| University -F- #2HZ42-003-05289 | Shell Western E&P Inc. | AndrewsAndrews South (Devonian) | PluggedOil | 11,200 | Apr 13, 2007 | 2 | — |
| Mitchell #103142-105-10956 | Shell Western E&P Inc. | CrockettBrown-Bassett (Devonian) | PluggedGas | 15,304 | Mar 15, 2005 | 3 | Mar 1996 |
| Santa FE Ranch #1142-047-01335 | Shell Western E&P Inc. | BrooksSanta FE East (Zone 3) | PluggedGas | 7,750 | Nov 24, 1998 | 2 | Jul 1998 |
| Santa FE Ranch #7242-047-30958 | Shell Western E&P Inc. | BrooksSanta FE South (2) | PluggedGas | 15,300 | Nov 24, 1998 | 7 | Sep 1998 |
| Barbara Lips Gas Unit #142-047-31639 | Shell Western E&P Inc. | BrooksLopez Ranch (Vksbg F1) | PluggedGas | 12,500 | Jul 28, 1998 | 2 | Nov 1995 |
| Santa FE Ranch #10342-047-31797 | Shell Western E&P Inc. | BrooksSanta FE East (Zone 3) | PluggedGas | 15,700 | Jan 14, 1998 | 2 | Feb 1999 |
| McAllen A. A. a #3HHZ42-215-32283 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 10,000 | Oct 15, 1997 | 2 | Jun 1996 |
| Woods Christian #1542-215-01899 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg L) | PluggedGas | 11,100 | Jun 5, 1996 | 2 | Apr 1997 |
| Woods Christian #1842-215-30879 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 10,500 | Mar 14, 1996 | 3 | Jan 1997 |
| Lopez Hector #642-047-30984 | Shell Western E&P Inc. | BrooksLopez Ranch (Vksbg 11400) | PluggedGas | 13,000 | Aug 29, 1995 | 3 | Dec 1995 |
| Flanagan Unit #52W42-165-01571 | Shell Western E&P Inc. | GainesFlanagan (Clear Fork Upper) | PluggedOil | 7,273 | Jan 20, 1995 | 1 | — |
| Chapman J. O. #3042-355-06196 | Shell Western E&P Inc. | NuecesMobil-David W. (Howell Hight) | PluggedGas | 12,787 | Jan 20, 1995 | 3 | — |
| McAllen A. A. #3142-215-30162 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg T SE.) | PluggedGas | 12,550 | Dec 13, 1994 | 3 | — |
| McAllen A. A. a #242-215-31321 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 11,000 | Jul 14, 1994 | 2 | Nov 1995 |
| Christian Woods #3742-215-32166 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg S) | PluggedGas | 14,900 | May 10, 1994 | 1 | Apr 1996 |
| J.M. Schmidt Gas Unit #242-215-31624 | Shell Western E&P Inc. | HidalgoSchmidt (Frio Vicksburg) | PluggedGas | 17,500 | Sep 23, 1993 | 2 | Jan 1997 |
| Santa FE Ranch #80-F42-047-31209 | Shell Western E&P Inc. | BrooksSanta FE (C-47) | PluggedGas | 7,500 | Apr 14, 1993 | 4 | — |
| McAllen A. A. #3842-215-30218 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg P Q) | PluggedGas | 11,016 | Dec 8, 1992 | 1 | Feb 1997 |
| C.G. Johnson Gas Unit No. 1 #542-215-32102 | Shell Western E&P Inc. | HidalgoWildcat | PluggedGas | 16,500 | Nov 10, 1992 | 1 | — |
| Santa FE Ranch #87-D42-047-31231 | Shell Western E&P Inc. | BrooksSanta FE (D-03) | PluggedGas | 7,200 | Oct 16, 1992 | 3 | Aug 1993 |
| Christian Woods #2342-215-31022 | Shell Western E&P Inc. | HidalgoLa Reforma (T) | PluggedGas | 13,000 | Sep 25, 1992 | 3 | Jun 1993 |
| Boston Texas Land & Trust #1142-215-30780 | Shell Western E&P Inc. | HidalgoJavelina ( Vicksburg V-4) | PluggedGas | 14,000 | Sep 28, 1990 | 3 | — |
| Christian Woods #2942-215-31741 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg K Cons) | PluggedGas | 12,000 | Aug 21, 1990 | 2 | Apr 1998 |
| McAllen A. A. #8242-215-31906 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg R) | PluggedGas | 15,800 | Jan 2, 1990 | 1 | Jan 1994 |
| Johnson C. G. et al #242-215-31889 | Shell Western E&P Inc. | HidalgoWildcat | PluggedGas | 16,000 | Oct 2, 1989 | 1 | — |
