| Raun #242-481-34659 | Atasca Resources Inc. only | WhartonMenefee (Raun-Yegua) | PluggedGas | 7,500 | Jun 15, 2004 | 1 | Aug 2005 |
| King Ranch #242-249-32189 | Atasca Resources Inc. only | Jim WellsT.C.B. (6900 Charles N.) | PluggedGas | 8,900 | Jan 30, 2003 | 3 | Apr 2003 |
| Bowman #142-175-33475 | Atasca Resources Inc. only | GoliadMcCaskill (Lower Wilcox) | Temporarily abandonedGas | 16,446 | Nov 13, 2002 | 1 | Dec 2004 |
| Raun #142-481-34429 | Atasca Resources Inc. only | WhartonMenefee (Raun-Yegua) | PluggedGas | 8,000 | Dec 18, 2001 | 1 | Jul 2004 |
| Hunt #142-481-34265 | Atasca Resources Inc. only | WhartonMenefee (Frio 5500) | PluggedGas | 6,000 | Sep 28, 2000 | 1 | Dec 2004 |
| Taylor Unit #142-481-34246 | Atasca Resources Inc. only | WhartonMenefee (Frio 4800) | PluggedGas | 5,550 | Aug 28, 2000 | 1 | Dec 2004 |
| Ammann Homer B #142-089-00845 | Atasca Resources Inc. only | ColoradoNada (Wilcox 9700) | PluggedGas | 10,200 | Jun 7, 2000 | 1 | — |
| Wiess #342-457-30498 | Atasca Resources Inc. only | TylerGood Guys (Wilcox 9300) | PluggedOil | 10,700 | Dec 4, 1995 | 2 | Apr 2006 |
| Powers G #542-239-31902 | Atasca Resources Inc. only | JacksonWildcat | PluggedGas | 4,900 | Sep 21, 1995 | 7 | Sep 1994 |
| Wiess #242-457-30495 | Atasca Resources Inc. only | TylerGood Guys (Wilcox Odom SD) | PluggedOil | 10,700 | Aug 18, 1995 | 3 | Sep 2005 |
| Wiess #142-457-30491 | Atasca Resources Inc. only | TylerGood Guys (Wilcox 9300) | PluggedOil | 11,000 | Aug 3, 1995 | 2 | Apr 2006 |
| Glomp Seidel Gas Unit #142-047-31685 | Atasca Resources Inc. only | BrooksW. E. Colson (Vx. Bingo) | PluggedGas | 11,300 | May 31, 1995 | 1 | Jul 2010 |
| Flack Gas Unit #142-047-31682 | Atasca Resources Inc. only | BrooksW. E. Colson (Vx. Bingo) | PluggedGas | 11,300 | Mar 31, 1994 | 1 | Mar 2003 |
| El Gatita #242-479-33652 | Atasca Resources Inc. only | WebbVaquillas Ranch (Lobo Cons.) | PluggedGas | 9,500 | Apr 2, 1993 | 2 | Jun 1995 |
| Harfst #142-481-33622 | Atasca Resources Inc. only | WhartonPin Oak Creek (Frio) | PluggedGas | 4,100 | Feb 19, 1993 | 2 | Jul 1993 |
| Suggs-Hickman (Jennings) Unit #18I42-353-31819 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,700 | Oct 21, 1992 | 2 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #1742-353-32077 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,500 | Sep 4, 1992 | 2 | Dec 2009 |
| Powers -G- #142-239-31881 | Atasca Resources Inc. only | JacksonMorales (3670) | PluggedGas | 4,812 | Sep 24, 1991 | 6 | Jul 1994 |
| Suggs-Hickman (Jennings) Unit #242-353-31896 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,800 | Jul 26, 1990 | 3 | Dec 2009 |
| Lehman #242-481-32578 | Atasca Resources Inc. only | WhartonMagnet Withers | PluggedOil | 6,208 | Jun 19, 1990 | 6 | — |
| O Connor Tom Jr. #142-175-32519 | Atasca Resources Inc. only | GoliadAlkek (Catahoula 2500) | PluggedGas | 4,500 | Jun 13, 1990 | 2 | Jul 1996 |
| Suggs-Hickman (Jennings) Unit #15I42-353-31847 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,500 | Jun 11, 1990 | 2 | Dec 2009 |
| Powers G #642-239-31991 | Atasca Resources Inc. only | JacksonMorales (3480) | PluggedGas | 4,900 | Oct 2, 1989 | 6 | Jul 1994 |
| Borchers Charles #142-175-32407 | Atasca Resources Inc. only | GoliadDox (Slick) | PluggedGas | 8,100 | May 12, 1989 | 1 | Mar 1995 |
| Harfst G. H. #a 542-481-33227 | Atasca Resources Inc. only | WhartonPin Oak Creek (Frio) | PluggedGas | 7,050 | Dec 30, 1988 | 1 | — |
