| Moore H N. #6142-339-30689 | Exxon Corp. | Montgomery, TXConroe S. (Wilcox 25-10 300) | PluggedGas | 11,000 | Jan 28, 1991 | — | — |
| King Ranch East Laureles #b 26 D42-273-31947 | Exxon Corp. | Kleberg, TXBina N. E. (H-19) | PluggedGas | 9,080 | Jan 22, 1991 | — | — |
| Santa FE Ranch #9442-215-31663 | Exxon Corp. | Hidalgo, TXSanta FE South (G-05) | PluggedGas | 8,550 | Jan 16, 1991 | — | — |
| Montalvo N. R. #46 D42-427-30075 | Exxon Corp. | Starr, TXSun (D-2-B) | PluggedGas | 4,920 | Jan 2, 1991 | — | — |
| Kleberg R.K. Jr.tr.vibros Past. #114 F42-047-31255 | Exxon Corp. | Brooks, TXViboras (G-50 W) | PluggedGas | 9,100 | Dec 31, 1990 | — | — |
| S.P.J.S.T. Lodge #142-013-01865 | Exxon Corp. | Atascosa, TXJourdanton (Buda) | PluggedOil | 7,424 | Dec 20, 1990 | — | — |
| King Ranch Madero #8 F42-273-00768 | Exxon Corp. | Kleberg, TXMadero (J-58) | PluggedGas | 9,800 | Dec 17, 1990 | — | — |
| Helmcamp Mickie #142-149-30584 | Exxon Corp. | Fayette, TXGiddings (Austin Chalk Gas) | PluggedGas | 8,650 | Dec 13, 1990 | — | — |
| Stewart Maco a A/C2 #442-167-01597 | Exxon Corp. | Galveston, TXGillock (Big Gas FB-A) | PluggedOil | 8,998 | Dec 10, 1990 | — | — |
| Santa FE Ranch #1942-047-01400 | Exxon Corp. | Brooks, TXSanta FE East (Zone 3) | PluggedGas | 9,100 | Nov 21, 1990 | — | — |
| Bryant Leon #142-329-31705 | Exxon Corp. | Midland, TXBradford Ranch (Atoka) | PluggedOil | 11,600 | Nov 14, 1990 | — | — |
| Blue Creek Ranch Co. #742-481-02544 | Exxon Corp. | Wharton, TXMagnet Withers (Miocene Upper) | PluggedGas | 6,762 | Nov 7, 1990 | — | — |
| King Ranch Alazan #41842-273-31998 | Exxon Corp. | Kleberg, TXMadero (J-24) | PluggedGas | 11,400 | Oct 23, 1990 | — | — |
| Kleberg R.J. Jr.tr.zach Past St #5 D42-047-30788 | Exxon Corp. | Brooks, TXViboras (G-54 Viii W) | PluggedGas | 10,050 | Oct 12, 1990 | — | — |
| King Ranch Alazan #19 J42-273-00650 | Exxon Corp. | Kleberg, TXAlazan North (H-02) | PluggedGas | 8,960 | Oct 12, 1990 | — | — |
| King Ranch Alazan #113 D42-273-00651 | Exxon Corp. | Kleberg, TXAlazan North (All Zones) | PluggedOil | 8,900 | Oct 11, 1990 | — | — |
| Davidson Mary -a- #4 F42-297-30756 | Exxon Corp. | Live Oak, TXWildcat | PluggedOil | 5,950 | Oct 4, 1990 | — | — |
| King Ranch Alazan #73 H42-273-00666 | Exxon Corp. | Kleberg, TXAlazan North (G-91) | PluggedGas | 8,043 | Sep 19, 1990 | — | — |
| Sarita Field Oil & Gas Unit #21542-261-31115 | Exxon Corp. | Kenedy, TXSarita (1-G A) | PluggedGas | 7,400 | Sep 18, 1990 | — | — |
| King Ranch Alazan #22742-273-30055 | Exxon Corp. | Kleberg, TXAlazan North (G-57 Sand) | PluggedGas | 7,950 | Sep 18, 1990 | — | — |
| King Ranch Alazan #40942-273-31886 | Exxon Corp. | Kleberg, TXAlazan North (F-51) | PluggedGas | 7,400 | Sep 14, 1990 | — | — |
| Rearwin L. W. #642-071-31614 | Exxon Corp. | Chambers, TXBelton Lane (F-15U) | PluggedOil | 9,500 | Sep 6, 1990 | — | — |
| East S. K. Mrs. #14242-261-30756 | Exxon Corp. | Kenedy, TXRita (11-E) | PluggedOil | 10,250 | Sep 6, 1990 | — | — |
| East S. K. Mrs. #14342-261-30752 | Exxon Corp. | Kenedy, TXWildcat | PluggedGas | 9,200 | Aug 28, 1990 | — | — |
| King Ranch Alazan #18-F42-273-00696 | Exxon Corp. | Kleberg, TXWildcat | PluggedGas | 8,977 | Aug 28, 1990 | — | — |
