| 638771Amendment | May 17, 2007 | May 17, 2007 | EOG Resources, Inc. | Mildred #2HH | 10,000 | 25131806 |
| 638768 | May 17, 2007 | May 17, 2007 | EOG Resources, Inc. | King #9HH | 7,500 | 25131805 |
| 638768Amendment | May 17, 2007 | May 17, 2007 | EOG Resources, Inc. | King #9HH | 7,500 | 25131805 |
| 638627 | May 17, 2007 | May 17, 2007 | Range Production Company | Wardlay #2HH | 9,000 | 25131797 |
| 638627Amendment | May 17, 2007 | May 17, 2007 | Range Production Company | Wardlay #2HH | 9,000 | 25131797 |
| 638675 | May 16, 2007 | May 16, 2007 | Chesapeake Operating, Inc. | Rich #3HH | 9,000 | 25131804 |
| 638674 | May 16, 2007 | May 16, 2007 | Chesapeake Operating, Inc. | Rich #2HH | 9,000 | 25131803 |
| 638673 | May 16, 2007 | May 16, 2007 | Chesapeake Operating, Inc. | Rich #1HH | 9,000 | 25131802 |
| 638667 | May 16, 2007 | May 16, 2007 | XTO Energy Inc. | Lewis Unit #A 1HH | 11,500 | 25131801 |
| 638667Amendment | May 16, 2007 | May 16, 2007 | XTO Energy Inc. | Lewis Unit #A 1HH | 11,500 | 25131801 |
| 638657 | May 16, 2007 | May 16, 2007 | XTO Energy Inc. | Morris Foust Unit #5HH | 12,000 | 25131800 |
| 638657Amendment | May 16, 2007 | May 16, 2007 | XTO Energy Inc. | Morris Foust Unit #5HH | 12,000 | 25131800 |
| 638648 | May 16, 2007 | May 16, 2007 | Range Production Company | Turkey Creek #7HH | 8,500 | 25131798 |
| 638648Amendment | May 16, 2007 | May 16, 2007 | Range Production Company | Turkey Creek Unit #7HH | 9,000 | 25131798 |
| 638641 | May 16, 2007 | May 16, 2007 | Range Production Company | Turkey Creek #6HH | 8,500 | 25131799 |
| 638577 | May 16, 2007 | May 16, 2007 | EOG Resources, Inc. | Geren #13HH | 7,500 | 25131794 |
| 638577Amendment | May 16, 2007 | May 16, 2007 | EOG Resources, Inc. | Geren #13HH | 10,000 | 25131794 |
| 638570 | May 16, 2007 | May 16, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #6H | 9,000 | 25131793 |
| 638570Amendment | May 16, 2007 | May 16, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #6H | 9,000 | 25131793 |
| 638570Amendment | May 16, 2007 | May 16, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #6H | 9,000 | 25131793 |
| 638536 | May 15, 2007 | May 15, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #7H | 9,000 | 25131792 |
| 638532 | May 15, 2007 | May 15, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #3H | 9,000 | 25131790 |
| 638530 | May 15, 2007 | May 15, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #5H | 9,000 | 25131791 |
| 638527 | May 15, 2007 | May 15, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #2H | 9,000 | 25131789 |
| 638523 | May 15, 2007 | May 15, 2007 | Burlington Resources O & G Co LP | Schmidt #3HH | 9,500 | 25131788 |
| 638404 | May 15, 2007 | May 15, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #1HH | 7,800 | 25131777 |
| 638455 | May 14, 2007 | May 14, 2007 | Devon Energy Production Co, L.P. | Wilson, Andrew #1H | 9,000 | 25131787 |
| 638453 | May 14, 2007 | May 14, 2007 | Range Production Company | Carl Flores Unit #2HH | 8,500 | 25131786 |
| 638450 | May 14, 2007 | May 14, 2007 | Arrington,david H. Oil & Gas,inc | Grey Moth #1HH | 8,900 | 25131785 |
| 638415 | May 12, 2007 | May 12, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #8HH | 7,800 | 25131783 |
| 638414 | May 12, 2007 | May 12, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #7HH | 7,800 | 25131782 |
| 638413 | May 12, 2007 | May 12, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #6HH | 7,800 | 25131781 |
| 638412 | May 12, 2007 | May 12, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #5HH | 7,800 | 25131780 |
