| 678789 | Feb 24, 2009 | Feb 24, 2009 | Chesapeake Operating, Inc. | East Allen #1HH | 9,000 | 25133569 |
| 678789Amendment | Feb 24, 2009 | Feb 24, 2009 | Chesapeake Operating, Inc. | East Allen #1HH | 9,000 | 25133569 |
| 678758 | Feb 24, 2009 | Feb 24, 2009 | Chesapeake Operating, Inc. | Burleson Elks #6HH | 9,000 | 25133565 |
| 678758Amendment | Feb 24, 2009 | Feb 24, 2009 | Chesapeake Operating, Inc. | Burleson Elks #6HH | 9,000 | 25133565 |
| 678758Amendment | Feb 24, 2009 | Feb 24, 2009 | Chesapeake Operating, Inc. | Burleson Elks #6HH | 9,000 | 25133565 |
| 655680Amendment | Feb 24, 2009 | Feb 24, 2009 | EOG Resources, Inc. | Walking T Ranch Unit #23HH | 10,000 | 25132672 |
| 655677Amendment | Feb 24, 2009 | Feb 24, 2009 | EOG Resources, Inc. | Walking T Ranch Unit #22HH | 10,000 | 25132671 |
| 678760 | Feb 23, 2009 | Feb 23, 2009 | XTO Energy Inc. | Hobdy Unit #2HH | 10,000 | 25133566 |
| 678760Amendment | Feb 23, 2009 | Feb 23, 2009 | XTO Energy Inc. | Hobdy Unit #2HH | 10,000 | 25133566 |
| 678760Amendment | Feb 23, 2009 | Feb 23, 2009 | XTO Energy Inc. | Hobdy Unit #2HH | 10,000 | 25133566 |
| 678743 | Feb 23, 2009 | Feb 23, 2009 | Chesapeake Operating, Inc. | Waddell #1HH | 9,000 | 25133564 |
| 678743Amendment | Feb 23, 2009 | Feb 23, 2009 | Chesapeake Operating, Inc. | Waddell #1HH | 9,000 | 25133564 |
| 678716 | Feb 23, 2009 | Feb 23, 2009 | Chesapeake Operating, Inc. | Winscott #G 5HH | 9,000 | 25133563 |
| 677747 | Feb 20, 2009 | Feb 20, 2009 | Chesapeake Operating, Inc. | Christian School #1HH | 9,000 | 25133532 |
| 675727Amendment | Feb 20, 2009 | Feb 20, 2009 | Chesapeake Operating, Inc. | Gearhart #1HH | 9,000 | 25133479 |
| 644800Amendment | Feb 20, 2009 | Feb 20, 2009 | XTO Energy Inc. | Wadsworth #1HH | 8,500 | 25132175 |
| 668655Amendment | Feb 19, 2009 | Feb 19, 2009 | Chesapeake Operating, Inc. | Barabas #4HH | 9,000 | 25133234 |
| 668654Amendment | Feb 19, 2009 | Feb 19, 2009 | Chesapeake Operating, Inc. | Barabas #3HH | 9,000 | 25133233 |
| 668652Amendment | Feb 17, 2009 | Feb 17, 2009 | Chesapeake Operating, Inc. | Barabas #2HH | 9,000 | 25133235 |
| 678534 | Feb 13, 2009 | Feb 13, 2009 | Chesapeake Operating, Inc. | Winscott #F 3HH | 9,000 | 25133562 |
| 678534Amendment | Feb 13, 2009 | Feb 13, 2009 | Chesapeake Operating, Inc. | Winscott #F 3HH | 9,000 | 25133562 |
| 678533 | Feb 13, 2009 | Feb 13, 2009 | Chesapeake Operating, Inc. | Winscott #F 1HH | 9,000 | 25133561 |
| 678453 | Feb 13, 2009 | Feb 13, 2009 | Devon Energy Production Co, L.P. | Morgan, Edmund #4H | 9,000 | 25133556 |
| 645522Amendment | Feb 13, 2009 | Feb 13, 2009 | Chesapeake Operating, Inc. | Willow Creek 'B' Unit #1HH | 9,000 | 25132205 |
