| Jeffress, J. D. G-4-176915 | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 21.2K | 446K | Feb 2000 – Feb 2001 | Merit Energy Company |
| Echols G-4-163760 | Cowboy (Vksbg 9500) | Starr | 1 | 29.2K | 1.08M | Jul 1997 – May 2000 | White Oak Operating Company LLC |
| E. Baker Gas Unit G-2-175924 | Mikeska (2ND Tom Lyne) | Live Oak | 1 | 3.79K | 1.39M | Nov 1999 – May 2000 | Proline Energy Resources Inc |
| Baker, E. G-2-173624 | Mikeska (2ND Tom Lyne) | Live Oak | 1 | 1.77K | 662K | Apr 1999 – May 2000 | off the schedule |
| Pagan G-2-179842 | Mikeska (2ND Tom Lyne) | Live Oak | 1 | 127 | 63.9K | Apr 2000 – May 2000 | off the schedule |
| Bonilla G-2-177149 | Mikeska (Massive Wilcox) | Live Oak | 1 | 28 | 438K | Jan 2000 – May 2000 | Proline Energy Resources Inc |
| Baker, E. G-2-175922 | Mikeska (Massive Wilcox) | Live Oak | 1 | 25 | 51.4K | Nov 1999 – May 2000 | Proline Energy Resources Inc |
| Coates "A" G-4-88450 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 87.8K | 3.1M | Oct 1995 – Dec 1999 | off the schedule |
| Van Scherpe, P. "B" G-4-166969 | Jeffress (Vicksburg V) | Hidalgo | 1 | 70.9K | 1.2M | Feb 1998 – Dec 1999 | Merit Energy Company |
| Coates "A" G-4-166713 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 70.6K | 2.73M | Sep 1997 – Dec 1999 | off the schedule |
| Coates "A" G-4-166090 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 57.1K | 3.18M | Jan 1998 – Dec 1999 | Merit Energy Company |
| Zamora State G-4-150396 | Flores (Vicksburg, Lower) | Starr | 1 | 48.5K | 1.68M | Jun 1994 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-53426 | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 34.6K | 1.44M | May 1997 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-153857 | Jeffress (Vicksburg T) | Hidalgo | 1 | 25.1K | 1.53M | Apr 1997 – Dec 1999 | Merit Energy Company |
| Coates "A" G-4-146670 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 25K | 1.26M | Jan 1998 – Dec 1999 | off the schedule |
| Coates "A" G-4-147398 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 20.1K | 1.02M | Oct 1995 – Dec 1999 | Merit Energy Company |
| Coates, George -A- G-4-60533 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 19.7K | 1.04M | Jan 1998 – Dec 1999 | off the schedule |
| Jeffress, J.D. G-4-153591 | Jeffress (Vicksburg U) | Hidalgo | 1 | 18.9K | 1.57M | Apr 1997 – Dec 1999 | Merit Energy Company |
| Coates "A" G-4-95708 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 18.8K | 934K | Oct 1995 – Dec 1999 | off the schedule |
| Jeffress, J. D. G-4-59734 | Jeffress (Vicksburg V) | Hidalgo | 1 | 16.9K | 1.2M | Apr 1997 – Dec 1999 | Merit Energy Company |
| Zamora-State G-4-123615 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 16.6K | 1.43M | by Jan 1993 – Dec 1999 | Merit Energy Company |
| Coates "A" G-4-61993 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 16.6K | 625K | Oct 1995 – Dec 1999 | Merit Energy Company |
| Brann, Regina G-4-170037 | Jeffress (Vicksburg T) | Hidalgo | 1 | 15.4K | 1.32M | Sep 1998 – Dec 1999 | Merit Energy Company |
| Van Scherpe,p.gas Unit "B" G-4-132343 | Jeffress (Vicksburg V) | Hidalgo | 1 | 13.7K | 507K | Jan 1998 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-172515 | Jeffress (Vicksburg U) | Hidalgo | 1 | 13.6K | 909K | Feb 1999 – Dec 1999 | Merit Energy Company |
