| Willamar West Unit #194WI42-489-30885 | Citation Oil & Gas Corp. only | Willacy, TXWillamar West | PluggedOil | 8,100 | Dec 22, 1998 | — | — |
| Kleberg R.j.jr. Tr. Stillman #94-F42-489-30951 | Exxon Mobil Corporation only | Willacy, TXWildcat | PluggedGas | 10,000 | Nov 2, 1998 | — | — |
| Neal #142-489-31009 | Osborn Heirs Companypermitted by · no operator of record | Willacy, TX | Plugged | 12,500 | Oct 30, 1998 | — | — |
| Geis H. #242-489-30688 | Wagner Oil Company only | Willacy, TXLa Sal Vieja (6 8774-9165) | Temporarily abandonedGas | 10,200 | Oct 9, 1998 | — | — |
| Sauz Ranch Mulatos Pasture #1042-489-00205 | Chestnut Explor. and Prod. Inc. only | Willacy, TXWillamar West | PluggedOil | 7,951 | Jul 3, 1998 | — | — |
| Willamar West Unit #163WI42-489-30807 | Citation Oil & Gas Corp. only | Willacy, TXWillamar West | PluggedOil | 8,100 | Jun 24, 1998 | — | — |
| Kleberg, R. J. Jr. Tr. Stillman #13442-489-31007 | Exxon Corp.permitted by · no operator of record | Willacy, TX | Not on schedule | 12,500 | May 20, 1998 | — | — |
| Tordilla Field Gas Unit #1 #4__42-489-31006 | Exxon Corp.permitted by · no operator of record | Willacy, TX | Plugged | 12,500 | Apr 23, 1998 | — | — |
| Kleberg R.J. Jr.tr. Stillman #11342-489-31004 | Exxon Mobil Corporation only | Willacy, TXTordilla (K-45) | PluggedGas | 11,400 | Mar 20, 1998 | — | — |
| Kleberg R.j.jr. Tr. Stillman #12142-489-31001 | Exxon Corp.permitted by · no operator of record | Willacy, TX | Plugged | 10,300 | Nov 25, 1997 | — | — |
| Armendaiz et al #342-489-30036 | Mueller Engineering Corp. only | Willacy, TXArroyo Colorado (B-4) | PluggedGas | 4,115 | Sep 15, 1997 | — | — |
| J.W. Wilson GU #1__42-489-31000 | Sanchez-O'Brien Oil & Gas Corp.permitted by · no operator of record | Willacy, TX | Plugged | 13,000 | Sep 15, 1997 | — | — |
| Garcia J.A. #1__42-489-30997 | Sanchez-O'Brien Oil & Gas Corp.permitted by · no operator of record | Willacy, TX | Plugged | 13,500 | Jul 17, 1997 | — | — |
| Sauz Ranch Mulatos Pasture #d 1R_42-489-30995 | Parker & Parsley Development L.Ppermitted by · no operator of record | Willacy, TX | Plugged | 18,000 | Jun 13, 1997 | — | — |
| Cavazos Nicolas #242-489-00428 | Citation Oil & Gas Corp. only | Willacy, TXWillamar (5150) | PluggedGas | 8,059 | May 23, 1997 | — | — |
| Sauz Ranch Mulatos Pasture #d 1__42-489-30994 | Parker & Parsley Development L.Ppermitted by · no operator of record | Willacy, TX | Plugged | 18,000 | May 21, 1997 | — | — |
| Yturria Cattle Company #342-489-00012 | Maynard Oil Co. only | Willacy, TXLa Sara (No. 8 Sand) | PluggedOil | 6,815 | Apr 30, 1997 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #11442-489-30993 | Exxon Mobil Corporation only | Willacy, TXTordilla-NC (M-10 D2) | PluggedGas | 13,200 | Apr 23, 1997 | — | — |
| Sauz Ranch Nopal #3R_42-489-30990 | Parker & Parsley Development L.Ppermitted by · no operator of record | Willacy, TXWillamar SE. (Frio 1 Section) | Plugged | 9,000 | Apr 2, 1997 | — | — |
| Kleberg R J Jr TR Stillman #11742-489-30988 | EOG Resources Inc. only | Willacy, TXTordilla (Deep Cons.) | PluggedGas | 13,500 | Feb 28, 1997 | — | — |
| Sauz Ranch Nopal #3__42-489-30987 | Parker & Parsley Development L.Ppermitted by · no operator of record | Willacy, TXWillamar SE. (Frio 1 Section) | Plugged | 9,000 | Feb 6, 1997 | — | — |
| Sauz Ranch Mulatos Pasture #1942-489-00330 | Chestnut Explor. and Prod. Inc. only | Willacy, TXWillamar West (Miocene 6350) | PluggedOil | 7,725 | Jan 28, 1997 | — | — |
| Thomas #1__42-489-30985 | Hunt Petroleum Corporationpermitted by · no operator of record | Willacy, TX | Plugged | 15,000 | Jan 21, 1997 | — | — |
| Sauz Ranch Mulatos Pasture #16642-489-30637 | Chestnut Explor. and Prod. Inc. only | Willacy, TXWillamar West (Miocene 5850) | PluggedOil | 6,800 | Dec 5, 1996 | — | — |
| Sauz Ranch Nopal #1__42-489-30982 | Parker & Parsley Development L.Ppermitted by · no operator of record | Willacy, TXWillamar SE. (Frio 1 Section) | Plugged | 8,900 | Nov 15, 1996 | — | — |
