| Harris Herman #342-187-02846 | Great Plains Resources Inc. | GuadalupeLuling-Branyon | PluggedOil | 2,200 | Apr 25, 2013 | 1 | Aug 1997 |
| Lawler Maurice Etal #2A42-055-34693 | Great Plains Resources Inc. | CaldwellLuling-Branyon | PluggedOil | 2,500 | Feb 16, 1993 | 1 | Dec 1997 |
| Wright Gertrude #1A42-055-34692 | Great Plains Resources Inc. | CaldwellLuling-Branyon | PluggedOil | 2,500 | Jan 22, 1993 | 1 | Dec 1997 |
| Chapman G. #1A42-055-34453 | Great Plains Resources Inc. | CaldwellLuling-Branyon | PluggedOil | 2,400 | Jul 19, 1989 | 1 | Oct 1995 |
| Hartfield #5B42-187-33288 | Great Plains Resources Inc. | GuadalupeLa Vernia | PluggedOil | 900 | Dec 30, 1988 | 1 | Oct 1995 |
| Alvarado #342-029-38048 | Great Plains Resources Inc. | BexarFairfield | PluggedOil | 1,250 | Dec 29, 1988 | 1 | Oct 1995 |
| Alvarado #242-029-38030 | Great Plains Resources Inc. | BexarFairfield | PluggedOil | 1,200 | Dec 5, 1988 | 1 | Oct 1995 |
| Alvarado #142-029-38031 | Great Plains Resources Inc. | BexarFairfield | PluggedOil | 1,200 | Dec 5, 1988 | 1 | Oct 1995 |
| Hartfield #3B42-187-33279 | Great Plains Resources Inc. | GuadalupeLa Vernia | PluggedOil | 900 | Nov 8, 1988 | 1 | Oct 1995 |
| Hartfield #4B42-187-33280 | Great Plains Resources Inc. | GuadalupeLa Vernia | PluggedOil | 900 | Nov 8, 1988 | 1 | Oct 1995 |
| Baker Tract -B- #1242-029-37919 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Mar 15, 1988 | 1 | Oct 1995 |
| Baker Tract -B- #1142-029-37920 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Mar 15, 1988 | 1 | Oct 1995 |
| Hartfield #2B42-187-33255 | Great Plains Resources Inc. | GuadalupeLa Vernia | PluggedOil | 900 | Mar 10, 1988 | 1 | Oct 1995 |
| Hartfield #1B42-187-33256 | Great Plains Resources Inc. | GuadalupeLa Vernia | PluggedOil | 1,500 | Mar 10, 1988 | 1 | Oct 1995 |
| Kurz Eva #1442-029-37879 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Dec 2, 1987 | 1 | Apr 1998 |
| Kurz Eva #1542-029-37880 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Dec 2, 1987 | 2 | Apr 1998 |
| Fowler Ima et al #1542-013-33827 | Great Plains Resources Inc. | AtascosaSomerset | PluggedOil | 1,650 | Sep 30, 1987 | 1 | Jan 1996 |
| Fowler Ima et al #1442-013-33828 | Great Plains Resources Inc. | AtascosaSomerset | PluggedOil | 1,650 | Sep 30, 1987 | 1 | Jan 1996 |
| Fowler Ima et al #1242-013-33829 | Great Plains Resources Inc. | AtascosaSomerset | PluggedOil | 1,650 | Sep 30, 1987 | 1 | Jan 1996 |
| Baker Tract -a- #1542-029-37838 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Jun 12, 1987 | 1 | Oct 1995 |
| Baker Tract -B- #942-029-37834 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Jun 10, 1987 | 1 | Oct 1995 |
| Baker Tract -B- #1042-029-37835 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Jun 10, 1987 | 1 | Oct 1995 |
| Baker Tract -a- #1342-029-37836 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Jun 10, 1987 | 1 | Oct 1995 |
| Baker Tract -a- #1442-029-37837 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Jun 10, 1987 | 1 | Oct 1995 |
| Pearson R.L. -a- #142-021-31001 | Great Plains Resources Inc. | BastropPierson (Serpentine 1500) | PluggedOil | 2,250 | Feb 10, 1987 | 2 | Oct 1995 |
| Frazier #1D42-055-02382 | Great Plains Resources Inc. | CaldwellDunlap | PluggedOil | 3,100 | Jan 23, 1987 | 2 | Oct 1995 |
| Poage #242-029-37632 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Aug 29, 1986 | 1 | Oct 1995 |
| Poage #342-029-37633 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Aug 29, 1986 | 1 | Oct 1995 |
| Keller #442-029-37626 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Aug 21, 1986 | 1 | Oct 1995 |
| Keller #342-029-37627 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Aug 21, 1986 | 1 | Oct 1995 |
| Keller #242-029-37628 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Aug 21, 1986 | 1 | Oct 1995 |
| Poage #142-029-37623 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Aug 8, 1986 | 1 | Oct 1995 |
| Keller #142-029-37594 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,500 | Jul 7, 1986 | 1 | Oct 1995 |
| Korus Omega #2A42-029-37501 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Apr 8, 1986 | 1 | Jun 1998 |
| Korus Omega #1A42-029-37502 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Apr 8, 1986 | 1 | Jun 1998 |
| Yturri Gotham #742-029-37503 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Apr 8, 1986 | 1 | May 1997 |
| Yturri Gotham #642-029-37495 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 31, 1986 | 1 | May 1997 |
| Korus a Vas II #2842-029-37496 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,700 | Mar 31, 1986 | 1 | Jun 1998 |
| Korus a Vas II #2742-029-37489 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,700 | Mar 27, 1986 | 1 | Jun 1998 |
| Yturri Gotham #342-029-37478 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 25, 1986 | 1 | May 1997 |
| Yturri Gotham #442-029-37479 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 25, 1986 | 1 | May 1997 |
| Yturri Gotham #542-029-37480 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 25, 1986 | 1 | May 1997 |
| Yturri Gotham #142-029-37485 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 25, 1986 | 1 | May 1997 |
| Yturri Gotham #242-029-37486 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 25, 1986 | 1 | May 1997 |
| Korus Omega #3342-029-37473 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,700 | Mar 24, 1986 | 1 | Jun 1998 |
| Mullens GMK #1142-029-37461 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 21, 1986 | 1 | Apr 1998 |
| Hubbard Omega 1985 #242-029-37462 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,600 | Mar 21, 1986 | 1 | Apr 1998 |
| Hubbard Omega 1985 #142-029-37463 | Great Plains Resources Inc. | BexarSomerset | Not on scheduleOil | 1,600 | Mar 21, 1986 | 1 | Apr 1998 |
| Korus Omega #3242-029-37467 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,700 | Mar 21, 1986 | 1 | Jun 1998 |
| Korus Omega #3142-029-37468 | Great Plains Resources Inc. | BexarSomerset | PluggedOil | 1,700 | Mar 21, 1986 | 1 | Jun 1998 |