| Kleberg R.J. Jr TR Quit. Past. #11242-047-31267 | Exxon Corp. | Brooks, TXViboras (8500 South Seg.ii) | PluggedGas | 10,600 | May 2, 1989 | — | — |
| O Conner Thomas James -D- #2142-391-31830 | Exxon Corp. | Refugio, TXWoodsboro | PluggedOil | 6,430 | May 2, 1989 | — | — |
| King Ranch Visnaga #15 D42-273-30593 | Exxon Corp. | Kleberg, TXYeary (I-40) | PluggedGas | 9,700 | May 1, 1989 | — | — |
| R.j.kleberg Jr.tr.barrosa Past. #12 D42-047-30278 | Exxon Corp. | Brooks, TXPita N.W. (H-25) | PluggedGas | 8,200 | Apr 27, 1989 | — | — |
| Guitar Repps B. #142-227-34433 | Exxon Corp. | Howard, TXGuitar Deep (Fusselman) | PluggedOil | 10,600 | Apr 27, 1989 | — | — |
| McGill Bros #53642-427-32327 | Exxon Corp. | Starr, TXKelsey Deep (Zone 19-K C) | PluggedOil | 7,140 | Apr 26, 1989 | — | — |
| Davis J. H. P. Est. #4942-157-30019 | Exxon Corp. | Fort Bend, TXThompson (Miocene 6 Seg 6) | PluggedGas | 3,949 | Apr 21, 1989 | — | — |
| Sullivan D.J. B #7642-047-31369 | Exxon Corp. | Brooks, TXPita (E-6 E) | PluggedGas | 8,800 | Apr 20, 1989 | — | — |
| Kleber R.J. Jr TR Patricio Pas #2042-047-30936 | Exxon Corp. | Brooks, TXPita West (H-82 W) | PluggedGas | 9,050 | Apr 19, 1989 | — | — |
| Santa FE Ranch #48 F42-047-30754 | Exxon Corp. | Brooks, TXWildcat | PluggedGas | 7,500 | Apr 17, 1989 | — | — |
| East A.K. Mrs. B #6442-247-31760 | Exxon Corp. | Jim Hogg, TXChatterton SE. (Hockley) | PluggedGas | 5,400 | Apr 12, 1989 | — | — |
| Cockburn H. C. #87 F42-481-03609 | Exxon Corp. | Wharton, TXMagnet Withers (F-12 E.) | PluggedOil | 7,150 | Apr 12, 1989 | — | — |
| Kleberg R. J. Jr. Tr. Barrosa P #7 D42-047-30257 | Exxon Corp. | Brooks, TXPita N. W. (H-32) | PluggedGas | 7,889 | Apr 11, 1989 | — | — |
| King Ranch Borregos #m 39B42-273-31779 | Exxon Corp. | Kleberg, TXBorregos-Frio (L-13) | PluggedGas | 7,600 | Apr 11, 1989 | — | — |
| Pecan Grove GU 3 #242-157-30980 | Exxon Corp. | Fort Bend, TXPecan Grove SW (8000) | PluggedGas | 9,300 | Apr 10, 1989 | — | — |
| McGill J.C. Jr. State #2442-047-31422 | Exxon Corp. | Brooks, TXKelsey Deep (Zone 24 C) | PluggedGas | 9,000 | Mar 27, 1989 | — | — |
| Davis J.H.P. Est. #5342-157-30368 | Exxon Corp. | Fort Bend, TXThompson South (Miocene 10) | PluggedGas | 5,463 | Mar 24, 1989 | — | — |
| King Ranch Seeligson #E140 F42-273-32142 | Exxon Corp. | Kleberg, TXWildcat | PluggedOil | 8,500 | Mar 23, 1989 | — | — |
| Taylor Anna B. -B- #242-321-00687 | Exxon Corp. | Matagorda, TXSugar Valley(gravier Taylor BSG) | PluggedGas | 11,867 | Mar 16, 1989 | — | — |
| King Ranch East Laureles #g 2242-273-30394 | Exxon Corp. | Kleberg, TXLaguna Larga (C-1 IV) | PluggedGas | 6,600 | Mar 9, 1989 | — | — |
| Sullivan D.J. B #8142-047-31389 | Exxon Corp. | Brooks, TXPita (D-2-E) | PluggedGas | 8,800 | Mar 8, 1989 | — | — |
| King Ranch West Borregos #m 11CD42-273-00030 | Exxon Corp. | Kleberg, TXBorregos West (Seg a F-62) | PluggedGas | 6,665 | Mar 8, 1989 | — | — |
| Sullivan D. J. B #5442-047-30987 | Exxon Corp. | Brooks, TXPita (E-3 SE) | PluggedGas | 8,700 | Mar 1, 1989 | — | — |
| White Kiff #542-195-01128 | Exxon Corp. | Hansford, TXHansford (Morrow Upper-Oil) | PluggedOil | 6,250 | Mar 1, 1989 | — | — |
| Viboras Field Gas Unit No. 1 #v 74 F42-047-30612 | Exxon Corp. | Brooks, TXViboras ( 03) | PluggedGas | 9,000 | Feb 24, 1989 | — | — |
