar 1998 |
| Sittel GU G-3-263569 | EOG Resources, Inc. only | Nance (Frio 9600) | Matagorda | 1 | 1.21K | 172K | Sep 2011 – Apr 2013 |
| Reno Blessing G-3-243726 | Kebo Oil & Gas, Inc. only | Pheasant, SW. (Frio 10100) | Matagorda | 1 | 1.19K | 15.7K | Mar 2008 – May 2008 |
| Blessing F-3 Unit O/A O-3-28266 | Kebo Oil & Gas, Inc. only | Blessing (F- 3) | Matagorda | 1 | 1.18K | 0 | Jul 2026 – Aug 2026 |
| Collup, Laraine Gas Unit G-3-136155 | Expro Engineering, Inc. only | Midfields, SW. (9000) | Matagorda | 1 | 1.17K | 40.1K | by Jan 1993 – Jun 1995 |
| Kosarek Unit G-3-140065 | Abraxas Production Corporation only | Blessing (F-14) | Matagorda | 1 | 1.15K | 39K | by Jan 1993 – May 1994 |
| Bunk G-3-300126 | Ponderosa Oil & Gas, LLC only | Nance (Tex-Miss # 3) | Matagorda | 1 | 1.15K | 144K | May 2025 – Apr 2026 |
| Cornelius, L. G-3-133506 | Wagner & Brown, Ltd. only | Wadsworth, S. (11100, Res. C) | Matagorda | 1 | 1.14K | 57.9K | by Jan 1993 – Jun 1993 |
| Moore Estate G-3-158084 | Apache Corporation only | Bay City (8300) | Matagorda | 1 | 1.14K | 144K | Apr 1996 – Jul 1998 |
| Cornelius, L. G-3-220808 | Erskine Energy, LLC only | Wadsworth, South (Tex-Miss) | Matagorda | 1 | 1.13K | 22.7K | Apr 2006 – May 2006 |
| State Tract 110 O-3-23672 | Enertech Resources, Inc. only | Turtle Point (1ST Text. Miss SD) | Matagorda | 1 | 1.13K | 1.18K | May 1999 – Jul 2000 |
| Louis Wolf G-3-106321 | Huber, J. M., Corporation only | Lucky, West ( Hardy Horn, Lower) | Matagorda | 1 | 1.12K | 141K | by Jan 1993 – Jul 1994 |
| Koch State O-3-20626 | Hugoton Operating Company, Inc. only | Blessing (F-11) | Matagorda | 1 | 1.11K | 1.16K | Feb 1995 – Oct 1998 |
| Sittel GU G-3-207858 | EOG Resources, Inc. only | Nance (Mid AB-1) | Matagorda | 1 | 1.11K | 168K | Jan 2005 – May 2005 |
| Old Ocean Unit G-3-161727 | Hilcorp Energy Company only | Old Ocean (Armstrong) | Matagorda | 1 | 1.08K | 708K | Oct 1996 – Apr 2004 |
| A.S. Herman O-3-27272 | Langston Oil, LLC only | Blessing (F-11) | Matagorda | 1 | 1.07K | 0 | Apr 2017 – Oct 2021 |
| First National Bank G-3-159941 | Sue-Ann Operating, L.C. only | Midfields (Frio 8030) | Matagorda | 1 | 1.07K | 101K | Jul 1996 – Jan 2000 |
| Pitchfork Ranch A-90 G-3-250213 | Carrizo Oil & Gas, Inc. only | Wadsworth, West (Lewis No. 2) | Matagorda | 1 | 1.05K | 141K | Jul 2008 – Aug 2009 |
| Norris G-3-292161 | Ponderosa Oil & Gas, LLC only | Nance (Frio 10,600) | Matagorda | 1 | 1.02K | 138K | Jan 2022 – Aug 2022 |
| Trull O-3-21491 | Intercoastal Energy, Inc. only | Pheasant, South ( B-3) | Matagorda | 1 | 1.02K | 20 | by Jan 1993 – May 1995 |
| J.C. Lewis G-3-249828 | Atlas Operating LLC only | Duncan Slough (Frio Cons.) | Matagorda | 1 | 1.02K | 23.6K | Apr 2009 – Feb 2011 |
| Herlin G-3-256735 | EOG Resources, Inc. only | Bucks Bayou (Frio Tex 2) | Matagorda | 1 | 1.01K | 141K | Mar 2010 – Mar 2012 |
| Batchelder et Al G-3-212205 | Hunt Petroleum (Aec), Inc. only | Turtle Creek (Charlton Sand) | Matagorda | 1 | 1.01K | 52.3K | Oct 2005 – Jan 2006 |
| Northern Ranch G-3-257099 | Trinidad Resources, LLC only | Northern Ranch (7000) | Matagorda | 1 | 992 | 10.5K | Apr 2010 – May 2011 |
| Gracey O-3-23996 | Davis Gulf Coast, Inc. only | Old Ocean (Armstrong) | Matagorda | 1 | 991 | 48.2K | Nov 2000 – Apr 2004 |
| Southeast Blessing Unit G-3-246596 | GTG Operating, LLC only | Pheasant, SW. (Frio 10500) | Matagorda | 1 | 980 | 184K | Jul 2008 – Jun 2020 |
