| 2008-09-15 | 669859 | 42-113-30162 | DFW #D 3HE | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-08-28 | 666011 | 42-113-30157 | ISAMINGER #1H | NORTH TEXAS LLANO OPERATING CORP | DRILL | 9,000 | Y |
| 2008-08-09 | 667439 | 42-113-30161 | WITT #1H | NORTH TEXAS LLANO OPERATING CORP | DRILL | 9,000 | Y |
| 2008-08-02 | 666790 | 42-113-30156 | DFW #C 2HT | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-08-02 | 666789 | 42-113-30155 | DFW #D 4HD | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-07-24 | 666025 | 42-113-30153 | ISAMINGER #3H | NORTH TEXAS LLANO OPERATING CORP | DRILL | 9,000 | Y |
| 2008-07-24 | 666019 | 42-113-30154 | ISAMINGER #2H | NORTH TEXAS LLANO OPERATING CORP | DRILL | 9,000 | Y |
| 2008-07-21 | 665637 | 42-113-30152 | DFW #D 7HB | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-07-21 | 665637 | 42-113-30152 | DFW #D 7HB | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-07-21 | 665636 | 42-113-30151 | DFW #D 5HB | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-07-21 | 665636 | 42-113-30151 | DFW #D 5HB | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-07-21 | 665635 | 42-113-30148 | DFW #D 3HB | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-07-21 | 665635 | 42-113-30148 | DFW #D 3HB | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-07-21 | 665634 | 42-113-30149 | DFW #C 9HC | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-06-18 | 646992 | 42-113-30127 | DFW NORTH #A 9HN | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-05-29 | 642508 | 42-113-30117 | DFW NORTH #A 7HN | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-05-19 | 661267 | 42-113-30147 | UD #1H | EXPRO ENGINEERING, INC. | DRILL | 9,500 | Y |
| 2008-05-09 | 659758 | 42-113-30146 | GREGORY #1H | NORTH TEXAS LLANO OPERATING CORP | DRILL | 9,000 | Y |
| 2008-04-30 | 659718 | 42-113-30145 | TURBEVILLE #1H | NORTH TEXAS LLANO OPERATING CORP | DRILL | 9,000 | Y |
| 2008-04-21 | 658949 | 42-113-30143 | FELLOWSHIP #5H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-04-21 | 658949 | 42-113-30143 | FELLOWSHIP #5H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-04-21 | 658949 | 42-113-30143 | FELLOWSHIP #5H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-04-21 | 658948 | 42-113-30141 | FELLOWSHIP #4H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-04-21 | 658947 | 42-113-30142 | FELLOWSHIP #3H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-04-21 | 658946 | 42-113-30144 | FELLOWSHIP #2H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-04-21 | 658945 | 42-113-30140 | FELLOWSHIP #1H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-04-02 | 657801 | 42-113-30139 | DANCIGER TRUST #6H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-03-31 | 657669 | 42-113-30138 | STAPHS J. V. #1H | DALE OPERATING COMPANY | DRILL | 10,000 | Y |
| 2008-03-31 | 657668 | 42-113-30137 | HARDROCK PROPERTIES, LTD. #1H | DALE OPERATING COMPANY | DRILL | 10,000 | Y |
| 2008-03-12 | 656522 | 42-113-30136 | DFW #C 3HT | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-03-05 | 656050 | 42-113-30135 | M ENTERPRISES #1H | DALE OPERATING COMPANY | DRILL | 10,000 | Y |
| 2008-02-28 | 655485 | 42-113-30134 | DANCIGER TRUST #4H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-02-12 | 654562 | 42-113-30133 | DFW #C 4HH | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-02-12 | 654562 | 42-113-30133 | DFW #C 4HH | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-02-12 | 654562 | 42-113-30133 | DFW #C 4HH | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-02-12 | 654561 | 42-113-30132 | DFW #C 1HH | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-02-12 | 654561 | 42-113-30132 | DFW #C 1HH | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-01-04 | 652104 | 42-113-30131 | EQUITABLE #1H | DALE OPERATING COMPANY | DRILL | 10,000 | Y |
| 2008-01-04 | 652104 | 42-113-30131 | EQUITABLE #1H | DALE OPERATING COMPANY | DRILL | 10,000 | Y |
| 2008-01-04 | 652029 | 42-113-30130 | FELLOWSHIP #6H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2008-01-04 | 652029 | 42-113-30130 | FELLOWSHIP #6H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-12-19 | 646617 | 42-113-30122 | SEEFRIED #3H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-12-11 | 644196 | 42-113-30119 | CAMPBELL #1H | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-12-08 | 650472 | 42-113-30129 | SADEGHIAN #1H | DALE OPERATING COMPANY | DRILL | 8,730 | Y |
| 2007-11-21 | 649719 | 42-113-30128 | DFW NORTH #A 4HP | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-10-24 | 646990 | 42-113-30126 | DFW NORTH #A 8HN | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-10-03 | 646992 | 42-113-30127 | DFW NORTH #A 9HN | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-10-03 | 646992 | 42-113-30127 | DFW NORTH #A 9HN | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-10-03 | 646990 | 42-113-30126 | DFW NORTH #A 8HN | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |
| 2007-10-03 | 646948 | 42-113-30125 | DFW NORTH #A 3HP | CHESAPEAKE OPERATING, INC. | DRILL | 9,000 | Y |