| Schulz-Armstrong Unit O-3-21865 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 342K | 2.35M | by Jan 1993 – Apr 2026 |
| Schulze-Watts Unit O-1-18083 | Trinity Operating (Usg), LLC only | Pearsall (Austin Chalk) | La Salle | 1 | 272K | 415K | Feb 2014 – Apr 2026 |
| Schulze, Walter J. O-1-13170 | Trinity Operating (Usg), LLC only | Pearsall (Austin Chalk) | La Salle | 1 | 212K | 58.4K | by Jan 1993 – Apr 2026 |
| Schulze Zamora O-1-21459 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 198K | 305K | Sep 2024 – Mar 2026 |
| Schulze Talbutt A O-1-21452 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 188K | 342K | Sep 2024 – Mar 2026 |
| Pietsch-Schulz Unit O-3-21754 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 184K | 1.53M | by Jan 1993 – Dec 2013 |
| Schulze Talbutt B O-1-21453 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 182K | 304K | Sep 2024 – Mar 2026 |
| Schulz-Muench O-3-25954 | Strand Energy, L.C. only | New Ulm (LWR Wilcox Cons.) | Austin | 2 | 151K | 201K | Apr 2012 – Apr 2026 |
| Schulze Unit O-3-22442 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 142K | 887K | Jun 1994 – Apr 2026 |
| Schulze-Scott B Unit O-1-18050 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 3 | 141K | 808K | Nov 2013 – Apr 2026 |
| Schulz, A. J. O-13-5222 | Waggoner Operating, L.L.C. only | Wichita County Regular | Wichita | 27 | 136K | 22 | by Jan 1993 – Apr 2026 |
| Schulze-Scott a Unit O-1-16405 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 125K | 759K | Mar 2013 – Apr 2026 |
| Cross-Schulze Unit O-1-13859 | Trinity Operating (Usg), LLC only | Pearsall (Austin Chalk) | La Salle | 1 | 98.2K | 75.2K | Apr 1994 – Mar 2008 |
| Grandjean-Schulze Unit O-3-13059 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 2 | 87.5K | 688K | by Jan 1993 – Apr 2024 |
| Scott Schulze O-1-16049 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 82.3K | 441K | Jul 2012 – Mar 2026 |
| Schulz, Henry O-13-6362 | Macha Enterprises, Inc. only | Lady Fritz (Strawn, Upper) | Wichita | 4 | 78.6K | 21 | by Jan 1993 – Jun 2016 |
| Schulz/Pietsch O-3-21355 | Leexus Oil LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 74.9K | 233K | by Jan 1993 – Apr 2026 |
| R.W. Schulz, et al Unit O-3-21956 | Mineral Technologies, Inc. only | Giddings (Austin Chalk-3) | Fayette | 1 | 52.3K | 431K | by Jan 1993 – Oct 2018 |
| Schulze, R. Philip, et Al O-4-9330 | Vision Oil and Gas LLC only | Agua Dulce (7850) | Nueces | 4 | 51.1K | 60K | by Jan 1993 – Nov 2009 |
| Schulze, Herbert K. et Al O-4-12321 | Vision Oil and Gas LLC only | Agua Dulce (7850) | Nueces | 2 | 47K | 40.9K | Mar 1994 – May 2025 |
| Schulze, A.G. O-3-14829 | WCS Oil & Gas Corporation only | Giddings (Austin Chalk-3) | Lee | 3 | 46.3K | 54.5K | by Jan 1993 – Nov 2017 |
| Schulz, Ella O-13-5370 | R2Q Operating LLC only | Wichita County Regular | Wichita | 22 | 42K | 21 | by Jan 1993 – Mar 2017 |
| Schulz, Henry O-13-6386 | Macha Enterprises, Inc. only | Madden, E. (Strawn) | Wichita | 4 | 36.8K | 21 | by Jan 1993 – Oct 2003 |
| Elmo Schulze O-3-20175 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 4 | 33.7K | 104K | by Jan 1993 – Jan 2026 |
