| 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 | — | — |
| 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 | — | — |
| Santa FE Ranch #80-F42-047-31209 | Shell Western E&P Inc. | Brooks, TXSanta FE (C-47) | PluggedGas | 7,500 | Apr 14, 1993 | — | — |
| C.G. Johnson Gas Unit No. 1 #542-215-32102 | Shell Western E&P Inc. | Hidalgo, TXWildcat | PluggedGas | 16,500 | Nov 10, 1992 | — | — |
| Boston Texas Land & Trust #1142-215-30780 | Shell Western E&P Inc. | Hidalgo, TXJavelina ( Vicksburg V-4) | PluggedGas | 14,000 | Sep 28, 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 | — | — |
| Sheridan Gas Unit #642-089-00539 | Shell Western E&P Inc. | Colorado, TXSheridan (Wilcox) | PluggedGas | 11,173 | Jul 11, 1988 | — | — |
| Judd Estate -State #542-427-31241 | Shell Western E&P Inc. | Starr, TXLa Copita (Vicksburg U) | PluggedGas | 9,950 | May 11, 1988 | — | — |
| Garza A.M. State #742-427-01297 | Shell Western E&P Inc. | Starr, TXRincon North (5900) | PluggedGas | 6,811 | May 3, 1988 | — | — |
| Judd Estate-State #842-427-31364 | Shell Western E&P Inc. | Starr, TXLa Copita (Vicksburg 7450) | PluggedGas | 10,500 | Apr 5, 1988 | — | — |
| McAllen A.A. #8142-215-31792 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg S) | PluggedGas | 14,500 | Dec 4, 1987 | — | — |
| McAllen A.A. #6842-215-31006 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch(vicksburg-U-V- SE) | PluggedGas | 14,281 | Aug 24, 1987 | — | — |
| McAllen A.A. #6042-215-30858 | Shell Western E&P Inc. | Hidalgo, TXMcAllen Ranch (Vicksburg R-1) | PluggedGas | 13,141 | Jun 23, 1987 | — | — |
| Martinez - State #242-427-31303 | Shell Western E&P Inc. | Starr, TXRincon North (Vicksburg 8230) | PluggedGas | 9,500 | Aug 6, 1986 | — | — |
| Sheridan Gas Unit #442-089-00492 | Shell Western E&P Inc. | Colorado, TXSheridan (Wilcox) | PluggedGas | 10,836 | Jul 28, 1986 | — | — |
| Smith C. B. #342-499-00243 | Shell Western E&P Inc. | Wood, TXQuitman (Woodbine) | PluggedOil | 4,392 | Jul 10, 1986 | — | — |
| Rainwater H. K. #6 L42-499-00153 | Shell Western E&P Inc. | Wood, TXQuitman (Kirkland South) | PluggedGas | 8,385 | Mar 24, 1986 | — | — |
| Big Foot Olmos B Sand Unit #163A42-163-32504 | Shell Western E&P Inc.permit operator | Frio, TXBig Foot | Drilled | 4,000 | Mar 12, 1986 | — | — |
| Big Foot Olmos B Sand Unit #163A I42-163-32503 | Shell Western E&P Inc.permit operator | Frio, TXBig Foot | Drilled | 4,000 | Mar 10, 1986 | — | — |
| University -G- #242-003-05100 | Shell Western E&P Inc. | Andrews, TXAndrews South (Wolfcamp) | PluggedOil | 9,197 | Jan 29, 1986 | — | — |
| Longoria M.T. #342-505-31546 | Shell Western E&P Inc. | Zapata, TXRandado Ranch (Queen City) | PluggedGas | 17,383 | Jan 14, 1986 | — | — |
| Chapman J. O. #37 F42-355-30032 | Shell Western E&P Inc. | Nueces, TXChapman Ranch (L-23) | PluggedGas | 6,954 | Nov 8, 1985 | — | — |
