| King Ranch Alazan #15 D42-273-00638 | Exxon Corp. | Kleberg, TXAlazan North (H-02) | PluggedGas | 8,975 | Aug 18, 1989 | — | — |
| Weinert /Strawn/ Unit #40742-207-80632 | Exxon Corp. | Haskell, TXWeinert (Strawn) | Not on scheduleOil | 4,850 | Aug 9, 1989 | — | — |
| King Ranch Borregos #377HJ42-273-00068 | Exxon Corp. | Kleberg, TXBorregos (Consolidated Gas) | PluggedGas | 9,469 | Aug 3, 1989 | — | — |
| Kleberg Robert J. Jr TR Still. #8442-489-30917 | Exxon Corp. | Willacy, TXTordilla (M-50) | PluggedGas | 18,500 | Aug 3, 1989 | — | — |
| King Ranch Alazan #72 D42-273-00661 | Exxon Corp. | Kleberg, TXAlazan North (G-74) | PluggedGas | 8,050 | Aug 1, 1989 | — | — |
| Kleberg R.J. Jr TR Viboras Pas. #9542-047-30940 | Exxon Corp. | Brooks, TXViboras (G-31 Viii) | PluggedGas | 10,000 | Jul 31, 1989 | — | — |
| White Kiff #142-195-01133 | Exxon Corp. | Hansford, TXHorizon (Cleveland) | PluggedOil | 6,250 | Jul 19, 1989 | — | — |
| Sarita Field Oil & Gas Unit #159 F42-261-30601 | Exxon Corp. | Kenedy, TXWildcat | PluggedGas | 9,650 | Jul 13, 1989 | — | — |
| King Ranch Borregos #385 F42-273-01773 | Exxon Corp. | Kleberg, TXWildcat | PluggedGas | 7,260 | Jul 13, 1989 | — | — |
| McGill J. C. Jr. State #2142-427-30619 | Exxon Corp. | Starr, TXKelsey South (Zone 25) | PluggedGas | 7,690 | Jul 13, 1989 | — | — |
| Juarez Juan #542-427-31717 | Exxon Corp. | Starr, TXKelsey South (Zone 17-A) | PluggedGas | 7,800 | Jul 13, 1989 | — | — |
| Kleberg R.j.jr.tr.viboras Past. #81 F42-047-30737 | Exxon Corp. | Brooks, TXViboras ( F-81) | PluggedGas | 8,000 | Jul 12, 1989 | — | — |
| Scherer W.B. #342-201-00146 | Exxon Corp. | Harris, TXTomball (Petrich NW.) | PluggedGas | 5,700 | Jul 12, 1989 | — | — |
| Bass A. M. K. Mrs. #3442-247-30404 | Exxon Corp. | Jim Hogg, TXWildcat | PluggedGas | 8,505 | Jul 12, 1989 | — | — |
| Michel A. H. #3 H42-201-00660 | Exxon Corp. | Harris, TXTomball (Petrich) | PluggedOil | 6,615 | Jul 11, 1989 | — | — |
| Lockwood H. P. #2742-157-02859 | Exxon Corp. | Fort Bend, TXThompson (Miocene 4 Seg. 6) | PluggedGas | 4,500 | Jul 10, 1989 | — | — |
| Welder P. H. -B- #2342-057-00069 | Exxon Corp. | Calhoun, TXHeyser (5400 #2) | PluggedGas | 5,593 | Jul 7, 1989 | — | — |
| White P.E. -B- #10142-131-10922 | Exxon Corp. | Duval, TXLundell (Hockley -J-) | PluggedGas | 2,700 | Jun 30, 1989 | — | — |
| King Ranch Alazan #71 D42-273-00663 | Exxon Corp. | Kleberg, TXAlazan North (G-48) | PluggedGas | 8,050 | Jun 30, 1989 | — | — |
| King Ranch East Laureles #b 17 F42-273-31725 | Exxon Corp. | Kleberg, TXBina (B-1) | PluggedGas | 8,410 | Jun 22, 1989 | — | — |
| Kleberg R.J. Jr TR Ouiteria Pas #10242-047-31196 | Exxon Corp. | Brooks, TXViboras (8400) | PluggedGas | 9,400 | Jun 19, 1989 | — | — |
| Kleberg R.j.jr.tr.viboras Past. #96 F42-047-30960 | Exxon Corp. | Brooks, TXViboras ( F-88) | PluggedGas | 8,000 | Jun 16, 1989 | — | — |
| Owens J.W. G #142-105-01431 | Exxon Corp. | Crockett, TXOlson | PluggedOil | 7,092 | Jun 14, 1989 | — | — |
| King Ranch Stratton #a 27 F42-273-01735 | Exxon Corp. | Kleberg, TXStratton (Consolidated) | PluggedGas | 8,617 | Jun 13, 1989 | — | — |
| Lambert Mary F. a #942-391-30359 | Exxon Corp. | Refugio, TXTom O Connor (4150) | PluggedOil | 6,200 | Jun 13, 1989 | — | — |
