| 656130Amendment | Mar 6, 2008 | Mar 6, 2008 | XTO Energy Inc. | Warren Unit #3HH | 12,000 | 25132692 |
| 656076 | Mar 6, 2008 | Mar 6, 2008 | Chesapeake Operating, Inc. | Kenah #5HH | 9,000 | 25132690 |
| 656074 | Mar 6, 2008 | Mar 6, 2008 | Chesapeake Operating, Inc. | Kenah #3HH | 9,000 | 25132689 |
| 656074Amendment | Mar 6, 2008 | Mar 6, 2008 | Chesapeake Operating, Inc. | Kenah #3HH | 9,000 | 25132689 |
| 656072 | Mar 6, 2008 | Mar 6, 2008 | Chesapeake Operating, Inc. | Kenah #1HH | 9,000 | 25132688 |
| 656034 | Mar 6, 2008 | Mar 6, 2008 | EOG Resources, Inc. | Rhome Estate Unit #1HH | 10,000 | 25132695 |
| 655990 | Mar 4, 2008 | Mar 4, 2008 | Chesapeake Operating, Inc. | Dickeson A #3HH | 9,000 | 25132686 |
| 655990Amendment | Mar 4, 2008 | Mar 4, 2008 | Chesapeake Operating, Inc. | Dickeson A #3HH | 9,000 | 25132686 |
| 655989 | Mar 4, 2008 | Mar 4, 2008 | Chesapeake Operating, Inc. | Dickeson A #1HH | 9,000 | 25132687 |
| 655989Amendment | Mar 4, 2008 | Mar 4, 2008 | Chesapeake Operating, Inc. | Dickeson A #1HH | 9,000 | 25132687 |
| 655900 | Mar 4, 2008 | Mar 4, 2008 | EOG Resources, Inc. | Cca Unit #2 | 10,000 | 25132685 |
| 655743 | Mar 3, 2008 | Mar 3, 2008 | Devon Energy Production Co, L.P. | Elaine Keith #2HH | 9,000 | 25132673 |
| 655743Amendment | Mar 3, 2008 | Mar 3, 2008 | Devon Energy Production Co, L.P. | Elaine Keith #2HH | 9,000 | 25132673 |
| 655780 | Feb 28, 2008 | Feb 28, 2008 | Chesapeake Operating, Inc. | Burleson Cemetery #2HH | 9,000 | 25132676 |
| 655780Amendment | Feb 28, 2008 | Feb 28, 2008 | Chesapeake Operating, Inc. | City of Burleson #2HH | 9,000 | 25132676 |
| 655752 | Feb 28, 2008 | Feb 28, 2008 | EOG Resources, Inc. | Lilly Unit #2HH | 10,000 | 25132675 |
| 655748 | Feb 28, 2008 | Feb 28, 2008 | EOG Resources, Inc. | Lilly Unit #1HH | 10,000 | 25132674 |
| 655742 | Feb 28, 2008 | Feb 28, 2008 | Devon Energy Production Co, L.P. | Elaine Keith #1HH | 9,000 | 25132679 |
| 655742Amendment | Feb 28, 2008 | Feb 28, 2008 | Devon Energy Production Co, L.P. | Elaine Keith #1HH | 9,000 | 25132679 |
| 655583 | Feb 28, 2008 | Feb 28, 2008 | Chesapeake Operating, Inc. | Hanna #12HH | 9,000 | 25132684 |
| 655583Amendment | Feb 28, 2008 | Feb 28, 2008 | Chesapeake Operating, Inc. | Hanna #12HH | 9,000 | 25132684 |
| 655680 | Feb 27, 2008 | Feb 27, 2008 | EOG Resources, Inc. | Walking T Ranch Unit #23HH | 10,000 | 25132672 |
| 655680Amendment | Feb 27, 2008 | Feb 27, 2008 | EOG Resources, Inc. | Walking T Ranch Unit #23HH | 10,000 | 25132672 |
| 655677 | Feb 27, 2008 | Feb 27, 2008 | EOG Resources, Inc. | Walking T Ranch Unit #22HH | 10,000 | 25132671 |
| 655677Amendment | Feb 27, 2008 | Feb 27, 2008 | EOG Resources, Inc. | Walking T Ranch Unit #22HH | 10,000 | 25132671 |
