| Parker Dorothy S. #142-321-31703 | Shell Western E&P Inc. | Matagorda, TXWildcat | PluggedGas | 18,750 | Oct 11, 2008 | — | — |
| University -F- #2HZ42-003-05289 | Shell Western E&P Inc. | Andrews, TXAndrews South (Devonian) | PluggedOil | 11,200 | Apr 13, 2007 | — | — |
| Mitchell #103142-105-10956 | Shell Western E&P Inc. | Crockett, TXBrown-Bassett (Devonian) | PluggedGas | 15,304 | Mar 15, 2005 | — | — |
| Santa FE Ranch #1142-047-01335 | Shell Western E&P Inc. | Brooks, TXSanta FE East (Zone 3) | PluggedGas | 7,750 | Nov 24, 1998 | — | — |
| Santa FE Ranch #7242-047-30958 | Shell Western E&P Inc. | Brooks, TXSanta FE South (2) | PluggedGas | 15,300 | Nov 24, 1998 | — | — |
| Barbara Lips Gas Unit #142-047-31639 | Shell Western E&P Inc. | Brooks, TXLopez Ranch (Vksbg F1) | PluggedGas | 12,500 | Jul 28, 1998 | — | — |
| Neuhaus, E. A. #242-285-32572 | Shell Western E&P Inc. | Lavaca, TX | Not on schedule | 14,200 | Jan 26, 1998 | — | — |
| Santa FE Ranch #10342-047-31797 | Shell Western E&P Inc. | Brooks, TXSanta FE East (Zone 3) | PluggedGas | 15,700 | Jan 14, 1998 | — | — |
| McAllen A. A. a #3HHZ42-215-32283 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 10,000 | Oct 15, 1997 | — | — |
| La Blanca Gas Unit #4242-215-32451 | Shell Western E&P Inc. | Hidalgo, TX | Plugged | 13,600 | Jul 2, 1997 | — | — |
| Botard, A. W. #142-285-32453 | Shell Western E&P Inc. | Lavaca, TXSheridan (Wilcox -a- A) | Plugged | 14,800 | Feb 11, 1997 | — | — |
| Woods Christian #1542-215-01899 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg L) | PluggedGas | 11,100 | Jun 5, 1996 | — | — |
| Woods Christian #1842-215-30879 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 10,500 | Mar 14, 1996 | — | — |
| Wasson North Clearfork Unit #12342-501-34078 | Shell Western E&P Inc. | Yoakum, TXWasson, NE. (Clear Fork) | Not on schedule | 9,000 | Dec 7, 1995 | — | — |
| Moore, D.M. #142-131-38052 | Shell Western E&P Inc. | Duval, TX | Plugged | 14,500 | Sep 5, 1995 | — | — |
| Lopez Hector #642-047-30984 | Shell Western E&P Inc. | Brooks, TXLopez Ranch (Vksbg 11400) | PluggedGas | 13,000 | Aug 29, 1995 | — | — |
| Sealy Smith Foundation #6233P42-475-34259 | Shell Western E&P Inc. | Ward, TXMonahans (Queen Sand) | Plugged | 9,500 | Aug 10, 1995 | — | — |
| Lloyd, F. B. #942-131-38041 | Shell Western E&P Inc. | Duval, TXRosita, NW (Wilcox R-S-U Cons.) | Plugged | 13,700 | Jun 14, 1995 | — | — |
| Lloyd, F. B. #842-131-38031 | Shell Western E&P Inc. | Duval, TXRosita, NW (Wilcox R-S-U Cons.) | Plugged | 13,500 | May 4, 1995 | — | — |
| Tooke A. #2142-183-31174 | Shell Western E&P Inc. | Gregg, TXWhite Oak (Cotton Valley Sand) | Not on schedule | 11,200 | Feb 14, 1995 | — | — |
| Flanagan Unit #52W42-165-01571 | Shell Western E&P Inc. | Gaines, TXFlanagan (Clear Fork Upper) | PluggedOil | 7,273 | Jan 20, 1995 | — | — |
| Chapman J. O. #3042-355-06196 | Shell Western E&P Inc. | Nueces, TXMobil-David W. (Howell Hight) | PluggedGas | 12,787 | Jan 20, 1995 | — | — |
| McAllen A. A. #3142-215-30162 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg T SE.) | PluggedGas | 12,550 | Dec 13, 1994 | — | — |
| Slaton, G. H. #2742-183-31139 | Shell Western E&P Inc. | Gregg, TXWhite Oak (Cotton Valley Sand) | Not on schedule | 11,000 | Oct 13, 1994 | — | — |
| Ratliff & Bedford #4242-003-37547 | Shell Western E&P Inc. | Andrews, TX | Not on schedule | 11,500 | Sep 8, 1994 | — | — |
