| 648022Amendment | Oct 22, 2007 | Oct 22, 2007 | EOG Resources, Inc. | Core Lab #5HH | 10,000 | 25132314 |
| 648002 | Oct 19, 2007 | Oct 19, 2007 | Devon Energy Production Co, L.P. | Pitts, Charles #9HH | 9,000 | 25132313 |
| 647979 | Oct 19, 2007 | Oct 19, 2007 | XTO Energy Inc. | Liberty Chapel Unit #1HH | 11,000 | 25132312 |
| 647979Amendment | Oct 19, 2007 | Oct 19, 2007 | XTO Energy Inc. | Liberty Chapel Unit #1HH | 11,000 | 25132312 |
| 647864 | Oct 19, 2007 | Oct 19, 2007 | Chesapeake Operating, Inc. | Huskey #2HH | 9,000 | 25132310 |
| 647864Amendment | Oct 19, 2007 | Oct 19, 2007 | Chesapeake Operating, Inc. | Huskey #2HH | 9,000 | 25132310 |
| 647703 | Oct 19, 2007 | Oct 19, 2007 | Devon Energy Production Co, L.P. | Charles Howell #4HH | 9,000 | 25132316 |
| 647868 | Oct 18, 2007 | Oct 18, 2007 | EOG Resources, Inc. | Moss #2HH | 10,000 | 25132311 |
| 647809 | Oct 18, 2007 | Oct 18, 2007 | Devon Energy Production Co, L.P. | Scarberry Family #1HH | 9,000 | 25132309 |
| 647792 | Oct 18, 2007 | Oct 18, 2007 | Chesapeake Operating, Inc. | Parnolan #3HH | 9,000 | 25132307 |
| 647790 | Oct 18, 2007 | Oct 18, 2007 | Chesapeake Operating, Inc. | Parnolan #2HH | 9,000 | 25132308 |
| 647704 | Oct 17, 2007 | Oct 17, 2007 | Devon Energy Production Co, L.P. | Howell, Charles #5HH | 9,000 | 25132306 |
| 647704Amendment | Oct 17, 2007 | Oct 17, 2007 | Devon Energy Production Co, L.P. | Howell, Charles #5H | 9,000 | 25132306 |
| 647670 | Oct 17, 2007 | Oct 17, 2007 | Chesapeake Operating, Inc. | Manning #3HH | 9,000 | 25132305 |
| 647669 | Oct 17, 2007 | Oct 17, 2007 | Chesapeake Operating, Inc. | Manning #2HH | 9,000 | 25132304 |
| 647575 | Oct 17, 2007 | Oct 17, 2007 | Chesapeake Operating, Inc. | Little Hoss #N 8HH | 9,000 | 25132299 |
| 647582 | Oct 16, 2007 | Oct 16, 2007 | Chesapeake Operating, Inc. | Cardenas #5HH | 9,000 | 25132303 |
| 647580 | Oct 16, 2007 | Oct 16, 2007 | Chesapeake Operating, Inc. | Cardenas #4HH | 9,000 | 25132302 |
| 647578 | Oct 16, 2007 | Oct 16, 2007 | Chesapeake Operating, Inc. | Cardenas #3HH | 9,000 | 25132301 |
| 647577 | Oct 16, 2007 | Oct 16, 2007 | Chesapeake Operating, Inc. | Cardenas #2HH | 9,000 | 25132300 |
| 647573 | Oct 16, 2007 | Oct 16, 2007 | Chesapeake Operating, Inc. | Little Hoss #N 6HH | 9,000 | 25132298 |
| 647547 | Oct 16, 2007 | Oct 16, 2007 | Devon Energy Production Co, L.P. | Howell, Charles #6HH | 9,000 | 25132297 |
| 647506 | Oct 15, 2007 | Oct 15, 2007 | Chesapeake Operating, Inc. | North Lake #6HH | 9,000 | 25132296 |
| 647504 | Oct 15, 2007 | Oct 15, 2007 | Chesapeake Operating, Inc. | North Lake #5HH | 9,000 | 25132295 |
