| St. Charles Co. G-4-270893 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 176K | 11.4M | Jun 2013 – Aug 2026 |
| St. Charles Co. G-4-275311 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 169K | 4.17M | Jul 2014 – Feb 2025 |
| St. Charles Co. G-4-275441 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 92.7K | 5.24M | Oct 2014 – Aug 2016 |
| St. Charles Co. G-4-278180 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 90.1K | 2.32M | Aug 2015 – Nov 2017 |
| St. Charles Co. G-4-156513 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 74.7K | 3.64M | Oct 1995 – Aug 2026 |
| St. Charles Co. G-4-277603 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 68K | 6.04M | Jun 2015 – Apr 2025 |
| St. Charles Co. G-4-280545 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 35.7K | 1.58M | May 2016 – Apr 2025 |
| East, Mrs. S.K. "B" G-4-228083 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 32.5K | 3.73M | Apr 2007 – Aug 2026 |
| St Charles Co. G-4-116714 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 30.3K | 1.45M | by Jan 1993 – Sep 2025 |
| East, Mrs. S.K. "B" G-4-230533 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 29.3K | 4.27M | Aug 2007 – Feb 2018 |
| Dix Ranch C 899 G-4-186222 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 29.2K | 2.81M | Oct 2001 – Aug 2026 |
| Dix Ranch A-1765 G-4-157756 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 27.5K | 3.16M | Feb 1996 – Aug 2026 |
| East, Mrs. S.K. "B" G-4-229287 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 26.1K | 9.3M | Jun 2007 – Aug 2026 |
| St. Charles Co. G-4-298938 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 23.7K | 1.88M | Jul 2024 – Jul 2026 |
| East, Mrs. S.K. "B" G-4-220139 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 22.9K | 4M | May 2006 – Aug 2026 |
| East, Mrs. S.K. "B" G-4-235034 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 21K | 3.21M | Jan 2008 – Feb 2022 |
| Grisham G-3-216124 | Hilcorp Energy Company | Bouldin Lake (Lower Frio) | Matagorda | 1 | 19.5K | 484K | Nov 2005 – Apr 2015 |
| East, Mrs. S.K. "B" G-4-241725 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 18K | 2.98M | Jul 2008 – Apr 2022 |
| St. Charles Co. G-4-280990 | Hilcorp Energy Company | St. Charles (Frio Cons., Lower) | Aransas | 1 | 16.9K | 548K | Jul 2016 – May 2020 |
| Dix Ranch A G-4-142103 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 16.7K | 2.06M | by Jan 1993 – Aug 2026 |
| Wyse G-3-220325 | Hilcorp Energy Company | Bouldin Lake (Lower Frio) | Matagorda | 1 | 16K | 142K | May 2005 – Jul 2016 |
| East, Mrs. S.K. "B" G-4-223656 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 15.8K | 4.37M | Dec 2006 – Aug 2026 |
| East, Mrs. S.K. "B" G-4-218530 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 15.4K | 4.93M | Mar 2006 – Jul 2020 |
| Dix Ranch C G-4-142691 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 14.9K | 2.44M | by Jan 1993 – Jan 2011 |
| East, Mrs. S.K. "B" G-4-243247 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 14.8K | 1.24M | Sep 2008 – Aug 2026 |
| Dix Ranch C 100 G-4-175366 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 14.3K | 1.5M | Nov 1999 – Aug 2026 |
| Dix Ranch A-535 G-4-194221 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 14.2K | 1.09M | Mar 2003 – Aug 2026 |
| East, S. K. Mrs. "B" G-4-249347 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 13.9K | 1.64M | Apr 2009 – Aug 2015 |
| Dix Ranch A-1768 G-4-162538 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 12.5K | 809K | Jan 1997 – Aug 2026 |
| Dix Ranch D 899 G-4-188505 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 12K | 661K | Mar 2002 – Apr 2017 |
| East, Mrs. S.K. "B" G-4-237166 | Hilcorp Energy Company | Sarita, East (Lower Frio Cons.) | Kenedy | 1 | 11.8K | 995K | Feb 2008 – Aug 2026 |
| Slick State B G-4-253641 | Hilcorp Energy Company | Flores (Vicksburg, Lower) | Starr | 1 | 11.5K | 935K | Nov 2007 – Aug 2026 |
| Hill-A3 Gas Unit G-5-126858 | Hilcorp Energy Company | Michael Birch (Rodessa Lower) | Freestone | 1 | 11.3K | 1.23M | by Jan 1993 – Aug 2026 |
| Byler -a- 1-T O-9-3287 | Hilcorp Energy Company | Brooks (Canyon Lower) | Irion | 1 | 10.6K | 444K | by Jan 1993 – Aug 2026 |
| Samano East Gas Unit G-4-242186 | Hilcorp Energy Company | Flores (Vicksburg, Lower) | Starr | 1 | 10.2K | 416K | Aug 2008 – Jun 2026 |
| Dix Ranch C 101 G-4-189982 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 9.75K | 1.92M | May 2002 – Aug 2026 |
| Dix Ranch A-1768 G-4-199516 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 8.63K | 342K | Dec 2003 – Aug 2026 |
| Dix Ranch A G-4-142460 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 8.55K | 902K | by Jan 1993 – Oct 2008 |
| Dix Ranch D 99 G-4-173918 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 8.5K | 1.1M | Jul 1999 – Aug 2026 |
| Slick State B G-4-270468 | Hilcorp Energy Company | Flores (Vicksburg, Lower) | Starr | 1 | 7.72K | 2.83M | Jun 2013 – Aug 2026 |
| Dix Ranch D G-4-146292 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 7.6K | 2.08M | Aug 1993 – Aug 2026 |
| Dix Ranch D G-4-242325 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 7.24K | 1.57M | Mar 2008 – Aug 2026 |
| Dix Ranch a 1763 G-4-192420 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 7.11K | 586K | Nov 2002 – Aug 2026 |
| Dix Ranch D G-4-146478 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 6.57K | 1.64M | Sep 1993 – Apr 2005 |
| Dix Ranch A-1768 G-4-197651 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 5.11K | 601K | Aug 2003 – Aug 2026 |
| Dix Ranch A524 G-4-176922 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 3.95K | 266K | Mar 2000 – Aug 2026 |
| Wyse G-3-217351 | Hilcorp Energy Company | Bouldin Lake (Lower Frio) | Matagorda | 1 | 3.65K | 59.3K | May 2006 – Jul 2016 |
| Cuellar, J.V. G-4-157633 | Hilcorp Energy Company | La Rica (Wilcox, Lower) | Zapata | 1 | 3.51K | 677K | Mar 1996 – Jun 2014 |
| Dix Ranch A-1746 G-4-199518 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | Webb | 1 | 3.15K | 262K | Jan 2004 – Aug 2026 |
| Vela-Cuellar G-4-130243 | Hilcorp Energy Company | La Rica (Wilcox, Lower) | Zapata | 1 | 3.13K | 1.51M | by Jan 1993 – Aug 2026 |