| Huddleston Pup #142-497-36603 | Threshold Development Company only | Wise, TXNewark East (Barnett Shale) | PluggedGas | 8,000 | Aug 6, 2008 | — | — |
| Quigley #342-237-32317 | Threshold Development Company only | Jack, TXJack County Regular | PluggedOil | 7,000 | Sep 5, 2006 | — | — |
| Rolling V Ranch "B" #242-497-35798 | Threshold Development Co. only | Wise, TX | Not on schedule | 4,450 | Mar 2, 2005 | — | — |
| Rolling V Ranch "B" #142-497-35799 | Threshold Development Co. only | Wise, TX | Not on schedule | 4,450 | Mar 2, 2005 | — | — |
| Rolling V Ranch "G" #142-497-35792 | Threshold Development Co. only | Wise, TX | Not on schedule | 4,500 | Feb 18, 2005 | — | — |
| Rolling V Ranch E #242-497-35793 | Threshold Development Company only | Wise, TXWise County Regular (Gas) | PluggedGas | 5,770 | Feb 18, 2005 | — | — |
| Rolling V Ranch a #142-497-35773 | Threshold Development Company only | Wise, TXWise County Regular (Gas) | PluggedGas | 4,452 | Jan 27, 2005 | — | — |
| Rolling V Ranch E #142-497-35774 | Threshold Development Company only | Wise, TXNewark East (Atoka 5) | PluggedGas | 5,770 | Jan 27, 2005 | — | — |
| TDC Section 8 State #00330-015-33695 | Threshold Development Company only | Eddy, NMMillman; Yates-Sr-QN-GB-SA, East | CanceledOil | 3,000 | Oct 29, 2004 | 0 | 0 |
| TDC Section 8 State #00530-015-33697 | Threshold Development Company only | Eddy, NMMillman; Yates-Sr-QN-GB-SA, East | CanceledOil | 3,000 | Oct 29, 2004 | 0 | 0 |
| TDC Section 8 State #00630-015-33698 | Threshold Development Company only | Eddy, NMMillman; Yates-Sr-QN-GB-SA, East | CanceledOil | 3,000 | Oct 29, 2004 | 0 | 0 |
| Alma 33 State #00130-025-36668 | Threshold Development Company only | Lea, NMAustin; Atoka, Northwest (Gas) | PluggedGas | 13,980 | Apr 8, 2004 | 0 | 0 |
| TDC Alma 33 State #00130-025-36615 | Threshold Development Company only | Lea, NM | CanceledGas | 14,000 | Mar 2, 2004 | 0 | 0 |
| TDC Horned Frog State #00130-015-33088 | Threshold Development Company only | Eddy, NM | CanceledGas | 7,700 | Nov 1, 2003 | 0 | 0 |
| Henderson, Monroe #242-237-38730 | Threshold Development Co. only | Jack, TX | Not on schedule | 5,200 | Sep 17, 2003 | — | — |
| Chino 31 Federal #00130-035-20032 | Threshold Development Company only | Otero, NM | CanceledGas | 7,241 | Nov 21, 2002 | 0 | 0 |
| Mescalero 28 Federal #00130-035-20033 | Threshold Development Company only | Otero, NMWildcat; Granite | PluggedGas | 4,624 | Nov 21, 2002 | 0 | 0 |
| Chiricahua R 21 Federal #00130-035-20034 | Threshold Development Company only | Otero, NMWildcat; Granite | PluggedGas | 6,016 | Nov 2, 2002 | 0 | 0 |
| Scott-Campbell a #242-009-41140 | Threshold Development Company only | Archer, TXArcher County Regular | PluggedOil | 5,300 | Jul 16, 2002 | — | — |
| Johnson Ranch 16 State #00130-025-35400 | Threshold Development Company only | Lea, NM | CanceledGas | 14,000 | Feb 9, 2001 | 0 | 0 |
| Crowley -a- #242-237-38537 | Threshold Development Company only | Jack, TXTDC Crowley (Caddo) | PluggedOil | 5,800 | Apr 19, 2000 | — | — |
| Johnson #142-237-38535 | Threshold Development Company only | Jack, TXTDC Crowley (Caddo) | PluggedOil | 5,250 | Apr 18, 2000 | — | — |
| State 2 M #00130-025-34807 | Threshold Development Company only | Lea, NMWC-025 G-06 S203511G; Bone Spring | PluggedGas | 13,370 | Dec 21, 1999 | 0 | 0 |
| Yates, I. G. #34D42-237-38375 | Threshold Development Co. only | Jack, TX | Not on schedule | 4,990 | May 4, 1998 | — | — |
