| 659807 | Apr 29, 2008 | Apr 29, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Mills #5HH | 7,600 | 40530221 |
| 659385 | Apr 24, 2008 | Apr 24, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Tartt #1HH | 7,600 | 40530220 |
| 658469 | Apr 12, 2008 | Apr 12, 2008 | Southwestern Energy Prod. Co. | Cherokee | Afton Thrash Unit 1 #16 | 12,600 | 07331348 |
| 653899 | Apr 4, 2008 | Apr 4, 2008 | Southwestern Energy Prod. Co. | Reagan | University 4 #1 | 9,300 | 38336198 |
| 657236 | Mar 25, 2008 | Mar 25, 2008 | Southwestern Energy Prod. Co. | Smith | Sallie M. Warren HRS Gas Unit 1 #14 | 12,300 | 42332229 |
| 657236Amendment | Mar 25, 2008 | Mar 25, 2008 | Southwestern Energy Prod. Co. | Smith | Sallie M. Warren HRS Gas Unit 1 #14 | 12,300 | 42332229 |
| 656219 | Mar 7, 2008 | Mar 7, 2008 | Southwestern Energy Prod. Co. | Cherokee | Afton Thrash Unit 1 #14 | 12,600 | 07331339 |
| 656219Amendment | Mar 7, 2008 | Mar 7, 2008 | Southwestern Energy Prod. Co. | Cherokee | Thrash, a (CV) GU 1 #14 | 12,600 | 07331339 |
| 655714 | Feb 28, 2008 | Feb 28, 2008 | Southwestern Energy Prod. Co. | Smith | Jesse Randolph Odom Gas Unit 1 #17 | 12,700 | 42332226 |
| 652818 | Feb 28, 2008 | Feb 28, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins #1HH | 7,700 | 40530215 |
| 654533 | Feb 12, 2008 | Feb 12, 2008 | Southwestern Energy Prod. Co. | Nacogdoches | HGT #2HH | 9,800 | 34732761 |
| 653305 | Jan 28, 2008 | Jan 28, 2008 | Southwestern Energy Prod. Co. | Angelina | Davis Heirs #1 | 12,200 | 00530332 |
| 653225 | Jan 24, 2008 | Jan 24, 2008 | Southwestern Energy Prod. Co. | Cherokee | Goodman #3 | 12,500 | 07331329 |
| 653225Amendment | Jan 24, 2008 | Jan 24, 2008 | Southwestern Energy Prod. Co. | Cherokee | Goodman #3 | 12,500 | 07331329 |
| 652752 | Jan 16, 2008 | Jan 16, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hodges #1HH | 7,600 | 40530211 |
| 652752Amendment | Jan 16, 2008 | Jan 16, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hodges #1HH | 7,600 | 40530211 |
| 652294 | Jan 9, 2008 | Jan 9, 2008 | Southwestern Energy Prod. Co. | Nacogdoches | HGT #1 | 12,000 | 34732738 |
| 652294Amendment | Jan 9, 2008 | Jan 9, 2008 | Southwestern Energy Prod. Co. | Nacogdoches | HGT #1 | 12,000 | 34732738 |
| 652270 | Jan 9, 2008 | Jan 9, 2008 | Southwestern Energy Prod. Co. | Cherokee | Ricks #1 | 12,000 | 07331325 |
| 651297 | Dec 18, 2007 | Dec 18, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Davis #1HH | 7,600 | 40530210 |
| 651297Amendment | Dec 18, 2007 | Dec 18, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Davis #1HH | 7,600 | 40530210 |
| 649517 | Dec 13, 2007 | Dec 13, 2007 | Southwestern Energy Prod. Co. | Smith | Jesse Randolph Odom Gas Unit 1 #8 | 12,400 | 42332221 |
| 650326 | Dec 6, 2007 | Dec 6, 2007 | Southwestern Energy Prod. Co. | Smith | Jesse Randolph Odom Gas Unit 1 #13 | 12,600 | 42332220 |
| 650326Amendment | Dec 6, 2007 | Dec 6, 2007 | Southwestern Energy Prod. Co. | Smith | Jesse Randolph Odom Gas Unit 1 #13 | 12,600 | 42332220 |
| 650346 | Nov 30, 2007 | Nov 30, 2007 | Southwestern Energy Prod. Co. | Angelina | J. W. Sessions Heirs #15R | 12,000 | 00530328 |
| 648597 | Nov 28, 2007 | Nov 28, 2007 | Southwestern Energy Prod. Co. | Smith | Milton Anderson Gas Unit 1 #17 | 12,000 | 42332219 |
| 647869 | Nov 14, 2007 | Nov 14, 2007 | Southwestern Energy Prod. Co. | Smith | Jesse Randolph Odom Gas Unit 1 #10 | 12,400 | 42332215 |