| 647503 | Oct 15, 2007 | Oct 15, 2007 | Chesapeake Operating, Inc. | North Lake #3HH | 9,000 | 25132294 |
| 647484 | Oct 15, 2007 | Oct 15, 2007 | EOG Resources, Inc. | Rayburn Unit #12 HH | 10,000 | 25132293 |
| 647471 | Oct 15, 2007 | Oct 15, 2007 | EOG Resources, Inc. | Rayburn Unit #11 HH | 10,000 | 25132292 |
| 647438 | Oct 12, 2007 | Oct 12, 2007 | EOG Resources, Inc. | Geren #20HH | 10,000 | 25132290 |
| 647400 | Oct 12, 2007 | Oct 12, 2007 | EOG Resources, Inc. | Sprimont Unit #4HH | 10,000 | 25132289 |
| 647400Amendment | Oct 12, 2007 | Oct 12, 2007 | EOG Resources, Inc. | Sprimont Unit #4HH | 10,000 | 25132289 |
| 647387 | Oct 12, 2007 | Oct 12, 2007 | Arrington,david H. Oil & Gas,inc | Serendipity #1HH | 8,700 | 25132288 |
| 647226 | Oct 12, 2007 | Oct 12, 2007 | Chesapeake Operating, Inc. | Manning #1HH | 9,000 | 25132291 |
| 647313 | Oct 11, 2007 | Oct 11, 2007 | Arrington,david H. Oil & Gas,inc | Grey Goose #3HH | 8,700 | 25132287 |
| 647310 | Oct 11, 2007 | Oct 11, 2007 | Arrington,david H. Oil & Gas,inc | Grey Goose #2HH | 8,700 | 25132286 |
| 647237 | Oct 10, 2007 | Oct 10, 2007 | Chesapeake Operating, Inc. | Wicker #4HH | 9,000 | 25132285 |
| 647236 | Oct 10, 2007 | Oct 10, 2007 | Chesapeake Operating, Inc. | Wicker #3HH | 9,000 | 25132283 |
| 647222 | Oct 10, 2007 | Oct 10, 2007 | Chesapeake Operating, Inc. | Olivia #3HH | 9,000 | 25132281 |
| 647238 | Oct 9, 2007 | Oct 9, 2007 | Chesapeake Operating, Inc. | Wicker #5HH | 9,000 | 25132284 |
| 642748 | Oct 9, 2007 | Oct 9, 2007 | EOG Resources, Inc. | City of Godley Unit #4HH | 7,800 | 25132117 |
| 642748Amendment | Oct 9, 2007 | Oct 9, 2007 | EOG Resources, Inc. | City of Godley Unit #4HH | 10,000 | 25132117 |
| 647209 | Oct 8, 2007 | Oct 8, 2007 | Paloma Resources, LLC | Amabile Unit #1HH | 9,000 | 25132280 |
| 647205 | Oct 8, 2007 | Oct 8, 2007 | Chesapeake Operating, Inc. | Colmer #2HH | 9,000 | 25132282 |
| 647200 | Oct 8, 2007 | Oct 8, 2007 | XTO Energy Inc. | Ruth Turner Unit #1HH | 11,000 | 25132279 |
| 647200Amendment | Oct 8, 2007 | Oct 8, 2007 | XTO Energy Inc. | Ruth Turner Unit #1HH | 11,000 | 25132279 |
| 647188 | Oct 8, 2007 | Oct 8, 2007 | Devon Energy Production Co, L.P. | Martha Muzyka #1HH | 9,000 | 25132278 |
| 647159 | Oct 8, 2007 | Oct 8, 2007 | Chesapeake Operating, Inc. | Cleburne Landfill #1HH | 9,000 | 25132277 |
| 647141 | Oct 8, 2007 | Oct 8, 2007 | Arrington,david H. Oil & Gas,inc | Grey Goose #1HH | 8,700 | 25132276 |
| 647102 | Oct 8, 2007 | Oct 8, 2007 | EOG Resources, Inc. | Owens Unit #2HH | 10,000 | 25132275 |
| 647049 | Oct 5, 2007 | Oct 5, 2007 | EOG Resources, Inc. | U. S. Lime #21HH | 10,000 | 25132274 |
| 647049Amendment | Oct 5, 2007 | Oct 5, 2007 | EOG Resources, Inc. | U. S. Lime #21HH | 10,000 | 25132274 |
