| Wallis Lula #142-071-02437 | Exxon Corp. | Chambers, TXMayes South | PluggedGas | 10,010 | Sep 25, 1987 | — | — |
| King Ranch East Laureles #g 28 F42-355-30546 | Exxon Corp. | Nueces, TXLaguna Larga (B-1 IV) | PluggedGas | 7,000 | Sep 25, 1987 | — | — |
| King Ranch Stratton #P27842-273-32093 | Exxon Corp. | Kleberg, TXStratton (L-16) | PluggedGas | 8,300 | Sep 18, 1987 | — | — |
| King Ranch Seeligson #C16342-273-01456 | Exxon Corp. | Kleberg, TXWildcat | PluggedOil | 7,330 | Sep 17, 1987 | — | — |
| Reynolds Mary A. #1542-297-02377 | Exxon Corp. | Live Oak, TXRamirena SW. (Sec. B 4000) | PluggedOil | 6,200 | Sep 11, 1987 | — | — |
| Conroe Field Unit #91942-339-00521 | Exxon Corp. | Montgomery, TXConroe ( Cockfield Upper) | PluggedGas | 5,149 | Sep 4, 1987 | — | — |
| RFR F-4 SD Unit #3642-071-02950 | Exxon Corp. | Chambers, TXRed Fish Reef (F-4) | PluggedGas | 10,850 | Sep 1, 1987 | — | — |
| Kleberg R. J. Jr.tr. Zaca Pa. S #9 F42-047-30859 | Exxon Corp. | Brooks, TXViboras (G-56 Viii) | PluggedOil | 8,750 | Aug 17, 1987 | — | — |
| Pringle J. P. #142-501-33265 | Exxon Corp. | Yoakum, TXVenis (Wolfcamp) | PluggedOil | 13,500 | Aug 12, 1987 | — | — |
| McCaslin Chas. L. #15 D42-297-32060 | Exxon Corp. | Live Oak, TXRamirena SW. (Yegua #2 Sd.) | PluggedGas | 5,530 | Aug 7, 1987 | — | — |
| Hutt Donald L. Fee #2742-329-31873 | Exxon Corp. | Midland, TXSpraberry(trend Area Dean-Wlfcp) | PluggedOil | 9,600 | Aug 6, 1987 | — | — |
| White Paul E. B #13242-131-36845 | Exxon Corp. | Duval, TXLundell (1250) | PluggedGas | 3,500 | Aug 3, 1987 | — | — |
| Welder P.H. -a- #1542-057-00141 | Exxon Corp. | Calhoun, TXHeyser (3900) | PluggedGas | 5,486 | Jul 31, 1987 | — | — |
| White P. E. B #9142-131-06015 | Exxon Corp. | Duval, TXLundell (Hockley 1850) | PluggedGas | 2,410 | Jul 30, 1987 | — | — |
| King Ranch East Laureles #g 34 D42-273-30546 | Exxon Corp. | Kleberg, TXLaguna Larga (C-1 IV) | PluggedGas | 6,605 | Jul 27, 1987 | — | — |
| King Ranch Borregos #251 H42-273-01297 | Exxon Corp. | Kleberg, TXBorregos (Zone R-13) | PluggedGas | 8,487 | Jul 3, 1987 | — | — |
| King Ranch San Jose de la Parra #36 D42-261-30617 | Exxon Corp. | Kenedy, TXCalandria (G-33) | PluggedGas | 9,750 | Jul 1, 1987 | — | — |
| King Ranch Alazan #311 D42-273-31268 | Exxon Corp. | Kleberg, TXAlazan (E-25) | PluggedGas | 6,600 | Jun 25, 1987 | — | — |
| King Ranch Borregos #23642-273-01347 | Exxon Corp. | Kleberg, TXBorregos (Vicksburg) | PluggedGas | 10,655 | Jun 18, 1987 | — | — |
| Kleberg R.J. Jr TR Vib. Pasture #5142-047-30100 | Exxon Corp. | Brooks, TXViboras (F-81 S) | PluggedGas | 7,535 | Jun 12, 1987 | — | — |
| Santa FE Ranch #8242-047-31390 | Exxon Corp. | Brooks, TXSanta FE East (Massive 1ST 6) | PluggedGas | 8,950 | Jun 12, 1987 | — | — |
| Heard F. V. W. #18 D42-391-00989 | Exxon Corp. | Refugio, TXGreta Deep (5620) | PluggedGas | 6,415 | Jun 12, 1987 | — | — |
| Sarita Field Oil & Gas Unit #40 F42-261-00106 | Exxon Corp. | Kenedy, TXSarita (15-M) | PluggedOil | 7,600 | Jun 10, 1987 | — | — |
| Sarita Field Oil & Gas Unit #186 F42-261-30925 | Exxon Corp. | Kenedy, TXSarita (17-E W-2) | PluggedOil | 8,600 | Jun 9, 1987 | — | — |
| Kleberg R J Jr TR Zachaustal PA #1342-047-31263 | Exxon Corp. | Brooks, TXViboras ( 8 500 Sand) | PluggedGas | 9,200 | Jun 8, 1987 | — | — |