| Yates, I. G. #35D42-237-38376 | Threshold Development Co. only | Jack, TX | Not on schedule | 4,990 | May 4, 1998 | — | — |
| Scott-Campbell #142-009-41137 | Threshold Development Company only | Archer, TXA & D (Mississippi) | PluggedOil | 5,300 | Sep 9, 1997 | — | — |
| West Key #a 142-009-41141 | Threshold Development Company only | Archer, TXC-L-W (Caddo) | PluggedOil | 5,300 | Aug 20, 1997 | — | — |
| Fancher #6D42-497-34186 | Threshold Development Co. only | Wise, TX | Not on schedule | 5,800 | Aug 6, 1997 | — | — |
| Jolly Unit #142-237-38297 | Threshold Development Company only | Jack, TXStealth (Caddo) | PluggedGas | 4,999 | Jul 17, 1997 | — | — |
| Conoco 9 a State #00130-015-23820 | Threshold Development Company only | Eddy, NMTurkey Track; Strawn Gas | PluggedGas | 11,660 | Jun 1, 1996 | 0 | 0 |
| Walters #1A42-447-35603 | Threshold Development Company only | Throckmorton, TXThrockmorton County Regular | PluggedOil | 4,800 | Feb 14, 1996 | — | — |
| Cap Yates #13D42-237-38179 | Threshold Development Co. only | Jack, TX | Not on schedule | 6,000 | Aug 28, 1995 | — | — |
| La Strain "a" #542-335-33677 | Threshold Development Co. only | Mitchell, TX | Not on schedule | 1,700 | Oct 17, 1994 | — | — |
| Stewart Anne C. #142-237-32539 | Threshold Development Company only | Jack, TXStewart (Congl.) | PluggedGas | 6,000 | Jul 17, 1992 | — | — |
| Pike Hall #142-151-32189 | Threshold Development Company only | Fisher, TXAdas South (Canyon Reef) | PluggedOil | 4,600 | Jul 1, 1992 | — | — |
| Bruton Preston #242-447-35214 | Threshold Development Company only | Throckmorton, TXBoggy Valley (Strawn) | PluggedOil | 3,999 | Sep 24, 1991 | — | — |
| Bruton Preston #142-447-35189 | Threshold Development Company only | Throckmorton, TXBoggy Valley (Strawn) | PluggedOil | 3,999 | Jun 7, 1991 | — | — |
| Williams T. D. #1A42-237-37757 | Threshold Development Company only | Jack, TXHarwell (Bryson) | PluggedOil | 3,500 | Aug 16, 1990 | — | — |
| Gowdy #142-237-33157 | Threshold Development Co. only | Jack, TX | Plugged | 5,384 | Jul 31, 1990 | — | — |
| Stewart Anne C. #3WD42-237-37606 | Threshold Development Company only | Jack, TXTriad (Strawn) | PluggedOil | 2,900 | Mar 21, 1989 | — | — |
| Stewart, Anne C. #1WD42-237-83822 | Threshold Development Co. only | Jack, TX | Not on schedule | 999 | Jan 23, 1989 | — | — |
| Young #142-447-34857 | Threshold Development Company only | Throckmorton, TXElbert S. (Miss.) | PluggedOil | 4,900 | Mar 23, 1988 | — | — |
| Fulgham #142-363-33865 | Threshold Development Company only | Palo Pinto, TXFlaming Arrow (Atoka C) | PluggedGas | 4,200 | Aug 6, 1987 | — | — |
| Munson Realty #1 D42-237-37313 | Threshold Development Company only | Jack, TXAllard Smith (Strawn) | PluggedOil | 999 | Mar 19, 1987 | — | — |
| Munson Realty #1 B42-237-37226 | Threshold Development Company only | Jack, TXAllard Smith (Strawn) | PluggedOil | 4,000 | Sep 11, 1986 | — | — |
| Stewart Anne C. #1A42-237-35596 | Threshold Development Company only | Jack, TXTriad (Strawn) | PluggedOil | 3,800 | Oct 26, 1983 | — | — |
| Ellis, Gordon #242-237-35036 | Threshold Development Co. only | Jack, TX | Not on schedule | 1,800 | Mar 14, 1983 | — | — |
| Seiber, E. H. #842-079-31639 | Threshold Development Co. only | Cochran, TX | Not on schedule | 5,200 | Dec 31, 1982 | — | — |
| Ellis, Gordon #142-237-34935 | Threshold Development Co. only | Jack, TX | Plugged | 1,800 | Dec 31, 1982 | — | — |
| Sanders, Virginia #142-501-32254 | Threshold Development Co. only | Yoakum, TX | Not on schedule | 12,100 | Jul 14, 1982 | — | — |