| 654869 | Feb 15, 2008 | Feb 15, 2008 | Devon Energy Production Co, L.P. | Frances Sherrod #4H | 9,000 | 25132619 |
| 654868 | Feb 15, 2008 | Feb 15, 2008 | Devon Energy Production Co, L.P. | Frances Sherrod #3H | 9,000 | 25132617 |
| 654866 | Feb 15, 2008 | Feb 15, 2008 | Devon Energy Production Co, L.P. | Frances Sherrod #2H | 9,000 | 25132618 |
| 654845 | Feb 15, 2008 | Feb 15, 2008 | Devon Energy Production Co, L.P. | Kennon, Alfred #8HH | 9,000 | 25132616 |
| 654798 | Feb 15, 2008 | Feb 15, 2008 | EOG Resources, Inc. | J.C Bell Estate Unit #7HH | 10,000 | 25132615 |
| 654792 | Feb 15, 2008 | Feb 15, 2008 | Burlington Resources O & G Co LP | Dear Ranch #8HH | 9,000 | 25132614 |
| 654789 | Feb 15, 2008 | Feb 15, 2008 | Burlington Resources O & G Co LP | Dear Ranch #7HH | 9,000 | 25132613 |
| 654682 | Feb 14, 2008 | Feb 14, 2008 | Chesapeake Operating, Inc. | Grizzly King #2HH | 9,000 | 25132609 |
| 654680 | Feb 14, 2008 | Feb 14, 2008 | Rimrock Energy, LLC | Couch Unit #3HH | 8,250 | 25132608 |
| 654646 | Feb 14, 2008 | Feb 14, 2008 | Chesapeake Operating, Inc. | Rich #7HH | 9,000 | 25132607 |
| 654645 | Feb 14, 2008 | Feb 14, 2008 | Chesapeake Operating, Inc. | Rich #6HH | 9,000 | 25132606 |
| 654620 | Feb 13, 2008 | Feb 13, 2008 | EOG Resources, Inc. | Rayburn Unit #3RHH | 10,000 | 25132605 |
| 654564 | Feb 13, 2008 | Feb 13, 2008 | EOG Resources, Inc. | US Lime #26HH | 10,000 | 25132598 |
| 654564Amendment | Feb 13, 2008 | Feb 13, 2008 | EOG Resources, Inc. | U.S. Lime Unit A #26HH | 10,000 | 25132598 |
| 654560 | Feb 13, 2008 | Feb 13, 2008 | EOG Resources, Inc. | US Lime #25HH | 10,000 | 25132597 |
| 654560Amendment | Feb 13, 2008 | Feb 13, 2008 | EOG Resources, Inc. | U.S. Lime Unit A #25HH | 10,000 | 25132597 |
| 654558 | Feb 13, 2008 | Feb 13, 2008 | EOG Resources, Inc. | US Lime #24HH | 10,000 | 25132599 |
| 654558Amendment | Feb 13, 2008 | Feb 13, 2008 | EOG Resources, Inc. | U.S. Lime Unit A #24HH | 10,000 | 25132599 |
| 654596 | Feb 12, 2008 | Feb 12, 2008 | Rimrock Energy, LLC | Couch Unit #2HH | 8,250 | 25132604 |
| 654589 | Feb 12, 2008 | Feb 12, 2008 | Devon Energy Production Co, L.P. | Angel, A. T. #5H | 9,000 | 25132602 |
| 654588 | Feb 12, 2008 | Feb 12, 2008 | Rimrock Energy, LLC | Couch Unit #1HH | 8,250 | 25132601 |
| 654575 | Feb 12, 2008 | Feb 12, 2008 | XTO Energy Inc. | Anthony Unit #1HH | 12,000 | 25132600 |
| 654575Amendment | Feb 12, 2008 | Feb 12, 2008 | XTO Energy Inc. | Anthony #1HH | 12,000 | 25132600 |
| 654575Amendment | Feb 12, 2008 | Feb 12, 2008 | XTO Energy Inc. | Anthony #1HH | 12,000 | 25132600 |
| 654504 | Feb 11, 2008 | Feb 11, 2008 | Devon Energy Production Co, L.P. | Snodgress, Randal #3HH | 9,000 | 25132596 |
