| 2008-09-10 | 669387 | 42-435-39078 | WARD 127 #20 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,700 | |
| 2008-09-10 | 669174 | 42-435-39077 | SIMMONS 71 #17 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,550 | |
| 2008-09-10 | 669169 | 42-435-39079 | SIMMONS 71 #15 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,550 | |
| 2008-09-10 | 669157 | 42-435-39080 | SIMMONS 72 #17 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,600 | |
| 2008-09-09 | 667707 | 42-435-39069 | BLOODWORTH 140 #9 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,750 | |
| 2008-09-06 | 669166 | 42-435-39076 | SIMMONS 71 #16 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,550 | |
| 2008-09-04 | 668900 | 42-435-39073 | MECKEL A #74 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 7,600 | |
| 2008-09-04 | 661203 | 42-435-38991 | WARD 127 #23 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,445 | |
| 2008-09-03 | 668907 | 42-435-39074 | MAYER RANCH 41 #4 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,975 | |
| 2008-09-03 | 668860 | 42-435-39072 | MAYER RANCH 41 #3 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,900 | |
| 2008-08-21 | 668136 | 42-435-39071 | VANDERSTUCKEN, JOE M. #16 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,975 | |
| 2008-08-21 | 668136 | 42-435-39071 | VANDERSTUCKEN, JOE M. #16 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,975 | |
| 2008-08-21 | 668134 | 42-435-39070 | VANDERSTUCKEN, JOE M. #19 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,975 | |
| 2008-08-21 | 666223 | 42-435-39053 | MAYER #16A | MARINER ENERGY, INC. | DRILL | 10,000 | |
| 2008-08-14 | 666347 | 42-435-39056 | JONES RANCH #1868 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,450 | |
| 2008-08-11 | 667611 | 42-435-39068 | FEM #1412 | FOUNDATION ENERGY MANAGEMENT LLC | DRILL | 7,800 | |
| 2008-08-07 | 667162 | 42-435-39067 | JONES RANCH 156 #7 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 7,800 | |
| 2008-08-07 | 666952 | 42-435-39066 | RICHARDSON 139 #13 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,750 | |
| 2008-08-05 | 664592 | 42-435-39034 | STEEN #101 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,100 | |
| 2008-08-04 | 666716 | 42-435-39063 | MAYER, EDWIN S. JR. "B" 38 #3 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,675 | |
| 2008-08-04 | 666618 | 42-435-39062 | BROWN,JACK W. 2 #1 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 9,825 | |
| 2008-08-02 | 666718 | 42-435-39065 | STEWART #308 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 5,950 | |
| 2008-08-02 | 666717 | 42-435-39064 | MAYER, EDWIN S. JR. "B" 38 #2 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,675 | |
| 2008-08-01 | 666496 | 42-435-39060 | MAYER, EDWIN S. JR. B39 #4 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,700 | |
| 2008-08-01 | 666485 | 42-435-39059 | MAYER, EDWIN S. JR. B 39 #3 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,700 | |
| 2008-08-01 | 666475 | 42-435-39058 | MAYER,EDWIN S. JR. B39 #2 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,700 | |
| 2008-07-31 | 666521 | 42-435-39061 | MITTEL, BEN #25 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 7,400 | |
| 2008-07-31 | 666521 | 42-435-39061 | MITTEL, BEN #25 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 7,400 | |
| 2008-07-30 | 666461 | 42-435-39057 | MAYER,EDWIN S. JR.B39 #1 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,700 | |
| 2008-07-30 | 665906 | 42-435-39052 | STEWART #207 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 5,750 | |
| 2008-07-28 | 666243 | 42-435-39055 | SIMMONS 3 #10 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,450 | |
| 2008-07-24 | 666008 | 42-435-39050 | DIEBITSCH 70 #16 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,450 | |
| 2008-07-24 | 665918 | 42-435-39049 | EVANS 120 #2 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 7,550 | |
| 2008-07-22 | 666048 | 42-435-39051 | LANCASTER 185 #3 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,450 | |
| 2008-07-22 | 665909 | 42-435-39048 | SIMMONS 72 #16 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,450 | |
| 2008-07-22 | 665909 | 42-435-39048 | SIMMONS 72 #16 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 8,450 | |
| 2008-07-22 | 665686 | 42-435-39045 | SHURLEY 123 #32 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,900 | |
| 2008-07-22 | 665684 | 42-435-39044 | SHURLEY 123 #31 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,950 | |
| 2008-07-22 | 665681 | 42-435-39043 | SHURLEY 123 #30 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,900 | |
| 2008-07-22 | 665679 | 42-435-39042 | SHURLEY 123 #29 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,900 | |
| 2008-07-22 | 665677 | 42-435-39041 | SHURLEY 123 #28 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,900 | |
| 2008-07-22 | 665677 | 42-435-39041 | SHURLEY 123 #28 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,900 | |
| 2008-07-22 | 663815 | 42-435-39020 | CANYON RANCH #310S | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 5,550 | |
| 2008-07-22 | 663812 | 42-435-39016 | CANYON RANCH #311S | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 5,550 | |
| 2008-07-22 | 663812 | 42-435-39016 | CANYON RANCH #311S | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,500 | |
| 2008-07-21 | 665756 | 42-435-39047 | STEWART #208 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 5,850 | |
| 2008-07-21 | 665664 | 42-435-39040 | SHURLEY 123 #27 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,900 | |
| 2008-07-21 | 665664 | 42-435-39040 | SHURLEY 123 #27 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 6,900 | |
| 2008-07-18 | 665697 | 42-435-39046 | STEWART #206 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 5,750 | |
| 2008-07-17 | 665433 | 42-435-39039 | STEWART #307 | HIGHMOUNT EXPL & PROD TEXAS LLC | DRILL | 5,900 | |