| 629636 | Nov 29, 2006 | Nov 29, 2006 | Chesapeake Operating, Inc. | Chipshot #2HH | 9,000 | 25131344 |
| 629628 | Nov 29, 2006 | Nov 29, 2006 | Chesapeake Operating, Inc. | Goex #7HH | 9,000 | 25131342 |
| 629628Amendment | Nov 29, 2006 | Nov 29, 2006 | Chesapeake Operating, Inc. | Goex #7HH | 9,000 | 25131342 |
| 629627 | Nov 29, 2006 | Nov 29, 2006 | Chesapeake Operating, Inc. | Goex #3HH | 9,000 | 25131343 |
| 629625 | Nov 29, 2006 | Nov 29, 2006 | Chesapeake Operating, Inc. | Damsel Fly Nymph #2HH | 9,000 | 25131341 |
| 629625Amendment | Nov 29, 2006 | Nov 29, 2006 | Chesapeake Operating, Inc. | Damsel Fly Nymph #2HH | 9,000 | 25131341 |
| 629588 | Nov 28, 2006 | Nov 28, 2006 | XTO Energy Inc. | Roof #3HH | 12,000 | 25131340 |
| 629588Amendment | Nov 28, 2006 | Nov 28, 2006 | XTO Energy Inc. | Roof #3HH | 10,250 | 25131340 |
| 629587 | Nov 28, 2006 | Nov 28, 2006 | XTO Energy Inc. | Roof #2HH | 12,000 | 25131339 |
| 629587Amendment | Nov 28, 2006 | Nov 28, 2006 | XTO Energy Inc. | Roof #2HH | 12,000 | 25131339 |
| 629519 | Nov 28, 2006 | Nov 28, 2006 | EOG Resources, Inc. | Owens Unit #1HH | 7,000 | 25131337 |
| 629519Amendment | Nov 28, 2006 | Nov 28, 2006 | EOG Resources, Inc. | Owens Unit #1HH | 7,000 | 25131337 |
| 629519Amendment | Nov 28, 2006 | Nov 28, 2006 | EOG Resources, Inc. | Owens Unit #1HH | 8,000 | 25131337 |
| 629519Amendment | Nov 28, 2006 | Nov 28, 2006 | EOG Resources, Inc. | Owens Unit #1HH | 8,000 | 25131337 |
| 629419 | Nov 28, 2006 | Nov 28, 2006 | Range Production Company | Delp #1HH | 8,500 | 25131338 |
| 629472 | Nov 27, 2006 | Nov 27, 2006 | Chesapeake Operating, Inc. | North Lake #4HH | 9,000 | 25131336 |
| 629472Amendment | Nov 27, 2006 | Nov 27, 2006 | Chesapeake Operating, Inc. | North Lake #4HH | 9,000 | 25131336 |
| 629463 | Nov 27, 2006 | Nov 27, 2006 | Devon Energy Production Co, L.P. | Shaw, Robert "A" #1HH | 9,000 | 25131335 |
| 629428 | Nov 27, 2006 | Nov 27, 2006 | Devon Energy Production Co, L.P. | Wyatt, W. H. #2HH | 9,000 | 25131333 |
| 628872 | Nov 27, 2006 | Nov 27, 2006 | Burlington Resources O & G Co LP | Schmidt Unit #1HH | 9,000 | 25131334 |
| 629438 | Nov 22, 2006 | Nov 22, 2006 | Devon Energy Production Co, L.P. | Shipman, Finis #2H | 9,000 | 25131331 |
| 629362 | Nov 21, 2006 | Nov 21, 2006 | XTO Energy Inc. | Willie Lee Russell North #1HH | 12,000 | 25131330 |
| 629362Amendment | Nov 21, 2006 | Nov 21, 2006 | XTO Energy Inc. | Willie Lee Russell North #1HH | 12,000 | 25131330 |
| 629361 | Nov 21, 2006 | Nov 21, 2006 | XTO Energy Inc. | Jane Marshall C Unit #2HH | 12,000 | 25131329 |
| 629361Amendment | Nov 21, 2006 | Nov 21, 2006 | XTO Energy Inc. | Jane Marshall C Unit #2HH | 12,000 | 25131329 |