| McAllen A.A. (SWD) #6142-215-30918 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg R-3) | PluggedGas | 12,950 | Apr 5, 1989 | 5 | — |
| McAllen A.A. #7942-215-31742 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg L) | PluggedGas | 12,500 | Dec 29, 1988 | 2 | — |
| McAllen A.A. #4542-215-30319 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg S S.) | PluggedGas | 12,500 | Sep 27, 1988 | 1 | — |
| Guerra E.E. Jr. #642-215-31600 | Shell Western E&P Inc. | HidalgoMcAllen Ranch(vicksburg-U-V- SE) | PluggedGas | 16,500 | Aug 29, 1988 | 3 | — |
| McAllen A.A. B #542-215-30298 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg L R-1) | PluggedGas | 14,830 | Jul 15, 1988 | 1 | Nov 1997 |
| Sheridan Gas Unit #642-089-00539 | Shell Western E&P Inc. | ColoradoSheridan (Wilcox) | PluggedGas | 11,173 | Jul 11, 1988 | 1 | — |
| Judd Estate -State #542-427-31241 | Shell Western E&P Inc. | StarrLa Copita (Vicksburg U) | PluggedGas | 9,950 | May 11, 1988 | 3 | — |
| Garza A.M. State #742-427-01297 | Shell Western E&P Inc. | StarrRincon North (5900) | PluggedGas | 6,811 | May 3, 1988 | 2 | — |
| Mann-Lynch 22 Unit 2 #142-371-30010 | Shell Western E&P Inc. | PecosTippett (Leonard Lower) | PluggedOil | 5,800 | May 2, 1988 | 1 | Jun 1993 |
| Judd Estate-State #842-427-31364 | Shell Western E&P Inc. | StarrLa Copita (Vicksburg 7450) | PluggedGas | 10,500 | Apr 5, 1988 | 4 | — |
| McAllen A.A. #8142-215-31792 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg S) | PluggedGas | 14,500 | Dec 4, 1987 | 1 | — |
| McAllen A.A. #6842-215-31006 | Shell Western E&P Inc. | HidalgoMcAllen Ranch(vicksburg-U-V- SE) | PluggedGas | 14,281 | Aug 24, 1987 | 2 | — |
| McAllen A.A. #6042-215-30858 | Shell Western E&P Inc. | HidalgoMcAllen Ranch (Vicksburg R-1) | PluggedGas | 13,141 | Jun 23, 1987 | 2 | — |
| Wernecke - Weatherby G.U. #142-131-32502 | Shell Western E&P Inc. | DuvalRosita NW (Wilcox Cons.) | PluggedGas | 15,345 | Apr 14, 1987 | 2 | Dec 1996 |
| Martinez - State #242-427-31303 | Shell Western E&P Inc. | StarrRincon North (Vicksburg 8230) | PluggedGas | 9,500 | Aug 6, 1986 | 2 | — |
| Sheridan Gas Unit #442-089-00492 | Shell Western E&P Inc. | ColoradoSheridan (Wilcox) | PluggedGas | 10,836 | Jul 28, 1986 | 1 | — |
| Smith C. B. #342-499-00243 | Shell Western E&P Inc. | WoodQuitman (Woodbine) | PluggedOil | 4,392 | Jul 10, 1986 | 1 | — |
| Rainwater H. K. #6 L42-499-00153 | Shell Western E&P Inc. | WoodQuitman (Kirkland South) | PluggedGas | 8,385 | Mar 24, 1986 | 1 | — |
| Big Foot Olmos B Sand Unit #163A42-163-32504 | Shell Western E&P Inc. | FrioBig Foot | Drilled | 4,000 | Mar 12, 1986 | 2 | — |
| Big Foot Olmos B Sand Unit #163A I42-163-32503 | Shell Western E&P Inc. | FrioBig Foot | Drilled | 4,000 | Mar 10, 1986 | 1 | — |
| University -G- #242-003-05100 | Shell Western E&P Inc. | AndrewsAndrews South (Wolfcamp) | PluggedOil | 9,197 | Jan 29, 1986 | 1 | — |
| Longoria M.T. #342-505-31546 | Shell Western E&P Inc. | ZapataRandado Ranch (Queen City) | PluggedGas | 17,383 | Jan 14, 1986 | 2 | — |
| Chapman J. O. #37 F42-355-30032 | Shell Western E&P Inc. | NuecesChapman Ranch (L-23) | PluggedGas | 6,954 | Nov 8, 1985 | 2 | — |
| Sheridan Gas Unit #7542-089-30871 | Shell Western E&P Inc. | ColoradoSheridan (Wilcox) | PluggedGas | 14,500 | Oct 14, 1985 | 5 | — |
| Roche Lucy #142-163-01747 | Shell Western E&P Inc. | FrioBig Foot | PluggedOil | 3,556 | Oct 8, 1985 | 2 | Jun 2017 |