| Prospector a #2HZ42-317-34014 | Placid Oil Company | Martin, TXNugget (Lower Mississippian) | PluggedOil | 12,553 | Mar 21, 2001 | — | — |
| Tom Cat #142-165-31803 | Placid Oil Company | Gaines, TXGlasco East (Devonian) | PluggedOil | 14,200 | Jan 9, 1992 | — | — |
| King J.H. B #12HZ42-163-32798 | Placid Oil Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 8,386 | Aug 6, 1990 | — | — |
| Pecan Grove Association #142-157-31835 | Placid Oil Company | Fort Bend, TXPecan Grove (8000) | Plugged | 9,032 | Jul 11, 1990 | — | — |
| Wolf, A.C. #1A42-027-30125 | Placid Oil Company | Bell, TX | Plugged | 7,640 | Dec 31, 1982 | — | — |
| Hart et al #142-217-30233 | Placid Oil Company | Hill, TX | Not on schedule | 10,000 | Aug 10, 1982 | — | — |
| Schiller, Charles #142-015-30526 | Placid Oil Company | Austin, TX | Not on schedule | 15,000 | Aug 2, 1982 | — | — |
| Wolf, A.C. #142-027-30118 | Placid Oil Company | Bell, TX | Plugged | 3,917 | Mar 12, 1982 | — | — |
| Roberts & Mueller #1042-071-81890 | Placid Oil Company | Chambers, TXHigh Island | Not on schedule | 8,400 | Jun 23, 1981 | — | — |
| Bellville Ind. Sch. Dist. #142-015-30480 | Placid Oil Company | Austin, TXWildcat | PluggedOil | 22,500 | Apr 15, 1981 | — | — |
| Dreahn #1 #142-473-30338 | Placid Oil Company | Waller, TX | Plugged | 24,348 | Feb 20, 1981 | — | — |
| Pfeffer, A. #142-473-30336 | Placid Oil Company | Waller, TX | Plugged | 19,755 | Dec 5, 1980 | — | — |
| King J.H. B #542-163-31792 | Placid Oil Company | Frio, TXPearsall (Austin Chalk) | PluggedOil | 7,000 | Jun 23, 1980 | — | — |
| Dorrance #e 242-373-30470 | Placid Oil Company | Polk, TXDamascus (Seamans) | PluggedGas | 9,500 | May 1, 1980 | — | — |
| Lillie Buller #242-473-30326 | Placid Oil Company | Waller, TXWildcat | PluggedOil | 19,500 | Apr 17, 1980 | — | — |
| Temple Eastex #242-455-30329 | Placid Oil Company | Trinity, TX | Plugged | 9,350 | Feb 28, 1980 | — | — |
| Motheral, B. R. #142-473-30322 | Placid Oil Company | Waller, TX | Not on schedule | 17,000 | Feb 7, 1980 | — | — |
| Kollatschny, Alva G. et al #142-015-30452 | Placid Oil Company | Austin, TX | Plugged | 24,212 | Jan 10, 1980 | — | — |
| Dorrance #e 142-373-30457 | Placid Oil Company | Polk, TXDamascus (Woodbine) | PluggedGas | 9,500 | Jan 7, 1980 | — | — |
| Williams #142-419-30307 | Placid Oil Company | Shelby, TX | Not on schedule | 9,000 | Dec 21, 1979 | — | — |
| Sorsby Elizabeth et al #142-473-30320 | Placid Oil Company | Waller, TXPang-Llan (19130) | PluggedGas | 25,000 | Dec 10, 1979 | — | — |
| Camp Wallace GH Gas Unit #1 #142-167-80962 | Placid Oil Company | Galveston, TX | Not on schedule | 11,677 | Nov 1, 1979 | — | — |
| Dorrance #D142-373-30450 | Placid Oil Company | Polk, TX | Plugged | 9,575 | Oct 22, 1979 | — | — |
| Scates #142-419-30302 | Placid Oil Company | Shelby, TX | Plugged | 8,575 | Oct 18, 1979 | — | — |
| Henley #142-405-30099 | Placid Oil Company | San Augustine, TX | Plugged | 8,034 | Oct 17, 1979 | — | — |
