| Bigby West G 10-3 O-10-59432 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 310K | 1.18M | Jun 2023 – Apr 2026 |
| Whiting 10 O-10-50233 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 1 | 281K | 404K | Oct 2017 – Apr 2026 |
| UL G 10-25 O-10-55231 | Elevation Resources LLC only | Emma (Barnett Shale) | Andrews | 1 | 193K | 581K | Jun 2019 – Mar 2026 |
| Sullivan, D. J. "C" G-4-231815 | Merit Energy Company only | Home Run (Vicksburg 10) | Brooks | 1 | 152K | 2.83M | Jan 2007 – Jun 2010 |
| King 1077 O-14-8311 | Courson Oil & Gas, Inc. only | Kiowa Creek (Marmaton) | Lipscomb | 3 | 152K | 1.15M | Jan 2011 – Apr 2026 |
| Sullivan, D. J. State G-4-258008 | Merit Energy Company only | Home Run (Vicksburg 10) | Brooks | 1 | 137K | 1.41M | Sep 2010 – May 2015 |
| Sullivan, D. J. State G-4-256529 | Merit Energy Company only | Home Run (Vicksburg 10) | Brooks | 1 | 94.3K | 1.06M | May 2010 – Apr 2026 |
| UL G 10-13 A O-10-63986 | Elevation Resources LLC only | Emma (Barnett Shale) | Andrews | 1 | 66.6K | 55.3K | Jul 2025 – Mar 2026 |
| UL G 10-13 B O-10-64468 | Elevation Resources LLC only | Emma (Barnett Shale) | Andrews | 1 | 66.3K | 52.4K | Jul 2025 – Mar 2026 |
| Doug 1000 O-14-8199 | Presidio Petroleum LLC only | Kiowa Creek (Marmaton) | Ochiltree | 1 | 59.8K | 427K | Oct 2010 – Apr 2026 |
| La Jolla G-4-166996 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 36.6K | 296K | Jan 1998 – Jan 2015 |
| Sullivan, D. J. "C" G-4-238100 | Merit Energy Company only | Home Run (Vicksburg 10) | Brooks | 1 | 30.8K | 362K | Apr 2008 – Feb 2013 |
| Von Blucher G-4-247818 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 21.2K | 199K | Oct 2008 – Mar 2026 |
| Gillespie Gas Unit G-4-174524 | Wadi Operating, LLC only | Brayton, N. (Vicksburg 10540) | Nueces | 1 | 19.5K | 115K | Jul 1999 – May 2000 |
| La Jolla G-4-143201 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 16.5K | 306K | Jan 1993 – Mar 2026 |
| Blucher, Von G-4-136173 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 16.3K | 185K | Jan 1993 – Nov 2015 |
| Von Blucher G-4-262426 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 13.7K | 209K | Aug 2011 – Mar 2026 |
| La Jolla G-4-138098 | Linn Operating, Inc. only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 13.5K | 57.3K | Jan 1993 – Oct 2016 |
| Friedrichs G-4-222646 | OXY USA Inc. only | Mission, West (Vicksburg 10400) | Hidalgo | 1 | 13.3K | 244K | Sep 2006 – Oct 2016 |
| Simmonds & Perry G-4-264339 | EOG Resources, Inc. only | Brayton, N. (Vicksburg 10,000) | Nueces | 1 | 12.9K | 132K | Dec 2011 – Oct 2013 |
| Olivarez-Van Dresar Unit G-4-193839 | Paladin Petroleum III, L.L.C. only | Heintz (Vicksburg 10400) | Hidalgo | 1 | 11.1K | 510K | Jan 2003 – Feb 2021 |
| Sullivan, D. J. State G-4-202922 | Merit Energy Company only | Home Run (Vicksburg 10) | Brooks | 1 | 10.2K | 1.59M | Jun 2004 – Feb 2025 |
| Echols G-4-233109 | Milagro Exploration, LLC only | Cowboy (Vksbg 10200) | Starr | 1 | 10.1K | 377K | Nov 2007 – Jan 2010 |
| Guerra, F.B. G-4-154176 | Greenbrier Oper. Co. only | Cowboy (Vksbg 10200) | Starr | 1 | 9.23K | 310K | Feb 1995 – Nov 1997 |
| Gonzales #30 G-4-186068 | Texron Operating, LLC only | Pita, NW (Vicksburg 10350) | Brooks | 1 | 8.76K | 346K | Sep 2001 – Oct 2019 |
| Chestnut, F.E. G.U. G-4-107614 | Smith Production Inc. only | Tabasco (Vicksburg 10,000) | Hidalgo | 1 | 8.59K | 386K | Jan 1993 – Jan 2000 |
