| 667085 | Aug 6, 2008 | Aug 6, 2008 | EOG Resources, Inc. | Wolfe Unit #5HH | 10,000 | 25133164 |
| 667077 | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | Deann #1HH | 9,000 | 25133163 |
| 667077Amendment | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | Deann #1HH | 9,000 | 25133163 |
| 667077Amendment | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | Deann #1HH | 9,000 | 25133163 |
| 667077Amendment | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | Deann #1HH | 9,000 | 25133163 |
| 666975 | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | McAnier #4HH | 9,000 | 25133161 |
| 666973 | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | McAnier #3HH | 9,000 | 25133160 |
| 666911 | Aug 6, 2008 | Aug 6, 2008 | EOG Resources, Inc. | Adams Unit #3HH | 10,000 | 25133158 |
| 666899 | Aug 6, 2008 | Aug 6, 2008 | Chesapeake Operating, Inc. | I G Kennon #6HH | 9,000 | 25133155 |
| 666907 | Aug 5, 2008 | Aug 5, 2008 | EOG Resources, Inc. | Adams Unit #2HH | 10,000 | 25133157 |
| 666901 | Aug 5, 2008 | Aug 5, 2008 | Chesapeake Operating, Inc. | I G Kennon #7HH | 9,000 | 25133156 |
| 666901Amendment | Aug 5, 2008 | Aug 5, 2008 | Chesapeake Operating, Inc. | I G Kennon #7HH | 9,000 | 25133156 |
| 666813 | Aug 5, 2008 | Aug 5, 2008 | Chesapeake Operating, Inc. | Mann, S. #12HH | 9,000 | 25133152 |
| 666812 | Aug 5, 2008 | Aug 5, 2008 | Chesapeake Operating, Inc. | Mann, S. #9HH | 9,000 | 25133151 |
| 666745 | Aug 5, 2008 | Aug 5, 2008 | EOG Resources, Inc. | Beulah Unit #1HH | 10,000 | 25133146 |
| 666792 | Aug 4, 2008 | Aug 4, 2008 | Chesapeake Operating, Inc. | Wakeman #2HH | 9,000 | 25133149 |
| 666787 | Aug 4, 2008 | Aug 4, 2008 | Devon Energy Production Co, L.P. | Sherrod, Frances #7H | 9,000 | 25133154 |
| 666715 | Aug 4, 2008 | Aug 4, 2008 | Chesapeake Operating, Inc. | 1ST Baptist Church #1HH | 9,000 | 25133150 |
| 666625 | Aug 4, 2008 | Aug 4, 2008 | Chesapeake Operating, Inc. | East Godley #13HH | 9,000 | 25133139 |
| 666777 | Aug 2, 2008 | Aug 2, 2008 | EOG Resources, Inc. | V L Carrell Unit #4HH | 10,000 | 25133148 |
| 666774 | Aug 2, 2008 | Aug 2, 2008 | EOG Resources, Inc. | V L Carrell Unit #3HH | 10,000 | 25133147 |
| 666727 | Aug 2, 2008 | Aug 2, 2008 | Rimrock Energy, LLC | Cox Unit #1HH | 10,000 | 25133145 |
| 666725 | Aug 2, 2008 | Aug 2, 2008 | Rimrock Energy, LLC | Cox Unit #2HH | 10,000 | 25133143 |
| 666719 | Aug 2, 2008 | Aug 2, 2008 | Rimrock Energy, LLC | Cox Unit #3HH | 10,000 | 25133142 |
| 666626 | Aug 2, 2008 | Aug 2, 2008 | Chesapeake Operating, Inc. | East Godley #14HH | 9,000 | 25133138 |
| 667280 | Aug 1, 2008 | Aug 1, 2008 | Devon Energy Production Co, L.P. | Hooper #12HH | 9,000 | 25133141 |
