| Sacroc Unit O-11-3137 | Kinder Morgan Production Co LLC only | Kelly-Snyder | Scurry | 2,719 | 272M | 1.05B | by Jan 1993 – Apr 2026 |
| Chittim, N. J. O-1-2082 | Chittim Operating LLC only | Sacatosa (San Miguel #1 Sand) | Maverick | 1,562 | 17.5M | 4.29M | by Jan 1993 – Apr 2026 |
| Cusack Ranch O-1-15368 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 15 | 3.93M | 6.72M | Dec 2010 – Apr 2026 |
| Cusack Clampit Unit O-1-15258 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 15 | 2.65M | 5.08M | Dec 2010 – Apr 2026 |
| Giant Sacaton 1612 O-10-49476 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Howard | 2 | 675K | 1.69M | Oct 2017 – Apr 2026 |
| Sacks, Sylvia #1 O-3-20800 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 5 | 643K | 997K | by Jan 1993 – Apr 2026 |
| M. Cusack A O-2-11015 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 4 | 496K | 5.11M | Feb 2015 – Apr 2026 |
| Sackett Farms 6 O-10-39622 | New Height Energy, LLC only | Spraberry (Trend Area) | Howard | 10 | 390K | 1.21M | Jul 2009 – Mar 2026 |
| M. Cusack B O-2-10921 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 4 | 260K | 2.51M | Feb 2015 – Apr 2026 |
| Sacks, Sylvia O-3-21099 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 245K | 439K | by Jan 1993 – Apr 2026 |
| M. Cusack B G-2-268027 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 208K | 1.86M | Feb 2012 – Apr 2026 |
| M. Cusack A G-2-268029 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 189K | 1.55M | Jan 2012 – Jul 2025 |
| Cusack O-1-14147 | EOG Resources, Inc. only | First Shot (Austin Chalk) | Gonzales | 1 | 182K | 62.2K | Nov 1997 – May 2023 |
| Cusack Clampit Unit O-1-18867 | EOG Resources, Inc. only | Smiley (Austin Chalk) | Gonzales | 1 | 168K | 212K | Jul 2016 – Apr 2026 |
| M. Cusack B G-2-281936 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 130K | 1.22M | Feb 2015 – Apr 2026 |
| Cusack-Clampit Unit O-2-9468 | EOG Resources, Inc. only | Eagleville (Eagle Ford) | Gonzales | 8 | 130K | 72.6K | Oct 2010 – Nov 2010 |
| Senesac, Nolan 1 O-6-13331 | Valence Operating Company only | Oak Hill (Travis Peak) | Rusk | 2 | 119K | 221K | Oct 1993 – Apr 2026 |
| M. Cusack a - M. Cusack B SA O-2-11021 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 110K | 1.2M | Apr 2015 – Apr 2026 |
| Senesac, Nolan 3 O-6-14196 | Valence Operating Company only | Oak Hill (Travis Peak) | Rusk | 1 | 110K | 739K | Jun 2002 – Apr 2026 |
| Sachs-Trust a Unit O-1-17194 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 109K | 852K | Nov 2013 – Apr 2026 |
| Middleton-Sachs a Unit G-1-273725 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 105K | 519K | Dec 2013 – Apr 2026 |
| M. Cusack B G-2-281944 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 104K | 940K | Feb 2015 – Apr 2026 |
| Middleton-Sachs a Unit O-1-17144 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 2 | 95.2K | 692K | Dec 2013 – Apr 2026 |
| Sachs-Curtis B Unit O-1-17195 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 76.8K | 692K | Nov 2013 – Apr 2026 |
| Sacks, Seymour Etal O-3-17630 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 3 | 74.4K | 51.1K | by Jan 1993 – Jul 2004 |
| Schmidt-Sacks Unit O-3-14286 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 72.5K | 168K | by Jan 1993 – Apr 2026 |
