| Clardy, B.B. Unit #242-321-31101 | Mitchell Energy Corporationpermitted by · no operator of record | Matagorda, TXPalacios (Frio -F-) | Not on schedule | 10,000 | Apr 1, 1981 | — | — |
| Baer, A.G. Estate #1-A42-321-31102 | Lear Petroleum Exploration, Inc.permitted by · no operator of record | Matagorda, TX | Plugged | 16,140 | Mar 27, 1981 | — | — |
| State Tract 311 #142-321-31100 | Venus Oil Companypermitted by · no operator of record | Matagorda, TX | Plugged | 6,024 | Mar 25, 1981 | — | — |
| Hurst Ada Irene #b 142-321-00884 | Michael J. S. Company only | Matagorda, TXHuebner ( 9 270 Frio) | Not on scheduleGas | 9,500 | Mar 19, 1981 | — | — |
| Matthes, Fred T. #142-321-31099 | Ameritex Exploration, Inc.permitted by · no operator of record | Matagorda, TX | Plugged | 9,968 | Mar 19, 1981 | — | — |
| Royder Gas Unit #142-321-30958 | Peninsula Resources Corp. only | Matagorda, TXSugar Valley Sw.(frio 10 850) | PluggedGas | 11,500 | Mar 18, 1981 | — | — |
| Slone, Thomas E. #142-321-31098 | Bock & Baconpermitted by · no operator of record | Matagorda, TX | Plugged | 9,286 | Mar 18, 1981 | — | — |
| Kountze Charles #942-321-01358 | Pace Oil and Gas Company only | Matagorda, TXMarkham | PluggedOil | 4,225 | Mar 17, 1981 | — | — |
| State Tract 161 #142-321-31096 | Phoenix Resources Co.permitted by · no operator of record | Matagorda, TX | Plugged | 5,900 | Mar 11, 1981 | — | — |
| State Tract 161 #242-321-31097 | Phoenix Resources Co.permitted by · no operator of record | Matagorda, TX | Not on schedule | 6,200 | Mar 11, 1981 | — | — |
| Maddox C. G. Unit -B- #242-321-01947 | Getty Oil Co. only | Matagorda, TXPalacios (Frio -B-) | PluggedGas | 8,200 | Mar 9, 1981 | — | — |
| Old Ocean Unit #1942-321-00743 | Hilcorp Energy Company only | Matagorda, TXOld Ocean (F- 8) | ActiveGas | 11,062 | Mar 2, 1981 | — | — |
| Nelson H.J. #142-321-02394 | Unit Petroleum Company only | Matagorda, TXCollegeport North (C-2 Sand) | PluggedOil | 9,675 | Feb 24, 1981 | — | — |
| Watson F M Trust et al B #142-321-31094 | Atlas Operating LLC only | Matagorda, TXRugeley N. (13100) | ActiveOil | 13,800 | Feb 24, 1981 | — | — |
| Seerden Margaret Gilmore #142-321-31093 | Red Wolf Oil Company Inc. only | Matagorda, TXWadsworth (9000) | PluggedOil | 11,000 | Feb 20, 1981 | — | — |
| Trull #542-321-02308 | Tipco only | Matagorda, TXTrull (Tex-Miss #2-A) | PluggedOil | 12,005 | Feb 18, 1981 | — | — |
| Old Ocean Unit #5442-321-00762 | Hilcorp Energy Company only | Matagorda, TXOld Ocean (Armstrong) | Shut inOil | 10,271 | Feb 17, 1981 | — | — |
| South Texas Development Company #142-321-00713 | Mobil Producing TX. & N.M. Inc. only | Matagorda, TXOld Ocean (Armstrong) | PluggedOil | 10,388 | Feb 12, 1981 | — | — |
| Slone #142-321-31091 | Drake Energy, Inc.permitted by · no operator of record | Matagorda, TX | Plugged | 9,088 | Feb 10, 1981 | — | — |
| Lewis, Frank #142-321-31092 | Dawson Exploration, Incpermitted by · no operator of record | Matagorda, TX | Plugged | 10,800 | Feb 10, 1981 | — | — |
| Reeves P. J. Unit #1 D42-321-00708 | Amoco Production Co.-Alvin only | Matagorda, TXOld Ocean (Armstrong) | PluggedOil | 10,244 | Feb 3, 1981 | — | — |
| State Tract 310 #1 L42-321-31050 | Burgard Trustee only | Matagorda, TXOliver Point S. (4000) | PluggedGas | 6,000 | Jan 30, 1981 | — | — |
| Blessing D #42 H42-321-01880 | Gulf Exploration Corporation only | Matagorda, TXWildcat | PluggedOil | 8,633 | Jan 29, 1981 | — | — |
| State Tract 194 #342-321-30835 | BKN Oil & Gas Inc. only | Matagorda, TXMatagorda Bay Ne.(miocene 2700) | PluggedGas | 3,000 | Jan 28, 1981 | — | — |
| Hurst A.I. #b 242-321-00902 | Outline Oil Company LLC only | Matagorda, TXHuebner ( 9 270 Frio) | PluggedGas | 9,500 | Jan 26, 1981 | — | — |
