| Oconnor Mary Ellen -E- #11 C42-391-01860 | Exxon Corp. | Refugio, TXMary Ellen Oconnor (FS-96) | Not on scheduleOil | 6,182 | Sep 30, 1999 | — | — |
| Wolters, R. A. "a" #1242-157-32070 | Exxon Corp. | Fort Bend, TXThompson, South | Not on schedule | 5,450 | Sep 29, 1999 | — | — |
| Hawkins Field Unit #260142-499-31921 | Exxon Corp. | Wood, TXHawkins | Not on schedule | 5,500 | Sep 13, 1999 | — | — |
| Kleberg, R J Jr TR Viboras Pas. #14442-047-31868 | Exxon Corp. | Brooks, TX | Plugged | 9,500 | Sep 2, 1999 | — | — |
| Means, J. S. a/C 2 #247542-003-38492 | Exxon Corp. | Andrews, TX | Not on schedule | 5,600 | Jul 9, 1999 | — | — |
| Kleberg R.J. Jr. TR Viboras Pas #13242-047-31487 | Exxon Corp. | Brooks, TXViboras ( F-88) | PluggedGas | 11,700 | Jul 2, 1999 | — | — |
| Means, J. S. a/C 2 #287542-003-38464 | Exxon Corp. | Andrews, TX | Not on schedule | 6,000 | Feb 26, 1999 | — | — |
| King Ranch Tijerina #1146J42-249-32345 | Exxon Corp. | Jim Wells, TX | Not on schedule | 10,800 | Feb 26, 1999 | — | — |
| Brown & Altman B #5142-495-32741 | Exxon Corp. | Winkler, TXWildcat | PluggedOil | 8,000 | Oct 29, 1998 | — | — |
| Brown & Altman B #4942-495-32739 | Exxon Corp. | Winkler, TXWildcat | PluggedOil | 8,000 | Oct 22, 1998 | — | — |
| King Ranch Laguna Larga #107342-273-32277 | Exxon Corp. | Kleberg, TXT-C-B (Lower Vicksburg) | Not on schedule | 12,725 | Oct 7, 1998 | — | — |
| King Ranch Laguna Larga #106942-273-32276 | Exxon Corp. | Kleberg, TXT-C-B (Lower Vicksburg) | Not on schedule | 12,725 | Oct 6, 1998 | — | — |
| Anahuac Main Frio Gas Unit 1 #M11242-071-31728 | Exxon Corp. | Chambers, TXAnahuac | PluggedGas | 8,175 | Aug 20, 1998 | — | — |
| Kleberg, R. J. Jr. Tr. Zach Past #1842-261-31206 | Exxon Corp. | Kenedy, TX | Plugged | 16,200 | Jul 16, 1998 | — | — |
| Webster Field Unit a #184342-201-32138 | Exxon Corp. | Harris, TXWebster (Chgd Shallow) | PluggedGas | 6,100 | Jun 12, 1998 | — | — |
| Kleberg, R. J. Jr. Tr. Stillman #13442-489-31007 | Exxon Corp. | Willacy, TX | Not on schedule | 12,500 | May 20, 1998 | — | — |
| Means, J. S. a/C 4 #35742-003-38432 | Exxon Corp. | Andrews, TX | Not on schedule | 10,100 | May 15, 1998 | — | — |
| King Ranch Laguna Larga #106342-273-32269 | Exxon Corp. | Kleberg, TXT-C-B (Lower Vicksburg) | Not on schedule | 12,525 | May 11, 1998 | — | — |
| King Ranch Colorado B #10142-247-32109 | Exxon Corp. | Jim Hogg, TXWildcat | PluggedGas | 16,000 | Apr 29, 1998 | — | — |
| Cordona Lake Consolidated #14842-103-34633 | Exxon Corp. | Crane, TXCordona Lake | Not on schedule | 6,000 | Apr 23, 1998 | — | — |
| Means, J. S. a/C 2 #35942-003-38419 | Exxon Corp. | Andrews, TX | Plugged | 10,100 | Apr 22, 1998 | — | — |
| Armstrong, Elizabeth #1042-003-38418 | Exxon Corp. | Andrews, TX | Not on schedule | 9,600 | Apr 20, 1998 | — | — |
| Armstrong, Elizabeth #1142-003-38417 | Exxon Corp. | Andrews, TX | Plugged | 9,900 | Apr 17, 1998 | — | — |
| Middleton A. D. a/C 1 #10842-071-31576 | Exxon Corp. | Chambers, TXAnahuac (Discorbis Central) | PluggedGas | 8,600 | Apr 16, 1998 | — | — |
| Exxon-West Fee "B" a/C 1 #18042-201-32529 | Exxon Corp. | Harris, TXWebster (Chgd Shallow) | Plugged | 600 | Apr 16, 1998 | — | — |
