| Sliva, Annie H. G-3-39819 | Freddy's Well Service, Inc. only | Bay City (9440) | Matagorda | 1 | 731 | 183K | by Jan 1993 – Jul 1996 |
| Conklin G-3-203727 | Reddy Disposals, LLC only | Huebner ( 9,270 Frio) | Matagorda | 1 | 729 | 108K | Sep 2004 – May 2005 |
| Flowers Foundation G-3-250810 | Deep Rock Resources, Inc. only | Ashby (McDonald) | Matagorda | 1 | 728 | 41.4K | May 2009 – Aug 2010 |
| Anderson O-3-27736 | Magnum Producing, LP only | Lucky, East (Huebner) | Matagorda | 1 | 722 | 19.4K | Jan 2020 – Apr 2020 |
| Wolf G-3-257138 | Kirkpatrick, John Oil LLC only | Lucky, West ( 8,870) | Matagorda | 1 | 686 | 61.1K | Mar 2010 – Feb 2017 |
| Watson, F M, Trust et al "B" O-3-28300 | Atlas Operating LLC only | Rugeley, N. (13100) | Matagorda | 1 | 681 | 0 | Mar 2026 – Aug 2026 |
| Synergy-Petersen G-3-184338 | Hilcorp Energy Company only | Rugeley, SW. (Helmouth 12660) | Matagorda | 1 | 678 | 34.6K | Jul 2001 – Nov 2001 |
| A. S. Herman G-3-279984 | Howard Exploration, Inc. only | Blessing (F-16) | Matagorda | 1 | 674 | 189K | May 2015 – Feb 2017 |
| Bowers G-3-242854 | DJ Exploration, Inc. only | Collegeport (7-A) | Matagorda | 1 | 667 | 389K | Aug 2008 – Apr 2014 |
| Richers, Alfred B. O-3-19806 | Midfield SWD, LLC only | Hamman (10,900) | Matagorda | 1 | 627 | 172 | by Jan 1993 – Aug 1999 |
| Ohio Sun Unit G-3-147912 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City, N (7150) | Matagorda | 1 | 626 | 66.3K | Dec 1993 – May 1994 |
| McWilliams Gas Unit G-3-225534 | Atlas Operating LLC only | Bay City, East (10,000 B) | Matagorda | 1 | 624 | 1.18M | Dec 2006 – Feb 2013 |
| Arnold Gas Unit G-3-250746 | South Bay Resources, L.L.C. only | Hamman, East (10,870) | Matagorda | 1 | 622 | 1.06K | Sep 2007 – Dec 2007 |
| Bouldin-Tay Oui G-3-54920 | Oak Energy, LLC only | Sugar Valley(truitt Taylor B SG) | Matagorda | 1 | 613 | 51.7K | by Jan 1993 – Jan 1996 |
| Cornelius, L. G-3-289130 | Rumble Energy LLC only | Wadsworth ( CH-1) | Matagorda | 1 | 606 | 8.32K | Dec 2019 – Mar 2025 |
| Huebner G-3-174784 | EOG Resources, Inc. only | Faith-Mag (Frio 9500) | Matagorda | 1 | 603 | 257K | Sep 1999 – Aug 2009 |
| Ohio-Sun Unit O-3-10525 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City,n (7150-A) | Matagorda | 4 | 602 | 1.46K | Aug 2020 – Dec 2020 |
| F. G. Cobb -B- G-3-290027 | Texian Operating Company, LLC only | Bay City (8400) | Matagorda | 1 | 596 | 40.9K | Oct 2018 – Aug 2026 |
| Ayers, Elma Gas Unit G-3-196987 | XTO Energy Inc. only | Tidehaven (10500) | Matagorda | 1 | 594 | 27.5K | Sep 2003 – Jul 2005 |
| Kaack, John Unit G-3-138410 | Lemon, Richard G. only | Mellon (10500) | Matagorda | 1 | 593 | 21.6K | by Jan 1993 – Mar 1996 |
| Yeamans O-3-26571 | Kebo Oil & Gas, Inc. only | Blessing (F-20) | Matagorda | 1 | 591 | 0 | Mar 2014 – Apr 2016 |
| Metzger Gas Unit G-3-256696 | Atlas Operating LLC only | Bay City, East (10,000 A) | Matagorda | 1 | 583 | 472K | Mar 2010 – Sep 2018 |
| Flowers Foundation G-3-271092 | Deep Rock Resources, Inc. only | Ashby (9000) | Matagorda | 1 | 580 | 4.86K | Oct 2011 – Aug 2013 |
| Thompson, J.E. O-3-17376 | Smith Production Inc. only | Lucky ( Badough) | Matagorda | 2 | 578 | 2.46K | by Jan 1993 – Aug 1993 |
| Cornelius Gas Unit G-3-132756 | Goodrich Pet. Co. of Louisiana only | Wadsworth (Savage) | Matagorda | 1 | 564 | 18.6K | by Jan 1993 – Jan 1994 |