| 654502 | Feb 11, 2008 | Feb 11, 2008 | Devon Energy Production Co, L.P. | Snodgress, Randal #2HH | 9,000 | 25132603 |
| 654468 | Feb 11, 2008 | Feb 11, 2008 | Chesapeake Operating, Inc. | Peacock #1HH | 9,000 | 25132595 |
| 654468Amendment | Feb 11, 2008 | Feb 11, 2008 | Chesapeake Operating, Inc. | Peacock #1HH | 9,000 | 25132595 |
| 654378 | Feb 9, 2008 | Feb 9, 2008 | EOG Resources, Inc. | Fleet Unit #8 | 10,000 | 25132594 |
| 654378Amendment | Feb 9, 2008 | Feb 9, 2008 | EOG Resources, Inc. | Fleet Unit #8HH | 10,000 | 25132594 |
| 654378Amendment | Feb 9, 2008 | Feb 9, 2008 | EOG Resources, Inc. | Fleet Unit #8HH | 10,000 | 25132594 |
| 654313 | Feb 8, 2008 | Feb 8, 2008 | Chesapeake Operating, Inc. | Allison #2HH | 9,000 | 25132592 |
| 654298 | Feb 8, 2008 | Feb 8, 2008 | EOG Resources, Inc. | Fleet Unit #7 | 10,000 | 25132593 |
| 654298Amendment | Feb 8, 2008 | Feb 8, 2008 | EOG Resources, Inc. | Fleet Unit #7HH | 10,000 | 25132593 |
| 654278 | Feb 8, 2008 | Feb 8, 2008 | Chesapeake Operating, Inc. | J & L #1HH | 9,000 | 25132588 |
| 654278Amendment | Feb 8, 2008 | Feb 8, 2008 | Chesapeake Operating, Inc. | J & L #1HH | 9,000 | 25132588 |
| 654276 | Feb 8, 2008 | Feb 8, 2008 | EOG Resources, Inc. | Fleet Unit #6 | 10,000 | 25132590 |
| 654276Amendment | Feb 8, 2008 | Feb 8, 2008 | EOG Resources, Inc. | Fleet Unit #6HH | 10,000 | 25132590 |
| 654177 | Feb 8, 2008 | Feb 8, 2008 | Chesapeake Operating, Inc. | Winscott #A 4HH | 9,000 | 25132578 |
| 654279 | Feb 7, 2008 | Feb 7, 2008 | Chesapeake Operating, Inc. | J & L #2HH | 9,000 | 25132589 |
| 654279Amendment | Feb 7, 2008 | Feb 7, 2008 | Chesapeake Operating, Inc. | J & L #2HH | 9,000 | 25132589 |
| 654262 | Feb 7, 2008 | Feb 7, 2008 | EOG Resources, Inc. | Berry Unit #1HH | 10,000 | 25132586 |
| 654252 | Feb 7, 2008 | Feb 7, 2008 | XTO Energy Inc. | Lewis Unit #C 2HH | 12,000 | 25132585 |
| 654252Amendment | Feb 7, 2008 | Feb 7, 2008 | XTO Energy Inc. | Lewis Unit #C 2HH | 12,000 | 25132585 |
| 654233 | Feb 7, 2008 | Feb 7, 2008 | Burlington Resources O & G Co LP | Georges Creek Ranch #24HH | 9,000 | 25132587 |
| 654230 | Feb 7, 2008 | Feb 7, 2008 | Chesapeake Operating, Inc. | Esparza #5HH | 9,000 | 25132584 |
| 654229 | Feb 7, 2008 | Feb 7, 2008 | Chesapeake Operating, Inc. | Esparza #4HH | 9,000 | 25132583 |
| 654228 | Feb 7, 2008 | Feb 7, 2008 | XTO Energy Inc. | Lewis Unit #C 1HH | 12,000 | 25132582 |
| 654228Amendment | Feb 7, 2008 | Feb 7, 2008 | XTO Energy Inc. | Lewis Unit #C 1HH | 12,000 | 25132582 |
| 654228Amendment | Feb 7, 2008 | Feb 7, 2008 | XTO Energy Inc. | Lewis Unit #C 1HH | 12,000 | 25132582 |