| Roberts G-4-218407 | OXY USA Inc. only | Mission, West (Vicksburg 10400) | Hidalgo | 1 | 8.43K | 206K | Aug 2006 – Sep 2016 |
| Gillespie Unit G-4-117281 | Range Production Company only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 6.6K | 481K | Jan 1993 – Mar 2000 |
| Von Blucher G-4-119556 | Pennzoil Exploration & Prod. Co. only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 5.65K | 202K | Jan 1993 – May 1996 |
| Olivarez-Van Dresar Unit G-4-192224 | Proline Energy Resources Inc only | Heintz (Vicksburg 10400) | Starr | 1 | 5.46K | 229K | Oct 2002 – Aug 2023 |
| Appling 10 G-1-219485 | Lewis Petro Properties, Inc. only | Sun T S H (Olmos) | La Salle | 1 | 5.24K | 483K | Feb 2006 – Jan 2026 |
| Guerra, D.V. G-4-106058 | Charro Operating, L.L.C. only | Los Indios (Vicksburg 10000) | Hidalgo | 1 | 4.55K | 260K | Jan 1993 – Oct 2000 |
| Lopez, Hector G-4-95234 | Wynn-Crosby Energy, Inc. only | Lopez Ranch (Vksbg 10900) | Brooks | 1 | 4.23K | 116K | Jan 1993 – Nov 1998 |
| Appling 10 G-1-211320 | Lewis Petro Properties, Inc. only | Sun T S H (Olmos) | La Salle | 1 | 4.03K | 41K | Jul 2005 – Mar 2026 |
| Cage Ranch G-4-176981 | United Oil & Minerals L. P. only | Pita, NW (Vicksburg 10350) | Brooks | 1 | 4.01K | 317K | Mar 2000 – Dec 2001 |
| Simmonds & Perry G-4-110902 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 10,000) | Nueces | 1 | 3.34K | 67.6K | Jan 1993 – May 1999 |
| Appling 10 G-1-212536 | Lewis Petro Properties, Inc. only | Sun T S H (Olmos) | La Salle | 1 | 3.31K | 116K | Sep 2005 – Mar 2026 |
| Ware G-4-236736 | Dorado Drilling, Inc. only | Mission, West (Vicksburg 10400) | Hidalgo | 1 | 2.83K | 292K | Mar 2008 – Oct 2019 |
| Simmonds & Perry G-4-131308 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 2.59K | 13.4K | Jan 1993 – Jan 1996 |
| Lopez, Hector O-4-12811 | Cody Energy LLC only | Lopez Ranch (Vksbg 10900) | Brooks | 1 | 1.83K | 56K | Dec 1998 – May 2002 |
| Garcia Benavides GU # 1 G-4-172842 | Westport Oil and Gas Company, LP only | Flowella (Vicksburg 10100) | Brooks | 1 | 1.25K | 79.2K | Dec 1998 – Feb 2003 |
| Longoria, Octavio et al Gas Unit G-4-112202 | Shell Western E&P Inc. only | Lopez Ranch (Vksbg 10900 S) | Brooks | 1 | 1.09K | 42.6K | Jan 1993 – Jul 1993 |
| Scarborough G-4-128072 | Pennzoil Exploration & Prod. Co. only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 868 | 11.5K | Jan 1993 – Apr 1995 |
| Ware G-4-230200 | Smith Production Inc. only | Mission, West (Vicksburg 10400) | Hidalgo | 1 | 723 | 23.5K | Jun 2007 – Feb 2008 |
| Garcia-Rupp Gas Unit G-4-196766 | Westport Oil and Gas Company, LP only | Flowella (Vicksburg 10100) | Brooks | 1 | 405 | 19.4K | Aug 2003 – May 2004 |
| Keeling 108 G-9-144129 | Hilcorp Energy Company only | Eldorado (Canyon) | Schleicher | 1 | 324 | 267K | Jan 1993 – Sep 2023 |
| City of Big Spring 10-B O-10-30060 | Hartoil Corporation only | Moore | Howard | 1 | 221 | 9 | Feb 1993 – Oct 2001 |
| La Jolla G-4-282135 | Urban Oil & Gas Group, LLC only | Brayton, N. (Vicksburg 10,400) | Nueces | 1 | 194 | 34.6K | Nov 2016 – Mar 2026 |
| Simmonds & Perry G-4-109279 | Suemaur Expl. & Prod., LLC only | Brayton, N. (Vicksburg 10,000) | Nueces | 1 | 62 | 68 | Nov 1994 – Nov 1994 |
| Sullivan, D. J. State G-4-196122 | OXY USA Inc. only | Home Run (Vicksburg 10) | Brooks | 1 | 0 | 450K | Jul 2003 – Oct 2007 |