| 647849 | Nov 14, 2007 | Nov 14, 2007 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #17 | 12,500 | 42332214 |
| 647766 | Nov 14, 2007 | Nov 14, 2007 | Southwestern Energy Prod. Co. | Cherokee | Shelton #7 | 12,100 | 07331301 |
| 647764 | Nov 14, 2007 | Nov 14, 2007 | Southwestern Energy Prod. Co. | Cherokee | Shelton #5 | 12,100 | 07331300 |
| 649089 | Nov 12, 2007 | Nov 12, 2007 | Southwestern Energy Prod. Co. | Smith | Sallie M. Warren Hrs. Gas Unit 1 #8 | 12,200 | 42332217 |
| 648515 | Nov 2, 2007 | Nov 2, 2007 | Southwestern Energy Prod. Co. | Angelina | J. W. Sessions Heirs #16HH | 9,800 | 00530325 |
| 648515Amendment | Nov 2, 2007 | Nov 2, 2007 | Southwestern Energy Prod. Co. | Angelina | J. W. Sessions Heirs #16HH | 9,800 | 00530325 |
| 647363 | Oct 31, 2007 | Oct 31, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar 350 #1 | 11,000 | 40530208 |
| 647363Amendment | Oct 31, 2007 | Oct 31, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar 350 #1 | 11,000 | 40530208 |
| 647363Amendment | Oct 31, 2007 | Oct 31, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar 350 #1 | 11,000 | 40530208 |
| 647345 | Oct 31, 2007 | Oct 31, 2007 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #16 | 12,500 | 42332212 |
| 647208 | Oct 31, 2007 | Oct 31, 2007 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #13 | 12,500 | 42332211 |
| 648332 | Oct 30, 2007 | Oct 30, 2007 | Southwestern Energy Prod. Co. | Smith | Sallie M. Warren Hrs. Gas Unit 1 #10 | 12,200 | 42332208 |
| 647084 | Oct 29, 2007 | Oct 29, 2007 | Southwestern Energy Prod. Co. | Smith | Jesse Randolph Odom Gas Unit 1 #14 | 12,500 | 42332210 |
| 646676 | Oct 26, 2007 | Oct 26, 2007 | Southwestern Energy Prod. Co. | Cherokee | Shelton #4 | 12,000 | 07331298 |
| 647871 | Oct 18, 2007 | Oct 18, 2007 | Southwestern Energy Prod. Co. | Cherokee | Sessions, Rube #10HH | 9,850 | 07331296 |
| 647871Amendment | Oct 18, 2007 | Oct 18, 2007 | Southwestern Energy Prod. Co. | Cherokee | Sessions, Rube #10HH | 9,850 | 07331296 |
| 647615 | Oct 18, 2007 | Oct 18, 2007 | Southwestern Energy Prod. Co. | Angelina | Sessions, J. W. Heirs #15 | 12,000 | 00530322 |
| 647038 | Oct 5, 2007 | Oct 5, 2007 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #11 | 12,300 | 42332206 |
| 646336 | Sep 24, 2007 | Sep 24, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Mills #1HH | 8,000 | 40530206 |
| 645856 | Sep 18, 2007 | Sep 18, 2007 | Southwestern Energy Prod. Co. | Smith | P. M. Wilson Heirs Unit 1 #7 | 12,000 | 42332204 |
| 645376 | Sep 6, 2007 | Sep 6, 2007 | Southwestern Energy Prod. Co. | Cherokee | Sessions, Rube #8 | 12,200 | 07331277 |
| 645077 | Aug 29, 2007 | Aug 29, 2007 | Southwestern Energy Prod. Co. | Cherokee | Morby & Walsh #1 | 14,600 | 07331276 |
| 645077Amendment | Aug 29, 2007 | Aug 29, 2007 | Southwestern Energy Prod. Co. | Cherokee | Morby & Walsh Gas Unit 1 #1 | 14,600 | 07331276 |
| 642626 | Aug 28, 2007 | Aug 28, 2007 | Southwestern Energy Prod. Co. | Cherokee | Afton Thrash Unit 1 #12 | 12,900 | 07331274 |
| 644884 | Aug 24, 2007 | Aug 24, 2007 | Southwestern Energy Prod. Co. | Smith | Perry Gas Unit 1 #11HH | 12,000 | 42332202 |
| 644339 | Aug 16, 2007 | Aug 16, 2007 | Southwestern Energy Prod. Co. | Cherokee | Afton Thrash Unit 1 #18 | 12,900 | 07331273 |
