| Prentice Northeast Unit #69342-445-31756 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | Shut inOil | 7,215 | Jul 2, 1996 | — | — |
| Prentice Northeast Unit #691U42-445-31757 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveInjection | 7,170 | Jul 2, 1996 | — | — |
| Prentice Northeast Unit #63142-445-31758 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,085 | Jul 2, 1996 | — | — |
| Prentice Northeast Unit #60342-445-31759 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,105 | Jul 2, 1996 | — | — |
| Prentice Northeast Unit #60142-445-31760 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,045 | Jul 2, 1996 | — | — |
| Prentice Northeast Unit #57142-445-31761 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,015 | Jul 2, 1996 | — | — |
| Shafter Lake Clearfork Unit #603142-003-37872 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | ActiveOil | 7,050 | Jun 3, 1996 | — | — |
| Shafter Lake Clearfork Unit #422W42-003-37873 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | ActiveInjection | 7,040 | Jun 3, 1996 | — | — |
| Shafter Lake Clearfork Unit #624W42-003-37874 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | ActiveInjection | 7,054 | Jun 3, 1996 | — | — |
| Shafter Lake Clearfork Unit #62342-003-37875 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | Shut inOil | 7,050 | Jun 3, 1996 | — | — |
| Shafter Lake Clearfork Unit #52442-003-37876 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | Shut inOil | 7,050 | Jun 3, 1996 | — | — |
| Shafter Lake Clearfork Unit #523W42-003-37877 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | Shut inOil | 7,050 | Jun 3, 1996 | — | — |
| Shafter Lake Clearfork Unit #423W42-003-37878 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | ActiveInjection | 7,050 | Jun 3, 1996 | — | — |
| Southland Royalty D #142-003-33150 | Highmark Energy Operating LLC | Andrews, TXWallen (San Andres) | ActiveOil | 9,400 | May 1, 1996 | — | — |
| Prentice Northeast Unit #57642-445-31742 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,025 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #57842-445-31743 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveInjection | 7,090 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #606L42-445-31744 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveInjection | 7,025 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #60842-445-31745 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,080 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #63442-445-31746 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | Shut inOil | 7,095 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #63642-445-31747 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,125 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #66042-445-31748 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | Shut inOil | 7,125 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #66242-445-31749 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | Shut inOil | 7,212 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #69042-445-31750 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,195 | Apr 18, 1996 | — | — |
| Prentice Northeast Unit #69242-445-31751 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,205 | Apr 18, 1996 | — | — |
| University -154- #542-003-05369 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | Shut inOil | 9,888 | Oct 19, 1995 | — | — |
| University -C- #542-003-35945 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Devonian) | Shut inOil | 11,700 | Oct 12, 1995 | — | — |
| University 174 #342-003-05466 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | PluggedOil | 9,900 | Aug 25, 1995 | — | — |
| Prentice Northeast Unit #66542-445-31724 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveInjection | 7,065 | Aug 1, 1995 | — | — |
| Prentice Northeast Unit #633L42-445-31725 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | PluggedOil | 7,100 | Aug 1, 1995 | — | — |
| Prentice Northeast Unit #63742-445-31726 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveInjection | 7,131 | Aug 1, 1995 | — | — |
| Prentice Northeast Unit #66342-445-31727 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,144 | Aug 1, 1995 | — | — |
| Prentice Northeast Unit #63542-445-31728 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveInjection | 7,055 | Aug 1, 1995 | — | — |
| Prentice Northeast Unit #66442-445-31719 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,045 | Jul 17, 1995 | — | — |
| Prentice Northeast Unit #63842-445-31720 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,026 | Jul 17, 1995 | — | — |
| Prentice Northeast Unit #64042-445-31722 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | Shut inOil | 7,075 | Jul 17, 1995 | — | — |
| Shafter Lake Clearfork Unit #30242-003-30249 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | PluggedOil | 7,100 | Jul 11, 1995 | — | — |
| Prentice Northeast Unit #61242-445-31717 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,099 | Jun 30, 1995 | — | — |
| Prentice Northeast Unit #61042-445-31718 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,054 | Jun 30, 1995 | — | — |
| Fairway /James Lime/ Unit #750342-001-32220 | Highmark Energy Operating LLC | Anderson, TXFairway (James Lime) | ActiveOil | 10,175 | Jun 2, 1995 | — | — |
| Fairway /James Lime/ Unit #748242-213-30756 | Highmark Energy Operating LLC | Henderson, TXFairway (James Lime) | Shut inOil | 10,125 | Jun 2, 1995 | — | — |
| Fairway /James Lime/ Unit #548442-213-30757 | Highmark Energy Operating LLC | Henderson, TXFairway (James Lime) | ActiveOil | 10,175 | Jun 2, 1995 | — | — |
| Shafter Lake Clearfork Unit #50442-003-04663 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | PluggedOil | 9,880 | May 24, 1995 | — | — |
| Fairway/James Lime/Unit #747342-001-32217 | Highmark Energy Operating LLC | Anderson, TXFairway (James Lime) | ActiveGas | 10,125 | May 17, 1995 | — | — |
| Shafter Lake Clearfork Unit #50342-003-04568 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | ActiveOil | 9,896 | May 17, 1995 | — | — |
| Prentice Northeast Unit #292L42-445-31712 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | PluggedOil | 7,650 | Mar 21, 1995 | — | — |
| Prentice Northeast Unit #28642-445-31713 | Highmark Energy Operating LLC | Terry, TXPrentice (6700) | ActiveOil | 7,650 | Mar 21, 1995 | — | — |
| Fairway /James Lime/ Unit #64042-213-00515 | Highmark Energy Operating LLC | Henderson, TXFairway (James Lime) | PluggedOil | 10,190 | Feb 23, 1995 | — | — |
| Shafter Lake Clearfork Unit #40442-003-37602 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | Shut inOil | 7,000 | Feb 17, 1995 | — | — |
| Shafter Lake Clearfork Unit #30742-003-37600 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | PluggedOil | 7,200 | Feb 15, 1995 | — | — |
| Shafter Lake Clearfork Unit #326W42-003-37601 | Highmark Energy Operating LLC | Andrews, TXShafter Lake (Clear Fork) | Shut inOil | 7,000 | Feb 15, 1995 | — | — |