| Pryor Ranch #4 C42-507-31185 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | Shut inGas | 3,122 | Apr 14, 2010 | 3 | Jun 2000 |
| Pryor Ranch #1442-507-31200 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | Temporarily abandonedGas | 3,090 | Oct 2, 1989 | 2 | Jun 2000 |
| Pryor Ranch #11542-507-31794 | McDay Energy Corp. only | ZavalaWinn-Dulce (Elaine) | ActiveOil | 3,206 | Aug 11, 1989 | 2 | Apr 2026 |
| Pryor Ranch #2542-507-31213 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | Temporarily abandonedGas | 3,163 | Aug 7, 1989 | 2 | Jun 2000 |
| Pryor Ranch #13142-507-31800 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte-Oil) | Shut inOil | 3,230 | Aug 7, 1989 | 3 | Sep 2022 |
| Pryor Ranch #8742-507-31731 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero-Oil) | ActiveOil | 3,100 | Aug 2, 1989 | 2 | Apr 2026 |
| Pryor Ranch #12542-507-31803 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | Temporarily abandonedGas | 3,069 | Aug 2, 1989 | 3 | Jun 2000 |
| Pryor Ranch #16042-507-31854 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | Temporarily abandonedGas | 2,780 | Jul 18, 1989 | 2 | Jun 2000 |
| Pryor Ranch #20042-507-31915 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 2,790 | Apr 19, 1989 | 3 | Apr 2026 |
| Pryor Ranch #11942-507-31783 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte-Oil) | Shut inOil | 3,135 | Mar 30, 1989 | 3 | Sep 2022 |
| Pryor Ranch #18442-507-31901 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte 2575) | Temporarily abandonedGas | 2,807 | Mar 17, 1989 | 2 | — |
| Pryor Ranch #6542-507-31692 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveGas | 3,109 | Mar 3, 1989 | 3 | Apr 2026 |
| Pryor Ranch #16142-507-31874 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero-Oil) | ActiveOil | 3,200 | Feb 15, 1989 | 3 | Apr 2026 |
| Pryor Ranch #6242-507-31659 | McDay Energy Corp. only | ZavalaWinn-Dulce (Escondido) | ActiveGas | 2,795 | Dec 22, 1988 | 2 | Apr 2026 |
| Pryor Ranch #942-507-31190 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | Temporarily abandonedGas | 3,010 | Jul 18, 1988 | 2 | Jun 2000 |
| Pryor Ranch #9742-507-31771 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte-Oil) | Shut inOil | 3,150 | Jun 8, 1988 | 2 | Sep 2022 |
| Pryor Ranch #15742-507-31920 | McDay Energy Corp. only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 3,400 | Feb 16, 1988 | 3 | — |
| Pryor Ranch #4542-507-31551 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 3,050 | Sep 16, 1987 | 2 | Apr 2026 |
| Pryor Ranch #5442-507-31632 | Winn Exploration/Dulce Company only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 3,302 | Aug 7, 1985 | 3 | — |
| Pryor Ranch #4042-507-31322 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte 2575) | ActiveGas | 2,770 | Jun 5, 1985 | 2 | Apr 2026 |
| Pryor Ranch #6442-507-31676 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 2,704 | Oct 17, 1984 | 3 | Apr 2026 |
| Pryor Ranch #1642-507-31205 | McDay Energy Corp. only | ZavalaWinn-Dulce (Elaine) | ActiveOil | 2,875 | Sep 14, 1984 | 2 | Apr 2026 |
| Pryor Ranch #1242-507-31193 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 2,770 | May 24, 1984 | 2 | Apr 2026 |
| Pryor Ranch #13542-507-31839 | Winn Exploration/Dulce Company only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 3,160 | Sep 9, 1983 | 2 | — |
| Pryor Ranch #10542-507-31760 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte-Oil) | Shut inOil | 3,120 | Jul 8, 1983 | 2 | Sep 2022 |