| Bass GU G-3-249567 | Tri-C Resources Partners I, LLC only | Bucks Bayou (Frio Tex 2) | Matagorda | 1 | 966 | 82.9K | Jan 2009 – May 2009 |
| Janssen-Schluter G-3-198807 | Unit Petroleum Company only | Chalmers, W. (Janssen) | Matagorda | 1 | 965 | 60.4K | Oct 2003 – Mar 2004 |
| Sittel GU G-3-196551 | EOG Resources, Inc. only | Nance (Mid AB-2) | Matagorda | 1 | 961 | 106K | Jun 2003 – Dec 2004 |
| Gresham -A- G-3-129527 | Lemon, Richard G. only | Trull (Nodosaria 5) | Matagorda | 1 | 949 | 142K | by Jan 1993 – Aug 1997 |
| Barkley, H. N. et Al G-3-68143 | Expro Engineering, Inc. only | Mellon (10500) | Matagorda | 1 | 936 | 65.8K | by Jan 1993 – Mar 1994 |
| Ohio Sun Unit G-3-117728 | Marathon Oil Company only | Markham N.-Bay City, N (Carlson) | Matagorda | 1 | 929 | 28.4K | Mar 1993 – Jul 1994 |
| Ohio-Sun Unit G-3-176030 | Comstock Oil & Gas, Inc. only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 920 | 76.8K | Jan 2000 – Dec 2002 |
| Heb GU G-3-221417 | Mohican Operating, L.L.C. only | Wadsworth (10,400 Frio) | Matagorda | 1 | 914 | 126K | Feb 2006 – Sep 2006 |
| Harriman, C. B. G-3-7734 | Unit Petroleum Company only | Palacios (Frio "E" FB 1) | Matagorda | 1 | 905 | 54K | by Jan 1993 – Dec 1997 |
| J. L. Evans Ranch O-3-27266 | Ponderosa Oil & Gas, LLC only | Sugar Valley (Ammo 8590) | Matagorda | 1 | 904 | 19K | Sep 2016 – Mar 2018 |
| Thompson G.U. O-3-25840 | Alta Mesa Services, LP only | Bay City, East ( 8500 Badough) | Matagorda | 1 | 903 | 344 | Oct 2011 – Jan 2012 |
| Savage O-3-24222 | Sandel Operating Company only | Wadsworth (8600) | Matagorda | 1 | 868 | 10.4K | Jul 2002 – Apr 2007 |
| Beulah O-3-26065 | Pitchfork Oil & Gas, Inc. only | Pheasant (Eberstein) | Matagorda | 1 | 862 | 0 | Oct 2012 – Apr 2022 |
| Ohio-Sun Unit G-3-180126 | Premier Natural Resources, LLC only | Markham,n.-BAYCITY,N.(7550-A) | Matagorda | 1 | 841 | 32.5K | Nov 2000 – Jul 2001 |
| Savage G-3-192223 | CLR Secondary Recovery, LLC only | Wadsworth (Lewis 9900) | Matagorda | 1 | 840 | 165K | Oct 2002 – Apr 2007 |
| Ohio-Sun Unit G-3-174200 | Marathon Oil Company only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 840 | 38.3K | Sep 1999 – Oct 2000 |
| Blessing -S- (Pierce) G-3-234210 | Sue-Ann Operating, L.C. only | Blessing, North (Frio) | Matagorda | 1 | 836 | 18K | Nov 2007 – Sep 2010 |
| Union Central Life Ins. Co. GU G-3-257935 | EOG Resources, Inc. only | Bucks Bayou (Frio Tex 2) | Matagorda | 1 | 818 | 258K | Feb 2010 – Feb 2014 |
| Lewis, J. C. G-3-148828 | Expro Engineering, Inc. only | Duncan Slough (Frio-7) | Matagorda | 1 | 807 | 71.9K | Mar 1994 – Sep 2005 |
| McDonald, E. L. G-3-179553 | EOG Resources, Inc. only | Markham, N. (Anomalina B Lower) | Matagorda | 1 | 795 | 67.1K | Jul 2000 – Nov 2000 |
| Old Ocean Unit G-3-136845 | Hilcorp Energy Company only | Old Ocean (Armstrong) | Matagorda | 1 | 768 | 111K | by Jan 1993 – Apr 1996 |
| Pierce-Heffelfinger O-3-15878 | M. E. Operating only | Blessing, N. (9850 B) | Matagorda | 1 | 748 | 84 | by Jan 1993 – Jul 2000 |
| Cobb, F. G. -B- O-3-23482 | Apache Corporation only | Bay City (8300, FB-A) | Matagorda | 1 | 748 | 14.3K | Mar 1998 – May 1999 |
| Elma Ayers Gas Unit G-3-167983 | XTO Energy Inc. only | Tidehaven, Deep (Frio 10700) | Matagorda | 1 | 733 | 50.4K | Mar 1998 – Jul 2002 |