| 666892 | Aug 1, 2008 | Aug 1, 2008 | Chesapeake Operating, Inc. | I G Kennon #3HH | 9,000 | 25133144 |
| 661410 | Aug 1, 2008 | Aug 1, 2008 | Williams Prod. Gulf Coast, L.P. | Forest Ridge #2HH | 7,700 | 25132941 |
| 666492 | Jul 30, 2008 | Jul 30, 2008 | Devon Energy Production Co, L.P. | Czajkowski,bruno #8HH | 9,000 | 25133137 |
| 666492Amendment | Jul 30, 2008 | Jul 30, 2008 | Devon Energy Production Co, L.P. | Czajkowski, Bruno #8HH | 9,000 | 25133137 |
| 666399 | Jul 30, 2008 | Jul 30, 2008 | Chesapeake Operating, Inc. | Willow Creek B #4HH | 9,000 | 25133135 |
| 666397 | Jul 30, 2008 | Jul 30, 2008 | Chesapeake Operating, Inc. | Willow Creek B #3HH | 9,000 | 25133134 |
| 666407 | Jul 29, 2008 | Jul 29, 2008 | Chesapeake Operating, Inc. | Little Hoss 7 #D 5HH | 9,000 | 25133136 |
| 666253 | Jul 28, 2008 | Jul 28, 2008 | Chesapeake Operating, Inc. | Billy Davenport #6HH | 9,000 | 25133133 |
| 666252 | Jul 28, 2008 | Jul 28, 2008 | Chesapeake Operating, Inc. | Billy Davenport #5HH | 9,000 | 25133132 |
| 666248 | Jul 28, 2008 | Jul 28, 2008 | Chesapeake Operating, Inc. | Billy Davenport #8HH | 9,000 | 25133131 |
| 666247 | Jul 28, 2008 | Jul 28, 2008 | Chesapeake Operating, Inc. | Billy Davenport #4HH | 9,000 | 25133129 |
| 666246 | Jul 28, 2008 | Jul 28, 2008 | Chesapeake Operating, Inc. | Billy Davenport #3HH | 9,000 | 25133130 |
| 666245 | Jul 28, 2008 | Jul 28, 2008 | Chesapeake Operating, Inc. | Billy Davenport #2HH | 9,000 | 25133128 |
| 666244 | Jul 28, 2008 | Jul 28, 2008 | Chesapeake Operating, Inc. | Billy Davenport #1HH | 9,000 | 25133127 |
| 666151 | Jul 25, 2008 | Jul 25, 2008 | EOG Resources, Inc. | Hausenfluck #3HH | 10,000 | 25133123 |
| 666149 | Jul 25, 2008 | Jul 25, 2008 | EOG Resources, Inc. | Hausenfluck #2HH | 10,000 | 25133124 |
| 661412 | Jul 25, 2008 | Jul 25, 2008 | Williams Prod. Gulf Coast, L.P. | Forest Ridge #1HH | 7,700 | 25132944 |
| 624119Amendment | Jul 25, 2008 | Jul 25, 2008 | XTO Energy Inc. | Harper Cattle G #C 5HH | 12,000 | 25131126 |
| 663168 | Jul 24, 2008 | Jul 24, 2008 | XTO Energy Inc. | Peggy Unit #A 3HH | 11,000 | 25133125 |
| 665892 | Jul 23, 2008 | Jul 23, 2008 | EOG Resources, Inc. | Oaks Unit #4HH | 10,000 | 25133122 |
| 665892Amendment | Jul 23, 2008 | Jul 23, 2008 | EOG Resources, Inc. | Oaks Unit #4HH | 8,999 | 25133122 |
| 665889 | Jul 22, 2008 | Jul 22, 2008 | EOG Resources, Inc. | Oaks Unit #3HH | 10,000 | 25133121 |
| 665889Amendment | Jul 22, 2008 | Jul 22, 2008 | EOG Resources, Inc. | Oaks Unit #3HH | 8,999 | 25133121 |
| 665793 | Jul 22, 2008 | Jul 22, 2008 | Chesapeake Operating, Inc. | William Ray #4HH | 9,000 | 25133120 |
| 664097 | Jul 22, 2008 | Jul 22, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #3H | 9,000 | 25133052 |
