| Schulze-Scott B Unit G-1-297534 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 142K | 734K | Nov 2013 – Apr 2026 |
| Schulze-Scott B Unit G-1-297787 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 137K | 707K | Nov 2013 – Apr 2026 |
| Schulze-Scott C Unit G-1-297963 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 136K | 687K | Jul 2013 – Apr 2026 |
| Schulz Estate 01 G-2-268802 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 135K | 1.42M | Dec 2012 – Apr 2026 |
| Schulz Estate 02 G-2-268836 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 128K | 1.26M | Dec 2012 – Apr 2026 |
| Schulz Trust 01 G-2-269686 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 110K | 1.15M | Mar 2013 – Apr 2026 |
| Gerald Burke Schulz 01 G-2-269392 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 108K | 1.15M | Mar 2013 – Apr 2026 |
| Schulze, Herbert K et Al G-4-173536 | Hughes, Dan A. Company, L.P. only | Brayton, N. (Vx. Causey) | Nueces | 1 | 59K | 1.51M | Apr 1999 – Mar 2007 |
| Gerald Burke Schulz 02 G-2-269645 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 53.2K | 1.03M | Mar 2012 – Apr 2026 |
| Schulze, Herbert K. et Al G-4-77742 | Vision Oil and Gas LLC only | Agua Dulce (8700) | Nueces | 1 | 22K | 1.48M | Jan 1993 – Mar 2008 |
| Schulz Family 01 G-2-270399 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 21.6K | 681K | May 2013 – Apr 2026 |
| Schulze, Herbert K. et Al G-4-235904 | Vision Oil and Gas LLC only | Agua Dulce (Vicksburg Consl.) | Nueces | 1 | 18.4K | 903K | Feb 2008 – Oct 2014 |
| Schulze, Herbert K. et Al G-4-174488 | Vision Oil and Gas LLC only | Agua Dulce (8400) | Nueces | 1 | 16.2K | 810K | Sep 1999 – Mar 2025 |
| Martin, T. G-1-151580 | Texas Independent Explor Ltd. only | Hostetter (Schulze) | McMullen | 1 | 15.4K | 1.26M | Sep 1994 – Mar 2005 |
| Schulze, H.K. et Al G-4-134022 | Vision Oil and Gas LLC only | Agua Dulce (8570) | Nueces | 1 | 12.1K | 651K | Jan 1993 – Jul 2023 |
| Schulz-Muench G-3-262987 | Strand Energy, L.C. only | New Ulm (LWR Wilcox Cons.) | Austin | 1 | 10.2K | 59K | Jan 2011 – Apr 2012 |
| Schulze, Herbert K., et Al G-4-171692 | Vision Oil and Gas LLC only | Agua Dulce (8570) | Nueces | 1 | 7.62K | 434K | Dec 1998 – Jul 2024 |
| Schulze, Herbert K. et Al G-4-109838 | Hughes, Dan A. Company only | Brayton, N. (Vicksburg 9900) | Nueces | 1 | 6.47K | 456K | Jan 1993 – Mar 1999 |
| Schulz-Muench G-3-210910 | Elliott Oil & Gas Operating Co. only | New Ulm (LWR Wilcox Cons.) | Austin | 1 | 4.5K | 145K | Jun 2005 – Apr 2010 |
| Schulze-Schmidt Unit G-3-149085 | Geosouthern Energy Corporation only | Giddings (Austin Chalk, Gas) | Fayette | 1 | 4.4K | 154K | Oct 1993 – Dec 1998 |
| Schulze, Herbert K. et Al G-4-114148 | Hughes, Dan A. Company only | Agua Dulce (8700 N. Seg.) | Nueces | 1 | 2.26K | 159K | Jan 1993 – Dec 1998 |
| Schulze, Herbert K. et Al G-4-65793 | Hughes, Dan A. Company only | Agua Dulce (8570) | Nueces | 1 | 2.09K | 81.8K | Jan 1993 – Sep 1996 |
| Schulz-Muench G-3-262869 | Strand Energy, L.C. only | New Ulm (LWR Wilcox Cons.) | Austin | 1 | 1.89K | 27.1K | Nov 2010 – Apr 2012 |
| Nesbitt "F" G-13-224142 | Erwin Operating only | Schulz & Brannan (Strawn 3150) | Young | 1 | 1.47K | 13.3K | Sep 2006 – Dec 2025 |
