| 684346 | Aug 21, 2009 | Aug 21, 2009 | Chesapeake Operating, Inc. | Rodriguez #3HH | 9,000 | 25133741 |
| 684345 | Aug 21, 2009 | Aug 21, 2009 | Chesapeake Operating, Inc. | Rodriguez #2HH | 9,000 | 25133740 |
| 684317 | Aug 21, 2009 | Aug 21, 2009 | EOG Resources, Inc. | Evans/Randle Unit #5HH | 8,999 | 25133739 |
| 684255 | Aug 20, 2009 | Aug 20, 2009 | Chesapeake Operating, Inc. | Raintree #2HH | 9,000 | 25133736 |
| 684216 | Aug 19, 2009 | Aug 19, 2009 | Chesapeake Operating, Inc. | Raintree #1HH | 9,000 | 25133735 |
| 684203 | Aug 19, 2009 | Aug 19, 2009 | Chesapeake Operating, Inc. | Trail Oaks #1HH | 9,000 | 25133733 |
| 684203Amendment | Aug 19, 2009 | Aug 19, 2009 | Chesapeake Operating, Inc. | Trail Oaks #1HH | 9,000 | 25133733 |
| 684172 | Aug 19, 2009 | Aug 19, 2009 | XTO Energy Inc. | Gery Smith Unit #18HH | 11,000 | 25133731 |
| 684172Amendment | Aug 19, 2009 | Aug 19, 2009 | XTO Energy Inc. | Gery Smith Unit #18HH | 11,000 | 25133731 |
| 684170 | Aug 19, 2009 | Aug 19, 2009 | XTO Energy Inc. | Gery Smith Unit #16HH | 11,000 | 25133732 |
| 684170Amendment | Aug 19, 2009 | Aug 19, 2009 | XTO Energy Inc. | Gery Smith Unit #16HH | 10,000 | 25133732 |
| 683968 | Aug 12, 2009 | Aug 12, 2009 | Chesapeake Operating, Inc. | McMurry #3HH | 9,000 | 25133730 |
| 683967 | Aug 12, 2009 | Aug 12, 2009 | Chesapeake Operating, Inc. | McMurry #2HH | 9,000 | 25133729 |
| 683749 | Aug 5, 2009 | Aug 5, 2009 | EOG Resources, Inc. | Kolar Unit #11HH | 8,999 | 25133728 |
| 683727 | Aug 5, 2009 | Aug 5, 2009 | Chesapeake Operating, Inc. | Terry #8HH | 9,000 | 25133727 |
| 683727Amendment | Aug 5, 2009 | Aug 5, 2009 | Chesapeake Operating, Inc. | Terry #8HH | 9,000 | 25133727 |
| 683725 | Aug 5, 2009 | Aug 5, 2009 | Chesapeake Operating, Inc. | Terry #7HH | 9,000 | 25133726 |
| 683690 | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Terry #6HH | 12,000 | 25133725 |
| 683666 | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Dimock #1HH | 9,000 | 25133724 |
| 683649 | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Hog A #1HH | 9,000 | 25133723 |
| 683649Amendment | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Hog A #1HH | 9,000 | 25133723 |
| 683649Amendment | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Hog A #1HH | 9,000 | 25133723 |
| 683619 | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #14HH | 9,000 | 25133722 |
| 683619Amendment | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #14HH | 9,000 | 25133722 |
| 683619Amendment | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #14HH | 9,000 | 25133722 |
| 683618 | Aug 4, 2009 | Aug 4, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #13HH | 9,000 | 25133721 |
| 683476 | Jul 30, 2009 | Jul 30, 2009 | Titan Operating, LLC | Bush Unit #1HH | 8,000 | 25133719 |
| 683574 | Jul 29, 2009 | Jul 29, 2009 | Chesapeake Operating, Inc. | Hog A #4HH | 9,000 | 25133720 |
| 683574Amendment | Jul 29, 2009 | Jul 29, 2009 | Chesapeake Operating, Inc. | Hog A #4HH | 9,000 | 25133720 |
| 683574Amendment | Jul 29, 2009 | Jul 29, 2009 | Chesapeake Operating, Inc. | Hog A #4HH | 9,000 | 25133720 |
| 683574Amendment | Jul 29, 2009 | Jul 29, 2009 | Chesapeake Operating, Inc. | Hog A #4HH | 9,000 | 25133720 |
| 683465 | Jul 27, 2009 | Jul 27, 2009 | XTO Energy Inc. | Burnett Carter Unit #4HH | 11,000 | 25133718 |
| 683465Amendment | Jul 27, 2009 | Jul 27, 2009 | XTO Energy Inc. | Burnett Carter Unit #4HH | 11,500 | 25133718 |
| 681378 | Jul 24, 2009 | Jul 24, 2009 | Chesapeake Operating, Inc. | Cleburne Propane #1HH | 9,000 | 25133654 |