| 655674 | Feb 27, 2008 | Feb 27, 2008 | Devon Energy Production Co, L.P. | Arnold Pent #8HH | 9,000 | 25132670 |
| 655656 | Feb 27, 2008 | Feb 27, 2008 | EOG Resources, Inc. | Kemp D #14HH | 10,000 | 25132668 |
| 655653 | Feb 27, 2008 | Feb 27, 2008 | EOG Resources, Inc. | Kemp D #13HH | 10,000 | 25132666 |
| 655646 | Feb 27, 2008 | Feb 27, 2008 | Williams Prod. Gulf Coast, L.P. | Wma #3HH | 8,000 | 25132667 |
| 655646Amendment | Feb 27, 2008 | Feb 27, 2008 | Williams Prod. Gulf Coast, L.P. | Wma #3HH | 8,000 | 25132667 |
| 655645 | Feb 27, 2008 | Feb 27, 2008 | Williams Prod. Gulf Coast, L.P. | Wma #2HH | 8,000 | 25132665 |
| 655627 | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | West Lake #8HH | 9,000 | 25132664 |
| 655626 | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | West Lake #7HH | 9,000 | 25132663 |
| 655604 | Feb 27, 2008 | Feb 27, 2008 | Williams Prod. Gulf Coast, L.P. | Oak Valley #2HH | 8,000 | 25132660 |
| 655581 | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | Hanna #11HH | 9,000 | 25132678 |
| 655581Amendment | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | Hanna #11HH | 9,000 | 25132678 |
| 655581Amendment | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | Hanna #11HH | 9,000 | 25132678 |
| 655580 | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | Hanna #9HH | 9,000 | 25132683 |
| 655580Amendment | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | Hanna #9HH | 9,000 | 25132683 |
| 655580Amendment | Feb 27, 2008 | Feb 27, 2008 | Chesapeake Operating, Inc. | Hanna #9HH | 9,000 | 25132683 |
| 655432 | Feb 27, 2008 | Feb 27, 2008 | Devon Energy Production Co, L.P. | Mahaffey, Sue #15HH | 9,000 | 25132682 |
| 655432Amendment | Feb 27, 2008 | Feb 27, 2008 | Devon Energy Production Co, L.P. | Mahaffey, Sue #15HH | 9,000 | 25132682 |
| 655431 | Feb 27, 2008 | Feb 27, 2008 | Devon Energy Production Co, L.P. | Sue Mahaffey #14HH | 9,000 | 25132681 |
| 655406 | Feb 27, 2008 | Feb 27, 2008 | Devon Energy Production Co, L.P. | Sue Mahaffey #13HH | 9,000 | 25132680 |
| 653490 | Feb 27, 2008 | Feb 27, 2008 | EOG Resources, Inc. | Fleet Unit #9HH | 10,000 | 25132547 |
| 655612 | Feb 26, 2008 | Feb 26, 2008 | EOG Resources, Inc. | Willingham Unit #4HH | 10,000 | 25132662 |
| 655610 | Feb 26, 2008 | Feb 26, 2008 | EOG Resources, Inc. | Willingham Unit #3HH | 10,000 | 25132661 |
| 655591 | Feb 26, 2008 | Feb 26, 2008 | Devon Energy Production Co, L.P. | Hooper #5HH | 9,000 | 25132659 |
| 655579 | Feb 26, 2008 | Feb 26, 2008 | Chesapeake Operating, Inc. | Hanna #7HH | 9,000 | 25132677 |
| 655579Amendment | Feb 26, 2008 | Feb 26, 2008 | Chesapeake Operating, Inc. | Hanna #7HH | 9,000 | 25132677 |