| Prause, George #142-015-30439 | Placid Oil Company | Austin, TX | Plugged | 14,400 | Sep 12, 1979 | — | — |
| Buller, Lillie #142-473-30313 | Placid Oil Company | Waller, TX | Plugged | 18,550 | Aug 8, 1979 | — | — |
| Dorrance #C142-373-30442 | Placid Oil Company | Polk, TX | Plugged | 10,000 | Jul 27, 1979 | — | — |
| Dorrance #B142-373-30437 | Placid Oil Company | Polk, TXDamascus (Woodbine) | Plugged | 9,621 | Jun 26, 1979 | — | — |
| Lowry, Grace Unit #1 #142-365-80550 | Placid Oil Company | Panola, TXBethany (Rodessa) | Not on schedule | 6,556 | Jun 21, 1979 | — | — |
| Dittert, Richard F. #142-015-30427 | Placid Oil Company | Austin, TX | Plugged | 22,286 | May 23, 1979 | — | — |
| Murphy, K. S. #142-373-30416 | Placid Oil Company | Polk, TXDamascus (Woodbine) | Plugged | 9,500 | Sep 26, 1978 | — | — |
| Glass A. C. et al #2 C42-007-00261 | Placid Oil Company | Aransas, TXFulton Beach (B-2) | Not on scheduleGas | — | — | — | — |
| Airport Unit 1 #142-007-00380 | Placid Oil Company | Aransas, TXFulton Beach East (B-2) | Not on scheduleGas | — | — | — | — |
| 142-007-00401 | Placid Oil Company | Aransas, TXFulton Beach East (B-2) | Not on scheduleGas | — | — | — | — |
| Roberts & Mueller #142-071-02201 | Placid Oil Company | Chambers, TXHigh Island | PluggedGas | — | — | — | — |
| Camp Wallace G #g 1 D42-167-01394 | Placid Oil Company | Galveston, TXFranks (Banfield FB 1-A) | Not on scheduleGas | — | — | — | — |
| 2 T42-167-01398 | Placid Oil Company | Galveston, TXFranks (Schenck Sand) | Not on scheduleOil | — | — | — | — |
| G 3 U42-167-01399 | Placid Oil Company | Galveston, TXFranks (Banfield) | Not on scheduleGas | — | — | — | — |
| 142-167-01401 | Placid Oil Company | Galveston, TXFranks (Weiting Lower) | Not on scheduleGas | — | — | — | — |
| Franks C.E. et al Oil Unit #4 #142-167-01430 | Placid Oil Company | Galveston, TXFranks (Schenck Sand) | Not on scheduleOil | — | — | — | — |
| Thompson C.S. et al Oil Unit 1 #142-167-01466 | Placid Oil Company | Galveston, TXAlta Loma (10200 Frio) | PluggedGas | — | — | — | — |
| Lobit Louis G. Unit #1 #142-167-01470 | Placid Oil Company | Galveston, TXFranks (Weiting Upper) | PluggedGas | — | — | — | — |
| 242-167-01896 | Placid Oil Company | Galveston, TXFranks (Weiting Upper) | Not on scheduleGas | — | — | — | — |
| 642-167-80047 | Placid Oil Company | Galveston, TXHigh Island | Not on scheduleGas | — | — | — | — |
| Camp Wallace G-H Unit #1 #1 L42-167-81039 | Placid Oil Company | Galveston, TXFranks (Weiting Upper) | Not on scheduleGas | — | — | — | — |
| 242-203-00043 | Placid Oil Company | Harrison, TXWhelan (Travis Peak) | Not on scheduleGas | — | — | — | — |
| Furrh Unit #2 #1 T42-365-00249 | Placid Oil Company | Panola, TXBethany (Travis Peak) | PluggedGas | — | — | — | — |
| M. Boulware et al Unit 1 #1 T42-365-00251 | Placid Oil Company | Panola, TXBethany (Travis Peak) | PluggedGas | — | — | — | — |
| 1 C42-365-00265 | Placid Oil Company | Panola, TXBethany (Pettit) | Not on scheduleGas | — | — | — | — |