| Sartwelle G-3-148053 | Quintana Pet. Corp. only | Tidehaven (Frio, Upper) | Matagorda | 1 | 562 | 85.2K | Nov 1993 – Aug 1994 |
| Heffelfinger G-3-170865 | Sue-Ann Operating, L.C. only | Blessing (F-19) | Matagorda | 1 | 547 | 12.8K | Oct 1998 – Oct 1998 |
| Ohio-Sun Unit G-3-157290 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City, N (W. 1 UP) | Matagorda | 1 | 545 | 224K | Dec 1995 – Feb 2000 |
| Simon-Ottis G-3-147988 | Anadarko E&P Company LP only | Wadsworth, South (Tex-Miss) | Matagorda | 1 | 540 | 355K | May 1993 – Apr 1994 |
| Golf Course O-3-27833 | Kebo Oil & Gas, Inc. only | Hamman (9150) | Matagorda | 1 | 536 | 51.7K | Jan 2020 – Sep 2020 |
| Junek O-3-21339 | Cox & Perkins Exploration, Inc. only | Little Pheasant (Frio J) | Matagorda | 1 | 534 | 7 | by Jan 1993 – Jul 1993 |
| Dykes Gas Unit G-3-178394 | Unit Petroleum Company only | Le Tulle (Frio 10,000) | Matagorda | 1 | 533 | 28.2K | Jun 2000 – Jan 2001 |
| Lewis, J. C. G-3-138449 | Gulfport Oil & Gas Inc. only | Live Oak Bayou (6620 Archer Sd.) | Matagorda | 1 | 521 | 802K | by Jan 1993 – Dec 1999 |
| Lewis G-3-126821 | Roil Production Company only | Lake Austin (Miocene D) | Matagorda | 1 | 513 | 865K | by Jan 1993 – Mar 1997 |
| Savage G-3-174702 | EOG Resources, Inc. only | Wadsworth (11380) | Matagorda | 1 | 504 | 9.33K | Dec 1998 – Jan 1999 |
| Carson City Kid O-3-27275 | Ponderosa Oil & Gas, LLC only | Sugar Valley (8100) | Matagorda | 1 | 480 | 0 | May 2017 – Aug 2017 |
| Stoddard -A- G-3-6036 | Atlas Operating LLC only | Duncan Slough (Frio Cons.) | Matagorda | 1 | 472 | 13.8K | Aug 1994 – Sep 1997 |
| Horn, Jessie F. Unit O-3-1858 | Rusk Energy Operating LLC only | Hamman | Matagorda | 1 | 466 | 41 | by Jan 1993 – Feb 2021 |
| Rugeley, E. F. G-3-143664 | Rodessa Operating Company only | Lucky (Frio 8900) | Matagorda | 1 | 461 | 31.2K | by Jan 1993 – Nov 1998 |
| Yeamans G-3-271756 | Kebo Oil & Gas, Inc. only | Blessing (F-20) | Matagorda | 1 | 452 | 497 | Nov 2013 – Jan 2014 |
| Dawdy G-3-156620 | Sue-Ann Production Company only | Lucky, West ( Thompson East Seg) | Matagorda | 1 | 444 | 75K | Dec 1995 – Feb 1996 |
| Wolf Unit #1 G-3-195173 | Lindenmuth & Associates, Inc. only | Lucky, West ( F-12) | Matagorda | 1 | 435 | 69.5K | May 2003 – Mar 2004 |
| Pheasant Blessing G-3-243725 | Kebo Oil & Gas, Inc. only | Pheasant, SW. (Frio 10100) | Matagorda | 1 | 434 | 1.62K | Jun 2008 – Sep 2008 |
| Richers, E. G-3-40970 | K-3 Resources, LP only | Hamman ( 9,900 Frio) | Matagorda | 1 | 429 | 162K | by Jan 1993 – Sep 2002 |
| Ohio-Sun Unit G-3-293605 | Goldking Minerals Mgmt, L.L.C. only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 404 | 95.2K | Oct 2022 – Aug 2026 |
| Huebner G-3-279212 | Kebo Oil & Gas, Inc. only | Lucky, South (Frio 9200) | Matagorda | 1 | 404 | 23.6K | Feb 2015 – Jul 2015 |
| Ware G-3-295688 | Ponderosa Oil & Gas, LLC only | Bay City (9050 Frio) | Matagorda | 1 | 400 | 2.25K | May 2023 – Jul 2023 |
| Trull O-3-24215 | Samedan Oil Corporation only | Potthast (Frio K-1) | Matagorda | 1 | 393 | 2.55K | May 2002 – Jun 2002 |
| Grant, John F. G-3-216869 | Oak Energy, LLC only | Sugar Valley (Ammo 8590) | Matagorda | 1 | 390 | 36.5K | Jan 2006 – Oct 2022 |
| Thompson Gas Unit G-3-179470 | Gaither Petroleum Corporation only | Bay City, East ( Huebner) | Matagorda | 1 | 389 | 22.1K | Sep 2000 – Oct 2002 |