| 670729 | Sep 25, 2008 | Sep 25, 2008 | Devon Energy Production Co, L.P. | Gill Crossing #3HH | 9,000 | 25133303 |
| 670713 | Sep 25, 2008 | Sep 25, 2008 | Devon Energy Production Co, L.P. | Gill Crossing #2HH | 9,000 | 25133300 |
| 670710 | Sep 25, 2008 | Sep 25, 2008 | Devon Energy Production Co, L.P. | Gill Crossing #1HH | 9,000 | 25133299 |
| 663594Amendment | Sep 25, 2008 | Sep 25, 2008 | Chesapeake Operating, Inc. | Shioleno #1HH | 9,000 | 25133035 |
| 670630 | Sep 24, 2008 | Sep 24, 2008 | XTO Energy Inc. | Gafford Unit #C 4HH | 11,000 | 25133301 |
| 670630Amendment | Sep 24, 2008 | Sep 24, 2008 | XTO Energy Inc. | Gafford Unit #C 4HH | 11,000 | 25133301 |
| 670623 | Sep 24, 2008 | Sep 24, 2008 | XTO Energy Inc. | Gafford Unit #C 1HH | 11,000 | 25133298 |
| 670623Amendment | Sep 24, 2008 | Sep 24, 2008 | XTO Energy Inc. | Gafford Unit #C 1HH | 11,000 | 25133298 |
| 670562 | Sep 24, 2008 | Sep 24, 2008 | EOG Resources, Inc. | Page Unit #4HH | 10,000 | 25133296 |
| 670558 | Sep 23, 2008 | Sep 23, 2008 | EOG Resources, Inc. | Page Unit #3HH | 10,000 | 25133295 |
| 670556 | Sep 23, 2008 | Sep 23, 2008 | EOG Resources, Inc. | Page Unit #2HH | 10,000 | 25133297 |
| 670554 | Sep 23, 2008 | Sep 23, 2008 | EOG Resources, Inc. | Page Unit #1HH | 10,000 | 25133294 |
| 670553 | Sep 23, 2008 | Sep 23, 2008 | Devon Energy Production Co, L.P. | Beustring #2HH | 9,000 | 25133293 |
| 670496 | Sep 23, 2008 | Sep 23, 2008 | Chesapeake Operating, Inc. | Glade Trust #5HH | 9,000 | 25133280 |
| 670496Amendment | Sep 23, 2008 | Sep 23, 2008 | Chesapeake Operating, Inc. | Glade Trust #5HH | 9,000 | 25133280 |
| 670494 | Sep 23, 2008 | Sep 23, 2008 | Chesapeake Operating, Inc. | Glade Trust #4HH | 9,000 | 25133279 |
| 670488 | Sep 23, 2008 | Sep 23, 2008 | Chesapeake Operating, Inc. | Glade Trust #3HH | 9,000 | 25133278 |
| 668495 | Sep 23, 2008 | Sep 23, 2008 | Chesapeake Operating, Inc. | Una Hyral #3HH | 9,000 | 25133228 |
| 668495Amendment | Sep 23, 2008 | Sep 23, 2008 | Chesapeake Operating, Inc. | Una Hyral #3HH | 9,000 | 25133228 |
| 668495Amendment | Sep 23, 2008 | Sep 23, 2008 | Chesapeake Operating, Inc. | Una Hyral #3HH | 9,000 | 25133228 |
| 670438 | Sep 22, 2008 | Sep 22, 2008 | Chesapeake Operating, Inc. | Little Hoss #J 2HH | 9,000 | 25133292 |
| 667970 | Sep 22, 2008 | Sep 22, 2008 | Chief Oil & Gas LLC | Springwood Unit #4HH | 8,900 | 25133140 |
| 670487 | Sep 19, 2008 | Sep 19, 2008 | Chesapeake Operating, Inc. | Glade Trust #2HH | 9,000 | 25133277 |
| 670285 | Sep 19, 2008 | Sep 19, 2008 | Chesapeake Operating, Inc. | McAnier #5HH | 9,000 | 25133291 |
| 659464Amendment | Sep 19, 2008 | Sep 19, 2008 | XTO Energy Inc. | Hatcher Unit #1HH | 10,500 | 25132857 |
| 670309 | Sep 18, 2008 | Sep 18, 2008 | Chesapeake Operating, Inc. | Winscott #G 3HH | 9,000 | 25133290 |
| 670306 | Sep 18, 2008 | Sep 18, 2008 | Chesapeake Operating, Inc. | Winscott #G 1HH | 9,000 | 25133288 |
| 670199 | Sep 17, 2008 | Sep 17, 2008 | Chesapeake Operating, Inc. | Upchurch #5HH | 9,000 | 25133287 |
| 670199Amendment | Sep 17, 2008 | Sep 17, 2008 | Chesapeake Operating, Inc. | Upchurch #5HH | 9,000 | 25133287 |
| 670131 | Sep 17, 2008 | Sep 17, 2008 | Chesapeake Operating, Inc. | Berry #3HH | 9,000 | 25133286 |
| 670130 | Sep 17, 2008 | Sep 17, 2008 | Chesapeake Operating, Inc. | Berry #2HH | 9,000 | 25133285 |
| 660768Amendment | Sep 17, 2008 | Sep 17, 2008 | Chesapeake Operating, Inc. | Peacock #6HH | 9,000 | 25132911 |
| 660767Amendment | Sep 17, 2008 | Sep 17, 2008 | Chesapeake Operating, Inc. | Peacock #5HH | 9,000 | 25132910 |