| McGill Bros. #55142-427-33103 | Exxon Corp. | Starr, TXKelsey SE. (30-B) | PluggedGas | 9,000 | Apr 8, 1998 | — | — |
| Mariposa Field Gas Unit #s 142-047-00280 | Exxon Corp. | Brooks, TXMariposa (G-18) | PluggedGas | 8,545 | Mar 26, 1998 | — | — |
| Viboras Field Gas Unit No. 1 #Q13242-047-31801 | Exxon Corp. | Brooks, TXViboras (Frio Cons.) | Not on scheduleGas | 11,100 | Mar 13, 1998 | — | — |
| King Ranch Borregos #m 56E42-273-32266 | Exxon Corp. | Kleberg, TXWildcat | PluggedGas | 12,960 | Mar 11, 1998 | — | — |
| S.L. Holmes Unit Unit(cfec #530) #1042-365-33883 | Exxon Corp. | Panola, TXCarthage (Cotton Valley) | Plugged | 9,600 | Feb 13, 1998 | — | — |
| Mrs. S. K. East B #4842-261-31200 | Exxon Corp. | Kenedy, TXSarita East (Frio) | PluggedGas | 13,533 | Feb 6, 1998 | — | — |
| King Ranch Tijerina #1142J42-273-32254 | Exxon Corp. | Kleberg, TXT-C-B (Lower Vicksburg) | Not on schedule | 11,000 | Sep 16, 1997 | — | — |
| S.P.J.S.T. Lodge #242-013-01864 | Exxon Corp. | Atascosa, TXJourdanton (Buda) | PluggedGas | 7,408 | Jun 30, 1997 | — | — |
| Rogers Helen #442-357-00406 | Exxon Corp. | Ochiltree, TXDude Wilson (Morrow Upper) | PluggedGas | 7,975 | Jun 4, 1997 | — | — |
| Lathem Family Unit No. 2 #142-205-30283 | Exxon Corp. | Hartley, TXLathem (Canyon Granite Wash) | Not on schedule | 6,600 | May 30, 1997 | — | — |
| Dawson James H #142-047-30228 | Exxon Corp. | Brooks, TXMariposa (C11-N6 Cons. Gas) | PluggedGas | 10,700 | May 27, 1997 | — | — |
| J. J. Sealy Unit #842-365-33666 | Exxon Corp. | Panola, TXCarthage (Cotton Valley) | Not on schedule | 9,400 | May 16, 1997 | — | — |
| Webster Field Unit #17942-201-32495 | Exxon Corp. | Harris, TXWebster | Not on schedule | 6,170 | May 14, 1997 | — | — |
| Heard J.F.B. #342-391-00862 | Exxon Corp. | Refugio, TXGreta (C-1-a North) | PluggedGas | 4,384 | May 12, 1997 | — | — |
| Carthage Gas Unit No. 32 #842-365-33613 | Exxon Corp. | Panola, TXCarthage (Cotton Valley) | Not on schedule | 9,400 | Apr 8, 1997 | — | — |
| King Ranch Borregos #606 D42-273-31860 | Exxon Corp. | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 7,900 | Feb 25, 1997 | — | — |
| Tubb J. B. -C- #16 U42-103-31328 | Exxon Corp. | Crane, TXSand Hills (Judkins) | PluggedGas | 4,730 | Oct 4, 1996 | — | — |
| Mrs. M. J. Coleman Unit #842-365-33509 | Exxon Corp. | Panola, TX | Not on schedule | 6,600 | Sep 25, 1996 | — | — |
| Kleberg R.j.jr.tr.stillman #70 F42-489-30741 | Exxon Corp. | Willacy, TXTordilla (I-67 S) | PluggedGas | 10,350 | Sep 20, 1996 | — | — |
| Sarita Field Oil & Gas Unit #17942-261-30732 | Exxon Corp. | Kenedy, TXSarita (1-B) | PluggedGas | 2,950 | Sep 19, 1996 | — | — |
| Webster Field Unit #17742-201-32464 | Exxon Corp. | Harris, TXWebster | Not on schedule | 6,200 | Sep 13, 1996 | — | — |
| Barrow, Augusta #3842-135-37260 | Exxon Corp. | Ector, TX | Not on schedule | 10,300 | Aug 30, 1996 | — | — |
| Barrow, Augusta #3742-135-37261 | Exxon Corp. | Ector, TX | Not on schedule | 10,300 | Aug 30, 1996 | — | — |
| King Ranch Badeno #1542-261-31170 | Exxon Corp. | Kenedy, TXSan Jose South (H-30) | PluggedGas | 8,400 | Jul 19, 1996 | — | — |
| Kleberg R J Jr TR Stillman #7342-261-30919 | Exxon Corp. | Kenedy, TXStillman (K-32) | PluggedGas | 12,400 | Jul 18, 1996 | — | — |