| Kleberg R.J. Jr. Tr. Stillman #9842-489-30962 | Exxon Mobil Corporation | Willacy, TXWildcat | PluggedGas | 11,100 | May 22, 2001 | — | — |
| McGill Bros. #56142-427-33357 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 8,000 | May 16, 2001 | — | — |
| Juarez Miguel #10DF42-427-33358 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 8,000 | May 15, 2001 | — | — |
| King Ranch Borregos #609-F42-273-31896 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 7,470 | May 9, 2001 | — | — |
| King Ranch Borregos #m 58E42-273-32325 | Exxon Mobil Corporation | Kleberg, TXKrb\zuni-NC (Vxbg) | PluggedGas | 12,700 | May 9, 2001 | — | — |
| King Ranch East Laureles #b 23 F42-355-32350 | Exxon Mobil Corporation | Nueces, TXLaguna Larga (M-1) | PluggedGas | 9,380 | May 8, 2001 | — | — |
| King Ranch East Laureles #g 41DF42-355-31321 | Exxon Mobil Corporation | Nueces, TXLaguna Larga (B-1 IV) | PluggedGas | 9,400 | Apr 10, 2001 | — | — |
| Kgfcu #5303 D42-473-30003 | Exxon Mobil Corporation | Waller, TXKaty (3600) | PluggedGas | 7,496 | Apr 4, 2001 | — | — |
| East S. K. Mrs #150D42-261-30816 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 10,800 | Mar 19, 2001 | — | — |
| King Ranch San Jose de la Parra #1342-261-30200 | Exxon Mobil Corporation | Kenedy, TXCalandria (H73) | PluggedGas | 8,810 | Mar 16, 2001 | — | — |
| King Ranch San Jose de la Parra #19F42-261-30439 | Exxon Mobil Corporation | Kenedy, TXCalandria (F-06 W) | PluggedGas | 9,000 | Mar 16, 2001 | — | — |
| Kleberg R. J. Fr. Tr. Stillman #12042-489-30989 | Exxon Mobil Corporation | Willacy, TXTordilla SW. (I-26) | PluggedGas | 10,300 | Mar 16, 2001 | — | — |
| King Ranch Borregos #m 4E42-273-01812 | Exxon Mobil Corporation | Kleberg, TXKrb\zuni-NC (Vxbg) | PluggedGas | 12,820 | Jan 22, 2001 | — | — |
| Wilson Dude GU -7- #342-357-31373 | Exxon Mobil Corporation | Ochiltree, TXDude Wilson (Morrow UP -a- East) | PluggedGas | 8,200 | Nov 27, 2000 | — | — |
| King Ranch Tijerina #1143J42-273-32310 | Exxon Mobil Corporation | Kleberg, TXT-C-B (Vxbg Consolidated) | PluggedGas | 10,500 | Nov 20, 2000 | — | — |
| Kenedy John G. Jr. C #30F42-261-30923 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 10,600 | Oct 27, 2000 | — | — |
| East Mrs. S. K. #12042-261-30591 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 10,200 | Oct 26, 2000 | — | — |
| Kenedy John G. Jr. C #3142-261-30922 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 10,600 | Oct 26, 2000 | — | — |
| King Ranch Borregos #626 D42-273-31924 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 8,550 | Oct 19, 2000 | — | — |
| King Ranch Visnaga #3042-273-31902 | Exxon Mobil Corporation | Kleberg, TXEl Infernillo (I-04) | PluggedGas | 10,200 | Oct 16, 2000 | — | — |
| Sarita Field Oil & Gas Unit #187D42-261-30926 | Exxon Mobil Corporation | Kenedy, TXSarita ( 5-G) | PluggedGas | 8,600 | Oct 6, 2000 | — | — |
| Jacks Creek OU3 #142-457-30448 | Exxon Mobil Corporation | Tyler, TXJacks Creek (Wilcox D) | PluggedOil | 8,300 | Oct 5, 2000 | — | — |
| King Ranch Borregos #63942-273-32214 | Exxon Mobil Corporation | Kleberg, TXBorregos (Vicksburg) | PluggedGas | 9,000 | Sep 22, 2000 | — | — |
| Juarez Enemorio #5DF42-427-33269 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 8,300 | Sep 14, 2000 | — | — |
| King Ranch San Jose de la Parra #17F42-261-30403 | Exxon Mobil Corporation | Kenedy, TXWildcat | PluggedGas | 5,600 | Aug 17, 2000 | — | — |