| King Ranch Borregos #167 F42-273-01155 | Exxon Corp. | Kleberg, TXBorregos (Zone N-10) | PluggedGas | 6,500 | Jul 26, 1990 | — | — |
| East S.K. Mrs. #19242-261-31049 | Exxon Corp. | Kenedy, TXRita ( 9-M U) | PluggedGas | 8,200 | Jul 23, 1990 | — | — |
| Armstrong Charles M. (Area Z) #5142-261-30489 | Exxon Corp. | Kenedy, TXWildcat | PluggedGas | 11,500 | Jul 20, 1990 | — | — |
| King Ranch Alazan #60 H42-273-00646 | Exxon Corp. | Kleberg, TXWildcat | PluggedGas | 8,050 | Jul 5, 1990 | — | — |
| King Ranch Borregos #44342-273-01871 | Exxon Corp. | Kleberg, TXBorregos (Zone J- 3) | PluggedGas | 5,550 | Jun 29, 1990 | — | — |
| Kohler V. a #13042-131-34741 | Exxon Corp. | Duval, TXViggo (Yegua 15) | PluggedGas | 6,000 | Jun 28, 1990 | — | — |
| King Ranch-Canelo #22 F42-273-01831 | Exxon Corp. | Kleberg, TXCanelo (H-26 Sd.) | PluggedOil | 8,000 | Jun 15, 1990 | — | — |
| Montalvo N.R. & E.A. #2742-427-31340 | Exxon Corp. | Starr, TXSun (F-1-M 4950) | PluggedGas | 5,740 | Jun 15, 1990 | — | — |
| Welder P. H. a #2242-057-00113 | Exxon Corp. | Calhoun, TXHeyser (5400 #1) | PluggedGas | 5,454 | Jun 8, 1990 | — | — |
| King Ranch Borregos #49242-273-30176 | Exxon Corp. | Kleberg, TXBorregos (Zone N-21 N) | PluggedGas | 6,965 | Jun 8, 1990 | — | — |
| Broussard-Hebert a/C-1 #4342-071-31532 | Exxon Corp. | Chambers, TXAnahuac (Chgd. Shallow Sds.) | PluggedGas | 7,570 | May 31, 1990 | — | — |
| King Ranch Borregos #480 F42-273-30074 | Exxon Corp. | Kleberg, TXBorregos (Zone L-5) | PluggedGas | 6,995 | May 29, 1990 | — | — |
| Mrs. East S.K. #144 D42-261-30754 | Exxon Corp. | Kenedy, TXTajos (7290) | PluggedGas | 9,870 | May 15, 1990 | — | — |
| King Ranch Borregos #327 D42-273-01292 | Exxon Corp. | Kleberg, TXBorregos (Zone L-3) | PluggedGas | 7,175 | May 15, 1990 | — | — |
| Pita Island Field Gas Unit #1 #242-355-30208 | Exxon Corp. | Nueces, TXPita Island (9250) | PluggedOil | 10,100 | May 4, 1990 | — | — |
| East S. K. Mrs. #9042-261-30392 | Exxon Corp. | Kenedy, TXWildcat | PluggedGas | 9,400 | May 3, 1990 | — | — |
| Mrs. East S.K. #13542-261-30711 | Exxon Corp. | Kenedy, TXTajos (G-25) | PluggedGas | 10,450 | May 3, 1990 | — | — |
| McGill Brothers #46542-047-30922 | Exxon Corp. | Brooks, TXKelsey Deep (Zone 25) | PluggedGas | 8,400 | May 2, 1990 | — | — |
| Kleberg R.J. Jr TR Vib. Pasture #110 F42-047-31225 | Exxon Corp. | Brooks, TXViboras (G-50 W) | PluggedGas | 8,980 | May 2, 1990 | — | — |
| McGill Bros. #359 D42-047-01564 | Exxon Corp. | Brooks, TXWildcat | PluggedGas | 6,420 | Apr 30, 1990 | — | — |
| Amado Trad B #5 D42-047-31331 | Exxon Corp. | Brooks, TXWildcat | PluggedGas | 8,100 | Apr 30, 1990 | — | — |
| Santa FE Ranch B #9842-215-31544 | Exxon Corp. | Hidalgo, TXSanta FE South (G-20 N) | PluggedGas | 9,400 | Apr 30, 1990 | — | — |
| East S. K. Mrs. #13842-261-30729 | Exxon Corp. | Kenedy, TXRita (3-I II) | PluggedGas | 6,400 | Apr 30, 1990 | — | — |
| King Ranch Alazan #23942-273-30072 | Exxon Corp. | Kleberg, TXAlazan North (H-02) | PluggedGas | 7,330 | Apr 30, 1990 | — | — |
| King Ranch Chiltipin #8342-273-31441 | Exxon Corp. | Kleberg, TXArnold-David (K-80) | PluggedGas | 11,900 | Apr 30, 1990 | — | — |