| Sauz Ranch Nopal #2__42-489-30983 | Parker & Parsley Development L.Ppermitted by · no operator of record | Willacy, TXWillamar SE. (Frio 1 Section) | Plugged | 8,900 | Nov 15, 1996 | — | — |
| Sauz Ranch Mulatos Pasture #17042-489-30652 | Shoco Production LLC only | Willacy, TXWillamar West(miocene 6250) | Temporarily abandonedGas | 6,800 | Nov 12, 1996 | — | — |
| Sauz Ranch Mulatos Pasture #17642-489-30747 | Shoco Production LLC only | Willacy, TXWillamar West | ActiveOil | 8,050 | Oct 31, 1996 | — | — |
| Kleberg R.j.jr.tr.stillman #70 F42-489-30741 | Exxon Corp. only | Willacy, TXTordilla (I-67 S) | PluggedGas | 10,350 | Sep 20, 1996 | — | — |
| Bell S. H. #742-489-30981 | Citation Oil & Gas Corp. only | Willacy, TXWillamar (Miocene 5200 East) | Shut inOil | 6,500 | Aug 27, 1996 | — | — |
| Bledsoe Unit #142-489-00039 | Corda Corporationpermitted by · no operator of record | Willacy, TXRaymondville | Not on schedule | 10,500 | Aug 12, 1996 | — | — |
| 7400 Gas Unit #142-489-00517 | Apache Corporation only | Willacy, TXLa Sal Vieja (7400) | PluggedGas | 7,700 | Aug 12, 1996 | — | — |
| Armendaiz B #242-489-30074 | Mueller Engineering Corp. only | Willacy, TXArroyo Colorado (B-7) | PluggedGas | 4,060 | Jul 2, 1996 | — | — |
| Willamar Community E #842-489-30979 | Citation Oil & Gas Corp. only | Willacy, TXWillamar (Miocene 5300 East) | Shut inOil | 6,512 | May 24, 1996 | — | — |
| Corbett Fryer Dobbin Unit #142-489-30980 | Wynn-Crosby Energy Inc. only | Willacy, TXLa Sal Vieja (9 9935-10000) | PluggedGas | 10,500 | May 24, 1996 | — | — |
| Morrow Unit #1__42-489-30978 | Corda Corporationpermitted by · no operator of record | Willacy, TXRaymondville | Plugged | 10,500 | Apr 30, 1996 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #11042-489-30976 | Exxon Corp. only | Willacy, TXTordilla (K-45) | PluggedGas | 13,200 | Apr 25, 1996 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #10942-489-30977 | Exxon Corp. only | Willacy, TXWildcat | PluggedGas | 12,530 | Apr 25, 1996 | — | — |
| Gas Unit a Zone 1 #242-489-30716 | Apache Corporation only | Willacy, TXLa Sal Vieja (1 7688-7827) | PluggedGas | 10,500 | Apr 3, 1996 | — | — |
| Yturria Cattle Company #1342-489-30849 | Texas Oil and Gas Operating LLC only | Willacy, TXLa Sara (No. 17 Sand) | Shut inOil | 5,359 | Mar 27, 1996 | — | — |
| Rudman Duke #1__42-489-30975 | Sanchez-O'Brien Oil & Gas Corp.permitted by · no operator of record | Willacy, TX | Plugged | 16,660 | Mar 1, 1996 | — | — |
| Willamar West Miocene Unit #3742-489-30763 | Citation Oil & Gas Corp. only | Willacy, TXWillamar West (Miocene 6300) | Temporarily abandonedGas | 8,050 | Feb 8, 1996 | — | — |
| Kleberg R.j.jr.tr.stillman #9642-489-30954 | Exxon Corp. only | Willacy, TXTordilla (I-95) | PluggedGas | 10,300 | Jan 31, 1996 | — | — |
| Yturria L&C Co.nct-2 #4642-489-30073 | Apollo Petro Fuels LLC only | Willacy, TXRaymondville (Consolidated) | PluggedOil | 6,177 | Jan 9, 1996 | — | — |
| Willamar West Unit #17042-489-30771 | Citation Oil & Gas Corp. only | Willacy, TXWillamar West | PluggedOil | 8,102 | Jan 2, 1996 | — | — |
| Todd Robert S. Trust #142-489-30973 | Slimhole Engineering Co. Inc. only | Willacy, TXLa Sara (No. 21 Sand) | PluggedOil | 5,600 | Dec 19, 1995 | — | — |
| Corbitt, C. M. #142-489-30974 | National Energy Group, Inc.permitted by · no operator of record | Willacy, TX | Plugged | 10,400 | Dec 19, 1995 | — | — |
| 7300 Gas Unit #142-489-30939 | Proline Energy Resources Inc only | Willacy, TXLa Sal Vieja (7300) | Temporarily abandonedGas | 10,131 | Dec 1, 1995 | — | — |
| Durivage #1__42-489-30969 | Anschutz Exploration Corporationpermitted by · no operator of record | Willacy, TX | Plugged | 8,500 | Jul 11, 1995 | — | — |
| Kleberg R.J. Jr TR Stillman #77 D42-489-30831 | Exxon Corp. only | Willacy, TXTordilla (I-95) | PluggedGas | 11,250 | Jun 30, 1995 | — | — |