| 678462 | Feb 12, 2009 | Feb 12, 2009 | Chesapeake Operating, Inc. | Joshua #1HH | 9,000 | 25133557 |
| 678462Amendment | Feb 12, 2009 | Feb 12, 2009 | Chesapeake Operating, Inc. | Joshua #1HH | 9,000 | 25133557 |
| 678462Amendment | Feb 12, 2009 | Feb 12, 2009 | Chesapeake Operating, Inc. | Joshua #1HH | 9,000 | 25133557 |
| 678449 | Feb 12, 2009 | Feb 12, 2009 | XTO Energy Inc. | Summit Unit #1HH | 11,000 | 25133560 |
| 678109Amendment | Feb 12, 2009 | Feb 12, 2009 | Chesapeake Operating, Inc. | Davenport #4HH | 9,000 | 25133550 |
| 678466 | Feb 11, 2009 | Feb 11, 2009 | Devon Energy Production Co, L.P. | McLeroy, W. R. #1HH | 9,000 | 25133558 |
| 677142 | Feb 10, 2009 | Feb 10, 2009 | Chesapeake Operating, Inc. | Blair #2HH | 9,000 | 25133516 |
| 676716Amendment | Feb 10, 2009 | Feb 10, 2009 | EOG Resources, Inc. | Gallagher Unit #5HH | 10,000 | 25133500 |
| 675754Amendment | Feb 10, 2009 | Feb 10, 2009 | Chesapeake Operating, Inc. | Kinnear #2HH | 9,000 | 25133480 |
| 678383 | Feb 9, 2009 | Feb 9, 2009 | EOG Resources, Inc. | Ellis Unit #1HH | 10,000 | 25133552 |
| 677104 | Feb 6, 2009 | Feb 6, 2009 | Chesapeake Operating, Inc. | Gearhart #2HH | 9,000 | 25133515 |
| 676715Amendment | Feb 6, 2009 | Feb 6, 2009 | EOG Resources, Inc. | Gallagher Unit #4HH | 10,000 | 25133499 |
| 676540Amendment | Feb 5, 2009 | Feb 5, 2009 | EOG Resources, Inc. | Gallagher Unit #3HH | 10,000 | 25133495 |
| 678109 | Feb 4, 2009 | Feb 4, 2009 | Chesapeake Operating, Inc. | Davenport #4HH | 9,000 | 25133550 |
| 678108 | Feb 4, 2009 | Feb 4, 2009 | Chesapeake Operating, Inc. | Davenport #3HH | 9,000 | 25133551 |
| 678107 | Feb 4, 2009 | Feb 4, 2009 | Chesapeake Operating, Inc. | Davenport #2HH | 9,000 | 25133549 |
| 678100 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Ken Teich Unit #8HH | 10,000 | 25133548 |
| 678098 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Ken Teich Unit #7HH | 10,000 | 25133547 |
| 678097 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Ken Teich Unit #6HH | 10,000 | 25133546 |
| 678093 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Ken Teich Unit #5HH | 10,000 | 25133545 |
| 678092 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Ken Teich Unit #4HH | 10,000 | 25133544 |
| 678088 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Ken Teich Unit #3HH | 10,000 | 25133543 |
| 678088Amendment | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Ken Teich Unit #3HH | 8,999 | 25133543 |
| 678065 | Feb 3, 2009 | Feb 3, 2009 | Chesapeake Operating, Inc. | Rodriguez #1HH | 9,000 | 25133542 |
| 678048 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Texas Royalties Unit #2HH | 10,000 | 25133541 |
| 678039 | Feb 3, 2009 | Feb 3, 2009 | EOG Resources, Inc. | Texas Royalties Unit #1HH | 10,000 | 25133539 |