| Sheridan Gas Unit #7542-089-30871 | Shell Western E&P Inc. | Colorado, TXSheridan (Wilcox) | PluggedGas | 14,500 | Oct 14, 1985 | — | — |
| McGee A. #1 U42-499-00799 | Shell Western E&P Inc. | Wood, TXQuitman-Cathey (Gloyd) | PluggedGas | 8,496 | Sep 10, 1985 | — | — |
| Cowden -37- #342-105-35033 | Shell Western E&P Inc. | Crockett, TXTippett (Clear Fork Lo.) | PluggedGas | 4,700 | May 6, 1985 | — | — |
| Nueces Minerals Co. "a" #142-283-31147 | Shell Western E&P Inc.permit operator | La Salle, TX | Drilled | 11,000 | Mar 25, 1985 | — | — |
| Sheridan Gas Unit #8042-089-31001 | Shell Western E&P Inc. | Colorado, TXFrank (Wilcox O ) | PluggedGas | 10,696 | Aug 2, 1984 | — | — |
| Hinojosa G. G. #142-505-31046 | Shell Western E&P Inc. | Zapata, TXFandango | PluggedGas | 16,000 | Jul 2, 1984 | — | — |
| Barrera F.-State #242-427-30566 | Shell Western E&P Inc. | Starr, TXLa Copita (Vicksburg 7450) | PluggedGas | 10,500 | Apr 2, 1984 | — | — |
| University -9- D #242-003-05273 | Shell Western E&P Inc. | Andrews, TXAndrews South (Wichita) | PluggedOil | 10,533 | Mar 22, 1984 | — | — |
| Thomas -F- #542-135-07029 | Shell Western E&P Inc. | Ector, TXTXL (San Andres) | Not on scheduleOil | 5,950 | Mar 22, 1984 | — | — |
| Beaurline A. W. #942-215-31424 | Shell Western E&P Inc. | Hidalgo, TXLos Indios SW. (Frio 6000) | PluggedGas | 9,100 | Dec 22, 1983 | — | — |
| Lloyd F.B. #242-131-32546 | Shell Western E&P Inc. | Duval, TXRosita N.W. (Wilcox R) | PluggedGas | 14,500 | Dec 20, 1983 | — | — |
| Welders J. F. Heirs #442-131-36369 | Shell Western E&P Inc. | Duval, TXBold Forbes (Carrizo P) | PluggedGas | 11,000 | Dec 2, 1983 | — | — |
| Ashford Gas Unit #242-037-00174 | Shell Western E&P Inc. | Bowie, TXCarbondale N. (Smackover) | PluggedGas | 9,800 | Oct 14, 1983 | — | — |
| Hamman Ranch #9D42-215-30910 | Shell Western E&P Inc. | Hidalgo, TXMonte Christo ( 43) | PluggedGas | 6,600 | Jul 8, 1983 | — | — |
| Neuhaus E.T. #1442-285-31633 | Shell Western E&P Inc. | Lavaca, TXProvident City (Wilcox W-0) | PluggedGas | 18,500 | Mar 31, 1983 | — | — |
| University -O- #142-003-06619 | Shell Western E&P Inc. | Andrews, TXAndrews South (Wolfcamp) | PluggedOil | 9,105 | Dec 31, 1982 | — | — |
| University -N- #142-003-06620 | Shell Western E&P Inc. | Andrews, TXAndrews South (Wolfcamp) | PluggedOil | 9,206 | Dec 31, 1982 | — | — |
| Provident City Gas Unit #742-285-00090 | Shell Western E&P Inc. | Lavaca, TXProvident City (Wilcox 8 600) | PluggedGas | 8,775 | Dec 8, 1982 | — | — |
| Neuhaus #1042-285-30396 | Shell Western E&P Inc. | Lavaca, TXProvident City W. (Frio 3300) | PluggedGas | 6,212 | Sep 13, 1982 | — | — |
| De Garza Paula Estate #142-505-31566 | Shell Western E&P Inc. | Zapata, TXFandango (Wilcox 15500) | PluggedGas | 16,500 | Aug 19, 1982 | — | — |
| Muzza G. P. #342-505-31554 | Shell Western E&P Inc. | Zapata, TXFandango (Wilcox Upper T6) | PluggedGas | 20,000 | Jul 21, 1982 | — | — |