| 664059 | Jul 22, 2008 | Jul 22, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #2H | 9,000 | 25133051 |
| 665676 | Jul 21, 2008 | Jul 21, 2008 | XTO Energy Inc. | Kite Unit #1HH | 11,000 | 25133119 |
| 665566 | Jul 21, 2008 | Jul 21, 2008 | Williams Prod. Gulf Coast, L.P. | Wma #4HH | 7,670 | 25133117 |
| 665565 | Jul 21, 2008 | Jul 21, 2008 | Chesapeake Operating, Inc. | Willow Creek B #2HH | 9,000 | 25133116 |
| 665563 | Jul 21, 2008 | Jul 21, 2008 | Williams Prod. Gulf Coast, L.P. | Oak Valley #3HH | 7,575 | 25133115 |
| 661662Amendment | Jul 21, 2008 | Jul 21, 2008 | Chesapeake Operating, Inc. | City of Burleson #4HH | 9,000 | 25132935 |
| 665536 | Jul 18, 2008 | Jul 18, 2008 | XTO Energy Inc. | Green Highlander Unit #2HH | 10,500 | 25133114 |
| 665536Amendment | Jul 18, 2008 | Jul 18, 2008 | XTO Energy Inc. | Green Highlander Unit #2HH | 10,500 | 25133114 |
| 665482 | Jul 18, 2008 | Jul 18, 2008 | EOG Resources, Inc. | Youngblood Unit #7HH | 10,000 | 25133112 |
| 665479 | Jul 18, 2008 | Jul 18, 2008 | EOG Resources, Inc. | Youngblood Unit #6HH | 10,000 | 25133111 |
| 665476 | Jul 18, 2008 | Jul 18, 2008 | EOG Resources, Inc. | Youngblood Unit #5HH | 10,000 | 25133110 |
| 665475 | Jul 18, 2008 | Jul 18, 2008 | EOG Resources, Inc. | Youngblood Unit #4HH | 10,000 | 25133108 |
| 665471 | Jul 18, 2008 | Jul 18, 2008 | EOG Resources, Inc. | Youngblood Unit #3HH | 10,000 | 25133109 |
| 662187 | Jul 18, 2008 | Jul 18, 2008 | EOG Resources, Inc. | Stubbe Unit #2 | 10,000 | 25133118 |
| 662182 | Jul 18, 2008 | Jul 18, 2008 | EOG Resources, Inc. | Stubbe Unit #1 | 10,000 | 25133090 |
| 665424 | Jul 17, 2008 | Jul 17, 2008 | Chesapeake Operating, Inc. | Winscott #F 2HH | 9,000 | 25133106 |
| 665424Amendment | Jul 17, 2008 | Jul 17, 2008 | Chesapeake Operating, Inc. | Winscott #F 2HH | 9,000 | 25133106 |
| 665423 | Jul 17, 2008 | Jul 17, 2008 | Chesapeake Operating, Inc. | Winscott #F 4HH | 9,000 | 25133105 |
| 665397 | Jul 17, 2008 | Jul 17, 2008 | Chesapeake Operating, Inc. | Little Hoss #Y 3HH | 9,000 | 25133102 |
| 665362 | Jul 17, 2008 | Jul 17, 2008 | Chesapeake Operating, Inc. | Little Hoss 6 #K 2HH | 9,000 | 25133104 |
| 665361 | Jul 17, 2008 | Jul 17, 2008 | Chesapeake Operating, Inc. | Little Hoss 6 #K 4HH | 9,000 | 25133103 |
| 665358 | Jul 17, 2008 | Jul 17, 2008 | Devon Energy Production Co, L.P. | Arnold Pent #10HH | 9,000 | 25133100 |
| 665303 | Jul 17, 2008 | Jul 17, 2008 | Chesapeake Operating, Inc. | Berry #1HH | 9,000 | 25133098 |
| 663218Amendment | Jul 17, 2008 | Jul 17, 2008 | Devon Energy Production Co, L.P. | Donald Bennett #9HH | 9,000 | 25133018 |
| 665820 | Jul 16, 2008 | Jul 16, 2008 | Chesapeake Operating, Inc. | Poindexter #4HH | 9,000 | 25133113 |
