| King Ranch Seeligson #C178 F42-249-03751 | Exxon Corp. | Jim Wells, TXSeeligson (Zone 21-E West) | PluggedGas | 7,825 | Feb 2, 1987 | — | — |
| Montalvo N.R. & E.A. #2542-427-30089 | Exxon Corp. | Starr, TXSun (D-3 W.) | PluggedOil | 4,890 | Jan 29, 1987 | — | — |
| Sauz Ranch Mulatos Pasture #12042-489-00210 | Exxon Corp. | Willacy, TXWillamar West (Miocene 6300) | PluggedOil | 8,000 | Jan 22, 1987 | — | — |
| Santa FE Ranch -B- #15 T42-215-00017 | Exxon Corp. | Hidalgo, TXSanta FE South (G-62) | PluggedGas | 9,300 | Jan 16, 1987 | — | — |
| Santa FE Ranch #7642-047-31100 | Exxon Corp. | Brooks, TXSanta FE South (5840) | PluggedGas | 10,010 | Jan 8, 1987 | — | — |
| Armstrong Charles M. #7042-261-30724 | Exxon Corp. | Kenedy, TXCandelaria (J-47 E.) | PluggedGas | 10,815 | Dec 30, 1986 | — | — |
| Elkins Herman W. #142-263-31236 | Exxon Corp. | Kent, TXWildcat | PluggedOil | 8,000 | Dec 30, 1986 | — | — |
| Trinity Bay State Unit 1 #3942-071-02553 | Exxon Corp. | Chambers, TXTrinity Bay (Frio 5 East) | PluggedGas | 8,410 | Dec 16, 1986 | — | — |
| McGill Bros. #48042-427-31587 | Exxon Corp. | Starr, TXKelsey South (Zone 18-D C) | PluggedOil | 7,800 | Dec 11, 1986 | — | — |
| Sarita Gas Unit No. 8 #142-261-30813 | Exxon Corp. | Kenedy, TXSarita (AA) | PluggedGas | 2,650 | Nov 20, 1986 | — | — |
| FR Tract 44 #6342-071-02737 | Exxon Corp. | Chambers, TXFishers Reef (Frio 6) | PluggedGas | 8,815 | Nov 14, 1986 | — | — |
| Armstrong Charles M. -Z- #3142-261-30119 | Exxon Corp. | Kenedy, TXDon Tomas (J-39) | PluggedGas | 10,200 | Nov 10, 1986 | — | — |
| Roscoe Josie Miller Mrs. #742-355-31581 | Exxon Corp. | Nueces, TXFlour Bluff (I-32) | PluggedOil | 8,925 | Nov 7, 1986 | — | — |
| Falke O.B. #142-287-30720 | Exxon Corp. | Lee, TXGiddings (Austin Chalk-3) | PluggedOil | 8,500 | Nov 4, 1986 | — | — |
| Deutrich R. a/C #2 #1542-015-00299 | Exxon Corp. | Austin, TXRaccoon Bend (Miocene Z) | PluggedOil | 4,200 | Oct 15, 1986 | — | — |
| McGill Brothers #24442-247-02515 | Exxon Corp. | Jim Hogg, TXKelsey Deep (Zone 22-R) | PluggedGas | 7,250 | Oct 15, 1986 | — | — |
| Sarita Field Oil & Gas Unit #19942-261-31037 | Exxon Corp. | Kenedy, TXSarita (14-H C) | PluggedGas | 9,000 | Oct 6, 1986 | — | — |
| Cockburn H. C. #89 F42-481-20078 | Exxon Corp. | Wharton, TXMagnet Withers | PluggedGas | 6,460 | Oct 6, 1986 | — | — |
| Montalvo N.R. & E.A. #2942-427-31705 | Exxon Corp. | Starr, TXSun (6000) | PluggedGas | 8,500 | Sep 16, 1986 | — | — |
| Kleburg RJ Jr TR Qutr Past. #121 F42-047-31419 | Exxon Corp. | Brooks, TXViboras (F-36) | PluggedOil | 8,400 | Sep 12, 1986 | — | — |
| East S.K. Mrs. #11042-261-30549 | Exxon Corp. | Kenedy, TXRita (6-F-II-A) | PluggedGas | 9,300 | Sep 12, 1986 | — | — |
| Kenedy John G. Jr. E #4342-261-30786 | Exxon Corp. | Kenedy, TXEl Paistle (I-12) | PluggedOil | 9,800 | Sep 12, 1986 | — | — |
| Erwin Wilson Oil Unit #142-013-32580 | Exxon Corp. | Atascosa, TXCharlotte (Edwards Lime) | PluggedOil | 8,000 | Aug 18, 1986 | — | — |
| Kleberg IR TR Zach Past State #642-047-30820 | Exxon Corp. | Brooks, TXViboras (K-50) | PluggedGas | 12,400 | Jul 30, 1986 | — | — |
| Brunson James L. -D- #107 T42-081-00313 | Exxon Corp. | Coke, TXBronte (Cambrian) | PluggedOil | 5,514 | Jul 28, 1986 | — | — |
