| Buckskin State 1003 4U G-10-287109 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 703K | 3.4M | Jul 2019 – Apr 2026 |
| Von Blucher G-4-129375 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 11100) | Nueces | 1 | 611K | 8M | Jan 1993 – Dec 2003 |
| Buckskin State 1003 2U G-10-287018 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 609K | 3.59M | Jul 2019 – Apr 2026 |
| Savage G-3-169185 | EOG Resources, Inc. only | Wadsworth (11,100) | Matagorda | 1 | 529K | 10.6M | Jun 1998 – Oct 2000 |
| Savage G-3-169512 | Dominion Expl. & Prod., Inc. only | Wadsworth (11,100) | Matagorda | 1 | 453K | 13.2M | Aug 1998 – Apr 2002 |
| Buckskin State 1003 7U G-10-290875 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 450K | 2.4M | May 2022 – Apr 2026 |
| Buckskin State 1003 1U G-10-287202 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 434K | 5.95M | Jul 2019 – Apr 2026 |
| Von Blucher G-4-136027 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 11100) | Nueces | 1 | 404K | 5.19M | Jan 1993 – Apr 2017 |
| TSL 33100/TR 48/ G-4-180005 | White Marlin Operating Co, LLC only | Encinal Channel (FB-2A, M-4) | Nueces | 1 | 368K | 10.8M | Sep 2000 – Oct 2022 |
| Buckskin State 1003 3U G-10-287042 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 356K | 5.87M | Jul 2019 – Apr 2026 |
| Sherlock, M. F. et Al G-3-174569 | Samedan Oil Corporation only | Hildebrandt Bayou (10000 Hack) | Jefferson | 1 | 350K | 3.6M | Jul 1999 – Apr 2002 |
| Buckskin State 1003 5U G-10-290839 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 321K | 1.98M | Jun 2022 – Apr 2026 |
| Bar X G-3-189974 | Noble Energy Inc only | Baileys Prairie (12,100) | Brazoria | 1 | 319K | 11.4M | Jun 2002 – Jul 2006 |
| Savage G-3-170193 | EOG Resources, Inc. only | Wadsworth (11,100) | Matagorda | 1 | 305K | 11M | Aug 1998 – May 2000 |
| Buckskin State 1003 6U G-10-290754 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 264K | 1.85M | Jul 2022 – Apr 2026 |
| La Jolla G-4-138097 | Linn Operating, Inc. only | Brayton, N. (Vicksburg 11100) | Nueces | 1 | 259K | 1.96M | Jan 1993 – Jan 1999 |
| CPX State 100-33 E G-10-291976 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 248K | 1.98M | Nov 2021 – Apr 2026 |
| Buckskin State 1003 8U G-10-290755 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 235K | 3.64M | May 2022 – Apr 2026 |
| San Antonio A1100 B G-1-299888 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 220K | 607K | May 2019 – Apr 2026 |
| Weed A G-2-245483 | Texas Independent Explor Ltd. only | Francitas, South (10,100) | Jackson | 1 | 219K | 2.9M | Jan 2009 – Apr 2026 |
| La Jolla G-4-145366 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 11100) | Nueces | 1 | 210K | 2.08M | Mar 1993 – Dec 2003 |
| CPX State 100-33 B G-10-291752 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 204K | 1.83M | Sep 2021 – Apr 2026 |
| Kubecka G-2-234930 | Chesapeake Operating, L.L.C. only | Francitas, South (10,100) | Jackson | 1 | 199K | 2.6M | Apr 2008 – Jul 2014 |
| CPX State 100-33 A G-10-291749 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 187K | 1.5M | Sep 2021 – Apr 2026 |
| Sebastian G-3-266051 | H.E.R. Operating, LLC only | Bradley, South (Yegua 8100) | Hardin | 1 | 186K | 1.2M | Dec 2011 – Apr 2023 |
| CPX State 100-33 D G-10-291766 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 159K | 1.08M | Sep 2021 – Apr 2026 |
