| Hamman E.H. #242-285-31468 | Petra Oleum Corp. | Lavaca, TXHope (Miocene 1250) | PluggedGas | 3,600 | Apr 27, 1993 | — | — |
| Averill Terrell Etta #342-469-01254 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | 2,860 | Mar 24, 1993 | — | — |
| Brennand a #142-335-33251 | Petra Oleum Corp. | Mitchell, TXWestbrook (Miss) | PluggedOil | 8,275 | Jan 6, 1993 | — | — |
| Murphy G #142-469-30529 | Petra Oleum Corp. | Victoria, TXGaffney (5800 Vicksburg) | PluggedGas | 5,912 | Dec 15, 1992 | — | — |
| Averill Terrell Etta #242-469-01253 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | 2,909 | Dec 10, 1992 | — | — |
| Averill Terrell Etta #1 A42-469-32896 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | Shut inOil | 2,950 | Feb 4, 1992 | — | — |
| Pena Niceforo Jr. No. 1 #142-427-31571 | Petra Oleum Corp. | Starr, TXSun East (4810) | PluggedOil | 8,500 | Aug 7, 1991 | — | — |
| Terrell a #642-469-01240 | Petra Oleum Corp. | Victoria, TXColetto Creek (4550) | Temporarily abandonedGas | 4,832 | May 20, 1991 | — | — |
| Terrell Etta -C- #1A42-469-01251 | Petra Oleum Corp. | Victoria, TXColetto Creek (3800 Frio) | PluggedGas | 3,760 | Aug 29, 1989 | — | — |
| Borchers William #11 L42-285-30250 | Petra Oleum Corp. | Lavaca, TXBorchers (1500) | PluggedGas | 4,430 | Aug 2, 1989 | — | — |
| Rutherford W. Z. #542-433-32480 | Petra Oleum Corp. | Stonewall, TXFlowers W. (Canyon Sand) | PluggedOil | 4,475 | Feb 23, 1989 | — | — |
| Preiss Arlis J. et UX #142-175-32159 | Petra Oleum Corp. | Goliad, TXFannin North (Frio) | PluggedGas | 4,000 | Jul 16, 1986 | — | — |
| House #142-025-32341 | Petra Oleum Corp. | Bee, TXHouse Field (Luling) | PluggedGas | 6,500 | Dec 30, 1985 | — | — |
| Averill Terrell Etta #2A42-469-32456 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | 2,910 | Dec 2, 1985 | — | — |
| Scott S.A. B #442-207-31668 | Petra Oleum Corp. | Haskell, TXObrien (Strawn) | PluggedOil | 5,000 | Feb 8, 1985 | — | — |
| Zimmer John #1142-469-32243 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | 5,000 | May 24, 1984 | — | — |
| Terrell -B- #942-469-30617 | Petra Oleum Corp. | Victoria, TXColetto Creek (4700) | ActiveInjection | 4,801 | Dec 20, 1983 | — | — |
| Terrell -B- #342-469-30423 | Petra Oleum Corp. | Victoria, TXColetto Creek (2250 Stray) | PluggedGas | 2,890 | Oct 4, 1983 | — | — |
| Albrecht -E- #242-175-31758 | Petra Oleum Corp. | Goliad, TXClip (Frio Upper) | PluggedGas | 4,150 | Jul 11, 1983 | — | — |
| Ramirez -B- #242-025-31533 | Petra Oleum Corp. | Bee, TXTynan East (Frio) | PluggedOil | 5,100 | May 13, 1983 | — | — |
| Zimmer #1 A42-469-01213 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | 4,911 | Sep 7, 1982 | — | — |
| Pribyl #342-469-01288 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | 2,912 | Sep 7, 1982 | — | — |
| Walter Koehn Gas Unit #142-285-31600 | Petra Oleum Corp. | Lavaca, TXKinkler (5700) | PluggedGas | 9,016 | Aug 13, 1981 | — | — |
| Kountze & Couch -a- #442-481-31934 | Petra Oleum Corp. | Wharton, TXLouise South (Frio 5450) | PluggedOil | 5,605 | Apr 18, 1980 | — | — |
| Terrell -B- #742-469-30105 | Petra Oleum Corp. | Victoria, TXColetto Creek (2600) | Temporarily abandonedGas | 4,812 | Mar 3, 1980 | — | — |
| Kountze & Couch #342-481-31822 | Petra Oleum Corp. | Wharton, TXLouise South (Frio 5170) | PluggedOil | 7,300 | Aug 20, 1979 | — | — |
| Kastner -a- #742-469-31242 | Petra Oleum Corp. | Victoria, TXColetto Creek (2100) | PluggedGas | 2,750 | Apr 19, 1978 | — | — |
| Stribling J. C. Jr. et al #142-151-10376 | Petra Oleum Corp. | Fisher, TXRough Draw (Noodle Creek) | PluggedOil | — | — | — | — |
| Stribling J. C. Jr. et al #242-151-10412 | Petra Oleum Corp. | Fisher, TXRough Draw (Noodle Creek) | PluggedOil | — | — | — | — |
| Albrecht W. D. -E- #142-175-30175 | Petra Oleum Corp. | Goliad, TXClip (Frio Lower) | PluggedGas | — | — | — | — |
| Scott S. A. #142-207-00084 | Petra Oleum Corp. | Haskell, TXHaskell County Regular | PluggedOil | — | — | — | — |
| Renger H. #142-285-30458 | Petra Oleum Corp. | Lavaca, TXWord N. (7200) | PluggedGas | — | — | — | — |
| Rutherford W. Z. #142-433-00225 | Petra Oleum Corp. | Stonewall, TXFlowers W. (Canyon Sand) | PluggedOil | — | — | — | — |
| Rutherford W. Z. #242-433-00226 | Petra Oleum Corp. | Stonewall, TXFlowers W. (Canyon Sand) | PluggedOil | — | — | — | — |
| Rutherford W. Z. #442-433-00228 | Petra Oleum Corp. | Stonewall, TXFlowers W. (Canyon Sand) | PluggedOil | — | — | — | — |
| Machalec #742-469-01002 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Dietzel F. F. Etal -a- #242-469-01222 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Dietzel F. F. Etal -a- #3A42-469-01223 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Dietzel F. F. Etal -a- #442-469-01224 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Terrell -a- #342-469-01238 | Petra Oleum Corp. | Victoria, TXColetto Creek (4700) | PluggedOil | — | — | — | — |
| Terrell -a- #542-469-01241 | Petra Oleum Corp. | Victoria, TXColetto Creek (4700) | PluggedOil | — | — | — | — |
| Terrell -a- #142-469-01243 | Petra Oleum Corp. | Victoria, TXColetto Creek (4700) | PluggedOil | — | — | — | — |
| Terrell -B- #142-469-01245 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Terrell -B- #242-469-01246 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Terrell -B- #442-469-01247 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Averill Terrell Etta #142-469-01252 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Averill Terrell Etta #742-469-01257 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | PluggedOil | — | — | — | — |
| Averill Terrell Etta #642-469-01258 | Petra Oleum Corp. | Victoria, TXColetto Creek | ActiveInjection | 4,454 | — | — | — |
| Zimmer John #342-469-01271 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | ActiveOil | 2,857 | — | — | — |
| Zimmer John #442-469-01272 | Petra Oleum Corp. | Victoria, TXColetto Creek (2800) | Shut inOil | 2,908 | — | — | — |