| Viola Hunt #142-503-41411 | Ashtola Exploration Company Inc. | YoungSwink East (Mississippian) | PluggedOil | 5,200 | May 7, 2007 | 1 | Dec 2012 |
| Hardin-Fortune #142-503-39428 | Ashtola Exploration Company Inc. | YoungSweeney (Conglomerate) | PluggedOil | 4,999 | Sep 29, 1989 | 2 | Jul 1998 |
| Andrews #2 U42-503-40010 | Ashtola Exploration Company Inc. | YoungRiver Bend (Marble Falls) | PluggedOil | 4,999 | May 9, 1989 | 1 | May 1993 |
| Bullock 423 #142-503-39855 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Aug 11, 1988 | 1 | — |
| Fort Belknap Saltwater Disposal #142-503-39440 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 5,500 | Jul 14, 1988 | 3 | — |
| Andrews #1 U42-503-39776 | Ashtola Exploration Company Inc. | YoungRiver Bend (Marble Falls) | PluggedOil | 4,999 | Apr 27, 1988 | 1 | May 1993 |
| Larimore-Bullock Unit #142-503-39724 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Jan 20, 1988 | 1 | — |
| Remington A. T. 361 Unit #1 T42-503-39345 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Oct 7, 1987 | 3 | Apr 1996 |
| Bailey-Ross #142-503-39595 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Aug 12, 1987 | 1 | — |
| Bullock 261 #142-503-39589 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Aug 6, 1987 | 1 | Aug 1995 |
| Brazos-League Unit #142-503-39574 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Jul 24, 1987 | 2 | Feb 1993 |
| Kell-Perkins Unit #142-503-39374 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Jul 20, 1987 | 1 | — |
| Bullock 262 #142-503-39548 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Jun 29, 1987 | 1 | — |
| Woodruff-Hardin Unit #142-503-39483 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Apr 13, 1987 | 1 | Apr 1996 |
| Perkins Unit #242-503-39471 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Apr 1, 1987 | 1 | — |
| Fort Belknap Saltwater Disposal #1 A42-503-39453 | Ashtola Exploration Company Inc. | YoungWildcat | PluggedOil | 1,900 | Mar 5, 1987 | 1 | — |
| Daws F. 1681-a #142-503-36705 | Ashtola Exploration Company Inc. | YoungYoung County Regular | PluggedOil | 4,947 | Sep 23, 1986 | 4 | — |
| League 442 #142-503-39296 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Jun 27, 1986 | 1 | — |
| Kell-Harmonson #142-503-39275 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,631 | Jun 6, 1986 | 1 | Jun 1995 |
| League-Ross #142-503-39236 | Ashtola Exploration Company Inc. | YoungFort Belnap (Miss.) | PluggedOil | 4,999 | Apr 4, 1986 | 1 | Sep 1998 |
| Perkins Unit #142-503-39228 | Ashtola Exploration Company Inc. | YoungNewcastle N. (Caddo) | PluggedOil | 4,999 | Mar 28, 1986 | 1 | — |
| Daws J.B. 2378 #542-503-39152 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,300 | Jan 24, 1986 | 1 | Jul 2000 |
| Donnell 2380 #242-503-39048 | Ashtola Exploration Company Inc. | YoungSweeney (Conglomerate Lower) | PluggedOil | 4,999 | Nov 20, 1985 | 1 | — |
| Daws J. B. Estate 1679 #542-503-30900 | Ashtola Exploration Company Inc. | YoungYoung County Regular | PluggedOil | 4,436 | Jul 17, 1985 | 1 | — |
| Daws W. D. Etal 770 #542-503-38838 | Ashtola Exploration Company Inc. | YoungDaws | PluggedOil | 4,999 | Jun 28, 1985 | 1 | — |
