| Spires Inj. #90242-151-01641 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | Not on scheduleOil | 3,800 | Mar 18, 2008 | — | — |
| Spires Inj. #160142-151-01636 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | Not on scheduleOil | 3,990 | Feb 9, 2008 | — | — |
| Robertson John D. -C- #1742-451-00864 | Costilla Energy Inc. | Tom Green, TXSusan Peak (Strawn Upper Gas) | PluggedGas | 5,000 | Nov 23, 1998 | — | — |
| Wilson Ranch 49 #142-371-36808 | Costilla Energy Inc. | Pecos, TXOso Negro (Devonian) | PluggedOil | 7,300 | Jan 23, 1998 | — | — |
| Wilson Ranch 52 a #3HZ42-371-36782 | Costilla Energy Inc. | Pecos, TXOso Negro (Devonian) | PluggedGas | 7,500 | Nov 12, 1997 | — | — |
| Christian 47 #1HZ42-227-34905 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,500 | Jul 2, 1997 | — | — |
| Kimble 28 #142-227-35033 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,000 | Jun 18, 1997 | — | — |
| Hamlin 18 #142-227-34950 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,000 | May 29, 1997 | — | — |
| Wilson Ranch 52 a #142-371-36707 | Costilla Energy Inc. | Pecos, TXOso Negro (Devonian) | PluggedGas | 9,000 | Apr 18, 1997 | — | — |
| Dillard O #460142-227-35163 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,000 | Mar 13, 1997 | — | — |
| Hamlin-L- #170142-227-35132 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,000 | Jan 15, 1997 | — | — |
| Fryar 47 #142-227-35109 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,000 | Dec 23, 1996 | — | — |
| EB 37 #142-227-35066 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,000 | Aug 22, 1996 | — | — |
| Fox D #142-025-32286 | Costilla Energy Inc. | Bee, TXBlanconia (2810) | PluggedGas | 5,600 | May 23, 1996 | — | — |
| Ziffle Arnold #242-227-34996 | Costilla Energy Inc. | Howard, TXTalbot (Canyon) | PluggedOil | 9,000 | Feb 6, 1996 | — | — |
| Wolters #142-249-32156 | Costilla Energy Inc. | Jim Wells, TXQuinto Creek (Kohler) | PluggedGas | 8,500 | Feb 7, 1995 | — | — |
| Rogers Evelyn #142-481-33253 | Costilla Energy Inc. | Wharton, TXPin Oak Creek (Miocene 3025) | PluggedGas | 5,050 | Jan 18, 1994 | — | — |
| Books 20 #142-173-32352 | Costilla Energy Inc. | Glasscock, TXPatterson Lake (Wolfcamp) | PluggedOil | 8,700 | Sep 7, 1993 | — | — |
| Rogers Evelyn #242-481-33329 | Costilla Energy Inc. | Wharton, TXPin Oak Creek (Miocene 2500) | PluggedGas | 5,000 | Nov 28, 1989 | — | — |
| Connell Estate #142-169-32789 | Costilla Energy Inc. | Garza, TXGreg-John (Strawn) | PluggedOil | 8,200 | Jul 28, 1988 | — | — |
| Scott & Hopper #3242-047-30853 | Costilla Energy Inc. | Brooks, TXScott & Hopper | PluggedOil | 7,600 | Apr 27, 1988 | — | — |
| Slash -P- #142-301-30761 | Costilla Energy Inc. | Loving, TXDimmitt (Cherry Canyon) | PluggedOil | 6,600 | Jul 28, 1987 | — | — |
| Brooks -17- #242-235-32762 | Costilla Energy Inc. | Irion, TXBrooks (Canyon K) | PluggedOil | 7,100 | Mar 27, 1986 | — | — |
| Hoelscher #1 C42-173-31940 | Costilla Energy Inc. | Glasscock, TXSaint Lawrence (Strawn) | PluggedOil | 11,050 | Feb 25, 1986 | — | — |
| Sullivan D. J. B #3442-047-30142 | Costilla Energy Inc. | Brooks, TXPita (C-6 E) | PluggedOil | 8,340 | Jan 4, 1985 | — | — |