| McAllen A. A. a #242-215-31321 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 11,000 | Jul 14, 1994 | — | — |
| Christian Woods #3742-215-32166 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg S) | PluggedGas | 14,900 | May 10, 1994 | — | — |
| Flanagan Unit #15142-165-34715 | Shell Western E&P Inc. | Gaines, TX | Not on schedule | 7,350 | Mar 16, 1994 | — | — |
| Flanagan Unit #14142-165-34716 | Shell Western E&P Inc. | Gaines, TX | Not on schedule | 7,350 | Mar 10, 1994 | — | — |
| J.M. Schmidt Gas Unit #242-215-31624 | Shell Western E&P Inc. | Hidalgo, TXSchmidt (Frio Vicksburg) | PluggedGas | 17,500 | Sep 23, 1993 | — | — |
| Santa FE Ranch #80-F42-047-31209 | Shell Western E&P Inc. | Brooks, TXSanta FE (C-47) | PluggedGas | 7,500 | Apr 14, 1993 | — | — |
| McAllen A. A. #3842-215-30218 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg P Q) | PluggedGas | 11,016 | Dec 8, 1992 | — | — |
| Matagorda Bay Tract 104/105 Unit #142-057-31520 | Shell Western E&P Inc. | Calhoun, TX | Plugged | 11,000 | Dec 3, 1992 | — | — |
| C.G. Johnson Gas Unit No. 1 #542-215-32102 | Shell Western E&P Inc. | Hidalgo, TXWildcat | PluggedGas | 16,500 | Nov 10, 1992 | — | — |
| Vineyard, R.S. #142-321-31680 | Shell Western E&P Inc. | Matagorda, TX | Plugged | 17,500 | Nov 6, 1992 | — | — |
| Santa FE Ranch #87-D42-047-31231 | Shell Western E&P Inc. | Brooks, TXSanta FE (D-03) | PluggedGas | 7,200 | Oct 16, 1992 | — | — |
| Christian Woods #2342-215-31022 | Shell Western E&P Inc. | Hidalgo, TXLa Reforma (T) | PluggedGas | 13,000 | Sep 25, 1992 | — | — |
| Seismic Uphole #142-137-31095 | Shell Western E&P Inc. | Edwards, TX | Not on schedule | 1,800 | Jun 10, 1991 | — | — |
| Beaurline, A. W. #1642-215-32013 | Shell Western E&P Inc. | Hidalgo, TX | Plugged | 17,200 | Jan 25, 1991 | — | — |
| Boston Texas Land & Trust #1142-215-30780 | Shell Western E&P Inc. | Hidalgo, TXJavelina ( Vicksburg V-4) | PluggedGas | 14,000 | Sep 28, 1990 | — | — |
| Christian Woods #2942-215-31741 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 12,000 | Aug 21, 1990 | — | — |
| McAllen A. A. #8242-215-31906 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg R) | PluggedGas | 15,800 | Jan 2, 1990 | — | — |
| Johnson C. G. et al #242-215-31889 | Shell Western E&P Inc. | Hidalgo, TXWildcat | PluggedGas | 16,000 | Oct 2, 1989 | — | — |
| McAllen A.A. (SWD) #6142-215-30918 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg R-3) | PluggedGas | 12,950 | Apr 5, 1989 | — | — |
| McAllen A.A. #7942-215-31742 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg L) | PluggedGas | 12,500 | Dec 29, 1988 | — | — |
| McAllen A.A. #4542-215-30319 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg S S.) | PluggedGas | 12,500 | Sep 27, 1988 | — | — |
| Guerra E.E. Jr. #642-215-31600 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch(vicksburg-U-V- SE) | PluggedGas | 16,500 | Aug 29, 1988 | — | — |
| Central Ownby Unit #150542-501-33475 | Shell Western E&P Inc. | Yoakum, TX | Not on schedule | 8,300 | Aug 4, 1988 | — | — |
| Central Ownby Unit #150642-501-33476 | Shell Western E&P Inc. | Yoakum, TX | Not on schedule | 8,300 | Aug 4, 1988 | — | — |
| Central Ownby Unit #170542-501-33477 | Shell Western E&P Inc. | Yoakum, TX | Not on schedule | 8,300 | Aug 4, 1988 | — | — |