| Laycock #1142-087-30252 | Harvard Petroleum Company LLC only | Collingsworth, TXPanhandle Collingsworth County | ActiveOil | 2,300 | Aug 24, 2012 | — | — |
| Bell C #942-087-30254 | Harvard Petroleum Company LLC only | Collingsworth, TXPanhandle Collingsworth County | ActiveOil | 2,235 | Aug 24, 2012 | — | — |
| Lee #1242-087-30255 | Harvard Petroleum Company LLC only | Collingsworth, TXPanhandle Collingsworth County | ActiveOil | 2,275 | Aug 24, 2012 | — | — |
| Smith #1142-087-30256 | Harvard Petroleum Company LLC only | Collingsworth, TXPanhandle Collingsworth County | ActiveOil | 2,280 | Aug 24, 2012 | — | — |
| Laycock -a- #1142-087-30242 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,290 | Oct 28, 1999 | — | — |
| Laycock -a- #1042-087-30243 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,220 | Oct 28, 1999 | — | — |
| Neely #442-087-30250 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | Temporarily abandonedGas | 2,000 | Oct 27, 1999 | — | — |
| McDowell #2542-087-30244 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,120 | Oct 11, 1999 | — | — |
| Wischkaemper -B- #242-087-30241 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,090 | Nov 12, 1998 | — | — |
| McDowell a #1842-087-30239 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,230 | Oct 16, 1998 | — | — |
| McDowell #2242-087-30240 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,230 | Oct 16, 1998 | — | — |
| Wattenbarger -a- #342-087-00158 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 1,958 | Jan 14, 1998 | — | — |
| Knoll -a- #242-087-30227 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 1,967 | Jul 28, 1987 | — | — |
| McDowell #1642-087-30226 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,168 | Jul 16, 1987 | — | — |
| Sesco -C- #142-087-30222 | Reneau Oil Co. only | Collingsworth, TXPanhandle East | Temporarily abandonedGas | 2,052 | May 7, 1984 | — | — |
| Sesco #142-087-30221 | Reneau Oil Co. only | Collingsworth, TXPanhandle East | PluggedGas | 2,200 | Dec 6, 1983 | — | — |
| Gill Ken #142-087-30219 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,125 | Sep 16, 1983 | — | — |
| Heirs McDowell #142-087-30218 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,061 | Aug 15, 1983 | — | — |
| Hawkins W. G. #1A42-087-30217 | Stine-Hawkins only | Collingsworth, TXPanhandle East | ActiveGas | 2,267 | Jun 24, 1983 | — | — |
| Taylor #242-087-30213 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,150 | Apr 11, 1983 | — | — |
| Powell #342-087-30214 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,306 | Mar 17, 1983 | — | — |
| Taylor #142-087-30216 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,150 | Mar 17, 1983 | — | — |
| Pal #142-087-30208 | Reneau Oil Co. only | Collingsworth, TXPanhandle East | PluggedGas | 2,400 | Dec 22, 1982 | — | — |
| McDowell #142-087-30205 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,150 | Nov 29, 1982 | — | — |
| McDowell #242-087-30206 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,142 | Nov 29, 1982 | — | — |
| Laycock -a- #209842-087-30200 | Amrwr LLC only | Collingsworth, TXPanhandle East | Temporarily abandonedGas | 1,902 | Nov 2, 1982 | — | — |
| Mary #142-087-30198 | Throckmorton Operating only | Collingsworth, TXPanhandle East | PluggedGas | 2,100 | Sep 22, 1982 | — | — |
| Karen #142-087-30196 | Throckmorton Operating only | Collingsworth, TXPanhandle East | PluggedGas | 2,100 | Aug 4, 1982 | — | — |
| Vonda #142-087-30185 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,082 | Apr 7, 1982 | — | — |
| Hawkins -5- #142-087-30180 | Stine-Hawkins only | Collingsworth, TXPanhandle East | ActiveGas | 2,328 | Dec 18, 1981 | — | — |
| Troxell -a- #142-087-30178 | Troxell Oil & Gas only | Collingsworth, TXPanhandle East | PluggedGas | 2,500 | Dec 1, 1981 | — | — |
| Powell #142-087-30177 | Throckmorton Operating only | Collingsworth, TXPanhandle East | PluggedGas | 3,000 | Apr 8, 1981 | — | — |
| Hawkins #142-087-30175 | Stine-Hawkins only | Collingsworth, TXPanhandle East | ActiveGas | 2,400 | Nov 21, 1980 | — | — |
| Powell D. #242-087-30174 | Reneau James Seed Co. only | Collingsworth, TXPanhandle East | PluggedGas | 3,000 | Nov 20, 1980 | — | — |
| Powell L. #142-087-30172 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,260 | Nov 5, 1980 | — | — |
| Bailey Melvin #142-087-30170 | Questa Energy Corporation only | Collingsworth, TXPanhandle East | Temporarily abandonedGas | 1,998 | Aug 8, 1980 | — | — |
| McDowell #1442-087-30166 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,293 | Jul 25, 1980 | — | — |
| McDowell #1342-087-30168 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,290 | Jul 25, 1980 | — | — |
| Wischkaemper -H- #142-087-30169 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | Temporarily abandonedGas | 2,100 | Jul 25, 1980 | — | — |
| Wischkaemper -I- #142-087-30165 | Bce-Mach III LLC only | Collingsworth, TXPanhandle East | ActiveGas | 2,115 | Jul 22, 1980 | — | — |
| Troxell E. F. #142-087-30160 | Reneau James Seed Co. only | Collingsworth, TXPanhandle East | ActiveGas | 1,985 | Apr 18, 1980 | — | — |
| Bruton -C- #142-087-30157 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,275 | Apr 4, 1980 | — | — |
| Bruton -B- #142-087-30158 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,335 | Apr 4, 1980 | — | — |
| Hardin #142-087-30156 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,200 | Feb 21, 1980 | — | — |
| McFarland #30142-087-30149 | SLT Dakota Operating Inc. only | Collingsworth, TXPanhandle East | PluggedGas | 2,100 | Feb 4, 1980 | — | — |
| Emmert #209942-087-30150 | Lionheart Energy Corporation only | Collingsworth, TXPanhandle East | PluggedGas | 2,300 | Feb 4, 1980 | — | — |
| Emmert #110042-087-30152 | SLT Dakota Operating Inc. only | Collingsworth, TXPanhandle East | PluggedGas | 2,000 | Feb 4, 1980 | — | — |
| Emmert #309942-087-30153 | SLT Dakota Operating Inc. only | Collingsworth, TXPanhandle East | PluggedGas | 2,100 | Feb 4, 1980 | — | — |
| Emmert #409942-087-30154 | SLT Dakota Operating Inc. only | Collingsworth, TXPanhandle East | PluggedGas | 2,300 | Feb 4, 1980 | — | — |
| Lutes -a- #142-087-30144 | Wischkaemper Kenneth only | Collingsworth, TXPanhandle East | ActiveGas | 2,100 | Oct 5, 1979 | — | — |