| King Ranch Alazan #22942-273-30051 | Exxon Corp. | Kleberg, TXAlazan North (H-57 S) | PluggedGas | 7,965 | May 29, 1987 | — | — |
| Santa FE Ranch B #7842-215-31279 | Exxon Corp. | Hidalgo, TXSanta FE South (G-62 W) | PluggedGas | 8,925 | May 28, 1987 | — | — |
| Sarita Gas Unit No. 7 #542-261-30881 | Exxon Corp. | Kenedy, TXSarita (2-F SW) | PluggedGas | 3,850 | May 20, 1987 | — | — |
| King Ranch Stratton #P27042-273-31940 | Exxon Corp. | Kleberg, TXStratton (Zone T-3 NW.) | PluggedOil | 8,510 | May 14, 1987 | — | — |
| Kleberg R.J. Jr TR Zach. Pas St #1342-047-31065 | Exxon Corp. | Brooks, TXViboras (G-46 Viii NE.) | PluggedGas | 9,700 | May 8, 1987 | — | — |
| King Ranch Alazan #422 F42-273-32039 | Exxon Corp. | Kleberg, TXAlazan (All Zones) | PluggedOil | 7,600 | Apr 28, 1987 | — | — |
| King Ranch Alazan #124 D42-273-00741 | Exxon Corp. | Kleberg, TXAlazan (G-02) | PluggedGas | 7,300 | Apr 16, 1987 | — | — |
| Maco Stewart a A/C-1 #38 D42-167-01570 | Exxon Corp. | Galveston, TXDickinson (Frio 9 100) | PluggedOil | 9,700 | Apr 14, 1987 | — | — |
| South May Gas Unit #4 #142-261-30575 | Exxon Corp. | Kenedy, TXMay South (J-22) | PluggedGas | 10,600 | Apr 8, 1987 | — | — |
| Kleberg R.J. Jr TR Viboras Past #6642-047-30322 | Exxon Corp. | Brooks, TXViboras ( G-46 Viii) | PluggedGas | 8,800 | Mar 23, 1987 | — | — |
| McGill Bros. #28342-427-00244 | Exxon Corp. | Starr, TXKelsey South (Zone 18-B L) | PluggedOil | 6,110 | Mar 19, 1987 | — | — |
| Sarita Field Oil & Gas Unit #3242-261-00034 | Exxon Corp. | Kenedy, TXSarita (15-L N) | PluggedOil | 9,053 | Mar 12, 1987 | — | — |
| Kleberg R.J. Jr.tr.stillman #4442-489-30609 | Exxon Corp. | Willacy, TXTordilla (J-58) | PluggedGas | 10,400 | Mar 12, 1987 | — | — |
| King Ranch Borregos #599 F42-273-31816 | Exxon Corp. | Kleberg, TXBorregos (Zone N-17) | PluggedGas | 7,400 | Mar 11, 1987 | — | — |
| Santa FE Ranch #56 F42-047-30800 | Exxon Corp. | Brooks, TXSanta FE East (G-57 C) | PluggedGas | 8,650 | Mar 10, 1987 | — | — |
| Kenedy John G. Jr. G #342-261-30628 | Exxon Corp. | Kenedy, TXPasadizo (0-53) | PluggedGas | 17,500 | Mar 9, 1987 | — | — |
| King Ranch Morgan #m 7142-249-31218 | Exxon Corp. | Jim Wells, TXElpar (F-40 W) | PluggedOil | 6,325 | Mar 5, 1987 | — | — |
| King Ranch Borregos #7542-273-01328 | Exxon Corp. | Kleberg, TXBorregos (Zone R-3) | PluggedGas | 7,200 | Mar 4, 1987 | — | — |
| NO Lease Name Exists for This P4 #m 96 D42-273-31918 | Exxon Corp. | Kleberg, TXMagnolia City (F-86 N) | PluggedGas | 7,350 | Mar 4, 1987 | — | — |
| Sauz Ranch Mulatos Pasture #149 D42-489-00561 | Exxon Corp. | Willacy, TXWillamar West (Miocene 5650) | PluggedOil | 6,500 | Feb 25, 1987 | — | — |
| Cockburn H. C. #88 D42-481-03656 | Exxon Corp. | Wharton, TXMagnet Withers (F-11-B E.) | PluggedOil | 6,960 | Feb 20, 1987 | — | — |
| Kleberg Robt J. Jr.tr. Stillman #3142-261-30180 | Exxon Corp. | Kenedy, TXStillman (Shallow) | PluggedGas | 9,475 | Feb 17, 1987 | — | — |
| East S.K. Mrs. #127 D42-261-30644 | Exxon Corp. | Kenedy, TXRita (12-M III) | PluggedGas | 10,200 | Feb 17, 1987 | — | — |
| Bouldin-Taylor Gas Unit 1 #242-321-30888 | Exxon Corp. | Matagorda, TXSugar Valley S. (Frio 11000) | PluggedGas | 11,800 | Feb 11, 1987 | — | — |
| Scott & Hopper #4042-047-31057 | Exxon Corp. | Brooks, TXWildcat | PluggedOil | 9,300 | Feb 3, 1987 | — | — |