| Coates "A" G-4-88450 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 216K | 8.04M | Jan 1993 – Jul 2012 |
| Coates "A" G-4-146670 | Cantera Operating, LLC only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 160K | 7.42M | Aug 1993 – Nov 2014 |
| Coates "A" G-4-166090 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 144K | 8.25M | Aug 1997 – Apr 2026 |
| Coates, George -A- G-4-60533 | Cantera Operating, LLC only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 114K | 5.85M | Jan 1993 – Mar 2010 |
| Coates "A" G-4-166713 | El Paso E & P Company, L. P. only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 104K | 5.05M | Sep 1997 – Dec 2006 |
| Coates "C" G-4-181584 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 102K | 11.4M | Dec 1999 – Feb 2021 |
| Coates "A" G-4-176918 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 64.3K | 4.6M | Mar 2000 – Mar 2017 |
| Coates "A" G-4-147398 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 63.5K | 3.97M | Oct 1993 – Apr 2026 |
| Coates "A" G-4-106659 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 59.2K | 3.03M | Jan 1993 – Apr 2026 |
| Coates "A" G-4-174816 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 58.1K | 3.45M | Sep 1999 – Apr 2026 |
| Coates "A" G-4-61993 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 55.7K | 2.52M | Jan 1993 – Dec 2015 |
| Coates "A" G-4-177758 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 45.4K | 3.69M | Apr 2000 – Apr 2026 |
| Coates "A" G-4-176938 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 42K | 5.39M | Apr 2000 – May 2024 |
| Coates "A" G-4-95708 | EP Energy E&P Company, L.P. only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 40.2K | 1.94M | Jan 1993 – Dec 2001 |
| Coates "A" G-4-176679 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 37.5K | 2.27M | Mar 2000 – Oct 2024 |
| Coates "A" G-4-92833 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 33.9K | 2.47M | Jan 1993 – Apr 2026 |
| Coates "A" G-4-174021 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 33.6K | 2.68M | Jun 1999 – Apr 2026 |
| Coates "A" G-4-174018 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 33.4K | 3.45M | May 1999 – Apr 2026 |
| Coates "A" G-4-174083 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 32.6K | 3.42M | Jul 1999 – May 2024 |
| Coates "A" G-4-195385 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 28.2K | 1.52M | Mar 2003 – Oct 2017 |
| Coates "A" G-4-91468 | Coastal Oil & Gas Corporation only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 27.4K | 1.66M | Jan 1993 – Jun 1998 |
| Coates "A" G-4-231898 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 27K | 2.18M | Nov 2007 – Apr 2026 |
| Salinas, M. G-4-232249 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 26.3K | 2.04M | Oct 2007 – Apr 2026 |
| Salinas, B. Gas Unit G-4-84465 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 26.3K | 707K | Jan 1993 – Dec 2019 |
| Coates "A" G-4-174062 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 23.7K | 1.69M | May 1999 – Apr 2026 |
| Coates "A" G-4-227020 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 20.3K | 2.24M | Apr 2007 – Apr 2026 |
| Coates "A" G-4-175392 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 20.2K | 2.1M | Nov 1999 – May 2024 |
| Coates "H" G-4-190287 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 20K | 1.51M | Jun 2002 – Apr 2026 |
| Coates "A" G-4-175728 | El Paso E & P Company, L. P. only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 19.5K | 1.45M | Dec 1999 – Aug 2008 |
| Salinas, M. G-4-234943 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 16.7K | 1.52M | Jan 2008 – Apr 2026 |
| Coates "A" G-4-241744 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 16.1K | 823K | Jun 2008 – Jul 2018 |
| Coates "A" G-4-175498 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 15.9K | 1.51M | Aug 1999 – Sep 2019 |
| Coates "B" G-4-168643 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 15.4K | 1.5M | Feb 1998 – May 2024 |
| Coates "C" G-4-181141 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 13.5K | 1.97M | Dec 2000 – Apr 2026 |
| Coates "BB" G-4-96185 | El Paso E & P Company, L. P. only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 13K | 1.12M | Jan 1993 – Dec 2006 |
| Coates "B" G-4-96184 | Coastal Oil & Gas Corporation only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 10.5K | 914K | Jan 1993 – Feb 1998 |
| Coates "A" G-4-240318 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 10K | 592K | May 2008 – Apr 2026 |
| Coates "B" G-4-177045 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 10K | 1.2M | Feb 2000 – Apr 2026 |
| Coates "A" G-4-176789 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 9.88K | 805K | Feb 2000 – Oct 2009 |
| Coates "H" G-4-162136 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 9.45K | 1.48M | Aug 1996 – Apr 2026 |
| Coates "A" G-4-195995 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 9.38K | 385K | Jun 2003 – Jun 2020 |
| Coates "B" G-4-176125 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 7.91K | 722K | Jan 2000 – Oct 2000 |
| Coates "A" G-4-236578 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 7.76K | 245K | Mar 2008 – Apr 2014 |
| Coates "C" G-4-101351 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 5.77K | 622K | Jan 1993 – Sep 2000 |
| Coates "A" G-4-232193 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 5.74K | 365K | Aug 2007 – Apr 2026 |
| Coates "A" G-4-239553 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 4.53K | 293K | Apr 2008 – Feb 2018 |
| Salinas, M. Gas Unit G-4-77660 | El Paso E & P Company, L. P. only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 4.31K | 157K | Jan 1993 – Jan 1998 |
| Coates-Dorchester "B" G-4-230917 | Cal-Tex Exploratn & Prod Co LLC only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 3.78K | 234K | Aug 2007 – Nov 2015 |
| Coates "B" G-4-95387 | El Paso E & P Company, L. P. only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 3.16K | 378K | Jan 1993 – Dec 2004 |
| Coates "H" G-4-163042 | Merit Energy Company only | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 2.72K | 1.57M | Feb 1997 – Apr 2026 |