| Pryor Ranch #175 T42-507-31946 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero 2825) | Temporarily abandonedGas | 3,005 | Apr 1, 1983 | 1 | Jun 2000 |
| Pryor Ranch #151 T42-507-31846 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 3,030 | Nov 19, 1982 | 1 | Apr 2026 |
| Pryor Ranch #12942-507-31801 | McDay Energy Corp. only | ZavalaWinn-Dulce (Olmos) | Temporarily abandonedGas | 3,195 | Oct 22, 1982 | 1 | Jun 2000 |
| Pryor Ranch #121 T42-507-31812 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveGas | 3,280 | Oct 8, 1982 | 1 | Apr 2026 |
| Pryor Ranch #93 T42-507-31738 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 3,070 | Aug 10, 1982 | 1 | Apr 2026 |
| Pryor Ranch #85 T42-507-31726 | Winn Exploration Co. Inc. only | ZavalaWinn-Dulce (del Monte) | PluggedGas | 3,163 | Jul 20, 1982 | 1 | — |
| Pryor Ranch #8142-507-31720 | Winn Exploration/Dulce Company only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 3,324 | Jul 7, 1982 | 1 | — |
| Pryor Ranch #79 T42-507-31716 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 2,936 | Jun 30, 1982 | 1 | Apr 2026 |
| Pryor Ranch #5842-507-31711 | Winn Exploration/Dulce Company only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 2,895 | Jun 7, 1982 | 1 | — |
| Pryor Ranch #77 T42-507-31702 | McDay Energy Corp. only | ZavalaWinn-Dulce (Olmos Lower) | Temporarily abandonedGas | 2,628 | May 26, 1982 | 1 | Jun 2000 |
| Pryor Ranch #61 T42-507-31675 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | Temporarily abandonedGas | 3,010 | Apr 28, 1982 | 1 | Jun 2000 |
| Pryor Ranch #59 T42-507-31668 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 2,923 | Apr 21, 1982 | 1 | Apr 2026 |
| Pryor Ranch #57T42-507-31671 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveOil | 3,169 | Apr 13, 1982 | 1 | Apr 2026 |
| Pryor Ranch #5642-507-31629 | Winn Exploration/Dulce Company only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 3,345 | Jan 26, 1982 | 1 | — |
| Pryor Ranch #5342-507-31633 | Winn Exploration/Dulce Company only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 3,140 | Jan 26, 1982 | 1 | — |
| Pryor Ranch #43 T42-507-31549 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveGas | 3,185 | Aug 12, 1981 | 1 | Apr 2026 |
| Pryor Ranch #4142-507-31552 | Winn Exploration/Dulce Company only | ZavalaWinn-Dulce (Olmos) | PluggedGas | 3,273 | Aug 12, 1981 | 1 | — |
| Pryor Ranch #29 T42-507-31521 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveGas | 3,055 | May 18, 1981 | 1 | Apr 2026 |
| Pryor Ranch a #2642-507-31234 | McDay Energy Corp. only | ZavalaWinn-Dulce (Olmos) | Temporarily abandonedGas | 2,890 | Sep 25, 1979 | 1 | Jan 2001 |
| Pryor Ranch #32 T42-507-31226 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveGas | 3,160 | Sep 10, 1979 | 1 | Apr 2026 |
| Pryor Ranch #30 T42-507-31227 | McDay Energy Corp. only | ZavalaWinn-Dulce (Bracero) | ActiveGas | 2,871 | Sep 10, 1979 | 1 | Apr 2026 |
| Pryor Ranch #20 T42-507-31209 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveGas | 3,217 | Aug 8, 1979 | 1 | Apr 2026 |
| Pryor Ranch #13 T42-507-31197 | McDay Energy Corp. only | ZavalaWinn-Dulce (Olmos Lower) | Temporarily abandonedGas | 2,975 | Jul 18, 1979 | 1 | Jun 2000 |
| Pryor Ranch #15T42-507-31198 | McDay Energy Corp. only | ZavalaWinn-Dulce (del Monte) | ActiveOil | 3,065 | Jul 18, 1979 | 1 | Apr 2026 |
| Pryor Ranch #17 C42-507-31199 | McDay Energy Corp. only | ZavalaWinn-Dulce (Olmos) | Temporarily abandonedGas | 3,020 | Jul 18, 1979 | 1 | Jun 2000 |