| Heard Claud E. Etal #242-391-00665 | Quintana Pet. Corp. | Refugio, TXTom Oconnor (5800) | PluggedOil | 5,960 | Aug 9, 2004 | — | — |
| Heard Claude E. #3042-391-00657 | Quintana Pet. Corp. | Refugio, TXTom O Connor (4925) | PluggedGas | 5,980 | Aug 31, 1999 | — | — |
| Williams Maude et al a #D104J42-391-00334 | Quintana Pet. Corp. | Refugio, TXLake Pasture (L-200) | PluggedGas | 5,900 | Mar 11, 1999 | — | — |
| South Texas Syndicate -a- #1342-283-00166 | Quintana Pet. Corp. | La Salle, TXWashburn Ranch West (4600) | PluggedOil | 5,658 | Jul 24, 1997 | — | — |
| Williams Maude et al -a- #d 63 F42-391-00217 | Quintana Pet. Corp. | Refugio, TXLake Pasture (E-293) | PluggedGas | 5,848 | Jan 28, 1997 | — | — |
| Williams Maude et al a #d 38D42-391-03894 | Quintana Pet. Corp. | Refugio, TXLake Pasture (E-219) | PluggedGas | 5,760 | May 10, 1996 | — | — |
| Williams Maude et al a #d 56F42-391-00216 | Quintana Pet. Corp. | Refugio, TXLake Pasture (L-206) | PluggedGas | 5,826 | Mar 29, 1996 | — | — |
| Williams Maude et al a #d 7842-391-30327 | Quintana Pet. Corp. | Refugio, TXLake Pasture (L-206) | PluggedGas | 4,670 | Jan 22, 1996 | — | — |
| Williams Maude et al a #d 4242-391-03882 | Quintana Pet. Corp. | Refugio, TXLake Pasture (C-406) | PluggedGas | 5,750 | Nov 15, 1995 | — | — |
| O Connor Thomas B #5342-391-32112 | Quintana Pet. Corp. | Refugio, TXMelon Creek East (6550) | PluggedOil | 9,000 | May 22, 1995 | — | — |
| Heard Ira -B- #842-391-00743 | Quintana Pet. Corp. | Refugio, TXGreta (L- 5) | PluggedGas | 5,951 | May 12, 1995 | — | — |
| Hastedt Emma #12-F42-089-31697 | Quintana Pet. Corp. | Colorado, TXColumbus (9-C) | PluggedGas | 11,550 | Jun 17, 1994 | — | — |
| South Texas Syndicate a #742-283-00157 | Quintana Pet. Corp. | La Salle, TXWashburn Ranch (Mula Sand 5100) | PluggedGas | 5,574 | Oct 21, 1993 | — | — |
| South Texas Syndicate a #2542-283-00149 | Quintana Pet. Corp. | La Salle, TXWashburn Ranch (4600) | PluggedGas | 5,578 | Oct 19, 1993 | — | — |
| South Texas Syndicate a #442-283-00156 | Quintana Pet. Corp. | La Salle, TXWashburn Ranch (4850) | PluggedGas | 5,220 | Oct 8, 1993 | — | — |
| Claire Mary Bauer et Vir #1SG42-391-00818 | Quintana Pet. Corp. | Refugio, TXGreta (L-10) | PluggedGas | 2,410 | May 19, 1993 | — | — |
| Williams Maude et al a #3242-391-81954 | Quintana Pet. Corp. | Refugio, TXGreta (L- 5) | PluggedGas | 5,920 | Nov 23, 1992 | — | — |
| O Connor Thomas B #2642-391-01807 | Quintana Pet. Corp. | Refugio, TXMary Ellen Oconnor (FS-1) | PluggedGas | 6,200 | Oct 22, 1992 | — | — |
| O Connor Thomas a #10942-391-01482 | Quintana Pet. Corp. | Refugio, TXTom Oconnor (4200) | PluggedGas | 5,625 | Aug 19, 1991 | — | — |
| Williams Maude et al C #142-391-00500 | Quintana Pet. Corp. | Refugio, TXTom Oconnor (4200) | PluggedGas | 5,914 | May 7, 1991 | — | — |
| O Connor Thomas C #6442-391-01178 | Quintana Pet. Corp. | Refugio, TXTom Oconnor (3500) | PluggedGas | 4,522 | Jan 15, 1991 | — | — |
| Oconnor Thomas -B- #37 F42-391-01842 | Quintana Pet. Corp. | Refugio, TXWoodsboro South (4200) | PluggedOil | 6,000 | Sep 24, 1990 | — | — |
| Williams Maude et al a #d 742-391-00273 | Quintana Pet. Corp. | Refugio, TXLake Pasture (E-284) | PluggedGas | 5,759 | Mar 12, 1990 | — | — |
| Williams Maude et al -a- #d 30 H42-391-00369 | Quintana Pet. Corp. | Refugio, TXLake Pasture (L-206) | PluggedGas | 5,855 | Mar 12, 1990 | — | — |
| Heard Clement #1642-391-30056 | Quintana Pet. Corp. | Refugio, TXTom Oconnor (3900) | PluggedGas | 4,500 | Apr 7, 1989 | — | — |
| South Texas Syndicate -a- #1442-283-00167 | Quintana Pet. Corp. | La Salle, TXWashburn Ranch West (4600) | PluggedOil | 5,100 | Jun 7, 1988 | — | — |
| South Texas Syndicate #108642-283-30707 | Quintana Pet. Corp. | La Salle, TXWashburn Ranch (4600) | PluggedGas | 5,802 | May 9, 1988 | — | — |
| Oconnor Thomas -B- #4642-391-30605 | Quintana Pet. Corp. | Refugio, TXWoodsboro South (4200) | PluggedOil | 8,400 | Jul 30, 1987 | — | — |
| Williams Maude et al -a- #d 73 D42-391-00331 | Quintana Pet. Corp. | Refugio, TXLake Pasture (E-219) | PluggedGas | 5,839 | Apr 19, 1982 | — | — |
| Williams Maude et al -a- #d 52D42-391-00288 | Quintana Pet. Corp. | Refugio, TXLake Pasture (E-282) | PluggedGas | 5,704 | Apr 12, 1982 | — | — |
| Williams Maude et al -a- #d 33 D42-391-00286 | Quintana Pet. Corp. | Refugio, TXLake Pasture (E-284) | PluggedGas | 6,033 | Dec 31, 1981 | — | — |
| South Texas Syndicate -a- #1542-283-00168 | Quintana Pet. Corp. | La Salle, TXWashburn Ranch West (4600) | PluggedOil | 5,101 | Dec 23, 1980 | — | — |
| Williams Maude et al -a- #D102 F42-391-03780 | Quintana Pet. Corp. | Refugio, TXLake Pasture (M-295) | PluggedGas | 5,945 | Oct 23, 1980 | — | — |
| Thomas O Connor B #42 D42-391-01814 | Quintana Pet. Corp. | Refugio, TXMary Ellen O Connor (FQ-3) | PluggedOil | 6,116 | Jun 5, 1980 | — | — |
| Williams Maude et al -a- #d 76 D42-391-00292 | Quintana Pet. Corp. | Refugio, TXLake Pasture (FS-509) | PluggedGas | 5,400 | Sep 21, 1978 | — | — |