| King Ranch San Jose de la Parra #33 F42-261-30580 | Exxon Mobil Corporation | Kenedy, TXCalandria (4850) | PluggedGas | 5,400 | Aug 17, 2000 | — | — |
| McGill Bros. #558DF42-427-33253 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 7,500 | Aug 2, 2000 | — | — |
| King Ranch Laguna Larga #106442-273-32260 | Exxon Mobil Corporation | Kleberg, TXT-C-B (Vxbg Consolidated) | PluggedGas | 12,625 | Jul 21, 2000 | — | — |
| Kleberg R. J. Jr. Tr. Stillman #12542-489-31027 | Exxon Mobil Corporation | Willacy, TXTordilla-NC (K-45 W) | PluggedGas | 12,000 | Jun 20, 2000 | — | — |
| Sarita Field Oil & Gas Unit #138 D42-261-30411 | Exxon Mobil Corporation | Kenedy, TXSarita ( 6-A) | PluggedOil | 8,900 | Jun 14, 2000 | — | — |
| King Ranch Laguna Larga #105442-273-32190 | Exxon Mobil Corporation | Kleberg, TXT.-C.-B. (LWR Frio-UP Vxbg) | PluggedGas | 11,900 | May 24, 2000 | — | — |
| Trawick GU 25 #342-347-30465 | Exxon Mobil Corporation | Nacogdoches, TXTrawick (Pettit-TP Cons.) | PluggedGas | 9,300 | May 1, 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 | — | — |
| King Ranch Stratton #P28742-273-32295 | Exxon Mobil Corporation | Kleberg, TXStratton (Consolidated) | PluggedGas | 9,400 | Feb 28, 2000 | — | — |
| King Ranch Visnaga #2542-273-31721 | Exxon Mobil Corporation | Kleberg, TXYeary (I-51) | PluggedGas | 9,900 | Feb 15, 2000 | — | — |
| Hfu O #332142-499-02079 | Exxon Mobil Corporation | Wood, TXHawkins (Charged Eocene Sds.) | PluggedGas | 1,700 | Dec 14, 1999 | — | — |
| King Ranch Tijerina #a 3842-273-31182 | Exxon Mobil Corporation | Kleberg, TXT.-C.-B. (LWR Frio-UP Vxbg) | PluggedGas | 11,000 | Dec 10, 1999 | — | — |
| Sarita Field Oil & Gas Unit #188 D42-261-30939 | Exxon Mobil Corporation | Kenedy, TXSarita ( 3-C E) | PluggedGas | 8,550 | Sep 24, 1999 | — | — |
| King Ranch Borregos #61642-273-31913 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 7,400 | Sep 17, 1999 | — | — |
| King Ranch Borregos #307DF42-273-00088 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 7,500 | Sep 15, 1999 | — | — |
| King Ranch Borregos #611 D42-273-31889 | Exxon Mobil Corporation | Kleberg, TXZone 21-B Trend | PluggedGas | 7,900 | Sep 13, 1999 | — | — |
| Kleberg R J Jr TR Viboras Pas. #V128 F42-047-31456 | Exxon Mobil Corporation | Brooks, TXViboras ( Zone 1-Viii) | PluggedGas | 9,800 | Aug 26, 1999 | — | — |
| McGill Bros. #55642-427-33178 | Exxon Mobil Corporation | Starr, TXKelsey (Vxkbg. Consol.) | PluggedGas | 9,200 | Aug 19, 1999 | — | — |
| Viboras Field Gas Unit #v 68 D42-047-30599 | Exxon Mobil Corporation | Brooks, TXViboras (Frio Cons.) | PluggedGas | 9,100 | Aug 3, 1999 | — | — |
| McGill Bros. #431 D42-427-30247 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 6,540 | May 3, 1999 | — | — |
| King Ranch Borregos #59242-273-31749 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 7,175 | Mar 19, 1999 | — | — |
| King Ranch Borregos #63142-273-31973 | Exxon Mobil Corporation | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 9,425 | Mar 16, 1999 | — | — |
| McGill Bros. #367 D42-047-01605 | Exxon Mobil Corporation | Brooks, TXKelsey (Frio Consol.) | PluggedGas | 6,400 | Mar 15, 1999 | — | — |
| McGill Bros. #25242-427-00237 | Exxon Mobil Corporation | Starr, TXKelsey (Frio Consol.) | PluggedGas | 7,781 | Feb 8, 1999 | — | — |