| 665820Amendment | Jul 16, 2008 | Jul 16, 2008 | Chesapeake Operating, Inc. | Poindexter #4HH | 9,000 | 25133113 |
| 665327 | Jul 16, 2008 | Jul 16, 2008 | XTO Energy Inc. | Thunderbird Unit #1HH | 12,000 | 25133099 |
| 665327Amendment | Jul 16, 2008 | Jul 16, 2008 | XTO Energy Inc. | Ponderosa Unit #B 1HH | 12,000 | 25133099 |
| 665327Amendment | Jul 16, 2008 | Jul 16, 2008 | XTO Energy Inc. | Ponderosa Unit #B 1HH | 12,000 | 25133099 |
| 665311 | Jul 15, 2008 | Jul 15, 2008 | EOG Resources, Inc. | Ormsby Unit #3HH | 10,000 | 25133095 |
| 665180 | Jul 15, 2008 | Jul 15, 2008 | EOG Resources, Inc. | Bowerman/Carter Unit #4HH | 10,000 | 25133093 |
| 665180Amendment | Jul 15, 2008 | Jul 15, 2008 | EOG Resources, Inc. | Bowerman/Carter Unit #4HH | 10,000 | 25133093 |
| 665179 | Jul 15, 2008 | Jul 15, 2008 | EOG Resources, Inc. | Bowerman/Carter Unit #3HH | 10,000 | 25133094 |
| 665179Amendment | Jul 15, 2008 | Jul 15, 2008 | EOG Resources, Inc. | Bowerman/Carter Unit #3HH | 10,000 | 25133094 |
| 665100 | Jul 15, 2008 | Jul 15, 2008 | Tsar Operating Company | Mustang Creek Unit D #13HH | 10,700 | 25133091 |
| 665086 | Jul 15, 2008 | Jul 15, 2008 | Tsar Operating Company | Mustang Creek Unit D #12HH | 10,700 | 25133092 |
| 665086Amendment | Jul 15, 2008 | Jul 15, 2008 | Tsar Operating Company | Mustang Creek Unit D #12HH | 10,700 | 25133092 |
| 665083 | Jul 15, 2008 | Jul 15, 2008 | Chesapeake Operating, Inc. | Dixie Ruth #8HH | 9,000 | 25133087 |
| 665081 | Jul 15, 2008 | Jul 15, 2008 | Chesapeake Operating, Inc. | Dixie Ruth #7HH | 9,000 | 25133086 |
| 658185Amendment | Jul 15, 2008 | Jul 15, 2008 | EOG Resources, Inc. | Thelma Louise Unit #6HH | 10,000 | 25132790 |
| 665122 | Jul 14, 2008 | Jul 14, 2008 | XTO Energy Inc. | Gafford Unit #B 2HH | 11,500 | 25133101 |
| 665084 | Jul 14, 2008 | Jul 14, 2008 | Tsar Operating Company | Mustang Creek Unit D #11HH | 10,700 | 25133088 |
| 665084Amendment | Jul 14, 2008 | Jul 14, 2008 | Tsar Operating Company | Mustang Creek Unit D #11HH | 10,700 | 25133088 |
| 665082 | Jul 14, 2008 | Jul 14, 2008 | Tsar Operating Company | Mustang Creek Unit D #9HH | 10,700 | 25133107 |
| 665079 | Jul 14, 2008 | Jul 14, 2008 | Quicksilver Resources Inc. | Ralph Wiggum #15HH | 9,000 | 25133085 |
| 665079Amendment | Jul 14, 2008 | Jul 14, 2008 | Quicksilver Resources Inc. | Ralph Wiggum #15HH | 9,000 | 25133085 |
| 665079Amendment | Jul 14, 2008 | Jul 14, 2008 | Quicksilver Resources Inc. | Ralph Wiggum #15HH | 9,000 | 25133085 |
| 665321 | Jul 11, 2008 | Jul 11, 2008 | Devon Energy Production Co, L.P. | Arnold Pent #9HH | 9,000 | 25133097 |
| 665085 | Jul 11, 2008 | Jul 11, 2008 | Chesapeake Operating, Inc. | Mize Family #33HH | 9,000 | 25133089 |