| 654213 | Feb 7, 2008 | Feb 7, 2008 | Chesapeake Operating, Inc. | Esparza #2HH | 9,000 | 25132580 |
| 654005 | Feb 6, 2008 | Feb 6, 2008 | Chesapeake Operating, Inc. | Forsberg #1HH | 9,000 | 25132576 |
| 654005Amendment | Feb 6, 2008 | Feb 6, 2008 | Chesapeake Operating, Inc. | Forsberg #1HH | 9,000 | 25132576 |
| 654014 | Feb 4, 2008 | Feb 4, 2008 | Chesapeake Operating, Inc. | Haynie #3HH | 9,000 | 25132577 |
| 653938 | Feb 4, 2008 | Feb 4, 2008 | Chesapeake Operating, Inc. | William Ray #2HH | 9,000 | 25132575 |
| 652437 | Feb 4, 2008 | Feb 4, 2008 | Chesapeake Operating, Inc. | Childress #8HH | 9,000 | 25132514 |
| 653935 | Feb 2, 2008 | Feb 2, 2008 | EOG Resources, Inc. | Hudson Unit #6HH | 10,000 | 25132574 |
| 653931 | Feb 2, 2008 | Feb 2, 2008 | EOG Resources, Inc. | Hudson Unit #5HH | 10,000 | 25132573 |
| 653856 | Feb 2, 2008 | Feb 2, 2008 | Devon Energy Production Co, L.P. | Nickelson, Gary #5HH | 9,000 | 25132572 |
| 653748 | Feb 1, 2008 | Feb 1, 2008 | XTO Energy Inc. | Bunny Leech B Unit #3HH | 12,000 | 25132570 |
| 653706 | Feb 1, 2008 | Feb 1, 2008 | Chesapeake Operating, Inc. | City of Cleburne #10HH | 9,000 | 25132566 |
| 653703 | Feb 1, 2008 | Feb 1, 2008 | Chesapeake Operating, Inc. | City of Cleburne #5HH | 9,000 | 25132563 |
| 653708 | Jan 31, 2008 | Jan 31, 2008 | EOG Resources, Inc. | Ferguson Foundation Unit #5HH | 10,000 | 25132568 |
| 653708Amendment | Jan 31, 2008 | Jan 31, 2008 | EOG Resources, Inc. | Ferguson Foundation Unit #5HH | 10,000 | 25132568 |
| 653707 | Jan 31, 2008 | Jan 31, 2008 | EOG Resources, Inc. | Ferguson Foundation Unit #4HH | 10,000 | 25132567 |
| 653704 | Jan 31, 2008 | Jan 31, 2008 | EOG Resources, Inc. | Ferguson Foundation Unit #3HH | 10,000 | 25132564 |
| 653702 | Jan 31, 2008 | Jan 31, 2008 | XTO Energy Inc. | Bunny Leech B Unit #2HH | 12,000 | 25132569 |
| 653692 | Jan 31, 2008 | Jan 31, 2008 | XTO Energy Inc. | Bunny Leech B Unit #1HH | 12,000 | 25132565 |
| 653692Amendment | Jan 31, 2008 | Jan 31, 2008 | XTO Energy Inc. | Bunny Leech B Unit #1HH | 12,000 | 25132565 |
| 653590 | Jan 31, 2008 | Jan 31, 2008 | Chesapeake Operating, Inc. | Mann, S. #15HH | 9,000 | 25132561 |
| 653638 | Jan 30, 2008 | Jan 30, 2008 | Chesapeake Operating, Inc. | Winscott #A 2HH | 9,000 | 25132562 |
| 653575 | Jan 30, 2008 | Jan 30, 2008 | Chesapeake Operating, Inc. | Johns Manville #4HH | 9,000 | 25132560 |
| 653574 | Jan 30, 2008 | Jan 30, 2008 | Chesapeake Operating, Inc. | Johns Manville #5HH | 9,000 | 25132559 |
| 653545 | Jan 30, 2008 | Jan 30, 2008 | Devon Energy Production Co, L.P. | A. D. Jackson #1HH | 9,000 | 25132558 |
| 653540 | Jan 30, 2008 | Jan 30, 2008 | EOG Resources, Inc. | U.S. Lime #23HH | 10,000 | 25132556 |