| Pierce Estate "G" #142-321-31087 | Prairie Producing Companypermitted by · no operator of record | Matagorda, TX | Plugged | 8,229 | Jan 26, 1981 | — | — |
| Richers a #142-321-30850 | TXO Production Corp. only | Matagorda, TXHamman East ( 9 900 Frio) | PluggedOil | 11,650 | Jan 14, 1981 | — | — |
| Pierce Estate "F" #142-321-31085 | Prairie Producing Companypermitted by · no operator of record | Matagorda, TX | Plugged | 8,278 | Jan 14, 1981 | — | — |
| Baer, A.G. Estate #142-321-31086 | Lear Petroleum Exploration, Inc.permitted by · no operator of record | Matagorda, TX | Not on schedule | 18,000 | Jan 14, 1981 | — | — |
| Wolf Louis #142-321-01659 | Huber J. M. Corporation only | Matagorda, TXLucky West (Frio 8000) | PluggedOil | 10,745 | Dec 31, 1980 | — | — |
| Cornelius #142-321-31078 | Petroleum Corp. of Delaware, Thepermitted by · no operator of record | Matagorda, TX | Plugged | 8,200 | Dec 31, 1980 | — | — |
| Letulle Unit #142-321-31080 | Expando Oil Companypermitted by · no operator of record | Matagorda, TXCollegeport (2880) | Plugged | 3,110 | Dec 31, 1980 | — | — |
| Pennington, N.K. #142-321-31083 | Texoma Production Companypermitted by · no operator of record | Matagorda, TXSimpsonville (10 300) | Plugged | 11,325 | Dec 31, 1980 | — | — |
| Ohio-Sun Unit #12A42-321-00047 | Goldking Minerals Mgmt L.L.C. only | Matagorda, TXMarkham N.-Bay City N (7685) | Shut inOil | 8,125 | Dec 23, 1980 | — | — |
| John F. Grant #242-321-00603 | Exxon Corp. only | Matagorda, TXWildcat | PluggedOil | 9,144 | Dec 22, 1980 | — | — |
| Pierce Estate #142-321-31077 | Wainoco Oil & Gas Companypermitted by · no operator of record | Matagorda, TX | Plugged | 9,800 | Dec 22, 1980 | — | — |
| State Tract 276 #142-321-31074 | Genesis Petroleum Corporationpermitted by · no operator of record | Matagorda, TX | Plugged | 6,510 | Dec 16, 1980 | — | — |
| Lewis, Frank H. #142-321-31073 | Kaiser Oil (U S) Ltd.permitted by · no operator of record | Matagorda, TX | Plugged | 9,520 | Dec 12, 1980 | — | — |
| State Tract 140 #142-321-30076 | Saluria Operating Co. Inc. only | Matagorda, TXShipwreck Shoal (Miocene 3100) | PluggedGas | 6,004 | Dec 11, 1980 | — | — |
| State Tract 170 #242-321-31071 | Houston Oil & Minerals Corp.permitted by · no operator of record | Matagorda, TX | Plugged | 6,000 | Dec 9, 1980 | — | — |
| Burke Frances P. et al Unit #242-321-31070 | Sandel Operating Company only | Matagorda, TXMellon (10500) | PluggedGas | 11,500 | Dec 8, 1980 | — | — |
| Steele #342-321-31067 | TXO Production Corp. only | Matagorda, TXDuncan Slough S. (Frio Lo.) | PluggedGas | 11,800 | Dec 5, 1980 | — | — |
| Runnells-Pierce Ranch #1A42-321-31068 | Joyce & Hilty, Inc.permitted by · no operator of record | Matagorda, TX | Plugged | 6,616 | Dec 5, 1980 | — | — |
| Pierce Ranch #142-321-31069 | Richards Producing Companypermitted by · no operator of record | Matagorda, TX | Plugged | 3,813 | Dec 5, 1980 | — | — |
| Ohio-Sun Unit #16J42-321-80739 | Goldking Minerals Mgmt L.L.C. only | Matagorda, TXMarkham N.-Bay City N (7685) | Shut inOil | 7,850 | Nov 20, 1980 | — | — |
| Heffelfinger #1 L42-321-30479 | Sanchez-O Brien Oil & Gas Corp. only | Matagorda, TXTidehaven E. (9250) | PluggedGas | 9,863 | Nov 17, 1980 | — | — |
| Heffelfinger #2 T42-321-30490 | Sanchez-O Brien Oil & Gas Corp. only | Matagorda, TXTidehaven E. (10200) | PluggedGas | 12,025 | Nov 17, 1980 | — | — |
| Savage Stewart #142-321-31064 | Sandefer Oil & Gas Inc. only | Matagorda, TXWadsworth ( CH-1) | PluggedOil | 9,000 | Nov 7, 1980 | — | — |
| Salsbury #1 #1 L42-321-02351 | Atlantic Richfield Co. only | Matagorda, TXButtermilk (Nodosaria 10 000) | PluggedGas | 10,099 | Nov 5, 1980 | — | — |
| Gest #242-321-31062 | BT Operating Co. only | Matagorda, TXMellon (TM-4) | PluggedGas | 10,700 | Oct 30, 1980 | — | — |