| 638411 | May 12, 2007 | May 12, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #4HH | 7,800 | 25131779 |
| 638408 | May 12, 2007 | May 12, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #3HH | 7,800 | 25131784 |
| 638406 | May 12, 2007 | May 12, 2007 | EOG Resources, Inc. | Carolyn Teich Unit #2HH | 7,800 | 25131778 |
| 638368 | May 12, 2007 | May 12, 2007 | Devon Energy Production Co, L.P. | Sparger, Harvey #2H | 9,000 | 25131776 |
| 638365 | May 12, 2007 | May 12, 2007 | XTO Energy Inc. | Superior Unit #3HH | 12,000 | 25131775 |
| 638365Amendment | May 12, 2007 | May 12, 2007 | XTO Energy Inc. | Superior Unit #3HH | 12,000 | 25131775 |
| 638358 | May 12, 2007 | May 12, 2007 | XTO Energy Inc. | Burnett Carter Unit #3HH | 12,000 | 25131774 |
| 638358Amendment | May 12, 2007 | May 12, 2007 | XTO Energy Inc. | Burnett Carter Unit #3HH | 12,000 | 25131774 |
| 638342 | May 11, 2007 | May 11, 2007 | Arrington,david H. Oil & Gas,inc | Red Winged Governor #1HH | 8,900 | 25131773 |
| 638333 | May 11, 2007 | May 11, 2007 | EOG Resources, Inc. | Fricks #7HH | 7,800 | 25131771 |
| 638328 | May 11, 2007 | May 11, 2007 | EOG Resources, Inc. | Fricks #6HH | 7,800 | 25131770 |
| 638268 | May 11, 2007 | May 11, 2007 | Chesapeake Operating, Inc. | Graves #4HH | 9,000 | 25131772 |
| 638267 | May 11, 2007 | May 11, 2007 | Chesapeake Operating, Inc. | Wood, Rebecca #1HH | 9,000 | 25131769 |
| 638128 | May 9, 2007 | May 9, 2007 | EOG Resources, Inc. | Hughes Unit #4HH | 8,500 | 25131768 |
| 637871 | May 9, 2007 | May 9, 2007 | Chesapeake Operating, Inc. | South Chisholm Trail #1HH | 9,000 | 25131761 |
| 638125 | May 8, 2007 | May 8, 2007 | Devon Energy Production Co, L.P. | Balentine, Don #1H | 9,000 | 25131766 |
| 638123 | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Hughes Unit #3HH | 8,500 | 25131765 |
| 638120 | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #3HH | 8,500 | 25131763 |
| 638120Amendment | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #3HH | 10,000 | 25131763 |
| 638120Amendment | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #3HH | 10,000 | 25131763 |
| 638111 | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #2HH | 8,500 | 25131762 |
| 638111Amendment | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #2HH | 10,000 | 25131762 |
| 638111Amendment | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #2HH | 10,000 | 25131762 |
| 638106 | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #1HH | 8,500 | 25131760 |
| 638106Amendment | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #1HH | 10,000 | 25131760 |
| 638106Amendment | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Strange Unit #1HH | 10,000 | 25131760 |
| 638104 | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Hardcastle Unit #12HH | 7,800 | 25131759 |
| 638104Amendment | May 8, 2007 | May 8, 2007 | EOG Resources, Inc. | Hardcastle Unit #12HH | 10,000 | 25131759 |
| 638088 | May 7, 2007 | May 7, 2007 | Devon Energy Production Co, L.P. | Barr, Danny #4H | 9,000 | 25131757 |
| 638031 | May 7, 2007 | May 7, 2007 | Chesapeake Operating, Inc. | Little Hoss 7 #G 3HH | 9,000 | 25131756 |
| 638030 | May 7, 2007 | May 7, 2007 | Chesapeake Operating, Inc. | Little Hoss 7 #G 1HH | 9,000 | 25131755 |
| 637935 | May 7, 2007 | May 7, 2007 | North Texas Llano Operating Corp | Babbitt #1HH | 9,000 | 25131754 |
| 637935Amendment | May 7, 2007 | May 7, 2007 | North Texas Llano Operating Corp | Babbitt #1HH | 9,000 | 25131754 |
