| F.V.W. Heard B #2242-391-31440 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (Area) | PluggedOil | 6,812 | Apr 23, 2007 | — | — |
| Spielhagan Bobby #142-025-32811 | CTR Petroleum Inc. | Bee, TXCosden West | PluggedOil | 8,100 | Nov 9, 2001 | — | — |
| Heard-State Unit #2 #20442-391-30462 | CTR Petroleum Inc. | Refugio, TXRefugio New (2450) | PluggedGas | 3,812 | Oct 25, 2001 | — | — |
| Davenport O. H. #542-391-02520 | CTR Petroleum Inc. | Refugio, TXRefugio New (4500) | PluggedOil | 6,225 | Aug 4, 2000 | — | — |
| Heard A. W. J. C #1642-391-30461 | CTR Petroleum Inc. | Refugio, TXRefugio New (1450) | PluggedGas | 4,065 | Dec 2, 1997 | — | — |
| Spielhagen Bobby #342-025-32857 | CTR Petroleum Inc. | Bee, TXPettus (2200) | PluggedGas | 1,200 | Nov 14, 1997 | — | — |
| Davenport O. H. #842-391-02523 | CTR Petroleum Inc. | Refugio, TXMission River | PluggedOil | 5,540 | Sep 12, 1997 | — | — |
| Spielhagen Bobby #242-025-32831 | CTR Petroleum Inc. | Bee, TXPettus (2200) | PluggedGas | 1,200 | Jun 20, 1997 | — | — |
| Heard State Unit #2 #20642-391-31974 | CTR Petroleum Inc. | Refugio, TXRefugio New (3150) | Not on scheduleGas | 3,820 | Apr 7, 1997 | — | — |
| Heard F.V.W. B #2142-391-02578 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (5350) | PluggedOil | 6,190 | Dec 30, 1996 | — | — |
| Heard-State Unit #2 #20542-391-30459 | CTR Petroleum Inc. | Refugio, TXRefugio New (2350) | PluggedGas | 3,753 | Nov 27, 1996 | — | — |
| Heard A. W. J. C #1242-391-02608 | CTR Petroleum Inc. | Refugio, TXRefugio New (1900) | PluggedGas | 5,844 | Apr 18, 1996 | — | — |
| Volkmer #142-239-30690 | CTR Petroleum Inc. | Jackson, TXTexana (Miocene 4200) | PluggedGas | 6,819 | Mar 1, 1996 | — | — |
| Heard-State Unit #1 #12642-391-31442 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (5350) | PluggedOil | 6,812 | Mar 1, 1996 | — | — |
| Rooke F.B. B #142-391-31941 | CTR Petroleum Inc. | Refugio, TXRefugio New (1450) | PluggedGas | 4,060 | Aug 31, 1994 | — | — |
| Churchill Unit #442-391-31572 | CTR Petroleum Inc. | Refugio, TXLa Rosa (6750 Above Gas) | PluggedGas | 8,600 | Aug 1, 1994 | — | — |
| Davenport O.H. #342-391-02518 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (1600) | PluggedGas | 1,770 | Jul 25, 1994 | — | — |
| Welder J. F. #342-391-00622 | CTR Petroleum Inc. | Refugio, TXGreta (L- 3) | PluggedGas | 4,040 | Feb 16, 1994 | — | — |
| Heard - State Unit #1 #12242-391-02341 | CTR Petroleum Inc. | Refugio, TXRefugio Old (1500) | PluggedGas | 6,950 | Oct 5, 1993 | — | — |
| Heard A.W.J. a #442-391-30460 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (Area) | PluggedGas | 920 | Sep 2, 1993 | — | — |
| Heard- State Unit #2 #21742-391-02231 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (1600) | PluggedGas | 1,610 | Mar 24, 1993 | — | — |
| Heard State Unit #1 #20142-391-03888 | CTR Petroleum Inc. | Refugio, TXRefugio Old (2100) | PluggedGas | 7,041 | Nov 9, 1992 | — | — |
| Heard - State Unit #1 #20242-391-30356 | CTR Petroleum Inc. | Refugio, TXRefugio New (1900) | PluggedGas | 5,700 | Oct 27, 1992 | — | — |
| Heard A.W.J. a #542-391-31954 | CTR Petroleum Inc. | Refugio, TXRefugio New (1700) | PluggedGas | 4,000 | Oct 16, 1992 | — | — |
| Heard C.E. #342-391-02297 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (1600) | PluggedGas | 3,430 | Feb 19, 1992 | — | — |
| Heard A.W.J. C #1442-391-02736 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (3100) | PluggedGas | 3,300 | Oct 25, 1991 | — | — |
| Heard-State Unit #2 #20342-391-30361 | CTR Petroleum Inc. | Refugio, TXRefugio New (3670) | PluggedOil | 6,419 | Oct 23, 1990 | — | — |
| Davenport O.H. #1042-391-02525 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (6000) | PluggedGas | 6,221 | Feb 23, 1989 | — | — |
| Heard J.F.B. #842-391-31280 | CTR Petroleum Inc. | Refugio, TXGreta (L- 5) | PluggedGas | 6,200 | Jun 21, 1988 | — | — |
| Welder J. F. #542-391-00623 | CTR Petroleum Inc. | Refugio, TXGreta (L- 5) | PluggedGas | 3,440 | Jan 7, 1986 | — | — |
| Heard J. F. B. #442-391-00824 | CTR Petroleum Inc. | Refugio, TXGreta (L- 2) | PluggedGas | 5,930 | Jan 30, 1984 | — | — |
| Heard J. F. B. #642-391-00826 | CTR Petroleum Inc. | Refugio, TXGreta (L- 5) | PluggedGas | 2,860 | Jan 30, 1984 | — | — |
| Demmer #142-391-31670 | CTR Petroleum Inc. | Refugio, TXLa Rosa (Consolidated Oil) | PluggedOil | 6,400 | Sep 21, 1983 | — | — |
| Toland #242-391-03513 | CTR Petroleum Inc. | Refugio, TXLa Rosa (Consolidated Oil) | PluggedOil | 6,290 | May 2, 1983 | — | — |
| Toland #142-391-03903 | CTR Petroleum Inc. | Refugio, TXLa Rosa (Consolidated Oil) | PluggedOil | 6,300 | Apr 4, 1983 | — | — |
| Welder J. F. #142-391-31535 | CTR Petroleum Inc. | Refugio, TXGreta (L- 5) | PluggedGas | 7,500 | Mar 15, 1983 | — | — |
| Carlson-Jacobs Unit #142-149-31091 | CTR Petroleum Inc. | Fayette, TXGiddings (Austin Chalk-3) | PluggedOil | 10,000 | May 27, 1981 | — | — |
| Heard A.W.J. -C- #1742-391-31446 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (Area) | PluggedOil | 6,500 | Jan 23, 1981 | — | — |
| Heard State Unit #2 #22642-391-02240 | CTR Petroleum Inc. | Refugio, TXRefugio Old (1500) | PluggedGas | 3,752 | Sep 4, 1980 | — | — |
| Spielhagen Inez -C- #142-025-00257 | CTR Petroleum Inc. | Bee, TXCosden West | PluggedOil | 7,385 | Sep 14, 1979 | — | — |
| Heard A. W. J. #342-391-02354 | CTR Petroleum Inc. | Refugio, TXRefugio Heard (6000) | PluggedGas | 6,226 | Sep 13, 1979 | — | — |