| 647049Amendment | Oct 5, 2007 | Oct 5, 2007 | EOG Resources, Inc. | U.S. Lime Unit A #21HH | 10,000 | 25132274 |
| 647044 | Oct 5, 2007 | Oct 5, 2007 | EOG Resources, Inc. | U. S. Lime #20HH | 10,000 | 25132273 |
| 647044Amendment | Oct 5, 2007 | Oct 5, 2007 | EOG Resources, Inc. | U. S. Lime #20HH | 10,000 | 25132273 |
| 647044Amendment | Oct 5, 2007 | Oct 5, 2007 | EOG Resources, Inc. | U.S. Lime Unit A #20HH | 10,000 | 25132273 |
| 646926 | Oct 4, 2007 | Oct 4, 2007 | EOG Resources, Inc. | Stevenson C Unit #4HH | 10,000 | 25132268 |
| 646973 | Oct 3, 2007 | Oct 3, 2007 | Chesapeake Operating, Inc. | Meadows #13HH | 9,000 | 25132272 |
| 646955 | Oct 3, 2007 | Oct 3, 2007 | Devon Energy Production Co, L.P. | Guttry Family #13HH | 9,000 | 25132271 |
| 646953 | Oct 3, 2007 | Oct 3, 2007 | Devon Energy Production Co, L.P. | Guttry Family #12HH | 9,000 | 25132270 |
| 646918 | Oct 3, 2007 | Oct 3, 2007 | EOG Resources, Inc. | Heffner Unit #4HH | 10,000 | 25132267 |
| 646907 | Oct 3, 2007 | Oct 3, 2007 | EOG Resources, Inc. | Geren #19HH | 10,000 | 25132265 |
| 646905 | Oct 3, 2007 | Oct 3, 2007 | EOG Resources, Inc. | Geren #18HH | 10,000 | 25132264 |
| 646903 | Oct 3, 2007 | Oct 3, 2007 | EOG Resources, Inc. | Geren #17HH | 10,000 | 25132263 |
| 646901 | Oct 3, 2007 | Oct 3, 2007 | EOG Resources, Inc. | Geren #16HH | 10,000 | 25132266 |
| 646887 | Oct 3, 2007 | Oct 3, 2007 | XTO Energy Inc. | High View Estates #A 2HH | 12,000 | 25132262 |
| 646887Amendment | Oct 3, 2007 | Oct 3, 2007 | XTO Energy Inc. | High View Estates #A 2HH | 12,000 | 25132262 |
| 646887Amendment | Oct 3, 2007 | Oct 3, 2007 | XTO Energy Inc. | High View Estates #A 2HH | 12,000 | 25132262 |
| 646864 | Oct 3, 2007 | Oct 3, 2007 | Chesapeake Operating, Inc. | Longhorn #1HH | 9,000 | 25132261 |
| 646950 | Oct 2, 2007 | Oct 2, 2007 | Chesapeake Operating, Inc. | Bransom #1HH | 9,000 | 25132269 |
| 646830 | Oct 2, 2007 | Oct 2, 2007 | Chesapeake Operating, Inc. | Longhorn #2HH | 9,000 | 25132260 |
| 646826 | Oct 1, 2007 | Oct 1, 2007 | Chesapeake Operating, Inc. | Barker, Charles #1HH | 9,000 | 25132259 |
| 646794 | Oct 1, 2007 | Oct 1, 2007 | Devon Energy Production Co, L.P. | Barker-Simpson #7HH | 9,000 | 25132258 |
| 646663 | Sep 28, 2007 | Sep 28, 2007 | EOG Resources, Inc. | Geren #15HH | 10,000 | 25132256 |
| 646662 | Sep 28, 2007 | Sep 28, 2007 | EOG Resources, Inc. | Geren #14HH | 10,000 | 25132255 |
| 646592 | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mackey #5HH | 9,000 | 25132254 |
| 646592Amendment | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mackey #5HH | 9,000 | 25132254 |