| 629322 | Nov 21, 2006 | Nov 21, 2006 | J-W Operating Co. | Tcu #1HAH | 15,000 | 25131327 |
| 629323 | Nov 20, 2006 | Nov 20, 2006 | Williams Prod. Gulf Coast, L.P. | Threemont #3HH | 8,300 | 25131328 |
| 629323Amendment | Nov 20, 2006 | Nov 20, 2006 | Williams Prod. Gulf Coast, L.P. | Threemont #3HH | 8,300 | 25131328 |
| 629215 | Nov 17, 2006 | Nov 17, 2006 | XTO Energy Inc. | RFS Unit #1HH | 12,000 | 25131326 |
| 629215Amendment | Nov 17, 2006 | Nov 17, 2006 | XTO Energy Inc. | RFS Unit #1HH | 12,000 | 25131326 |
| 629088 | Nov 16, 2006 | Nov 16, 2006 | J-W Operating Co. | Silken #1HH | 15,000 | 25131325 |
| 629088Amendment | Nov 16, 2006 | Nov 16, 2006 | J-W Operating Co. | Silken #1HH | 15,000 | 25131325 |
| 629042 | Nov 15, 2006 | Nov 15, 2006 | Devon Energy Production Co, L.P. | Billy Boyd #1H | 9,000 | 25131324 |
| 628952 | Nov 14, 2006 | Nov 14, 2006 | Chesapeake Operating, Inc. | South Chisholm Trail #2HH | 9,000 | 25131323 |
| 628916 | Nov 13, 2006 | Nov 13, 2006 | Chesapeake Operating, Inc. | Hidden Creek #3HH | 9,000 | 25131322 |
| 628916Amendment | Nov 13, 2006 | Nov 13, 2006 | Chesapeake Operating, Inc. | Hidden Creek #3HH | 9,000 | 25131322 |
| 628913 | Nov 13, 2006 | Nov 13, 2006 | Chesapeake Operating, Inc. | Hidden Creek #2HH | 9,000 | 25131321 |
| 628913Amendment | Nov 13, 2006 | Nov 13, 2006 | Chesapeake Operating, Inc. | Hidden Creek #2HH | 9,000 | 25131321 |
| 628878 | Nov 13, 2006 | Nov 13, 2006 | XTO Energy Inc. | Superior Unit #1HH | 11,000 | 25131320 |
| 628878Amendment | Nov 13, 2006 | Nov 13, 2006 | XTO Energy Inc. | Superior Unit #1HH | 11,000 | 25131320 |
| 625627 | Nov 13, 2006 | Nov 13, 2006 | EOG Resources, Inc. | Rayburn Unit #2HH | 8,700 | 25131181 |
| 628847 | Nov 10, 2006 | Nov 10, 2006 | Burlington Resources O & G Co LP | Schmidt Unit #2HH | 9,000 | 25131319 |
| 628773 | Nov 9, 2006 | Nov 9, 2006 | EOG Resources, Inc. | Cca Unit #1 | 8,900 | 25131318 |
| 628773Amendment | Nov 9, 2006 | Nov 9, 2006 | EOG Resources, Inc. | Cca Unit #1 | 8,900 | 25131318 |
| 628735 | Nov 9, 2006 | Nov 9, 2006 | Sullivan, Hollis R. Inc. | Ponderosa #1HH | 8,900 | 25131317 |
| 628735Amendment | Nov 9, 2006 | Nov 9, 2006 | Sullivan, Hollis R. Inc. | Ponderosa #1HH | 8,900 | 25131317 |
| 628725 | Nov 8, 2006 | Nov 8, 2006 | EOG Resources, Inc. | Griffin Unit #1RHH | 8,700 | 25131316 |
| 628723 | Nov 8, 2006 | Nov 8, 2006 | Devon Energy Production Co, L.P. | Rawdon, Harold T. #4H | 9,000 | 25131315 |
| 628701 | Nov 8, 2006 | Nov 8, 2006 | Chesapeake Operating, Inc. | Falvel #14HH | 9,000 | 25131314 |
| 628676 | Nov 8, 2006 | Nov 8, 2006 | Devon Energy Production Co, L.P. | Rawdon, Harold T. #3H | 9,000 | 25131313 |