| Schulze G-6-218703 | Brookston Energy, Inc. only | Bethany (Paluxy) | Panola | 1 | 737 | 123K | Feb 2006 – Feb 2012 |
| Schulze, Herbert K. et Al G-4-226940 | Hughes, Dan A. Company, L.P. only | Brayton, N. (Vicksburg 9400) | Nueces | 1 | 369 | 9.21K | May 2007 – Nov 2007 |
| Schulze, Herbert K. et Al G-4-69364 | Hughes, Dan A. Company only | Agua Dulce (8400) | Nueces | 1 | 364 | 16.7K | Jan 1993 – Feb 1994 |
| Weise-Schulze G-3-286869 | Trivista Operating LLC only | Serbin (Taylor Sand) | Lee | 1 | 285 | 21 | Mar 2019 – Feb 2026 |
| Schulz 5H Gas Unit G-2-232332 | Blackbrush O & G, LLC only | Three Rivers (Edwards) | Live Oak | 1 | 232 | 1.41M | Sep 2007 – May 2023 |
| Schulz 2H Gas Unit G-2-231500 | Blackbrush O & G, LLC only | Three Rivers (Edwards) | Live Oak | 1 | 104 | 218K | Aug 2007 – Feb 2010 |
| Schulz 3H Gas Unit G-2-232515 | Blackbrush O & G, LLC only | Three Rivers (Edwards) | Live Oak | 1 | 93 | 1.14M | Oct 2007 – Apr 2026 |
| Schulz 5H Gas Unit G-2-229704 | Blackbrush O & G, LLC only | Three Rivers (Edwards) | Live Oak | 1 | 86 | 2.14M | May 2007 – Apr 2026 |
| Schulze, Herbert K. et Al G-4-110953 | Vision Oil and Gas LLC only | Agua Dulce (6270) | Nueces | 1 | 18 | 192K | Jan 1993 – Aug 2021 |
| Schulze, Herbert K. et Al G-4-182734 | Vision Oil and Gas LLC only | Agua Dulce (8700) | Nueces | 1 | 15 | 328K | Apr 2001 – Aug 2021 |
| Schulz 4H Gas Unit G-2-226839 | Blackbrush O & G, LLC only | Three Rivers (Edwards) | Live Oak | 1 | 5 | 745K | Mar 2007 – Apr 2026 |
| Nesbitt "G" G-13-224139 | Hep Oil GP, LLC only | Schulz & Brannan (Strawn 3150) | Young | 1 | 1 | 4.07K | Oct 2006 – Feb 2011 |
| Schulz, H. J. G-2-173072 | Pioneer Natural Res. USA, Inc. only | Three Rivers (Edwards) | Live Oak | 1 | 0 | 1.85M | Feb 1999 – Jun 2015 |
| Schulz, H. G-2-172420 | Pioneer Natural Res. USA, Inc. only | Three Rivers (Edwards) | Live Oak | 1 | 0 | 2.41M | Dec 1998 – Jun 2015 |
| Schulz G-2-169011 | Pioneer Natural Res. USA, Inc. only | Three Rivers (Edwards) | Live Oak | 1 | 0 | 1.54M | May 1998 – Jan 2015 |
| Schulz 2H Gas Unit G-2-165379 | Blackbrush O & G, LLC only | Three Rivers (Edwards) | Live Oak | 1 | 0 | 4.32M | Sep 1997 – Apr 2026 |
| Flanagan-Kinnamon G-2-90978 | Al-TX Operating Inc. only | Schulz (Edwards) | Live Oak | 1 | 0 | 0 | — |
| Schulz, J. Gerald G-2-86339 | Browning, Landon only | Schulz (Edwards) | Live Oak | 1 | 0 | 0 | — |
| Schulze G-6-218702 | Brookston Energy, Inc. only | Bethany (Page Sand) | Panola | 1 | 0 | 3.9K | Feb 2006 – Feb 2006 |
| Schulz G-2-80573 | Browning, Landon only | Schulz (Edwards) | Live Oak | 1 | 0 | 0 | — |
| Schulze, Ray G-8-17557 | Rockwood Resources Inc only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 0 | — |
| Schulze, Wilfred G-8-95883 | Ward Trust only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 1.16K | Jan 1993 – Apr 1998 |
| Schulze, Wilfred Ray G-8-98459 | Ward Trust only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 1.15K | Jan 1993 – Apr 1998 |
| Schulze, Ray G-8-156686 | Rockwood Resources Inc only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 0 | — |
| Schulze, Ray G-8-157940 | Rockwood Resources Inc only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 15.3K | Mar 1996 – May 1999 |
| Ramsours "A" G-13-100352 | Tres Azores Oil & Gas, Inc. only | Schulz & Brannan (Strawn 3150) | Young | 1 | 0 | 0 | — |