| 655579Amendment | Feb 26, 2008 | Feb 26, 2008 | Chesapeake Operating, Inc. | Hanna #7HH | 9,000 | 25132677 |
| 655511 | Feb 25, 2008 | Feb 25, 2008 | Chesapeake Operating, Inc. | Manuel Labor #9HH | 9,000 | 25132658 |
| 655508 | Feb 25, 2008 | Feb 25, 2008 | Chesapeake Operating, Inc. | Manuel Labor #8HH | 9,000 | 25132657 |
| 655507 | Feb 25, 2008 | Feb 25, 2008 | Chesapeake Operating, Inc. | Manuel Labor #5HH | 9,000 | 25132656 |
| 655437 | Feb 25, 2008 | Feb 25, 2008 | Devon Energy Production Co, L.P. | McNeely #5HH | 9,000 | 25132655 |
| 655434 | Feb 25, 2008 | Feb 25, 2008 | EOG Resources, Inc. | Kemp D #11HH | 10,000 | 25132653 |
| 655408 | Feb 25, 2008 | Feb 25, 2008 | EOG Resources, Inc. | Kemp D #10HH | 10,000 | 25132652 |
| 655399 | Feb 25, 2008 | Feb 25, 2008 | EOG Resources, Inc. | Kemp D #9HH | 10,000 | 25132651 |
| 655397 | Feb 25, 2008 | Feb 25, 2008 | EOG Resources, Inc. | Kemp D #8HH | 10,000 | 25132650 |
| 655395 | Feb 25, 2008 | Feb 25, 2008 | EOG Resources, Inc. | Kemp D #7HH | 10,000 | 25132649 |
| 655394 | Feb 25, 2008 | Feb 25, 2008 | EOG Resources, Inc. | Caldwell Unit #2HH | 10,000 | 25132648 |
| 654154 | Feb 25, 2008 | Feb 25, 2008 | Chesapeake Operating, Inc. | William Ray #3HH | 9,000 | 25132579 |
| 655348 | Feb 23, 2008 | Feb 23, 2008 | Devon Energy Production Co, L.P. | John Cashion #7HH | 9,000 | 25132647 |
| 655343 | Feb 23, 2008 | Feb 23, 2008 | Devon Energy Production Co, L.P. | John Cashion #6HH | 9,000 | 25132646 |
| 655343Amendment | Feb 23, 2008 | Feb 23, 2008 | Devon Energy Production Co, L.P. | John Cashion #6HH | 9,000 | 25132646 |
| 655290 | Feb 23, 2008 | Feb 23, 2008 | XTO Energy Inc. | Freight Train Unit #4HH | 12,000 | 25132643 |
| 655290Amendment | Feb 23, 2008 | Feb 23, 2008 | XTO Energy Inc. | Freight Train Unit #4HH | 12,000 | 25132643 |
| 655291 | Feb 22, 2008 | Feb 22, 2008 | XTO Energy Inc. | Freight Train Unit #2HH | 12,000 | 25132644 |
| 655289 | Feb 22, 2008 | Feb 22, 2008 | XTO Energy Inc. | Freight Train Unit #5HH | 12,000 | 25132642 |
| 655288 | Feb 22, 2008 | Feb 22, 2008 | XTO Energy Inc. | Freight Train Unit #3HH | 12,000 | 25132645 |
| 655258 | Feb 22, 2008 | Feb 22, 2008 | Devon Energy Production Co, L.P. | Livingstone #4HH | 9,000 | 25132640 |
| 655255 | Feb 22, 2008 | Feb 22, 2008 | Devon Energy Production Co, L.P. | Livingstone #3HH | 9,000 | 25132638 |
| 655247 | Feb 22, 2008 | Feb 22, 2008 | Chesapeake Operating, Inc. | East Godley #9HH | 9,000 | 25132641 |
| 655246 | Feb 22, 2008 | Feb 22, 2008 | Chesapeake Operating, Inc. | East Godley #8HH | 9,000 | 25132654 |
| 655234 | Feb 22, 2008 | Feb 22, 2008 | Chesapeake Operating, Inc. | Meadows #15HH | 9,000 | 25132636 |
| 655232 | Feb 22, 2008 | Feb 22, 2008 | Chesapeake Operating, Inc. | Meadows #9HH | 9,000 | 25132637 |