| Cleveland Crest G-3-223605 | Resaca Resources, L.L.C. only | Cleveland (Wilcox 9000) | Liberty | 1 | 58K | 206K | Apr 2007 – Jun 2010 |
| Halsell O-1-2655 | Seagull Operating Co., Inc. only | Sacatosa (San Miguel #1 Sand) | Maverick | 17 | 56.9K | 21 | by Jan 1993 – Dec 2018 |
| Huisache Cattle Company "B" G-4-267735 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 54.9K | 2.21M | Nov 2011 – Apr 2026 |
| Huisache Cattle Company "B" G-4-271154 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 52K | 3.66M | Jun 2013 – Apr 2026 |
| Huisache Cattle Company 'B' G-4-274187 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 49.6K | 4.82M | Oct 2013 – Apr 2026 |
| Future Sace LLC G-3-257767 | Choice Exploration, Inc. only | Cottonwood, S.E. (Yegua) | Liberty | 1 | 47.2K | 326K | Jun 2010 – Apr 2013 |
| Huisache Cattle Company "B" G-4-270197 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 46.1K | 4.13M | Nov 2012 – Apr 2026 |
| Huisache Cattle Company "B" G-4-268987 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 41.4K | 4.07M | Apr 2012 – Apr 2024 |
| Sachtleben 221 O-2-9419 | Rickaway Energy, Corp. only | Hysaw (Carrizo) | Karnes | 1 | 38.6K | 0 | Apr 2010 – Apr 2026 |
| Wehmeyer, A. P. O-3-18080 | Sacono Oil & Gas, L.L.C. only | Kurten (Buda) | Brazos | 1 | 36.1K | 55.3K | by Jan 1993 – Jun 2019 |
| Huisache Cattle Company "B" G-4-264910 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 34.7K | 2.8M | Dec 2011 – Apr 2026 |
| Huisache Cattle Company "B" G-4-270713 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 33.6K | 2.64M | Nov 2012 – Apr 2026 |
| Cusack Ranch O-2-9571 | EOG Resources, Inc. only | Eagleville (Eagle Ford) | Gonzales | 2 | 31.6K | 0 | Nov 2010 – Nov 2010 |
| Patterson, Issac O-6-5786 | Wynn-Crosby Operating, Ltd. only | Quitman (Sub-Clarksville) | Wood | 1 | 30K | 2.49K | by Jan 1993 – Mar 2026 |
| Sackett, Ruby O-14-566 | Large Operating LLC only | Panhandle Gray County Field | Gray | 15 | 26.2K | 103K | by Jan 1993 – Nov 2015 |
| Weaver, Issac O-3-2818 | Magnum Producing, LP only | Louise | Wharton | 2 | 25.4K | 19 | Mar 1993 – Oct 2006 |
| Senesac-Bath G-6-293267 | Valence Operating Company only | Beckville (Cotton Valley) | Rusk | 1 | 23.4K | 2.68M | Jun 2022 – Apr 2026 |
| Huisache Cattle Co. B G-4-273105 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 18.6K | 1.44M | Jul 2013 – Apr 2026 |
| Halsell Liberty O-1-6960 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 10 | 17.7K | 53 | by Jan 1993 – Feb 2009 |
| Issacs 205 O-14-4256 | Cimarex Energy Co. of Colorado only | Mendota, NW. (Douglas, Lo.) | Hemphill | 2 | 13.8K | 69.9K | by Jan 1993 – Nov 2003 |
| Huisache Cattle Company A G-4-274256 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 12.4K | 1.81M | Feb 2014 – Apr 2026 |
| Nunley O-1-14679 | Shell Western E&P only | Sacatosa (Georgetown) | Maverick | 1 | 11.4K | 39.5K | Jul 2005 – Jul 2009 |
| Cornelius Cattle Company O-3-24938 | Resaca Resources, L.L.C. only | Lucky, NW. (Frio 9730) | Matagorda | 1 | 10.3K | 62.6K | Aug 2006 – Apr 2009 |
| Cage Ranch O-1-15007 | Newfield Exploration Company only | Sacatosa (San Miguel #1 Sand) | Maverick | 2 | 10.3K | 0 | Oct 2008 – Oct 2014 |