| 670027 | Sep 16, 2008 | Sep 16, 2008 | Chesapeake Operating, Inc. | Serena Beth #4HH | 9,000 | 25133284 |
| 670025 | Sep 16, 2008 | Sep 16, 2008 | Devon Energy Production Co, L.P. | White, William #1HH | 9,000 | 25133282 |
| 669943 | Sep 16, 2008 | Sep 16, 2008 | Chesapeake Operating, Inc. | Kenah #7HH | 9,000 | 25133283 |
| 669936 | Sep 15, 2008 | Sep 15, 2008 | Chesapeake Operating, Inc. | Richburg #2HH | 9,000 | 25133281 |
| 669864 | Sep 15, 2008 | Sep 15, 2008 | EOG Resources, Inc. | Brindley Unit #9HH | 10,000 | 25133275 |
| 669842 | Sep 15, 2008 | Sep 15, 2008 | EOG Resources, Inc. | Brindley Unit #8HH | 10,000 | 25133274 |
| 669839 | Sep 15, 2008 | Sep 15, 2008 | EOG Resources, Inc. | Brindley Unit #7HH | 10,000 | 25133273 |
| 669835 | Sep 15, 2008 | Sep 15, 2008 | EOG Resources, Inc. | Brindley Unit #6HH | 10,000 | 25133272 |
| 665082Amendment | Sep 15, 2008 | Sep 15, 2008 | Tsar Operating Company | Mustang Creek Unit D #9HH | 10,700 | 25133107 |
| 669625 | Sep 10, 2008 | Sep 10, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #8H | 9,000 | 25133271 |
| 669521 | Sep 10, 2008 | Sep 10, 2008 | Williams Prod. Gulf Coast, L.P. | Bransom #4HH | 7,710 | 25133270 |
| 669468 | Sep 10, 2008 | Sep 10, 2008 | Burlington Resources O & G Co LP | B.G.M.T. #2HH | 9,000 | 25133268 |
| 669340 | Sep 10, 2008 | Sep 10, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #7H | 9,000 | 25133266 |
| 669211 | Sep 10, 2008 | Sep 10, 2008 | Chesapeake Operating, Inc. | Hyder #10HH | 9,000 | 25133260 |
| 669490 | Sep 9, 2008 | Sep 9, 2008 | Quicksilver Resources Inc. | John J. Miles Unit #5HH | 9,000 | 25133269 |
| 669490Amendment | Sep 9, 2008 | Sep 9, 2008 | Quicksilver Resources Inc. | John J. Miles Unit #5HH | 9,000 | 25133269 |
| 669335 | Sep 9, 2008 | Sep 9, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #6H | 9,000 | 25133265 |
| 669335Amendment | Sep 9, 2008 | Sep 9, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #6HH | 9,000 | 25133265 |
| 668654 | Sep 9, 2008 | Sep 9, 2008 | Chesapeake Operating, Inc. | Barabas #3HH | 9,000 | 25133233 |
| 664943 | Sep 9, 2008 | Sep 9, 2008 | Chesapeake Operating, Inc. | Forsberg #3HH | 9,000 | 25133080 |
| 669294 | Sep 6, 2008 | Sep 6, 2008 | XTO Energy Inc. | Jackson Jerry Unit #3HH | 11,000 | 25133262 |
| 669294Amendment | Sep 6, 2008 | Sep 6, 2008 | XTO Energy Inc. | Jackson Jerry Unit #3HH | 11,000 | 25133262 |
| 669290 | Sep 6, 2008 | Sep 6, 2008 | XTO Energy Inc. | Jackson Jerry Unit #4HH | 11,000 | 25133261 |
| 669290Amendment | Sep 6, 2008 | Sep 6, 2008 | XTO Energy Inc. | Jackson Jerry Unit #4HH | 11,000 | 25133261 |
| 669218 | Sep 6, 2008 | Sep 6, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #5H | 9,000 | 25133259 |
| 669217 | Sep 6, 2008 | Sep 6, 2008 | Devon Energy Production Co, L.P. | Jones, T. L. #4H | 9,000 | 25133258 |
| 658480Amendment | Sep 6, 2008 | Sep 6, 2008 | Chesapeake Operating, Inc. | Lakeview #3HH | 9,000 | 25132802 |
| 658480Amendment | Sep 6, 2008 | Sep 6, 2008 | Chesapeake Operating, Inc. | Lakeview #3HH | 9,000 | 25132802 |
| 658480Amendment | Sep 6, 2008 | Sep 6, 2008 | Chesapeake Operating, Inc. | Lakeview #3HH | 9,000 | 25132802 |
| 669081 | Sep 5, 2008 | Sep 5, 2008 | XTO Energy Inc. | Bisd #B 4HH | 11,000 | 25133257 |
| 669081Amendment | Sep 5, 2008 | Sep 5, 2008 | XTO Energy Inc. | Bisd #B 4HH | 11,000 | 25133257 |
| 669077 | Sep 5, 2008 | Sep 5, 2008 | XTO Energy Inc. | Bisd #A 3HH | 11,000 | 25133256 |
| 669077Amendment | Sep 5, 2008 | Sep 5, 2008 | XTO Energy Inc. | Bisd #A 3HH | 11,000 | 25133256 |