| 646591 | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mize Family #38HH | 9,000 | 25132253 |
| 646591Amendment | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mize Family #38HH | 9,000 | 25132253 |
| 646590 | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mize Family #36HH | 9,000 | 25132250 |
| 646590Amendment | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mize Family #36HH | 9,000 | 25132250 |
| 646589 | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mize Family #16HH | 9,000 | 25132252 |
| 646589Amendment | Sep 27, 2007 | Sep 27, 2007 | Chesapeake Operating, Inc. | Mize Family #16HH | 9,000 | 25132252 |
| 646584 | Sep 27, 2007 | Sep 27, 2007 | XTO Energy Inc. | Trogden Unit #1HH | 11,000 | 25132251 |
| 646584Amendment | Sep 27, 2007 | Sep 27, 2007 | XTO Energy Inc. | Trogden Unit #1HH | 11,000 | 25132251 |
| 646365 | Sep 25, 2007 | Sep 25, 2007 | EOG Resources, Inc. | Hudson Unit #2HH | 10,000 | 25132242 |
| 646363 | Sep 25, 2007 | Sep 25, 2007 | EOG Resources, Inc. | Hudson Unit #1HH | 10,000 | 25132243 |
| 646340 | Sep 25, 2007 | Sep 25, 2007 | EOG Resources, Inc. | Little Buddy Unit #4HH | 10,000 | 25132247 |
| 644749 | Sep 25, 2007 | Sep 25, 2007 | Burnett Oil Co., Inc. | Decleva #2HH | 10,580 | 25132245 |
| 646346 | Sep 24, 2007 | Sep 24, 2007 | Chesapeake Operating, Inc. | Mims #1HH | 9,000 | 25132241 |
| 644746 | Sep 24, 2007 | Sep 24, 2007 | Burnett Oil Co., Inc. | Decleva A #1HH | 10,543 | 25132246 |
| 646288 | Sep 21, 2007 | Sep 21, 2007 | Devon Energy Production Co, L.P. | Frazier, Ricky #9HH | 9,000 | 25132240 |
| 646282 | Sep 21, 2007 | Sep 21, 2007 | Devon Energy Production Co, L.P. | Frazier, Ricky #8HH | 9,000 | 25132239 |
| 646273 | Sep 21, 2007 | Sep 21, 2007 | EOG Resources, Inc. | Double Diamond Unit #12HH | 10,000 | 25132238 |
| 646262 | Sep 21, 2007 | Sep 21, 2007 | EOG Resources, Inc. | Fleet Unit #10 | 10,000 | 25132237 |
| 646237 | Sep 21, 2007 | Sep 21, 2007 | EOG Resources, Inc. | Double Diamond Unit #11HH | 10,000 | 25132236 |
| 646237Amendment | Sep 21, 2007 | Sep 21, 2007 | EOG Resources, Inc. | Double Diamond Unit #11HH | 10,000 | 25132236 |
| 646211 | Sep 21, 2007 | Sep 21, 2007 | EOG Resources, Inc. | Moran Unit #2HH | 10,000 | 25132235 |
| 646208 | Sep 20, 2007 | Sep 20, 2007 | XTO Energy Inc. | Jackson Jerry Unit #B 2HH | 12,000 | 25132233 |
| 646208Amendment | Sep 20, 2007 | Sep 20, 2007 | XTO Energy Inc. | Jackson Jerry Unit #1HH | 12,000 | 25132233 |
| 646208Amendment | Sep 20, 2007 | Sep 20, 2007 | XTO Energy Inc. | Jackson Jerry Unit #1HH | 12,000 | 25132233 |
| 646207 | Sep 20, 2007 | Sep 20, 2007 | XTO Energy Inc. | Jackson Jerry Unit #B 1HH | 12,000 | 25132232 |