| King Ranch Borregos #56542-273-31577 | Exxon Corp. | Kleberg, TXBorregos (Zone S-7 SW) | PluggedGas | 8,225 | Jul 25, 1986 | — | — |
| E Ham 8250 GU 3 #142-089-31144 | Exxon Corp. | Colorado, TXHamel East (8250) | PluggedGas | 11,000 | Jul 22, 1986 | — | — |
| Norvell L. T. #142-201-00578 | Exxon Corp. | Harris, TXTomball | PluggedOil | 5,564 | Jul 4, 1986 | — | — |
| Godwin J. W. #8 F42-409-01985 | Exxon Corp. | San Patricio, TXTaft Deep (a-2 Sand) | PluggedOil | 6,700 | Jul 1, 1986 | — | — |
| South Dubina Oil Unit 6 #142-089-31329 | Exxon Corp. | Colorado, TXDubina South (9080) | PluggedOil | 10,000 | Jun 25, 1986 | — | — |
| Stallones B. E. B #342-201-00381 | Exxon Corp. | Harris, TXTomball (Miocene 3320) | PluggedGas | 5,580 | Jun 24, 1986 | — | — |
| Trad Amado B #342-047-30796 | Exxon Corp. | Brooks, TXScott & Hopper | PluggedGas | 7,800 | Jun 13, 1986 | — | — |
| McGill Bros. #415 F42-427-30015 | Exxon Corp. | Starr, TXKelsey ( K-5) | PluggedGas | 6,400 | Jun 12, 1986 | — | — |
| D.C.R.C. a #442-131-35108 | Exxon Corp. | Duval, TXGovt. Wells N. (A-93) | PluggedGas | 2,850 | Jun 9, 1986 | — | — |
| Womack Jane Estate #342-355-32413 | Exxon Corp. | Nueces, TXPerro Rojo (I-68) | PluggedGas | 10,070 | Jun 9, 1986 | — | — |
| King Ranch Borregos #586 F42-273-31709 | Exxon Corp. | Kleberg, TXBorregos (Zone F-3) | PluggedGas | 7,150 | May 20, 1986 | — | — |
| King Ranch Borregos #602 F42-273-31829 | Exxon Corp. | Kleberg, TXBorregos (Zone N-23 C) | PluggedGas | 6,935 | May 15, 1986 | — | — |
| Conroe Field Unit #100542-339-00585 | Exxon Corp. | Montgomery, TXConroe ( Cockfield Upper) | PluggedOil | 5,157 | May 8, 1986 | — | — |
| Viboras Field Gas Unit NO 1 #v 72 D42-047-30609 | Exxon Corp. | Brooks, TXViboras ( Massive Second) | PluggedGas | 9,000 | May 5, 1986 | — | — |
| Oconnor Mary Ellen -B- #1342-391-01883 | Exxon Corp. | Refugio, TXMary Ellen Oconnor (FT-5) | PluggedOil | 6,200 | Apr 25, 1986 | — | — |
| Oconnor Mary Ellen -a- #2242-391-01915 | Exxon Corp. | Refugio, TXMary Ellen Oconnor (FQ- 5) | PluggedGas | 5,990 | Apr 23, 1986 | — | — |
| King Ranch Alazan #312 F42-273-31280 | Exxon Corp. | Kleberg, TXHinojosa North (E-95 S) | PluggedGas | 9,400 | Apr 22, 1986 | — | — |
| King Ranch Borregos #51142-273-30352 | Exxon Corp. | Kleberg, TXBorregos (Zone N-23 NW.) | PluggedGas | 7,500 | Apr 18, 1986 | — | — |
| Lockwood & Sharp -B- #2242-157-02490 | Exxon Corp. | Fort Bend, TXThompson SW. (Miocene 13A-1) | PluggedOil | 5,430 | Apr 16, 1986 | — | — |
| King Ranch Canelo #642-273-01242 | Exxon Corp. | Kleberg, TXCanelo (H-30 U) | PluggedOil | 8,507 | Apr 14, 1986 | — | — |
| King Ranch Motas Negras #442-273-31264 | Exxon Corp. | Kleberg, TXMotas Negras | PluggedOil | 7,650 | Apr 8, 1986 | — | — |
| Hirsch F. H. #142-201-80077 | Exxon Corp. | Harris, TXTomball | PluggedGas | 5,579 | Mar 31, 1986 | — | — |
| Blaschke Mayo #1942-409-31800 | Exxon Corp. | San Patricio, TXPlymouth (I-35) | PluggedGas | 9,070 | Mar 31, 1986 | — | — |
| Schroeder T.S. Est. B #142-003-34825 | Exxon Corp. | Andrews, TXDeep Rock (Penn.) | PluggedOil | 9,715 | Mar 25, 1986 | — | — |
| Edwards R.W. a #242-051-32936 | Exxon Corp. | Burleson, TXGiddings (Austin Chalk-3) | PluggedOil | 8,760 | Mar 17, 1986 | — | — |