| King Ranch #142-249-32070 | Atasca Resources Inc. only | Jim WellsT.-C.-B. (LWR Frio-UP Vxbg) | PluggedGas | 8,000 | Sep 15, 1988 | 2 | Dec 2009 |
| Trog-Nabers JL #442-353-31968 | Atasca Resources Inc. only | NolanR.Q.S. (Ellenburger) | PluggedOil | 6,550 | Jul 19, 1988 | 2 | — |
| Montez-Shackelford #5 T42-239-32410 | Atasca Resources Inc. only | JacksonHigh Star (Frio 4700) | PluggedGas | 6,000 | May 16, 1988 | 2 | Oct 1993 |
| Suggs-Hickman (Jennings) Unit #642-353-31833 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,700 | May 11, 1988 | 3 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #842-353-31879 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,800 | May 11, 1988 | 3 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #10WS42-353-32052 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 5,650 | Jan 25, 1988 | 1 | Dec 2009 |
| Sample #142-239-32383 | Atasca Resources Inc. only | JacksonHigh Star (Frio) | PluggedGas | 5,500 | Nov 9, 1987 | 1 | Dec 1993 |
| Harfst a #2A42-481-33066 | Atasca Resources Inc. only | WhartonPin Oak Creek (Miocene 2500) | PluggedGas | 7,000 | Jun 8, 1987 | 1 | — |
| Suggs-Hickman (Jennings) Unit #16I42-353-32001 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,000 | Mar 11, 1987 | 1 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #1442-353-31980 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 5,800 | Sep 10, 1986 | 1 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #942-353-31953 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 5,875 | Apr 14, 1986 | 1 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #1242-353-31951 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 5,700 | Apr 7, 1986 | 1 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #542-353-31952 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,800 | Apr 7, 1986 | 1 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #442-353-31831 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,800 | Feb 27, 1986 | 2 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #1342-353-31883 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,800 | Jan 27, 1986 | 2 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #142-353-31922 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 5,700 | Jan 13, 1986 | 1 | Dec 2009 |
| Suggs-Hickman (Jennings) Unit #342-353-31913 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 5,700 | Dec 30, 1985 | 1 | Dec 2009 |
| HCW #842-051-32913 | Atasca Resources Inc. only | BurlesonGiddings (Austin Chalk-3) | PluggedOil | 8,700 | Dec 9, 1985 | 1 | Jun 1997 |
| Suggs-Hickman (Jennings) Unit #1142-353-31846 | Atasca Resources Inc. only | NolanSuggs-Hickman (Jennings) | PluggedOil | 6,825 | Aug 19, 1985 | 1 | Dec 2009 |
| Bethke Helena et al #242-175-00170 | Atasca Resources Inc. only | GoliadCabeza Creek S. (Weser) | PluggedGas | 8,324 | Jun 21, 1985 | 1 | — |
| Reed Addie Bill #142-175-30145 | Atasca Resources Inc. only | GoliadCabeza Creek South (Pettus) | PluggedGas | 5,413 | Jul 18, 1983 | 1 | — |
| Von Rosenberg #242-149-31055 | Atasca Resources Inc. only | FayetteGiddings (Austin Chalk-3) | PluggedOil | 10,629 | May 6, 1981 | 1 | Jan 2003 |
| Brautigam Gas Unit #142-339-30499 | Atasca Resources Inc. only | MontgomeryDeckers Prairie (Wilcox) | PluggedOil | 12,500 | Feb 11, 1981 | 1 | Dec 1996 |
| HCW #742-051-31254 | Atasca Resources Inc. only | BurlesonGiddings (Austin Chalk-3) | PluggedOil | 8,600 | Dec 31, 1980 | 1 | Jun 1997 |
| HCW #542-051-30975 | Atasca Resources Inc. only | BurlesonGiddings (Austin Chalk-3) | PluggedOil | 8,600 | Sep 2, 1980 | 1 | Jun 1997 |