| 681378Amendment | Jul 24, 2009 | Jul 24, 2009 | Chesapeake Operating, Inc. | Cleburne Propane #1HH | 9,000 | 25133654 |
| 681378Amendment | Jul 24, 2009 | Jul 24, 2009 | Chesapeake Operating, Inc. | Cleburne Propane #1HH | 9,000 | 25133654 |
| 683267 | Jul 22, 2009 | Jul 22, 2009 | Chesapeake Operating, Inc. | Mize Family #37HH | 9,000 | 25133717 |
| 683218 | Jul 22, 2009 | Jul 22, 2009 | Chesapeake Operating, Inc. | Bacsik #1HH | 9,000 | 25133716 |
| 683218Amendment | Jul 22, 2009 | Jul 22, 2009 | Chesapeake Operating, Inc. | Bacsik #1HH | 9,000 | 25133716 |
| 683218Amendment | Jul 22, 2009 | Jul 22, 2009 | Chesapeake Operating, Inc. | Bacsik #1HH | 9,000 | 25133716 |
| 683218Amendment | Jul 22, 2009 | Jul 22, 2009 | Chesapeake Operating, Inc. | Bacsik #1HH | 9,000 | 25133716 |
| 683207 | Jul 21, 2009 | Jul 21, 2009 | XTO Energy Inc. | Colonial a Unit #11HH | 11,000 | 25133715 |
| 683207Amendment | Jul 21, 2009 | Jul 21, 2009 | XTO Energy Inc. | Colonial a Unit #11HH | 13,000 | 25133715 |
| 683196 | Jul 21, 2009 | Jul 21, 2009 | EOG Resources, Inc. | Evans/Randle Unit #4HH | 8,999 | 25133714 |
| 683196Amendment | Jul 21, 2009 | Jul 21, 2009 | EOG Resources, Inc. | Evans/Randle Unit #4HH | 8,999 | 25133714 |
| 683195 | Jul 21, 2009 | Jul 21, 2009 | Chesapeake Operating, Inc. | V Collins #1HH | 9,000 | 25133713 |
| 683182 | Jul 21, 2009 | Jul 21, 2009 | Chesapeake Operating, Inc. | Skaggs #7HH | 9,000 | 25133710 |
| 683191 | Jul 20, 2009 | Jul 20, 2009 | EOG Resources, Inc. | Evans/Randle Unit #3HH | 8,999 | 25133712 |
| 683191Amendment | Jul 20, 2009 | Jul 20, 2009 | EOG Resources, Inc. | Evans/Randle Unit #3HH | 8,999 | 25133712 |
| 683189 | Jul 20, 2009 | Jul 20, 2009 | EOG Resources, Inc. | Evans/Randle Unit #2HH | 8,999 | 25133711 |
| 683189Amendment | Jul 20, 2009 | Jul 20, 2009 | EOG Resources, Inc. | Evans/Randle Unit #2HH | 8,999 | 25133711 |
| 683031 | Jul 15, 2009 | Jul 15, 2009 | Chesapeake Operating, Inc. | Green Ridge Lane #2HH | 9,000 | 25133709 |
| 682941 | Jul 14, 2009 | Jul 14, 2009 | XTO Energy Inc. | Bunny Leech Unit #4HH | 11,000 | 25133708 |
| 682941Amendment | Jul 14, 2009 | Jul 14, 2009 | XTO Energy Inc. | Bunny Leech Unit #4HH | 10,500 | 25133708 |
| 682938 | Jul 13, 2009 | Jul 13, 2009 | XTO Energy Inc. | Bunny Leech Unit #2HH | 11,000 | 25133707 |
| 682909 | Jul 10, 2009 | Jul 10, 2009 | Chief Oil & Gas LLC | Springwood Unit #1HH | 8,900 | 25133705 |
| 682909Amendment | Jul 10, 2009 | Jul 10, 2009 | Collins & Young Oper, L.L.C. | Springwood Unit #1HH | 8,900 | 25133705 |
| 682861 | Jul 10, 2009 | Jul 10, 2009 | Chesapeake Operating, Inc. | Cates #4HH | 9,000 | 25133703 |
| 682828 | Jul 9, 2009 | Jul 9, 2009 | EOG Resources, Inc. | Gallagher Unit #6HH | 8,999 | 25133702 |
| 682821 | Jul 9, 2009 | Jul 9, 2009 | Devon Energy Production Co, L.P. | Moore, M. J. #1HH | 9,000 | 25133706 |
| 682776 | Jul 9, 2009 | Jul 9, 2009 | XTO Energy Inc. | Cleburne State Park #5HH | 11,000 | 25133704 |
| 682776Amendment | Jul 9, 2009 | Jul 9, 2009 | XTO Energy Inc. | Cleburne State Park #5HH | 11,000 | 25133704 |
| 682775 | Jul 6, 2009 | Jul 6, 2009 | Chesapeake Operating, Inc. | Trail Oaks #3HH | 9,000 | 25133701 |
| 682775Amendment | Jul 6, 2009 | Jul 6, 2009 | Chesapeake Operating, Inc. | Trail Oaks #3HH | 9,000 | 25133701 |
| 682775Amendment | Jul 6, 2009 | Jul 6, 2009 | Chesapeake Operating, Inc. | Trail Oaks #3HH | 9,000 | 25133701 |
| 682775Amendment | Jul 6, 2009 | Jul 6, 2009 | Chesapeake Operating, Inc. | Trail Oaks #3HH | 9,000 | 25133701 |
| 682690 | Jul 2, 2009 | Jul 2, 2009 | Chesapeake Operating, Inc. | Aurora #1HH | 9,000 | 25133700 |