| 637826 | May 7, 2007 | May 7, 2007 | Arrington,david H. Oil & Gas,inc | Kate #2HH | 7,200 | 25131750 |
| 637826Amendment | May 7, 2007 | May 7, 2007 | Arrington,david H. Oil & Gas,inc | Kate #2HH | 7,200 | 25131750 |
| 637826Amendment | May 7, 2007 | May 7, 2007 | Arrington,david H. Oil & Gas,inc | Kate #2HH | 7,200 | 25131750 |
| 637823 | May 7, 2007 | May 7, 2007 | Arrington,david H. Oil & Gas,inc | Kate #1HH | 7,200 | 25131749 |
| 637823Amendment | May 7, 2007 | May 7, 2007 | Arrington,david H. Oil & Gas,inc | Kate #1HH | 7,200 | 25131749 |
| 637823Amendment | May 7, 2007 | May 7, 2007 | Arrington,david H. Oil & Gas,inc | Kate #1HH | 7,200 | 25131749 |
| 637946 | May 4, 2007 | May 4, 2007 | EOG Resources, Inc. | Robinson #3HH | 8,800 | 25131753 |
| 637906 | May 4, 2007 | May 4, 2007 | EOG Resources, Inc. | King #8HH | 7,800 | 25131752 |
| 637906Amendment | May 4, 2007 | May 4, 2007 | EOG Resources, Inc. | King #8HH | 7,800 | 25131752 |
| 637770 | May 4, 2007 | May 4, 2007 | EOG Resources, Inc. | U.S. Lime #11HH | 7,800 | 25131745 |
| 637770Amendment | May 4, 2007 | May 4, 2007 | EOG Resources, Inc. | U.S. Lime Unit C #11HH | 10,000 | 25131745 |
| 637769 | May 4, 2007 | May 4, 2007 | EOG Resources, Inc. | U.S. Lime #3HH | 7,800 | 25131744 |
| 637769Amendment | May 4, 2007 | May 4, 2007 | EOG Resources, Inc. | U.S. Lime Unit C #3HH | 10,000 | 25131744 |
| 637840 | May 3, 2007 | May 3, 2007 | Devon Energy Production Co, L.P. | Harvey Sparger #1H | 9,000 | 25131751 |
| 637804 | May 3, 2007 | May 3, 2007 | Chesapeake Operating, Inc. | Meadows #14HH | 9,000 | 25131748 |
| 637803 | May 3, 2007 | May 3, 2007 | Chesapeake Operating, Inc. | Meadows #10HH | 9,000 | 25131747 |
| 637658 | May 2, 2007 | May 2, 2007 | XTO Energy Inc. | Willie Lee Russell North #2HH | 12,000 | 25131741 |
| 637658Amendment | May 2, 2007 | May 2, 2007 | XTO Energy Inc. | Willie Lee Russell North #2HH | 12,000 | 25131741 |
| 637577 | May 2, 2007 | May 2, 2007 | Chesapeake Operating, Inc. | Hess #1HH | 9,000 | 25131730 |
| 637733 | May 1, 2007 | May 1, 2007 | Devon Energy Production Co, L.P. | Boyd, Charles #1H | 9,000 | 25131743 |
| 637699 | May 1, 2007 | May 1, 2007 | EOG Resources, Inc. | Rice University Unit #1HH | 7,900 | 25131742 |
| 637653 | May 1, 2007 | May 1, 2007 | Devon Energy Production Co, L.P. | Ross #1H | 9,000 | 25131740 |
| 637624 | Apr 30, 2007 | Apr 30, 2007 | EOG Resources, Inc. | K. D. Livestock a Unit #4HH | 8,000 | 25131738 |
| 637618 | Apr 30, 2007 | Apr 30, 2007 | EOG Resources, Inc. | K. D. Livestock a Unit #2HH | 8,050 | 25131737 |
| 637615 | Apr 30, 2007 | Apr 30, 2007 | EOG Resources, Inc. | K. D. Livestock a Unit #1HH | 8,050 | 25131735 |
| 637615Amendment | Apr 30, 2007 | Apr 30, 2007 | EOG Resources, Inc. | K. D. Livestock a Unit #1HH | 8,050 | 25131735 |
| 637614 | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Cruey #2HH | 9,000 | 25131734 |
| 637586 | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Goex #9HH | 9,000 | 25131733 |
| 637585 | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Goex #8HH | 9,000 | 25131732 |
| 637579 | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Hess #3HH | 9,000 | 25131736 |
| 637578 | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Hess #2HH | 9,000 | 25131731 |
| 637573 | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Stults-Welborn #1HH | 9,000 | 25131729 |
| 637573Amendment | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Stults-Welborn #1HH | 9,000 | 25131729 |
| 637572 | Apr 30, 2007 | Apr 30, 2007 | Chesapeake Operating, Inc. | Isbell #2HH | 9,000 | 25131728 |