| Schulze O-3-20151 | Leexus Oil LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 27.1K | 387K | by Jan 1993 – Apr 2026 |
| Schulze, Minnie O-3-19928 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 18.6K | 105K | by Jan 1993 – Oct 2023 |
| Weise-Schulze O-3-20033 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 13.8K | 52.9K | by Jan 1993 – Oct 2019 |
| Schulze O-3-19602 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 11.1K | 32K | by Jan 1993 – Apr 2017 |
| Schulze "A" O-3-19861 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 8.75K | 24.3K | by Jan 1993 – Dec 2025 |
| Schulze, Frances Oil Unit O-3-20193 | MW Petroleum Corporation only | Giddings (Austin Chalk-3) | Lee | 1 | 7.78K | 8.58K | by Jan 1993 – Dec 1995 |
| Schulze, Clarence O-3-19285 | Seay Oil & Gas, Ltd. only | Serbin (Taylor Sand) | Lee | 1 | 7.41K | 9.1K | by Jan 1993 – Dec 2006 |
| Nesbitt "F" O-13-22813 | Hep Oil GP, LLC only | Schulz & Brannan (Strawn 3150) | Young | 1 | 4.19K | 20.4K | by Jan 1993 – Aug 2006 |
| Elmo Schulze 'A' O-3-19415 | Texas Vanguard Oil Company only | Serbin (Taylor Sand) | Lee | 1 | 3.65K | 16.1K | by Jan 1993 – Aug 2000 |
| Schulze, Elmo "A" O-3-19437 | Rathburn Land & Devel, Inc. only | Serbin (Taylor Sand) | Lee | 1 | 2.87K | 9.48K | by Jan 1993 – Nov 1996 |
| Schulz-Muench O-3-25599 | Strand Energy, L.C. only | New Ulm (LWR Wilcox Cons.) | Austin | 1 | 2.19K | 11K | Nov 2010 – Jan 2011 |
| Schulze O-1-10293 | Byng Energy Group, Inc. only | Giddings (Austin Chalk-1) | Bastrop | 1 | 1.43K | 21 | by Jan 1993 – Mar 2000 |
| Nesbitt "G" O-13-23903 | Silver Creek Resources, LLC only | Schulz & Brannan (Strawn 3150) | Young | 1 | 1.15K | 20.8K | by Jan 1993 – Sep 2006 |
| Schulz Muench "A" O-3-26054 | Strand Energy, L.C. only | New Ulm (LWR Wilcox Cons.) | Austin | 1 | 728 | 1.45K | May 2012 – Jan 2013 |
| Schulz O-3-24301 | North American Drilling Corp only | Howth (Wilcox, Lower) | Waller | 1 | 299 | 3.51K | Dec 2002 – Mar 2003 |
| Schulze-Schmidt Unit O-3-23634 | Geosouthern Energy Corporation only | Giddings (Austin Chalk-3) | Fayette | 1 | 193 | 1.03K | Feb 1999 – Aug 1999 |
| Schulze O-3-17474 | Ken Petroleum Corporation only | Niels Carlsen | Wharton | 1 | 179 | 21 | by Jan 1993 – Jan 1999 |
| Schulze, Fred O-1-3337 | American Eagle Resources, Inc. only | Bear Creek | Medina | 1 | 142 | 16 | by Jan 1993 – Jan 1995 |
| Schulz, M.F. Unit O-3-15250 | Geosouthern Energy Corporation only | Giddings (Austin Chalk-3) | Fayette | 1 | 28 | 7 | by Jan 1993 – Nov 1993 |
| Schulz Unit O-3-23548 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Austin | 1 | 0 | 0 | — |
| Los Encinos O-4-13971 | Schulz Operating LLC only | Pantex | Duval | 1 | 0 | 0 | — |
| Alwin-Schulze "B" O-3-12212 | MW Petroleum Corporation only | Giddings (Austin Chalk-3) | Lee | 1 | 0 | 0 | — |
| Nesbitt "E" O-13-21569 | Erwin Operating only | Schulz & Brannan (Strawn 3150) | Young | 1 | 0 | 0 | — |
| Montgomery "A" O-13-21604 | Tres Azores Oil & Gas, Inc. only | Schulz & Brannan (Strawn 3150) | Young | 1 | 0 | 0 | — |
| Schulze, Otto O-2-7969 | Branch Oil Company only | Wildcat | Karnes | 1 | 0 | 0 | — |
| Schulze-Scott C Unit O-1-16961 | EP Energy E&P Company, LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 0 | 0 | — |