| Zachry E.B. #742-505-32179 | Mobil Producing TX. & N.M. Inc. | ZapataJ. C. Martin (Lobo) | PluggedGas | 10,700 | Jul 26, 1993 | 3 | May 1996 |
| Texas University Sec. 1 & 2 #4642-103-05655 | Mobil Producing TX. & N.M. Inc. | CraneDune (Wolfcamp) | PluggedOil | 8,345 | Jul 5, 1993 | 1 | Aug 2026 |
| Callaghan Ranch #1942-479-30811 | Mobil Producing TX. & N.M. Inc. | WebbFinley-Webb (5200) | PluggedGas | 6,650 | Jul 1, 1993 | 3 | Aug 1998 |
| Johnson F.I. #34-F42-215-31387 | Mobil Producing TX. & N.M. Inc. | HidalgoMonte Christo ( 43) | PluggedGas | 8,700 | Jun 7, 1993 | 6 | — |
| Johnson F. I. #1142-215-31250 | Mobil Producing TX. & N.M. Inc. | HidalgoMonte Christo ( 25) | PluggedGas | 7,200 | Jan 6, 1993 | 4 | Jun 1999 |
| Johnson F. I. #3742-215-31405 | Mobil Producing TX. & N.M. Inc. | HidalgoMonte Christo (46) | PluggedGas | 8,700 | Jan 6, 1993 | 3 | Nov 2002 |
| G.B.G.L. & C. Co. Ltd. #542-479-35553 | Mobil Producing TX. & N.M. Inc. | WebbBeccero Creek (Lobo 2) | PluggedGas | 8,650 | Aug 11, 1992 | 2 | — |
| Sun Fee No. 1 Gas Unit #142-245-31900 | Mobil Producing TX. & N.M. Inc. | JeffersonSour Lake E. (Kirby FB-A) | PluggedGas | 13,000 | Mar 12, 1992 | 3 | — |
| Kirby Lumber Corp. #142-199-31268 | Mobil Producing TX. & N.M. Inc. | HardinSour Lake E. (Yegua Upper) | PluggedGas | 11,285 | Dec 16, 1991 | 4 | — |
| Kirby Lumber Corp. #242-199-31288 | Mobil Producing TX. & N.M. Inc. | HardinSour Lake E. (Yegua Upper) | PluggedGas | 10,460 | Dec 4, 1991 | 2 | — |
| South Callaghan Ranch #5542-479-35341 | Mobil Producing TX. & N.M. Inc. | WebbWildcat | PluggedGas | 9,500 | Nov 6, 1991 | 2 | — |
| G.B.G.L. & C. Co. Ltd #242-479-35321 | Mobil Producing TX. & N.M. Inc. | WebbBeccero Creek (Lobo 2) | PluggedGas | 9,650 | Oct 16, 1991 | 1 | — |
| Hamman Unit a #3DF42-215-31492 | Mobil Producing TX. & N.M. Inc. | HidalgoMonte Christo (Frio Cons.) | PluggedGas | 9,200 | Jul 8, 1991 | 4 | Nov 2009 |
| Wick 40-Acre Oil Unit #1 L42-285-31678 | Mobil Producing TX. & N.M. Inc. | LavacaSweet Home (Midway) | PluggedOil | 14,500 | Jun 14, 1991 | 3 | — |
| Nona Mills Field Unit #181142-199-00402 | Mobil Producing TX. & N.M. Inc. | HardinNona Mills (-G-) | PluggedGas | 8,615 | Jun 6, 1991 | 2 | Mar 2020 |
| Rachal #8042-409-32165 | Mobil Producing TX. & N.M. Inc. | San PatricioWhite Point East (6150) | PluggedOil | 10,000 | Mar 19, 1991 | 5 | — |
| La Gloria Gas Unit #10442-249-31764 | Mobil Producing TX. & N.M. Inc. | Jim WellsLa Gloria (Los Olmos) | PluggedGas | 8,000 | Feb 11, 1991 | 4 | Dec 1998 |
| State-Harral #142-371-32498 | Mobil Producing TX. & N.M. Inc. | PecosHokit (Queen) | PluggedGas | 3,500 | Jan 31, 1991 | 2 | — |
| Athey Charles B. #a 3D42-371-10678 | Mobil Producing TX. & N.M. Inc. | PecosCoyanosa N. (Delaware) | PluggedOil | 5,460 | Jan 3, 1991 | 1 | Jun 1994 |
| Blucher C.F.H. #4242-249-03856 | Mobil Producing TX. & N.M. Inc. | Jim WellsT.-C.-B. (Upper Frio Cons.) | PluggedGas | 7,445 | Dec 7, 1990 | 2 | — |
| West Ranch -a- #40742-239-02754 | Mobil Producing TX. & N.M. Inc. | JacksonWest Ranch (Ward) | PluggedGas | 6,244 | Oct 31, 1990 | 3 | — |
| Texas Gulf No. 68111 #242-700-30069 | Mobil Producing TX. & N.M. Inc. | S Padre IS-LBHarena (A) | PluggedGas | 8,585 | Oct 31, 1990 | 4 | — |
| Traylor W. L. #542-239-30566 | Mobil Producing TX. & N.M. Inc. | JacksonWildcat | PluggedGas | 12,000 | Oct 10, 1990 | 2 | — |
| West Ranch a #42442-239-02771 | Mobil Producing TX. & N.M. Inc. | JacksonWest Ranch (Marginulina 5000) | PluggedGas | 6,192 | Sep 19, 1990 | 3 | Aug 2026 |
| Jones E. H. Sec. 376 #142-165-33092 | Mobil Producing TX. & N.M. Inc. | GainesBale (Wolfcamp) | PluggedOil | 12,200 | Sep 5, 1990 | 2 | — |