| 655209 | Feb 22, 2008 | Feb 22, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #8HH | 9,000 | 25132635 |
| 655209Amendment | Feb 22, 2008 | Feb 22, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #8HH | 9,000 | 25132635 |
| 655019 | Feb 22, 2008 | Feb 22, 2008 | Chesapeake Operating, Inc. | Sawiki #5HH | 9,000 | 25132628 |
| 655207 | Feb 21, 2008 | Feb 21, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #6HH | 9,000 | 25132634 |
| 655207Amendment | Feb 21, 2008 | Feb 21, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #6HH | 9,000 | 25132634 |
| 655130 | Feb 21, 2008 | Feb 21, 2008 | Devon Energy Production Co, L.P. | Snodgress, Randal #6HH | 9,000 | 25132632 |
| 655127 | Feb 21, 2008 | Feb 21, 2008 | Devon Energy Production Co, L.P. | Snodgress, Randal #5HH | 9,000 | 25132631 |
| 655116 | Feb 21, 2008 | Feb 21, 2008 | Devon Energy Production Co, L.P. | Snodgress, Randal #4HH | 9,000 | 25132630 |
| 655076 | Feb 21, 2008 | Feb 21, 2008 | Chesapeake Operating, Inc. | Quail Hollow #6HH | 9,000 | 25132627 |
| 655076Amendment | Feb 21, 2008 | Feb 21, 2008 | Chesapeake Operating, Inc. | Quail Hollow #6HH | 9,000 | 25132627 |
| 655073 | Feb 21, 2008 | Feb 21, 2008 | Range Production Company | Boswell #4HH | 9,000 | 25132633 |
| 655008 | Feb 20, 2008 | Feb 20, 2008 | Chesapeake Operating, Inc. | White Wing Coachman "A" #6HH | 9,000 | 25132626 |
| 655008Amendment | Feb 20, 2008 | Feb 20, 2008 | Chesapeake Operating, Inc. | White Wing Coachman "A" #6HH | 9,000 | 25132626 |
| 655007 | Feb 20, 2008 | Feb 20, 2008 | Chesapeake Operating, Inc. | White Wing Coachman "A" #4HH | 9,000 | 25132624 |
| 655007Amendment | Feb 20, 2008 | Feb 20, 2008 | Chesapeake Operating, Inc. | White Wing Coachman "A" #4HH | 9,000 | 25132624 |
| 654944 | Feb 20, 2008 | Feb 20, 2008 | EOG Resources, Inc. | Ormsby Unit #2HH | 10,000 | 25132622 |
| 654940 | Feb 20, 2008 | Feb 20, 2008 | EOG Resources, Inc. | Ormsby Unit #1HH | 10,000 | 25132625 |
| 654737 | Feb 20, 2008 | Feb 20, 2008 | J-W Operating Co. | Silken #6HH | 15,000 | 25132611 |
| 654735 | Feb 20, 2008 | Feb 20, 2008 | J-W Operating Co. | Silken #5HH | 15,000 | 25132612 |
| 654732 | Feb 20, 2008 | Feb 20, 2008 | J-W Operating Co. | Silken #4HH | 15,000 | 25132610 |
| 654962 | Feb 19, 2008 | Feb 19, 2008 | Burlington Resources O & G Co LP | Dear Ranch #9HH | 9,000 | 25132623 |
| 654906 | Feb 19, 2008 | Feb 19, 2008 | Chesapeake Operating, Inc. | Grizzly King #3HH | 9,000 | 25132621 |
| 654906Amendment | Feb 19, 2008 | Feb 19, 2008 | Chesapeake Operating, Inc. | Grizzly King #3HH | 9,000 | 25132621 |
| 654870 | Feb 19, 2008 | Feb 19, 2008 | Devon Energy Production Co, L.P. | Sherrod, Frances #5H | 9,000 | 25132639 |