| Keystone Mills #4242-339-30662 | Exxon Mobil Corporation | Montgomery, TXConroe S. (Wilcox 15) | PluggedGas | 12,750 | Jun 10, 2008 | — | — |
| Keystone Mills #4842-339-31013 | Exxon Mobil Corporation | Montgomery, TXWildcat | PluggedGas | 16,500 | Jun 10, 2008 | — | — |
| King Ranch Alazan #47342-273-32506 | Exxon Mobil Corporation | Kleberg, TXAlazan (Frio Cons.) | PluggedGas | 12,600 | Apr 1, 2008 | — | — |
| King Ranch Madero #2742-273-32470 | Exxon Mobil Corporation | Kleberg, TXMadero W. (K-94) | PluggedGas | 13,300 | Nov 29, 2006 | — | — |
| Viboras Field Gas Unit No. 1 #Q135HZ42-047-32176 | Exxon Mobil Corporation | Brooks, TXViboras ( G-23 U.) | PluggedGas | 8,800 | Mar 22, 2005 | — | — |
| Kleberg R J Jr TR Stillman Past #13842-261-31360 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 10,000 | May 11, 2004 | — | — |
| Valley M. C. #142-249-32449 | Exxon Mobil Corporation | Jim Wells, TXLa Gloria (Los Olmos) | PluggedGas | 8,000 | Jan 14, 2004 | — | — |
| King Ranch Tijerina #J10542-273-01644 | Exxon Mobil Corporation | Kleberg, TXT.-C.-B. (Upper Frio Cons.) | PluggedGas | 6,900 | Nov 17, 2003 | — | — |
| King Ranch Chiltipin #10342-273-32405 | Exxon Mobil Corporation | Kleberg, TXWildcat | PluggedGas | 13,000 | Oct 29, 2003 | — | — |
| Madeley AA & da #113P42-339-31041 | Exxon Mobil Corporation | Montgomery, TXConroe (Cons. U) | PluggedGas | 2,800 | Feb 14, 2003 | — | — |
| Madeley AA & da #10742-339-31029 | Exxon Mobil Corporation | Montgomery, TXConroe (Cons. U) | PluggedGas | 2,200 | Jan 3, 2003 | — | — |
| Viboras Field Gas Unit #1 #v 2342-047-01274 | Exxon Mobil Corporation | Brooks, TXViboras (Frio Cons.) | PluggedGas | 8,800 | Nov 1, 2002 | — | — |
| South Texas Development Co. 1 #107P42-339-31023 | Exxon Mobil Corporation | Montgomery, TXWildcat | PluggedGas | 4,000 | Oct 29, 2002 | — | — |
| Kgfcu (I-a) #750242-473-00130 | Exxon Mobil Corporation | Waller, TXKaty (Combined) | PluggedGas | 6,600 | Sep 11, 2002 | — | — |
| Hitchland Gas Unit 6 #242-195-31566 | Exxon Mobil Corporation | Hansford, TXHitchland North (Morrow Up.) | PluggedGas | 7,500 | Apr 19, 2002 | — | — |
| Santa FE Ranch #11442-047-31991 | Exxon Mobil Corporation | Brooks, TXTom East (13 800) | PluggedGas | 16,500 | Apr 5, 2002 | — | — |
| King Ranch Borregos #15242-273-01339 | Exxon Mobil Corporation | Kleberg, TXZone 21-B Trend | PluggedGas | 6,845 | Aug 22, 2001 | — | — |
| Pembrook Ralph E #7HHZ42-461-34210 | Exxon Mobil Corporation | Upton, TXWildcat | PluggedGas | 12,500 | Jun 29, 2001 | — | — |
| King Ranch San Jose de la Parra #1342-261-30200 | Exxon Mobil Corporation | Kenedy, TXCalandria (H73) | PluggedGas | 8,810 | Mar 16, 2001 | — | — |
| East Mrs. S. K. #12042-261-30591 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 10,200 | Oct 26, 2000 | — | — |
| King Ranch San Jose de la Parra #17F42-261-30403 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 5,600 | Aug 17, 2000 | — | — |
| King Ranch Borregos #6542-273-00108 | Exxon Mobil Corporation | Kleberg, TXZone 21-B Trend | PluggedGas | 8,500 | Apr 6, 2000 | — | — |
| King Ranch Stratton P #P27942-273-32095 | Exxon Mobil Corporation | Kleberg, TXStratton (L-3X4) | PluggedOil | 9,500 | Apr 6, 2000 | — | — |
| McGill Bros. #367 D42-047-01605 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 6,400 | Mar 15, 1999 | — | — |
| Hfu M #512142-499-02534 | Exxon Mobil Corporation | Wood, TXHawkins (Charged Eocene Sds.) | PluggedGas | 1,700 | Dec 18, 1998 | — | — |
