| 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 |
| 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 |
| 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 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 |
| Halsell O-1-2655 | Seagull Operating Co., Inc. only | Sacatosa (San Miguel #1 Sand) | Maverick | 17 | 56.9K | 21 | by Jan 1993 – Dec 2018 |
| 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 |
| 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 |
| 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 |
| 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 |
| Sackett, S. "A" O-8-15154 | Family Trust B, The only | Coleman County Regular | Coleman | 2 | 8.38K | 24.6K | by Jan 1993 – May 2017 |
| Halsell -40- O-1-9997 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 3 | 7K | 52 | by Jan 1993 – Oct 2008 |
| Johnston, James O-1-6086 | Moseley & McKissack Res LLC only | Pearsall (Austin Chalk) | Frio | 3 | 6.07K | 19 | by Jan 1993 – Sep 1997 |
| Halsell (40) O-1-6553 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 3 | 5.59K | 45 | by Jan 1993 – Oct 2006 |
| Merritt Pond O-10-25155 | Sackerol Enterprises, Inc. only | Turner-Gregory (Clear Fork) | Mitchell | 10 | 5.22K | 39 | by Jan 1993 – Jun 1996 |
| Halsell Major O-1-6490 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 4 | 4.81K | 52 | by Jan 1993 – Feb 2009 |
| Cage-Briscoe B 528H Unit O-1-15008 | Newfield Exploration Company only | Sacatosa (San Miguel #1 Sand) | Maverick | 1 | 4.77K | 0 | Oct 2008 – Aug 2009 |
| Halsell (20) O-1-6552 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 2 | 4.59K | 51 | by Jan 1993 – Mar 2007 |
| Hrivnatz-McBride O-3-26207 | Resaca Resources, L.L.C. only | Big Thicket (Yegua 5000) | Tyler | 1 | 4.46K | 0 | Apr 2012 – Apr 2013 |
| Pelican South O-3-25941 | Resaca Resources, L.L.C. only | Pelican | Liberty | 1 | 4.04K | 7.87K | Feb 2012 – Oct 2012 |
| Senesac, Nolan 2 O-6-14194 | Valence Operating Company only | Oak Hill (Travis Peak) | Rusk | 1 | 3.99K | 20.4K | Jun 2002 – Nov 2010 |
| Halsell-Union O-1-3943 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 1 | 2.72K | 52 | by Jan 1993 – Oct 2007 |
| Chittim, N.J. O-1-15010 | Chittim Operating LLC only | Sacatosa (San Miguel #5 Sd.) | Maverick | 11 | 2.38K | 3.13K | Aug 2008 – Mar 2010 |
| Chisos O-3-26151 | Resaca Resources, L.L.C. only | Cleveland (Cockfield 5600) | Liberty | 1 | 2.05K | 0 | Nov 2012 – Sep 2013 |
| Halsell, Ewing Foundation O-1-3969 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 25 | 1.94K | 147 | by Jan 1993 – Oct 2003 |
| Pelican South O-3-26179 | Resaca Resources, L.L.C. only | Lick Branch (8800 Sherwood) | Liberty | 1 | 1.91K | 23K | Dec 2012 – Dec 2013 |
| Halsell -91- O-1-14364 | CMR Energy, L.P. only | Sacatosa (San Miguel #1 Sand) | Maverick | 4 | 1.51K | 21 | Oct 2001 – Jul 2007 |