| Johnson, F.I. G-4-211504 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 156K | 12.6M | May 2005 – Apr 2026 |
| Johnson, C. G. Gas Unit G-4-141357 | Merit Energy Company only | McCook, SE. (LWR Vicksburg Cons) | Hidalgo | 1 | 125K | 9.87M | by Jan 1993 – Apr 2026 |
| Johnson, F.I. G-4-209129 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 93.3K | 9.41M | Mar 2005 – Apr 2026 |
| Johnson, F.I. G-4-215490 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 73.1K | 11.7M | Oct 2005 – Apr 2026 |
| A. K. Jendrusch Gas Unit G-4-136264 | Merit Energy Company only | McCook, SE. (LWR Vicksburg Cons) | Hidalgo | 1 | 59.5K | 6.7M | by Jan 1993 – May 2017 |
| Johnson, C. G. Gas Unit G-4-144757 | Merit Energy Company only | McCook, SE. (LWR Vicksburg Cons) | Hidalgo | 1 | 57.1K | 7.06M | Mar 1993 – Apr 2026 |
| Johnson, F.I. G-4-211370 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 53.2K | 5.22M | Aug 2005 – Apr 2026 |
| A.K. Jendrusch Gas Unit G-4-143705 | Merit Energy Company only | McCook, SE. (LWR Vicksburg Cons) | Hidalgo | 1 | 52.9K | 2.9M | by Jan 1993 – Apr 2026 |
| Johnson, F.I. G-4-209190 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 51.5K | 5.85M | Dec 2004 – Apr 2026 |
| Cook-Clemons GU G-4-185342 | Merit Energy Company only | Monte Christo, N. (Vicksburg T) | Hidalgo | 1 | 39.6K | 5.38M | Jun 2001 – Mar 2021 |
| Johnson, C.G. G-4-129983 | Merit Energy Company only | McCook, SE. (LWR Vicksburg Cons) | Hidalgo | 1 | 35.6K | 3.7M | by Jan 1993 – Apr 2026 |
| Cook-Clemons GU G-4-187054 | El Paso E & P Company, L. P. only | Monte Christo, N. (Vicksburg T) | Hidalgo | 1 | 33.3K | 2.68M | Sep 2001 – Jan 2008 |
| Johnson, C. G. Gas Unit G-4-172967 | Merit Energy Company only | McCook, SE. (LWR Vicksburg Cons) | Hidalgo | 1 | 32.4K | 3.67M | Mar 1999 – Apr 2026 |
| Cook-Clemons GU G-4-188960 | Merit Energy Company only | Monte Christo, N. (Vicksburg Q) | Hidalgo | 1 | 27.1K | 4.29M | Nov 2001 – Apr 2026 |
| Johnson, F. I. 'A' G-4-197101 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 26.8K | 1.33M | Sep 2003 – Apr 2026 |
| Cook-Clemons Gas Unit G-4-195466 | Merit Energy Company only | Monte Christo, N. (Vicksburg T) | Hidalgo | 1 | 23.8K | 3.46M | Jun 2003 – Apr 2026 |
| Cook-Clemons GU G-4-183731 | Merit Energy Company only | Monte Christo, N. (Vicksburg T) | Hidalgo | 1 | 19.8K | 5.23M | Apr 2001 – Aug 2022 |
| Cook-Clemons GU G-4-181805 | Merit Energy Company only | Monte Christo, N(vicksburg T LO) | Hidalgo | 1 | 19.5K | 6.4M | Dec 2000 – Jun 2009 |
| Winding Brook Corporation G-4-182218 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 13.4K | 3.72M | Feb 2001 – Apr 2026 |
| Winding Brook Corporation G-4-202003 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 13.2K | 1.83M | Apr 2004 – Apr 2026 |
| Cook-Clemens GU G-4-184780 | El Paso E & P Company, L. P. only | Monte Christo, N. (Vicksburg T) | Hidalgo | 1 | 12.3K | 3.69M | Jul 2001 – May 2008 |
| Winding Brook Corporation G-4-186049 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 10.5K | 3.32M | Aug 2001 – Apr 2026 |
| Cook-Clemons GU G-4-191288 | Merit Energy Company only | Monte Christo, N. (Vicksburg Q) | Hidalgo | 1 | 9.54K | 1.8M | May 2002 – Jun 2016 |
| Winding Brook Corporation G-4-207564 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.97K | 2.71M | Oct 2004 – Apr 2026 |
| Johnson, C. G. G-4-238098 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.78K | 1.34M | Apr 2008 – Apr 2026 |