| 678022 | Feb 2, 2009 | Feb 2, 2009 | Chesapeake Operating, Inc. | City of Cleburne #6HH | 9,000 | 25133540 |
| 677987 | Feb 2, 2009 | Feb 2, 2009 | XTO Energy Inc. | Gene Estes Winery Unit #1HH | 11,000 | 25133538 |
| 673131Amendment | Feb 2, 2009 | Feb 2, 2009 | Chesapeake Operating, Inc. | Kenah #8HH | 9,000 | 25133382 |
| 669943Amendment | Feb 2, 2009 | Feb 2, 2009 | Chesapeake Operating, Inc. | Kenah #7HH | 9,000 | 25133283 |
| 667078Amendment | Feb 2, 2009 | Feb 2, 2009 | Chesapeake Operating, Inc. | Kenah #6HH | 9,000 | 25133162 |
| 677896 | Jan 30, 2009 | Jan 30, 2009 | Chesapeake Operating, Inc. | Mattingly #3HH | 9,000 | 25133537 |
| 675262Amendment | Jan 30, 2009 | Jan 30, 2009 | EOG Resources, Inc. | Gallagher Unit #1HH | 10,000 | 25133478 |
| 665122Amendment | Jan 30, 2009 | Jan 30, 2009 | XTO Energy Inc. | Gafford Unit #B 2HH | 11,500 | 25133101 |
| 677900 | Jan 29, 2009 | Jan 29, 2009 | Chesapeake Operating, Inc. | Little Hoss 6 #K 5HH | 9,000 | 25133536 |
| 677899 | Jan 29, 2009 | Jan 29, 2009 | Chesapeake Operating, Inc. | Little Hoss 6 #K 3HH | 9,000 | 25133535 |
| 677895 | Jan 29, 2009 | Jan 29, 2009 | Chesapeake Operating, Inc. | Mattingly #2HH | 9,000 | 25133534 |
| 677894 | Jan 29, 2009 | Jan 29, 2009 | Chesapeake Operating, Inc. | Mattingly #1HH | 9,000 | 25133533 |
| 674110Amendment | Jan 29, 2009 | Jan 29, 2009 | EOG Resources, Inc. | Hudgins Unit #6HH | 10,000 | 25133414 |
| 674107Amendment | Jan 29, 2009 | Jan 29, 2009 | EOG Resources, Inc. | Hudgins Unit #5HH | 10,000 | 25133413 |
| 674104Amendment | Jan 29, 2009 | Jan 29, 2009 | EOG Resources, Inc. | Hudgins Unit #4HH | 10,000 | 25133411 |
| 671672Amendment | Jan 27, 2009 | Jan 27, 2009 | Chesapeake Operating, Inc. | Forsberg #5HH | 9,000 | 25133338 |
| 667621Amendment | Jan 26, 2009 | Jan 26, 2009 | Chesapeake Operating, Inc. | Mountain Valley #2HH | 9,000 | 25133191 |
| 677562 | Jan 22, 2009 | Jan 22, 2009 | EOG Resources, Inc. | Porter Unit #2HH | 10,000 | 25133531 |
| 677560 | Jan 22, 2009 | Jan 22, 2009 | EOG Resources, Inc. | Porter Unit #1HH | 10,000 | 25133530 |
| 672235Amendment | Jan 22, 2009 | Jan 22, 2009 | Chesapeake Operating, Inc. | Chevy #3HH | 9,000 | 25133353 |
| 672233Amendment | Jan 22, 2009 | Jan 22, 2009 | Chesapeake Operating, Inc. | Chevy #2HH | 9,000 | 25133352 |
| 671888Amendment | Jan 22, 2009 | Jan 22, 2009 | Chesapeake Operating, Inc. | Chevy #1HH | 9,000 | 25133344 |
| 670556Amendment | Jan 22, 2009 | Jan 22, 2009 | EOG Resources, Inc. | Page Unit #2HH | 10,000 | 25133297 |
| 677495 | Jan 21, 2009 | Jan 21, 2009 | Chesapeake Operating, Inc. | Grizzly King #4HH | 9,000 | 25133529 |
| 677495Amendment | Jan 21, 2009 | Jan 21, 2009 | Chesapeake Operating, Inc. | Grizzly King #4HH | 9,000 | 25133529 |