| Santa FE Ranch-Mula Pasture #4842-261-31097 | Exxon Corp. | Kenedy, TXStillman (Shallow) | PluggedGas | 6,850 | Feb 21, 1989 | — | — |
| Juarez E. #342-427-00323 | Exxon Corp. | Starr, TXKelsey Deep (Zone 20-F) | PluggedOil | 7,025 | Feb 9, 1989 | — | — |
| King Ranch Morgan #M11542-273-32009 | Exxon Corp. | Kleberg, TXMagnolia City (D-01) | PluggedGas | 7,320 | Jan 31, 1989 | — | — |
| King Ranch Morgan #M10842-273-32016 | Exxon Corp. | Kleberg, TXElpar (F-20 E) | PluggedGas | 7,225 | Jan 31, 1989 | — | — |
| Kleberg R.J. Jr TR Stillman #7242-261-31013 | Exxon Corp. | Kenedy, TXTordilla (H-78 S) | PluggedGas | 11,250 | Jan 30, 1989 | — | — |
| King Ranch Morgan #M10942-273-31989 | Exxon Corp. | Kleberg, TXMagnolia City (F-90) | PluggedGas | 7,275 | Jan 26, 1989 | — | — |
| S. Mays Middle Frio Gas Fld.unit #442-071-02411 | Exxon Corp. | Chambers, TXMayes South (Frio 15) | PluggedGas | 12,534 | Jan 19, 1989 | — | — |
| McGill Bros. #M394 D42-047-01643 | Exxon Corp. | Brooks, TXKelsey ( McGill 3 & 4) | PluggedGas | 6,592 | Jan 18, 1989 | — | — |
| Mag.beach-Kellers Bay Melb. G.U. #k 18 F42-057-30033 | Exxon Corp. | Calhoun, TXMag. Beach-Kellers Bay (Melb.) | PluggedGas | 8,896 | Jan 18, 1989 | — | — |
| King Ranch Borregos #548 D42-273-31253 | Exxon Corp. | Kleberg, TXBorregos (Zone D-5) | PluggedGas | 7,000 | Dec 30, 1988 | — | — |
| King Ranch Borregos #570DF42-273-31789 | Exxon Corp. | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 7,900 | Dec 20, 1988 | — | — |
| King Ranch Morgan #M12142-273-32133 | Exxon Corp. | Kleberg, TXMagnolia City (F-47) | PluggedOil | 7,050 | Dec 19, 1988 | — | — |
| Exxon-West Fee B #7242-201-32076 | Exxon Corp. | Harris, TXWebster NE (Frio 1) | PluggedGas | 7,000 | Dec 12, 1988 | — | — |
| Raccoon Bend Oil Unit 10 #142-015-00084 | Exxon Corp. | Austin, TXRaccoon Bend (Sparta) | Not on scheduleOil | 6,200 | Dec 9, 1988 | — | — |
| Lockwood & Sharp -B- #5542-157-30384 | Exxon Corp. | Fort Bend, TXThompson (Miocene 10 Seg 4) | PluggedOil | 5,482 | Dec 9, 1988 | — | — |
| Gubbles Mrs. Mary -B- #242-157-02602 | Exxon Corp. | Fort Bend, TXThompson (Miocene 12-a Seg 5) | PluggedGas | 5,404 | Dec 8, 1988 | — | — |
| S. Katy GU 3 #142-473-30377 | Exxon Corp. | Waller, TXKaty (First Wilcox) | PluggedGas | 11,000 | Dec 8, 1988 | — | — |
| Lockwood H.P. #3342-157-30283 | Exxon Corp. | Fort Bend, TXWildcat | PluggedGas | 5,460 | Dec 7, 1988 | — | — |
| McGill Bros. #22442-427-00227 | Exxon Corp. | Starr, TXKelsey South (Zone 21-V) | PluggedGas | 6,883 | Nov 18, 1988 | — | — |
| Carroll E. E. #342-467-00376 | Exxon Corp. | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 2,938 | Nov 14, 1988 | — | — |
| Broussard-Herbert a/C #1 #22 D42-071-01675 | Exxon Corp. | Chambers, TXAnahuac (Miocene 7) | PluggedGas | 8,900 | Nov 10, 1988 | — | — |
| Fowler A. J. #1342-467-30720 | Exxon Corp. | Van Zandt, TXVan (Austin Chalk) | PluggedOil | 3,175 | Nov 9, 1988 | — | — |
| King Ranch Morgan #m 9842-273-31958 | Exxon Corp. | Kleberg, TXBorregos West (6150) | PluggedGas | 7,800 | Nov 7, 1988 | — | — |
| Davidson Mary #1042-297-33631 | Exxon Corp. | Live Oak, TXRamirena SW. (Yegua 10 Seg SW) | PluggedGas | 6,900 | Nov 3, 1988 | — | — |
| Tomball GU 5 #142-201-82645 | Exxon Corp. | Harris, TXTomball (Wilcox 8400) | PluggedGas | 10,000 | Oct 7, 1988 | — | — |