| Johnson, F.I. G-4-224688 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.46K | 1.75M | Jan 2007 – Dec 2025 |
| M.A. Hopkins Gas Unit G-4-143288 | Shell Western E&P Inc. only | McCook, E. (Vicksburg 11,300) | Hidalgo | 1 | 5.3K | 978K | by Jan 1993 – Oct 1994 |
| Johnson, F.I. G-4-226859 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.02K | 275K | Sep 2006 – Jul 2015 |
| Cook G-4-115440 | Shell Western E&P only | McAllen (Elkins 6300) | Hidalgo | 1 | 4.29K | 1.37M | by Jan 1993 – Nov 2006 |
| Winding Brook Corporation G-4-199672 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 3.61K | 3.14M | Jan 2004 – Apr 2026 |
| Johnson, Mary G-4-226820 | Cal-Tex Exploratn & Prod Co LLC only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 2.31K | 312K | Apr 2007 – May 2025 |
| Cook-Clemons GU G-4-178977 | Merit Energy Company only | Monte Christo, N. (Vicksburg T) | Hidalgo | 1 | 1.82K | 1.8M | May 2000 – Apr 2026 |
| Cook-Clemons Gas Unit G-4-257083 | Merit Energy Company only | Monte Christo (58,59 Cons.) | Hidalgo | 1 | 1.81K | 555K | Mar 2008 – Apr 2026 |
| Cook Clemons G.U. G-4-196244 | Merit Energy Company only | Monte Christo, N. (Vicksburg S) | Hidalgo | 1 | 1.62K | 284K | Jul 2003 – Mar 2008 |
| V. Cook et al Gas Unit 2-A G-4-124777 | Merit Energy Company only | Monte Christo (56-a, N) | Hidalgo | 1 | 1.28K | 1.03M | by Jan 1993 – Apr 2026 |
| Kotara Aldridge GU G-4-127818 | Magnum Producing, LP only | McCook, E. (Vicksburg LO-Y-2) | Hidalgo | 1 | 1.13K | 323K | by Jan 1993 – Sep 2004 |
| Cook-Clemons G U G-4-182719 | Cantera Operating, LLC only | Monte Christo, N(vicksburg T LO) | Hidalgo | 1 | 761 | 1.51M | Mar 2001 – Nov 2014 |
| V. Cook et al Gas Unit 2-A G-4-126236 | Merit Energy Company only | Monte Christo (56-a, N) | Hidalgo | 1 | 637 | 429K | by Jan 1993 – May 2006 |
| Cook, Vannie G-4-120624 | Samson Lone Star LP only | Monte Christo (56-a, N) | Hidalgo | 1 | 291 | 97.7K | by Jan 1993 – Mar 1995 |
| McCook State G-4-222333 | Chesapeake Operating, Inc. only | The Doxology (LWR Vicksburg Cons | Hidalgo | 1 | 170 | 225K | Jun 2006 – Jan 2010 |
| Cook-Clemons Gas Unit G-4-275856 | Merit Energy Company only | Monte Christo (58,59 Cons.) | Hidalgo | 1 | 166 | 25.7K | Dec 2014 – Apr 2026 |
| V. Cook et al Gas Unit A-1 G-4-221867 | Merit Energy Company only | Monte Christo (58,59 Cons.) | Hidalgo | 1 | 160 | 339K | Jul 2006 – Apr 2026 |
| Cook, V. et al G.U. 1-A G-4-135373 | El Paso E & P Company, L. P. only | Monte Christo (58,59 Cons.) | Hidalgo | 1 | 156 | 31.7K | by Jan 1993 – Apr 2006 |
| Boren Gas Unit G-4-222852 | Merit Energy Company only | McCook, S. (5330) | Hidalgo | 1 | 140 | 94.9K | Jul 2006 – Nov 2006 |
| Cook-Clemons Gas Unit G-4-241533 | Merit Energy Company only | Monte Christo (58,59 Cons.) | Hidalgo | 1 | 129 | 14.2K | Jun 2008 – Oct 2014 |
| Vannie Cook G-4-219270 | Merit Energy Company only | Monte Christo (56-a, N) | Hidalgo | 1 | 128 | 115K | Apr 2006 – Apr 2026 |
| Cook-Clemons Gas Unit G-4-232652 | Merit Energy Company only | Monte Christo (VX-Eckart-EE CNS) | Hidalgo | 1 | 92 | 171K | Sep 2007 – Feb 2008 |
| V. Cook et al Gas Unit 1-A G-4-117278 | EP Energy E&P Company, L.P. only | Monte Christo (58,59 Cons.) | Hidalgo | 1 | 84 | 87.7K | by Jan 1993 – Oct 2008 |
| Sherwood, M. G-4-174616 | Merit Energy Company only | McCook, S. (5330) | Hidalgo | 1 | 9 | 4.14K | Jul 1999 – Jul 1999 |
| Johnson, F. I. 'A' G-4-197206 | El Paso Production Oil & Gas Co. only | McCook, SE. (Vicksburg 15500) | Hidalgo | 1 | 0 | 0 | — |