| 628676Amendment | Nov 8, 2006 | Nov 8, 2006 | Devon Energy Production Co, L.P. | Rawdon, Harold T. #3H | 9,000 | 25131313 |
| 628647 | Nov 7, 2006 | Nov 7, 2006 | Devon Energy Production Co, L.P. | Bourg #2H | 9,000 | 25131312 |
| 628639 | Nov 7, 2006 | Nov 7, 2006 | Chesapeake Operating, Inc. | Falvel #15HH | 9,000 | 25131309 |
| 628639Amendment | Nov 7, 2006 | Nov 7, 2006 | Chesapeake Operating, Inc. | Falvel #15HH | 9,000 | 25131309 |
| 628639Amendment | Nov 7, 2006 | Nov 7, 2006 | Chesapeake Operating, Inc. | Falvel #15HH | 9,000 | 25131309 |
| 628631 | Nov 7, 2006 | Nov 7, 2006 | Chesapeake Operating, Inc. | Cooper #12HH | 9,000 | 25131308 |
| 628511 | Nov 7, 2006 | Nov 7, 2006 | Williams Prod. Gulf Coast, L.P. | Crouch Dairy #3HH | 8,000 | 25131307 |
| 628511Amendment | Nov 7, 2006 | Nov 7, 2006 | Williams Prod. Gulf Coast, L.P. | Crouch Dairy #3HH | 8,000 | 25131307 |
| 628505 | Nov 7, 2006 | Nov 7, 2006 | Williams Prod. Gulf Coast, L.P. | Crouch Dairy #2HH | 8,000 | 25131311 |
| 628505Amendment | Nov 7, 2006 | Nov 7, 2006 | Williams Prod. Gulf Coast, L.P. | Crouch Dairy #2HH | 8,000 | 25131311 |
| 628502 | Nov 7, 2006 | Nov 7, 2006 | Williams Prod. Gulf Coast, L.P. | Crouch Dairy #1HH | 8,000 | 25131306 |
| 628458 | Nov 2, 2006 | Nov 2, 2006 | EOG Resources, Inc. | Kimbrough SWD #1 | 12,500 | 25131305 |
| 628458Amendment | Nov 2, 2006 | Nov 2, 2006 | EOG Resources, Inc. | Kimbrough SWD #1 | 13,500 | 25131305 |
| 628397 | Nov 2, 2006 | Nov 2, 2006 | Saddle Creek Energy Development | Turpen #1 | 9,000 | 25131304 |
| 628397Amendment | Nov 2, 2006 | Nov 2, 2006 | Ropa Exploration Corp. | Turpen #1 | 9,000 | 25131304 |
| 628367 | Nov 2, 2006 | Nov 2, 2006 | Chesapeake Operating, Inc. | Hogan-Lee #3HH | 9,000 | 25131303 |
| 628347 | Nov 1, 2006 | Nov 1, 2006 | Chesapeake Operating, Inc. | Hogan-Lee #2HH | 9,000 | 25131302 |
| 628347Amendment | Nov 1, 2006 | Nov 1, 2006 | Chesapeake Operating, Inc. | Hogan-Lee #2HH | 9,000 | 25131302 |
| 628325 | Oct 31, 2006 | Oct 31, 2006 | Williams Prod. Gulf Coast, L.P. | Prado #2HH | 8,000 | 25131301 |
| 628314 | Oct 31, 2006 | Oct 31, 2006 | EOG Resources, Inc. | King #5HH | 7,000 | 25131300 |
| 627940 | Oct 31, 2006 | Oct 31, 2006 | Range Production Company | Delutis #3HH | 8,200 | 25131290 |
| 628227 | Oct 27, 2006 | Oct 27, 2006 | Burlington Resources O & G Co LP | Russell Unit #1HH | 9,000 | 25131299 |
| 628177 | Oct 27, 2006 | Oct 27, 2006 | XTO Energy Inc. | Russell #A 1HH | 12,000 | 25131298 |
| 628177Amendment | Oct 27, 2006 | Oct 27, 2006 | XTO Energy Inc. | Russell, Willie Lee #1HH | 12,000 | 25131298 |
| 628177Amendment | Oct 27, 2006 | Oct 27, 2006 | XTO Energy Inc. | Russell, Willie Lee #1HH | 12,000 | 25131298 |