| 682302 | Jun 30, 2009 | Jun 30, 2009 | Chesapeake Operating, Inc. | Hanna #10HH | 9,000 | 25133681 |
| 682535 | Jun 29, 2009 | Jun 29, 2009 | Devon Energy Production Co, L.P. | Jackson, W. G. #1HH | 9,000 | 25133699 |
| 682535Amendment | Jun 29, 2009 | Jun 29, 2009 | Devon Energy Production Co, L.P. | Jackson, W. G. #1HH | 9,000 | 25133699 |
| 682520 | Jun 26, 2009 | Jun 26, 2009 | Chesapeake Operating, Inc. | Unicorn #1HH | 9,000 | 25133697 |
| 682520Amendment | Jun 26, 2009 | Jun 26, 2009 | Chesapeake Operating, Inc. | Unicorn #1HH | 9,000 | 25133697 |
| 682520Amendment | Jun 26, 2009 | Jun 26, 2009 | Chesapeake Operating, Inc. | Unicorn #1HH | 9,000 | 25133697 |
| 682520Amendment | Jun 26, 2009 | Jun 26, 2009 | Chesapeake Operating, Inc. | Unicorn #1HH | 9,000 | 25133697 |
| 682520Amendment | Jun 26, 2009 | Jun 26, 2009 | Chesapeake Operating, Inc. | Unicorn #1HH | 9,000 | 25133697 |
| 682373 | Jun 25, 2009 | Jun 25, 2009 | XTO Energy Inc. | Beadles Unit #6HH | 11,000 | 25133693 |
| 682373Amendment | Jun 25, 2009 | Jun 25, 2009 | XTO Energy Inc. | Beadles Unit #6HH | 10,000 | 25133693 |
| 682479 | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | Core Lab #8HH | 8,999 | 25133696 |
| 682409 | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | H F Alfrey Unit #2HH | 8,999 | 25133695 |
| 682409Amendment | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | H F Alfrey Unit #2HH | 8,999 | 25133695 |
| 682409Amendment | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | H F Alfrey Unit #2HH | 8,999 | 25133695 |
| 682407 | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | H F Alfrey Unit #1HH | 8,999 | 25133694 |
| 682407Amendment | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | H F Alfrey Unit #1HH | 8,999 | 25133694 |
| 682407Amendment | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | H F Alfrey Unit #1HH | 8,999 | 25133694 |
| 682407Amendment | Jun 24, 2009 | Jun 24, 2009 | EOG Resources, Inc. | H F Alfrey Unit #1HH | 8,999 | 25133694 |
| 682369 | Jun 24, 2009 | Jun 24, 2009 | Chesapeake Operating, Inc. | Hanna #6HH | 9,000 | 25133692 |
| 682368 | Jun 24, 2009 | Jun 24, 2009 | Chesapeake Operating, Inc. | Hanna #8HH | 9,000 | 25133691 |
| 682364 | Jun 24, 2009 | Jun 24, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #12HH | 9,000 | 25133690 |
| 682348 | Jun 24, 2009 | Jun 24, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #10HH | 9,000 | 25133687 |
| 682328 | Jun 24, 2009 | Jun 24, 2009 | Chesapeake Operating, Inc. | Donna Ray #4HH | 9,000 | 25133685 |
| 682326 | Jun 24, 2009 | Jun 24, 2009 | Chesapeake Operating, Inc. | Donna Ray #3HH | 9,000 | 25133684 |
| 682354 | Jun 23, 2009 | Jun 23, 2009 | Chesapeake Operating, Inc. | Waddell #2HH | 9,000 | 25133686 |
| 682349 | Jun 23, 2009 | Jun 23, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #11HH | 9,000 | 25133689 |
| 682349Amendment | Jun 23, 2009 | Jun 23, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #11HH | 9,000 | 25133689 |
| 682349Amendment | Jun 23, 2009 | Jun 23, 2009 | Chesapeake Operating, Inc. | Buffalo Ridge #11HH | 9,000 | 25133689 |
| 682343 | Jun 23, 2009 | Jun 23, 2009 | Quicksilver Resources Inc. | James B. Mooney Unit #2HH | 9,000 | 25133688 |
| 682343Amendment | Jun 23, 2009 | Jun 23, 2009 | Quicksilver Resources Inc. | James B. Mooney Unit #2HH | 9,000 | 25133688 |
| 682325 | Jun 23, 2009 | Jun 23, 2009 | Chesapeake Operating, Inc. | Donna Ray #2HH | 9,000 | 25133683 |
| 682300 | Jun 23, 2009 | Jun 23, 2009 | Chesapeake Operating, Inc. | Hanna #5HH | 9,000 | 25133682 |
| 682297 | Jun 22, 2009 | Jun 22, 2009 | Chesapeake Operating, Inc. | Urrey #5HH | 9,000 | 25133680 |