| Kgfcu (IV) #4208 L42-473-30389 | Exxon Corp. | Waller, TXKaty (Combined) | PluggedGas | 8,100 | Jun 13, 1989 | — | — |
| Michel M. F. #2 U42-201-00659 | Exxon Corp. | Harris, TXTomball (Petrich) | PluggedOil | 6,012 | Jun 12, 1989 | — | — |
| King Ranch Morgan #p 2342-273-32094 | Exxon Corp. | Kleberg, TXStratton (Consolidated) | PluggedGas | 8,450 | Jun 9, 1989 | — | — |
| Mrs. East S.K. Estate B #2042-261-31104 | Exxon Corp. | Kenedy, TXPotrero Farias (G-94) | PluggedGas | 8,050 | Jun 8, 1989 | — | — |
| South Mayes Gas Unit 4 #142-071-02397 | Exxon Corp. | Chambers, TXMayes South (Frio 11-C) | PluggedGas | 12,090 | Jun 6, 1989 | — | — |
| Kleberg R. J. Jr.tr.vib.pasture #5842-047-30162 | Exxon Corp. | Brooks, TXViboras (Massive Second V N) | PluggedGas | 9,000 | Jun 2, 1989 | — | — |
| Lockwood & Sharp -a- #2642-157-02441 | Exxon Corp. | Fort Bend, TXThompson SW. (Miocene 12-A) | PluggedOil | 5,265 | Jun 2, 1989 | — | — |
| Kleberg R.J. Jr TR Viboras Past #9442-047-30941 | Exxon Corp. | Brooks, TXViboras (G-34 Viii N) | PluggedGas | 8,600 | Jun 1, 1989 | — | — |
| King Ranch Alazan #219 D42-273-30026 | Exxon Corp. | Kleberg, TXAlazan North (All Zones) | PluggedOil | 7,990 | May 31, 1989 | — | — |
| Katy GF Cons U #4303 F42-473-30298 | Exxon Corp. | Waller, TXKaty (II-a L) | PluggedGas | 7,800 | May 31, 1989 | — | — |
| Kleberg R.J. Jr TR Los Muertos #9 D42-047-01248 | Exxon Corp. | Brooks, TXViboras. West (I-07) | PluggedGas | 8,615 | May 30, 1989 | — | — |
| McGill Brothers #46342-047-30918 | Exxon Corp. | Brooks, TXKelsey SE (29-a N) | PluggedGas | 10,200 | May 30, 1989 | — | — |
| S. Mayes Mid. Frio Gfu #242-071-02408 | Exxon Corp. | Chambers, TXMayes South (Frio 17 11900) | PluggedGas | 12,100 | May 22, 1989 | — | — |
| S.mayes Middle Frio G.F.U. #742-071-31613 | Exxon Corp. | Chambers, TXMayes South (Frio 19) | PluggedGas | 12,775 | May 22, 1989 | — | — |
| West Levelland Unit #34242-079-32392 | Exxon Corp. | Cochran, TXWildcat | PluggedOil | 5,200 | May 22, 1989 | — | — |
| Sullivan D.J. B #4942-047-30864 | Exxon Corp. | Brooks, TXPita (C-3 E) | PluggedOil | 8,675 | May 19, 1989 | — | — |
| King Ranch Borregos #57942-273-31699 | Exxon Corp. | Kleberg, TXWildcat | PluggedGas | 7,650 | May 19, 1989 | — | — |
| Davidson Mary #942-297-33567 | Exxon Corp. | Live Oak, TXRamirena SW (D-60) | PluggedOil | 6,900 | May 19, 1989 | — | — |
| Oconnor Thomas James TR #2 #d 16 F42-391-30034 | Exxon Corp. | Refugio, TXWoodsboro South (4200) | PluggedGas | 5,975 | May 19, 1989 | — | — |
| Lambert Mary F. #142-391-01456 | Exxon Corp. | Refugio, TXTom Oconnor (4400) | PluggedOil | 6,000 | May 16, 1989 | — | — |
| Tomball GU 1 #2842-201-00297 | Exxon Corp. | Harris, TXTomball (Miocene 9) | PluggedGas | 5,594 | May 15, 1989 | — | — |
| Magnet Withers Mio GU-1 #142-481-02555 | Exxon Corp. | Wharton, TXMagnet Withers (Miocene 3850) | PluggedGas | 5,540 | May 15, 1989 | — | — |
| Means R. M. #9342-003-02760 | Exxon Corp. | Andrews, TXMcFarland (Wolfcamp) | PluggedOil | 10,388 | May 5, 1989 | — | — |
| Cockburn H. C. #96 D42-481-30337 | Exxon Corp. | Wharton, TXMagnet Withers (Miocene 4200) | PluggedGas | 6,310 | May 4, 1989 | — | — |
| King Ranch Visnaga #442-273-00779 | Exxon Corp. | Kleberg, TXYeary (I-63) | PluggedGas | 12,000 | May 3, 1989 | — | — |