| 628139 | Oct 27, 2006 | Oct 27, 2006 | J-W Operating Co. | Tcu #2HH | 15,000 | 25131297 |
| 628101 | Oct 27, 2006 | Oct 27, 2006 | Tsar Operating Company | Mustang Creek Unit D #10HH | 10,700 | 25131294 |
| 627918 | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #6HH | 9,000 | 25131280 |
| 627918Amendment | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #6HH | 9,000 | 25131280 |
| 627917 | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #5HH | 9,000 | 25131279 |
| 627917Amendment | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #5HH | 9,000 | 25131279 |
| 627915 | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #3HH | 9,000 | 25131277 |
| 627915Amendment | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #3HH | 9,000 | 25131277 |
| 627914 | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #2HH | 8,800 | 25131276 |
| 627914Amendment | Oct 27, 2006 | Oct 27, 2006 | EOG Resources, Inc. | County Line Unit #2HH | 9,000 | 25131276 |
| 628119 | Oct 26, 2006 | Oct 26, 2006 | Arrington,david H. Oil & Gas,inc | Freight Train #1HH | 9,000 | 25131296 |
| 628119Amendment | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Freight Train #1HH | 12,000 | 25131296 |
| 628119Amendment | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Freight Train Unit #1HH | 12,000 | 25131296 |
| 628119Amendment | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Freight Train Unit #1HH | 12,000 | 25131296 |
| 628102 | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Truett E Thomas Unit #1HH | 12,000 | 25131295 |
| 628102Amendment | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Truett E. Thomas Unit #1HH | 12,000 | 25131295 |
| 628095 | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Kasal Trust Unit #4HH | 12,000 | 25131293 |
| 628095Amendment | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Kasal Trust Unit #4HH | 12,000 | 25131293 |
| 628051 | Oct 25, 2006 | Oct 25, 2006 | Chesapeake Operating, Inc. | Tantarra Estates #2HH | 9,000 | 25131292 |
| 628044 | Oct 25, 2006 | Oct 25, 2006 | Chesapeake Operating, Inc. | Cedf #6HH | 9,000 | 25131291 |
| 628044Amendment | Oct 25, 2006 | Oct 25, 2006 | Chesapeake Operating, Inc. | Cedf #6HH | 9,000 | 25131291 |
| 627983 | Oct 24, 2006 | Oct 24, 2006 | Chesapeake Operating, Inc. | Labor, Manuel #10HH | 9,000 | 25131289 |
| 627979 | Oct 24, 2006 | Oct 24, 2006 | Arrington,david H. Oil & Gas,inc | White Lightning #1HH | 9,200 | 25131288 |
| 627978 | Oct 24, 2006 | Oct 24, 2006 | Chesapeake Operating, Inc. | Labor, Manuel #3HH | 9,000 | 25131287 |
| 627968 | Oct 24, 2006 | Oct 24, 2006 | Chesapeake Operating, Inc. | Little Hoss #X 2HH | 9,000 | 25131283 |