| 677489 | Jan 21, 2009 | Jan 21, 2009 | Chesapeake Operating, Inc. | Don Jernigan #3HH | 9,000 | 25133528 |
| 677489Amendment | Jan 21, 2009 | Jan 21, 2009 | Chesapeake Operating, Inc. | Don Jernigan #3HH | 9,000 | 25133528 |
| 677418 | Jan 20, 2009 | Jan 20, 2009 | Devon Energy Production Co, L.P. | Jackson, Lucille #1HH | 9,000 | 25133527 |
| 677418Amendment | Jan 20, 2009 | Jan 20, 2009 | Devon Energy Production Co, L.P. | Jackson, Lucille #1H | 9,000 | 25133527 |
| 677374 | Jan 20, 2009 | Jan 20, 2009 | EOG Resources, Inc. | Fricks #9HH | 10,000 | 25133526 |
| 677263 | Jan 16, 2009 | Jan 16, 2009 | XTO Energy Inc. | Lindsey Unit #1HH | 11,000 | 25133523 |
| 677263Amendment | Jan 16, 2009 | Jan 16, 2009 | XTO Energy Inc. | Lindsey Unit #1HH | 11,000 | 25133523 |
| 677263Amendment | Jan 16, 2009 | Jan 16, 2009 | XTO Energy Inc. | Lindsey Unit #1HH | 11,000 | 25133523 |
| 661370Amendment | Jan 16, 2009 | Jan 16, 2009 | XTO Energy Inc. | Molar Unit #1HH | 11,500 | 25132925 |
| 677151 | Jan 15, 2009 | Jan 15, 2009 | Devon Energy Production Co, L.P. | McLeroy #6HH | 9,000 | 25133519 |
| 677171 | Jan 14, 2009 | Jan 14, 2009 | XTO Energy Inc. | Neal #6HH | 10,000 | 25133522 |
| 677169 | Jan 14, 2009 | Jan 14, 2009 | XTO Energy Inc. | Neal #5HH | 10,000 | 25133521 |
| 677152 | Jan 13, 2009 | Jan 13, 2009 | Devon Energy Production Co, L.P. | McLeroy #7HH | 9,000 | 25133520 |
| 677150 | Jan 13, 2009 | Jan 13, 2009 | Devon Energy Production Co, L.P. | McLeroy #5HH | 9,000 | 25133518 |
| 677143 | Jan 13, 2009 | Jan 13, 2009 | Devon Energy Production Co, L.P. | McLeroy #4HH | 9,000 | 25133517 |
| 665676Amendment | Jan 12, 2009 | Jan 12, 2009 | XTO Energy Inc. | Kite Unit #1HH | 11,000 | 25133119 |
| 676963 | Jan 9, 2009 | Jan 9, 2009 | Chesapeake Operating, Inc. | City of Cleburne #11HH | 9,000 | 25133507 |
| 657657Amendment | Jan 9, 2009 | Jan 9, 2009 | EOG Resources, Inc. | Fry Unit #5HH | 10,000 | 25132758 |
| 677019 | Jan 8, 2009 | Jan 8, 2009 | Devon Energy Production Co, L.P. | Bussey, Thomas #1HH | 9,000 | 25133514 |
| 676988 | Jan 8, 2009 | Jan 8, 2009 | EOG Resources, Inc. | Richard Crider Unit #3HH | 10,000 | 25133512 |
| 676987 | Jan 8, 2009 | Jan 8, 2009 | EOG Resources, Inc. | Richard Crider Unit #2HH | 10,000 | 25133511 |
| 676968 | Jan 8, 2009 | Jan 8, 2009 | Chesapeake Operating, Inc. | Elaine #1HH | 9,000 | 25133510 |
| 676968Amendment | Jan 8, 2009 | Jan 8, 2009 | Chesapeake Operating, Inc. | Elaine #1HH | 9,000 | 25133510 |
| 676968Amendment | Jan 8, 2009 | Jan 8, 2009 | Chesapeake Operating, Inc. | Elaine #1HH | 9,000 | 25133510 |
| 676967 | Jan 8, 2009 | Jan 8, 2009 | Chesapeake Operating, Inc. | City of Cleburne #12HH | 9,000 | 25133509 |