| CPX State 100-33 G G-10-292172 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 157K | 1.09M | Nov 2021 – Apr 2026 |
| Sullivan Unit G-2-149025 | Gouger Oil Company, LLC only | Maxine, East (9100) | Live Oak | 1 | 152K | 4.03M | Feb 1994 – Feb 2019 |
| Cranek Gas Unit G-3-176743 | Finley Resources, Inc. only | Menefee (Yegua 10050) | Wharton | 1 | 140K | 1.72M | Mar 2000 – Dec 2011 |
| Brown/Stark G-3-157050 | Energy Development Corp. only | Bobcat Run, S. (12,100) | Orange | 1 | 136K | 3.69M | Dec 1995 – Feb 1999 |
| Munson, H. C. G-3-218704 | Rust Oil Corp. only | Baileys Prairie (12,100) | Brazoria | 1 | 135K | 2.23M | Apr 2005 – Dec 2007 |
| Central Cole & Coke G-3-246077 | Hilcorp Energy Company only | Mercy (9100, Wilcox) | San Jacinto | 1 | 128K | 2.19M | Aug 2007 – Apr 2026 |
| San Antonio A1100 G-1-299906 | Trinity Operating (Usg), LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 123K | 643K | Feb 2019 – Apr 2026 |
| J O Price Trust 100 Lip G-14-264790 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 122K | 342K | Dec 2011 – Apr 2026 |
| Nevada Blessing Unit G-3-225941 | GTG Operating, LLC only | Pheasant, SW. (Frio 11000) | Matagorda | 1 | 121K | 2.27M | Sep 2006 – Feb 2026 |
| Texas State Lease 41338 G-4-271199 | White Marlin Operating Co, LLC only | Mstg Isl BLK889(MARG TEXUP11000) | Mustang IS-SB | 1 | 111K | 1.1M | Aug 2013 – Dec 2017 |
| Mansker "A" G-2-180125 | Hughes, Dan A. Company, L.P. only | Causey (11,100) | Bee | 1 | 111K | 6.69M | Sep 2000 – Apr 2014 |
| State Tract 806-S G-4-201698 | Walter Oil & Gas Corporation only | Matagorda 806 (Frio 11100) | Matgrda IS-SB | 1 | 111K | 2.85M | Sep 2004 – Jul 2011 |
| Glasscock Ranch A G-3-251901 | Petrovybe Opco LLC only | Prairie Bell (11000) | Colorado | 1 | 107K | 2.78M | Dec 2008 – Dec 2024 |
| Bazan G-4-184870 | Cimarron Engineering, LLC only | Bazan (Yegua 6100) | Duval | 1 | 98.8K | 2.16M | Aug 2001 – Nov 2014 |
| Southeast Blessing Unit G-3-227187 | GTG Operating, LLC only | Pheasant, SW. (Frio 11000) | Matagorda | 1 | 95.6K | 1.48M | Nov 2006 – Jun 2020 |
| Buckskin State 1003 9U G-10-295150 | PDC Permian, Inc. only | Sandbar (Bone Spring) | Reeves | 1 | 93.9K | 763K | Jun 2023 – Feb 2025 |
| Gillespie G-4-130959 | Alegre Operating, Inc. only | Brayton, N. (Vicksburg 11,100 A) | Nueces | 1 | 93.6K | 1.24M | Jan 1993 – Nov 2000 |
| Cornelious, L. G-3-104080 | Erskine Energy, LLC only | Wadsworth, S. (11100, Res.-B | Matagorda | 1 | 89.6K | 5.46M | Jan 1993 – Sep 2008 |
| Donner-Brown Unit A-1005 G-6-154172 | Bonfire Operating LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 87.4K | 4.27M | Feb 1995 – Jun 2015 |
| TSL 33100/TR 48/ G-4-180008 | White Marlin Operating Co, LLC only | Encinal Channel (FB-2A, M-3) | Nueces | 1 | 85.2K | 4.06M | Sep 2000 – Nov 2022 |
| Glasscock Ranch A G-3-260023 | Petrovybe Opco LLC only | Prairie Bell (11000) | Colorado | 1 | 83.4K | 3.59M | Aug 2010 – Apr 2026 |
| TSL 33100 /TR 48/ G-4-196325 | White Marlin Operating Co, LLC only | Encinal Channel (FB-2A, M-4) | Nueces | 1 | 80.4K | 3.16M | Jul 2003 – Aug 2014 |
| CPX State 100-33 F G-10-293578 | CPX Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 79.2K | 2.38M | Jul 2022 – Apr 2026 |
| TSL 33100/ TR 49/ G-4-200108 | White Marlin Operating Co, LLC only | Encinal Channel (FB-3B, M-4) | Nueces | 1 | 79.2K | 5.02M | Jan 2004 – Apr 2006 |