| 653540Amendment | Jan 30, 2008 | Jan 30, 2008 | EOG Resources, Inc. | U.S. Lime Unit B #23HH | 10,000 | 25132556 |
| 653536 | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | U. S. Lime #22HH | 10,000 | 25132555 |
| 653536Amendment | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | U.S. Lime Unit B #22HH | 10,000 | 25132555 |
| 653528 | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Caldwell Unit #1HH | 10,000 | 25132553 |
| 653527 | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Hudson Unit #4HH | 10,000 | 25132554 |
| 653527Amendment | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Hudson Unit #4HH | 10,000 | 25132554 |
| 653526 | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Hudson Unit #3H | 10,000 | 25132552 |
| 653526Amendment | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Hudson Unit #3HH | 10,000 | 25132552 |
| 653510 | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Fleet Unit #13HH | 10,000 | 25132551 |
| 653499 | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Fleet Unit #12HH | 10,000 | 25132549 |
| 653496 | Jan 29, 2008 | Jan 29, 2008 | Chesapeake Operating, Inc. | HF Meadows #1HH | 9,000 | 25132550 |
| 653492 | Jan 29, 2008 | Jan 29, 2008 | EOG Resources, Inc. | Fleet Unit #11HH | 10,000 | 25132548 |
| 653727 | Jan 28, 2008 | Jan 28, 2008 | Citrus Energy Corporation | Russell #1HH | 10,500 | 25132571 |
| 653727Amendment | Jan 28, 2008 | Jan 28, 2008 | Citrus Energy Corporation | Russell #1HH | 10,500 | 25132571 |
| 653435 | Jan 28, 2008 | Jan 28, 2008 | Chesapeake Operating, Inc. | Banks #1HH | 9,000 | 25132545 |
| 653394 | Jan 28, 2008 | Jan 28, 2008 | North Texas Llano Operating Corp | Lintner East #1HH | 9,000 | 25132544 |
| 653393 | Jan 28, 2008 | Jan 28, 2008 | Chesapeake Operating, Inc. | Esparza #1HH | 9,000 | 25132543 |
| 653393Amendment | Jan 28, 2008 | Jan 28, 2008 | Chesapeake Operating, Inc. | Esparza #1HH | 9,000 | 25132543 |
| 653337 | Jan 28, 2008 | Jan 28, 2008 | Chesapeake Operating, Inc. | Boatramp #3HH | 9,000 | 25132542 |
| 653304 | Jan 28, 2008 | Jan 28, 2008 | Chesapeake Operating, Inc. | Haynie #1HH | 9,000 | 25132537 |
| 653546 | Jan 25, 2008 | Jan 25, 2008 | Arrington,david H. Oil & Gas,inc | Lanham #1HH | 8,500 | 25132557 |
| 653350 | Jan 25, 2008 | Jan 25, 2008 | EOG Resources, Inc. | Clements Unit #12HH | 10,000 | 25132541 |
| 653350Amendment | Jan 25, 2008 | Jan 25, 2008 | EOG Resources, Inc. | Clements Unit #12HH | 10,000 | 25132541 |
| 653347 | Jan 25, 2008 | Jan 25, 2008 | EOG Resources, Inc. | Clements Unit #11HH | 10,000 | 25132540 |
| 653347Amendment | Jan 25, 2008 | Jan 25, 2008 | EOG Resources, Inc. | Clements Unit #11HH | 10,000 | 25132540 |