| Jeffress, J.D. G-4-92367 | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 11.8K | 215K | Apr 1997 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-54930 | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 11.8K | 490K | Apr 1997 – Dec 1999 | Merit Energy Company |
| Jeffress, J.D. G-4-170797 | Jeffress (Vicksburg U) | Hidalgo | 1 | 10.7K | 1.63M | Oct 1998 – Dec 1999 | Merit Energy Company |
| Coates, George G-4-166581 | Jeffress (Vicksburg V) | Hidalgo | 1 | 10.6K | 514K | Jan 1998 – Dec 1999 | off the schedule |
| Garza Zamora Energy Trust G-4-125199 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 10.4K | 511K | by Jan 1993 – Dec 1999 | Merit Energy Company |
| Coates "A" G-4-106659 | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 9.54K | 367K | Oct 1995 – Dec 1999 | Merit Energy Company |
| Brann, Regina G-4-173925 | Jeffress (Vicksburg T) | Hidalgo | 1 | 8.56K | 589K | Jul 1999 – Dec 1999 | Merit Energy Company |
| Jeffress, J.D. G-4-65467 | Jeffress (Vicksburg U) | Hidalgo | 1 | 8.42K | 789K | Apr 1997 – Dec 1999 | Merit Energy Company |
| Van Scherpe "B" G-4-167794 | Jeffress (Vicksburg U) | Hidalgo | 1 | 7.59K | 225K | Mar 1998 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-165106 | Jeffress (Vicksburg V) | Hidalgo | 1 | 7.58K | 599K | Aug 1997 – Dec 1999 | Merit Energy Company |
| Van Scherpe "B" G-4-169020 | Jeffress (Vicksburg U) | Hidalgo | 1 | 7.16K | 120K | Jun 1998 – Dec 1999 | Merit Energy Company |
| Brann, Regina G-4-101979 | Jeffress (Vicksburg W) | Hidalgo | 1 | 7.13K | 1.12M | Oct 1995 – Dec 1999 | off the schedule |
| Zamora State G-4-120245 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 6.45K | 1.09M | by Jan 1993 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-114528 | Jeffress (Vicksburg U) | Hidalgo | 1 | 6.36K | 864K | Apr 1997 – Dec 1999 | Merit Energy Company |
| Guerra, F. B. G-4-168413 | Cowboy (Vksbg 9170) | Starr | 1 | 5.5K | 331K | May 1998 – Dec 1999 | off the schedule |
| Brann, Regina G-4-175353 | Jeffress (Vicksburg T) | Hidalgo | 1 | 4.79K | 393K | Nov 1999 – Dec 1999 | off the schedule |
| Jeffress, J. D. G-4-47651 | Jeffress (Vicksburg U) | Hidalgo | 1 | 4.75K | 268K | Apr 1997 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-89849 | Jeffress (Vicksburg V) | Hidalgo | 1 | 4.75K | 916K | Apr 1997 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-172809 | Jeffress (Vicksburg T) | Hidalgo | 1 | 4.4K | 309K | Apr 1999 – Dec 1999 | off the schedule |
| Van Scherpe, Peter G-4-122994 | Jeffress (Vicksburg S) | Hidalgo | 1 | 4.09K | 279K | Oct 1996 – Dec 1999 | off the schedule |
| Garza-Zamora Energy Trust G-4-127202 | Flores (Vicksburg, Lower) | Hidalgo | 1 | 3.96K | 569K | by Jan 1993 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-171570 | Jeffress (Vicksburg U) | Hidalgo | 1 | 3.54K | 394K | Nov 1998 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-113104 | Jeffress (Vicksburg U) | Hidalgo | 1 | 2.82K | 333K | Apr 1997 – Dec 1999 | off the schedule |
| Jeffress, J.D. G-4-58250 | Jeffress (Vicksburg W) | Hidalgo | 1 | 2.5K | 950K | Apr 1997 – Dec 1999 | Merit Energy Company |
| Jeffress, J. D. G-4-174051 | Jeffress (Vicksburg U) | Hidalgo | 1 | 2.42K | 206K | Aug 1999 – Dec 1999 | off the schedule |