| Lea Katie W. a/C #2 #142-103-03624 | Mobil Producing TX. & N.M. Inc. | CraneSand Hills (McKnight) | PluggedOil | 3,157 | Aug 29, 1990 | 1 | — |
| Brooking M. T. #142-057-00307 | Mobil Producing TX. & N.M. Inc. | CalhounMaude B. Traylor North (25 SD) | PluggedGas | 12,005 | Aug 9, 1990 | 4 | — |
| West Ranch a #4042-239-02395 | Mobil Producing TX. & N.M. Inc. | JacksonWest Ranch (Marginulina 5000) | PluggedGas | 5,115 | Aug 9, 1990 | 1 | Aug 2026 |
| Traylor C. S. #142-239-30736 | Mobil Producing TX. & N.M. Inc. | JacksonMaude B. Traylor N. (21 Seg. B) | PluggedGas | 10,001 | Aug 9, 1990 | 3 | — |
| Tait R. E. et al #142-089-00183 | Mobil Producing TX. & N.M. Inc. | ColoradoTait (Wilcox 9 900) | PluggedGas | 10,939 | Jul 6, 1990 | 3 | — |
| Halls Bayou Ranch Tr. 2 #142-167-31183 | Mobil Producing TX. & N.M. Inc. | GalvestonWildcat | PluggedOil | 12,500 | Jun 28, 1990 | 1 | — |
| La Gloria Gas Unit #1742-249-03471 | Mobil Producing TX. & N.M. Inc. | Jim WellsLa Gloria (Los Olmos) | PluggedGas | 6,955 | May 24, 1990 | 4 | — |
| Pegasus Field Unit 3 #490342-461-03333 | Mobil Producing TX. & N.M. Inc. | UptonPegasus (Devonian) | PluggedGas | 13,195 | May 18, 1990 | 2 | — |
| La Gloria Gas Unit #9542-047-00070 | Mobil Producing TX. & N.M. Inc. | BrooksLa Gloria (Hornsby -A-) | PluggedGas | 9,598 | Apr 27, 1990 | 2 | — |
| Hamman John B #13-D42-215-31482 | Mobil Producing TX. & N.M. Inc. | HidalgoMonte Christo (Frio Cons.) | PluggedGas | 10,000 | Mar 26, 1990 | 5 | Oct 2003 |
| Bentsen a #1 D42-215-31709 | Mobil Producing TX. & N.M. Inc. | HidalgoMonte Christo (Frio F-2) | PluggedGas | 10,250 | Mar 20, 1990 | 7 | Oct 2002 |
| Hamman John B #1242-215-31507 | Mobil Producing TX. & N.M. Inc. | HidalgoMonte Christo North (F-14-B) | PluggedGas | 13,000 | Mar 7, 1990 | 3 | — |
| South Callaghan Ranch #2742-479-35008 | Mobil Producing TX. & N.M. Inc. | WebbWildcat | PluggedGas | 9,700 | Mar 5, 1990 | 2 | — |
| South Callaghan Ranch #2842-479-35003 | Mobil Producing TX. & N.M. Inc. | WebbWildcat | PluggedGas | 9,950 | Feb 26, 1990 | 1 | — |
| Edinburg Unit #1142-215-31924 | Mobil Producing TX. & N.M. Inc. | HidalgoWildcat | PluggedGas | 12,500 | Feb 22, 1990 | 2 | — |
| Texas Gulf 65213 (307) #1-L42-604-30010 | Mobil Producing TX. & N.M. Inc. | Brazos-SBBrazos Blk. 386-S (Rob 43 Stray) | PluggedGas | 10,040 | Jan 17, 1990 | 3 | — |
| State Tract No. 60 #142-167-31177 | Mobil Producing TX. & N.M. Inc. | GalvestonWildcat | PluggedOil | 24,000 | Jan 15, 1990 | 1 | — |
| West Ranch a #30642-239-02654 | Mobil Producing TX. & N.M. Inc. | JacksonWildcat | PluggedOil | 5,480 | Oct 18, 1989 | 2 | — |
| Nixon-Steinle a/C #2 #28A42-013-02377 | Mobil Producing TX. & N.M. Inc. | AtascosaJourdanton (Queen City) | PluggedOil | 941 | Oct 9, 1989 | 2 | — |
| Nash Hannah #242-201-32065 | Mobil Producing TX. & N.M. Inc. | HarrisUlrich (Yegua 1D) | PluggedGas | 15,000 | Oct 4, 1989 | 2 | — |
| Blucher C.F.H. #2442-249-03520 | Mobil Producing TX. & N.M. Inc. | Jim WellsTijerina-Canales-Blucher | PluggedGas | 7,455 | Sep 19, 1989 | 2 | — |
| Browning E. G. 537 #242-415-03789 | Mobil Producing TX. & N.M. Inc. | ScurryFluvanna (Strawn) | PluggedOil | 8,150 | Sep 7, 1989 | 1 | — |
| Stewart - Jones Unit No. 1 #142-249-03220 | Mobil Producing TX. & N.M. Inc. | Jim WellsT.-C.-B. ( Brooks Upper) | PluggedGas | 7,631 | Aug 31, 1989 | 4 | Mar 1995 |
| Stewart-Jones No. 2 #142-249-80053 | Mobil Producing TX. & N.M. Inc. | Jim WellsT.-C.-B. ( Brooks Upper) | PluggedGas | 7,274 | Aug 31, 1989 | 2 | Aug 1993 |
| La Gloria Gas Unit #15 U42-249-03411 | Mobil Producing TX. & N.M. Inc. | Jim WellsLa Gloria (Maun Stray) | PluggedGas | 7,209 | Aug 29, 1989 | 2 | — |