| University 15 #242-301-30887 | Great Western Drilling Company | LovingTwofreds E. (Delaware) | PluggedOil | 5,500 | Mar 22, 1990 | 1 | Aug 2002 |
| Key (Spraberry) Unit #20142-115-32499 | Great Western Drilling Company | DawsonKey (Spraberry Upper) | PluggedOil | 8,800 | Aug 18, 1988 | 2 | Apr 2012 |
| University 15 #142-301-30687 | Great Western Drilling Company | LovingTwofreds E. (Delaware) | PluggedOil | 5,200 | Dec 17, 1985 | 1 | Aug 2002 |
| Parke Henry #342-165-33156 | Great Western Drilling Company | GainesSeminole SW. (San Andres) | PluggedOil | 5,350 | Feb 11, 1985 | 1 | — |
| Parke Henry #242-165-32951 | Great Western Drilling Company | GainesSeminole SW. (Clearfork) | PluggedOil | 8,800 | Aug 22, 1984 | 1 | Dec 2002 |
| Jacobson M. E. #3542-445-31126 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Jun 23, 1983 | 1 | Oct 1997 |
| Jacobson M. E. #3442-445-31127 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Jun 23, 1983 | 1 | Oct 1997 |
| Spencer #142-093-30993 | Great Western Drilling Company | ComancheDe Leon N. (Strawn | PluggedGas | 1,690 | Jun 2, 1982 | 1 | — |
| Spencer #242-093-30992 | Great Western Drilling Company | ComancheDe Leon N. (Strawn | PluggedGas | 1,670 | Jun 1, 1982 | 1 | — |
| Jacobson M. E. #3242-445-31061 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | May 27, 1982 | 1 | Oct 1997 |
| Jacobson M. E. #3342-445-31062 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | May 27, 1982 | 1 | Oct 1997 |
| Jacobson M. E. #3042-445-30965 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Jul 7, 1981 | 1 | Oct 1997 |
| Jacobson M. E. #2942-445-30966 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Jul 7, 1981 | 1 | Oct 1997 |
| Jacobson M. E. #2742-445-30861 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Jul 24, 1980 | 1 | Oct 1997 |
| Jacobson M. E. #2842-445-30862 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Jul 24, 1980 | 1 | Oct 1997 |
| Jacobson M. E. #642-445-30857 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Jul 18, 1980 | 1 | Oct 1997 |
| Laurence Marie et al #1D42-371-33080 | Great Western Drilling Company | PecosU S M (Queen) | PluggedOil | 3,800 | May 9, 1980 | 1 | — |
| Jacobson M. E. a #142-445-30807 | Great Western Drilling Company | TerryKingdom (Abo Reef) | PluggedOil | 8,200 | Dec 11, 1979 | 1 | Aug 2006 |
| Lawrence R. M. & L. S. #542-355-06157 | Great Western Drilling Company | NuecesSaxet | PluggedOil | 5,425 | Mar 22, 1979 | 1 | Sep 2002 |
| Lea #142-371-32623 | Great Western Drlg. Co.permit operator | Pecos | Drilled | 14,000 | Oct 2, 1978 | 1 | — |
| Jacobson M. E. #2042-445-30635 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Aug 23, 1978 | 2 | Oct 1997 |
| G.W.D. Texcan Martinez #142-505-31026 | Great Western Drilling Company | ZapataJ. C. Martin (Lobo) | PluggedGas | 7,505 | Jul 3, 1978 | 1 | — |
| Jacobson M. E. #19W42-445-30637 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Mar 22, 1978 | 1 | Oct 1997 |
| Jacobson M. E. #2142-445-30638 | Great Western Drilling Company | TerrySlaughter | PluggedOil | 5,100 | Mar 22, 1978 | 1 | Oct 1997 |