| Loftin Frank #142-503-38717 | Ashtola Exploration Company Inc. | YoungDaws (King Sand) | PluggedGas | 3,200 | Apr 26, 1985 | 2 | — |
| Wilkinson 724 Unit #342-503-38659 | Ashtola Exploration Company Inc. | YoungGeorge (Caddo U) | PluggedOil | 4,500 | Mar 18, 1985 | 1 | Jun 1995 |
| J. B. Daws 1679 #342-503-37694 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 4,800 | Jan 30, 1985 | 3 | — |
| Daws C #442-503-38576 | Ashtola Exploration Company Inc. | YoungJack S (Mississippian) | PluggedOil | 4,999 | Jan 9, 1985 | 2 | Jun 1995 |
| Haggard E.A. #242-503-38567 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,200 | Dec 31, 1984 | 2 | — |
| Daws J. B. 2379 #242-503-30887 | Ashtola Exploration Company Inc. | YoungSweeney (Caddo 4200) | PluggedOil | 4,260 | Dec 21, 1984 | 1 | — |
| Daws J.B. 2378 #442-503-38491 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,300 | Nov 26, 1984 | 1 | Jul 2000 |
| Haggard E.A. #142-503-37177 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 4,518 | Sep 18, 1984 | 2 | — |
| Daws J.B. 2378 #242-503-38290 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,300 | Jul 31, 1984 | 1 | Jul 2000 |
| J. B. Daws 1679 #442-503-37806 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,200 | Nov 30, 1983 | 1 | — |
| Nan-Daws 1677 #11 S42-503-37774 | Ashtola Exploration Company Inc. | YoungDaws (Gunsight) | PluggedGas | 1,000 | Nov 10, 1983 | 1 | — |
| Daws Jim Bob Unit #1042-503-37744 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,200 | Oct 28, 1983 | 1 | — |
| Daws Jim Bob Unit #942-503-37720 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,200 | Oct 17, 1983 | 1 | — |
| Daws F. 1682 #9 S42-503-37723 | Ashtola Exploration Company Inc. | YoungDaws (Avis) | PluggedGas | 1,200 | Oct 17, 1983 | 1 | — |
| Daws Nan 1678 #342-503-37811 | Ashtola Exploration Company Inc. | YoungYoung County Regular | PluggedOil | 4,600 | Oct 17, 1983 | 1 | Jun 1994 |
| Daws J.B. 752 #2 S42-503-37693 | Ashtola Exploration Company Inc. | YoungDaws (Avis) | PluggedGas | 1,500 | Oct 13, 1983 | 2 | — |
| Daws J. B. 1679 #242-503-37460 | Ashtola Exploration Company Inc. | YoungJack S (Congl.) | PluggedOil | 4,800 | Sep 7, 1983 | 2 | — |
| Daws J.B. 2378 #142-503-37324 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,200 | Aug 18, 1983 | 1 | Jul 2000 |
| Daws C #342-503-37213 | Ashtola Exploration Company Inc. | YoungJack S (Mississippian) | PluggedOil | 4,800 | Jul 25, 1983 | 2 | Jun 1995 |
| Daws Jim Bob Unit #742-503-37705 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,200 | Jul 21, 1983 | 1 | — |
| Daws Jim Bob 752 Unit #5S42-503-37202 | Ashtola Exploration Company Inc. | YoungDaws (Avis) | PluggedGas | 550 | Jul 20, 1983 | 1 | — |
| Daws Jim Bob Unit #642-503-37704 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,200 | Jul 19, 1983 | 1 | — |
| Daws Frank Estate 1681 #242-503-36950 | Ashtola Exploration Company Inc. | YoungJack S (Caddo Upper) | PluggedOil | 4,752 | May 12, 1983 | 1 | — |
| Daws Jim Bob 1683 #242-503-36874 | Ashtola Exploration Company Inc. | YoungJack S (Mississippian) | PluggedOil | 4,999 | Apr 29, 1983 | 1 | Apr 1997 |
| Daws Jim Bob Unit #442-503-36858 | Ashtola Exploration Company Inc. | YoungTuttle | PluggedOil | 3,300 | Apr 26, 1983 | 1 | — |