| 670220 | Sep 4, 2008 | Sep 4, 2008 | Devon Energy Production Co, L.P. | Beustring #1HH | 9,000 | 25133264 |
| 670220Amendment | Sep 4, 2008 | Sep 4, 2008 | Devon Energy Production Co, L.P. | Beustring #1HH | 9,000 | 25133264 |
| 669532 | Sep 4, 2008 | Sep 4, 2008 | Devon Energy Production Co, L.P. | Betty Kittoe #1HH | 9,000 | 25133263 |
| 669010 | Sep 4, 2008 | Sep 4, 2008 | XTO Energy Inc. | Dixon Unit #B 1HH | 11,500 | 25133254 |
| 669010Amendment | Sep 4, 2008 | Sep 4, 2008 | XTO Energy Inc. | Dixon Unit #B 1HH | 11,500 | 25133254 |
| 668944 | Sep 4, 2008 | Sep 4, 2008 | Burlington Resources O & G Co LP | Burleson NW Unit #3HH | 9,000 | 25133250 |
| 668943 | Sep 4, 2008 | Sep 4, 2008 | Burlington Resources O & G Co LP | Burleson NW Unit #2HH | 9,000 | 25133251 |
| 668942 | Sep 4, 2008 | Sep 4, 2008 | Burlington Resources O & G Co LP | Burleson NW Unit #1HH | 9,000 | 25133249 |
| 668939 | Sep 4, 2008 | Sep 4, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #9HH | 9,000 | 25133252 |
| 668939Amendment | Sep 4, 2008 | Sep 4, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #9HH | 9,000 | 25133252 |
| 668937 | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #7HH | 9,000 | 25133253 |
| 668937Amendment | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #7HH | 9,000 | 25133253 |
| 668936 | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #5HH | 9,000 | 25133248 |
| 668936Amendment | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | Damsel Fly Nymph #5HH | 9,000 | 25133248 |
| 668917 | Sep 3, 2008 | Sep 3, 2008 | EOG Resources, Inc. | Southard Farms Unit #3HH | 10,000 | 25133247 |
| 668774 | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | Senter #4HH | 9,000 | 25133241 |
| 668773 | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | Senter #3HH | 9,000 | 25133240 |
| 668772 | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | Senter #2HH | 9,000 | 25133239 |
| 668466 | Sep 3, 2008 | Sep 3, 2008 | Chesapeake Operating, Inc. | West Lake #10HH | 9,000 | 25133227 |
| 669170 | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Richburg #1HH | 9,000 | 25133255 |
| 668835 | Sep 2, 2008 | Sep 2, 2008 | EOG Resources, Inc. | Roberts Unit #3HH | 10,000 | 25133246 |
| 668831 | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Glade Trust #1HH | 9,000 | 25133245 |
| 668809 | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Chaney #4HH | 9,000 | 25133244 |
| 668809Amendment | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Chaney #4HH | 9,000 | 25133244 |
| 668806 | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Chaney #3HH | 9,000 | 25133243 |
| 668803 | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Chaney #2HH | 9,000 | 25133242 |
| 668697 | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Donna Ray #2HH | 9,000 | 25133237 |
| 668697Amendment | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Donna Ray East #1HH | 9,000 | 25133237 |
| 668693 | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Donna Ray #1HH | 9,000 | 25133238 |
| 668693Amendment | Sep 2, 2008 | Sep 2, 2008 | Chesapeake Operating, Inc. | Donna Ray #1HH | 9,000 | 25133238 |
| 664155Amendment | Aug 29, 2008 | Aug 29, 2008 | Devon Energy Production Co, L.P. | Czajkowski, Bruno #7HH | 9,000 | 25133055 |
| 668655 | Aug 28, 2008 | Aug 28, 2008 | Chesapeake Operating, Inc. | Barabas #4HH | 9,000 | 25133234 |
| 668652 | Aug 28, 2008 | Aug 28, 2008 | Chesapeake Operating, Inc. | Barabas #2HH | 9,000 | 25133235 |
| 668482 | Aug 28, 2008 | Aug 28, 2008 | EOG Resources, Inc. | Hudgins Unit #3HH | 10,000 | 25133226 |