| Crump Trust #142-165-31338 | Great Western Drlg. Co.permit operator | Gaines | Drilled | 10,325 | Feb 23, 1978 | 1 | — |
| Glimp #1042-445-30592 | Great Western Drilling Company | TerryKingdom (Abo Reef) | PluggedOil | 8,100 | Sep 8, 1977 | 1 | May 2001 |
| -Bum- #142-003-01808 | Great Western Drilling Company | AndrewsEmbar (5600) | PluggedOil | — | — | 0 | — |
| -Bum- #242-003-01809 | Great Western Drilling Company | AndrewsEmbar (5600) | Not on scheduleOil | — | — | 0 | — |
| Key (Spraberry) Unit #30142-115-00946 | Great Western Drilling Company | DawsonKey (Spraberry Upper) | PluggedOil | — | — | 0 | — |
| Key (Spraberry) Unit #10142-115-10214 | Great Western Drilling Company | DawsonKey (Spraberry Upper) | PluggedOil | — | — | 0 | — |
| Key (Spraberry) Unit #40142-115-10258 | Great Western Drilling Company | DawsonKey (Spraberry Upper) | PluggedOil | — | — | 0 | — |
| 142-165-01032 | Great Western Drilling Company | GainesCarter-New Mexico (San Andres) | Not on scheduleOil | — | — | 0 | — |
| 142-165-01041 | Great Western Drilling Company | GainesCarter-New Mexico (San Andres) | Not on scheduleOil | — | — | 0 | — |
| 142-165-80822 | Great Western Drilling Company | GainesCarter-New Mexico (San Andres) | Not on scheduleOil | — | — | 0 | — |
| University CC #142-173-80045 | Great Western Drilling Company | GlasscockSpraberry (Trend Area) | PluggedOil | — | — | 0 | — |
| Ross-Tubb #142-219-80019 | Great Western Drilling Company | HockleyLevelland | PluggedOil | — | — | 0 | — |
| Robinson Charles #242-227-30365 | Great Western Drilling Company | HowardHutto South (Leonard) | PluggedOil | — | — | 0 | — |
| Grantham #142-227-30587 | Great Western Drilling Company | HowardKnott West (Spraberry) | Not on scheduleOil | — | — | 0 | — |
| Myers #142-227-31085 | Great Western Drilling Company | HowardKnott West (Penn Reef) | PluggedOil | — | — | 0 | — |
| Bailey Mabel J. #242-301-00722 | Great Western Drilling Company | LovingTwofreds (Delaware Lower) | PluggedOil | — | — | 0 | — |
| Bailey Mabel J. #342-301-00723 | Great Western Drilling Company | LovingTwofreds (Delaware Lower) | PluggedOil | — | — | 0 | — |
| 1 U42-317-00116 | Great Western Drilling Company | MartinStanton (Spraberry) | Not on scheduleOil | — | — | 0 | — |
| Shoemaker #142-317-00117 | Great Western Drilling Company | MartinStanton (Spraberry) | PluggedOil | — | — | 0 | — |
| Singleton J. R. #4D42-317-00133 | Great Western Drilling Company | MartinBreedlove | PluggedOil | — | — | 0 | — |
| 242-317-30077 | Great Western Drilling Company | MartinStanton (Spraberry) | PluggedOil | — | — | 0 | — |
| Perkins-Lagasse #1442-355-01564 | Great Western Drilling Company | NuecesSaxet ( 3 000) | PluggedGas | — | — | 0 | — |
| La Gasse Laura #342-355-01568 | Great Western Drilling Company | NuecesSaxet ( 4 000) | PluggedGas | — | — | 0 | — |
| Lawrence R. M. & L. S. #b 242-355-80681 | Great Western Drilling Company | NuecesSaxet | PluggedOil | — | — | 0 | — |
| Lawrence R. M. & L. S. #b 542-355-80684 | Great Western Drilling Company | NuecesSaxet | Not on scheduleOil | — | — | 0 | — |
| 142-371-02004 | Great Western Drilling Company | PecosAbell East (Glorieta) | Not on scheduleGas | — | — | 0 | — |