| Exxon-West Fee B A/C 1 #18242-201-32534 | Exxon Mobil Corporation | Harris, TXWildcat | PluggedOil | 600 | Jun 30, 1998 | — | — |
| East Alice K. Mrs. State #3 F42-427-30690 | Exxon Mobil Corporation | Starr, TXSan Roman (Jackson 7-K) | PluggedGas | 4,303 | May 13, 1998 | — | — |
| Exxon-West Fee B A/C 1 #18142-201-32530 | Exxon Mobil Corporation | Harris, TXWildcat | PluggedOil | 600 | Apr 16, 1998 | — | — |
| McGill Bros. #432DF42-427-30244 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 6,630 | Feb 9, 1998 | — | — |
| King Ranch Borregos #49842-273-30229 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 7,000 | Dec 2, 1997 | — | — |
| King Ranch Los Indios #100242-273-32256 | Exxon Mobil Corporation | Kleberg, TXWildcat | PluggedGas | 13,500 | Oct 8, 1997 | — | — |
| McGill Bros. #26842-427-00238 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 5,790 | Aug 8, 1997 | — | — |
| King Ranch San Jose de la Parra #4742-261-30781 | Exxon Mobil Corporation | Kenedy, TXCalandria (H-59) | PluggedGas | 8,200 | Jul 21, 1997 | — | — |
| King Ranch Borregos #m 55E42-273-32238 | Exxon Mobil Corporation | Kleberg, TXWildcat | PluggedGas | 12,500 | Oct 9, 1996 | — | — |
| Mariposa Field Gas Unit #c 18DF42-047-31458 | Exxon Mobil Corporation | Brooks, TXMariposa (C11-N6 Cons. Gas) | PluggedGas | 10,445 | Aug 13, 1996 | — | — |
| Olcott GU 3 #242-201-05798 | Exxon Mobil Corporation | Harris, TXOlcott (Miocene 4350) | PluggedGas | 6,042 | Nov 30, 1995 | — | — |
| Kelsey Unit #s 42 M42-047-30096 | Exxon Mobil Corporation | Brooks, TXKelsey Deep (Zone 20-J N) | PluggedOil | 5,561 | Sep 30, 1994 | — | — |
| King Ranch Madero #2242-273-31986 | Exxon Mobil Corporation | Kleberg, TXEl Infernillo (H-64) | PluggedOil | 10,800 | Sep 14, 1994 | — | — |
| Kleberg R.j.jr.tr.barrosa Past #16-F42-047-30683 | Exxon Mobil Corporation | Brooks, TXPita NW (F-60) | PluggedGas | 8,200 | Aug 15, 1994 | — | — |
| Lockwood & Sharp -a- #10342-157-31640 | Exxon Mobil Corporation | Fort Bend, TXThompson (Miocene 11 Seg 4) | PluggedOil | 4,500 | Aug 9, 1994 | — | — |
| Juarez Miguel #6DF42-427-31243 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 8,200 | Feb 17, 1994 | — | — |
| Mestina Oil & Gas Co. -E- #2242-047-31401 | Exxon Mobil Corporation | Brooks, TXKelsey Deep (Zone 19-H) | PluggedOil | 8,500 | Jul 28, 1993 | — | — |
| King Ranch West Borregos #r 942-273-31971 | Exxon Mobil Corporation | Kleberg, TXWildcat | PluggedOil | 7,820 | Jul 23, 1992 | — | — |
| King Ranch West Borregos #r 1542-273-31917 | Exxon Mobil Corporation | Kleberg, TXBorregos W. (F-78 S) | PluggedGas | 7,800 | Dec 27, 1991 | — | — |
| King Ranch Stratton #P24942-273-30556 | Exxon Mobil Corporation | Kleberg, TXStratton (Consolidated) | PluggedGas | 9,591 | Dec 18, 1991 | — | — |
| McGill Bros. #292 D42-047-01126 | Exxon Mobil Corporation | Brooks, TXKelsey Deep (Zone 19-a C) | PluggedOil | 6,600 | Aug 12, 1991 | — | — |
| Kelsey Unit #m 3 E42-047-00975 | Exxon Mobil Corporation | Brooks, TXKelsey Deep (Zone 20-a N) | PluggedOil | 6,205 | Jan 4, 1991 | — | — |
| King Ranch Morgan #p 1542-273-31587 | Exxon Mobil Corporation | Kleberg, TXStratton (Consolidated) | PluggedGas | 7,400 | Jun 8, 1990 | — | — |
| McGill Brothers #17142-047-01120 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 6,800 | Feb 21, 1990 | — | — |
| Kleberg R.j.jr.r Viboras Past St #542-047-31093 | Exxon Mobil Corporation | Brooks, TXViboras (Top Vxbg.-H-910) | PluggedGas | 10,400 | Nov 7, 1989 | — | — |