| Brooks -3- #242-235-32371 | Costilla Energy Inc. | Irion, TXBrooks (Canyon K) | PluggedOil | 7,000 | Jul 20, 1984 | — | — |
| Heyne E #142-481-32680 | Costilla Energy Inc. | Wharton, TXBonus (Yegua 7500) | PluggedGas | 7,700 | Jun 25, 1984 | — | — |
| Sullivan D. J. -B- #1742-047-00313 | Costilla Energy Inc. | Brooks, TXPita (D-5 B-C) | PluggedOil | 9,131 | Jun 13, 1984 | — | — |
| Brooks -3- #142-235-32248 | Costilla Energy Inc. | Irion, TXBrooks (Canyon K) | PluggedOil | 7,000 | Jan 24, 1984 | — | — |
| Martin #142-445-31168 | Costilla Energy Inc. | Terry, TXTokio E. (Lower Leonard) | PluggedOil | 13,500 | Nov 22, 1983 | — | — |
| Reynolds #242-481-31267 | Costilla Energy Inc. | Wharton, TXBonus (Yegua 7300) | PluggedGas | 7,950 | Aug 16, 1983 | — | — |
| Mitchell E #142-285-00393 | Costilla Energy Inc. | Lavaca, TXSpeaks S.W. (3600) | PluggedGas | 9,500 | Oct 8, 1981 | — | — |
| Kennedy #142-289-30458 | Costilla Energy Inc. | Leon, TXSupron (Pettit) | PluggedGas | 11,500 | Jul 27, 1981 | — | — |
| Stewart B #442-261-30624 | Costilla Energy Inc. | Kenedy, TXSanta Rosa (10 700) | PluggedGas | 11,800 | Feb 3, 1981 | — | — |
| Stewart -B- #342-261-30595 | Costilla Energy Inc. | Kenedy, TXSanta Rosa (10 700) | PluggedGas | 11,550 | Jul 15, 1980 | — | — |
| Hintz Gas Unit -a- #142-015-00268 | Costilla Energy Inc. | Austin, TXSealy (Wilcox 8700) | PluggedGas | — | — | — | — |
| Scott & Hopper #142-047-00691 | Costilla Energy Inc. | Brooks, TXScott & Hopper | PluggedOil | — | — | — | — |
| Sullivan D.J. -B- #3642-047-30172 | Costilla Energy Inc. | Brooks, TXPita (A-8) | PluggedOil | — | — | — | — |
| Scott & Hopper #1842-047-30200 | Costilla Energy Inc. | Brooks, TXScott & Hopper | Not on scheduleOil | — | — | — | — |
| Grayburg Gas Unit Viii #142-135-20755 | Costilla Energy Inc. | Ector, TXGoldsmith East (Grayburg) | PluggedGas | — | — | — | — |
| Grayburg Gas Unit VI #242-135-80061 | Costilla Energy Inc. | Ector, TXGoldsmith East (Grayburg) | PluggedGas | — | — | — | — |
| Spires Inj. #90942-151-01064 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | Not on scheduleOil | — | — | — | — |
| Spires Inj. #151642-151-01508 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | PluggedOil | — | — | — | — |
| Spires Inj. #152042-151-01509 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | PluggedOil | — | — | — | — |
| Spires Inj. #90142-151-01637 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | PluggedOil | — | — | — | — |
| Spires Inj. #160242-151-01640 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | Not on scheduleOil | — | — | — | — |
| Spires Inj. #90342-151-01644 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | Not on scheduleOil | — | — | — | — |
| Spires Inj. #90442-151-01647 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | PluggedOil | — | — | — | — |
| Spires Inj. #50142-151-01675 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | Not on scheduleOil | — | — | — | — |
| Spires Inj. #40142-151-01676 | Costilla Energy Inc. | Fisher, TXRough Draw (Noodle Creek) | Not on scheduleOil | — | — | — | — |