| 644319 | Aug 16, 2007 | Aug 16, 2007 | Southwestern Energy Prod. Co. | Angelina | Williams #1 | 12,500 | 00530316 |
| 644319Amendment | Aug 16, 2007 | Aug 16, 2007 | Southwestern Energy Prod. Co. | Angelina | Williams #1 | 12,500 | 00530316 |
| 644282 | Aug 15, 2007 | Aug 15, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar 58 #1 | 12,200 | 40530204 |
| 643862 | Aug 10, 2007 | Aug 10, 2007 | Southwestern Energy Prod. Co. | Cherokee | Afton Thrash Unit 1 #17 | 13,000 | 07331272 |
| 642318 | Aug 9, 2007 | Aug 9, 2007 | Southwestern Energy Prod. Co. | Smith | Wright Gas Unit 1 #10 | 12,200 | 42332198 |
| 643326 | Aug 4, 2007 | Aug 4, 2007 | Southwestern Energy Prod. Co. | Smith | Woolf Gas Unit 1 #7 | 12,100 | 42332196 |
| 642690 | Jul 30, 2007 | Jul 30, 2007 | Southwestern Energy Prod. Co. | Upshur | Harkrider #1 | 11,900 | 45931385 |
| 642580 | Jul 27, 2007 | Jul 27, 2007 | Southwestern Energy Prod. Co. | Cherokee | Barnes Gas Unit 1 #18 | 12,800 | 07331265 |
| 641181 | Jul 27, 2007 | Jul 27, 2007 | Southwestern Energy Prod. Co. | Nacogdoches | Griffith Heirs Gas Unit 3 #2 | 12,400 | 34732600 |
| 640788 | Jul 25, 2007 | Jul 25, 2007 | Southwestern Energy Prod. Co. | Cherokee | Rube Sessions #4 | 12,600 | 07331269 |
| 640781 | Jul 25, 2007 | Jul 25, 2007 | Southwestern Energy Prod. Co. | Cherokee | Rube Sessions #5 | 12,000 | 07331268 |
| 640781Amendment | Jul 25, 2007 | Jul 25, 2007 | Southwestern Energy Prod. Co. | Cherokee | Sessions, Rube #5 | 12,000 | 07331268 |
| 640771 | Jul 25, 2007 | Jul 25, 2007 | Southwestern Energy Prod. Co. | Cherokee | Cravens #1 | 12,400 | 07331267 |
| 640733 | Jul 25, 2007 | Jul 25, 2007 | Southwestern Energy Prod. Co. | Cherokee | Shelton #8 | 12,300 | 07331266 |
| 640731 | Jul 18, 2007 | Jul 18, 2007 | Southwestern Energy Prod. Co. | Cherokee | Shelton #6 | 12,400 | 07331263 |
| 641959 | Jul 14, 2007 | Jul 14, 2007 | Southwestern Energy Prod. Co. | Smith | Wright Gas Unit 1 #13 | 12,000 | 42332193 |
| 641940 | Jul 14, 2007 | Jul 14, 2007 | Southwestern Energy Prod. Co. | Smith | Jerry Cross Gas Unit 1 #16 | 12,300 | 42332194 |
| 641940Amendment | Jul 14, 2007 | Jul 14, 2007 | Southwestern Energy Prod. Co. | Smith | Jerry Cross Gas Unit 1 #16 | 12,300 | 42332194 |
| 641928 | Jul 14, 2007 | Jul 14, 2007 | Southwestern Energy Prod. Co. | Nacogdoches | Griffith Heirs Gas Unit 2 #2 | 12,300 | 34732586 |
| 641176 | Jul 3, 2007 | Jul 3, 2007 | Southwestern Energy Prod. Co. | Upshur | Stout #1 | 12,100 | 45931384 |
| 641037 | Jun 29, 2007 | Jun 29, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar 574 #1 | 12,000 | 40530201 |
| 641015 | Jun 29, 2007 | Jun 29, 2007 | Southwestern Energy Prod. Co. | Nacogdoches | Griffith Heirs Gas Unit 3 #3 | 12,400 | 34732577 |
| 640333 | Jun 15, 2007 | Jun 15, 2007 | Southwestern Energy Prod. Co. | Cherokee | Shelton #3 | 12,000 | 07331257 |
| 638596 | Jun 7, 2007 | Jun 7, 2007 | Southwestern Energy Prod. Co. | Smith | Woolf Gas Unit 1 #15 | 12,100 | 42332188 |
| 638620 | Jun 6, 2007 | Jun 6, 2007 | Southwestern Energy Prod. Co. | Smith | Waldrop Gas Unit 1 #14 | 12,600 | 42332189 |
| 638620Amendment | Jun 6, 2007 | Jun 6, 2007 | Southwestern Energy Prod. Co. | Smith | Waldrop Gas Unit 1 #14 | 12,600 | 42332189 |
| 638602 | Jun 6, 2007 | Jun 6, 2007 | Southwestern Energy Prod. Co. | Cherokee | Barnes Gas Unit 1 #15 | 12,500 | 07331255 |
| 638533 | Jun 4, 2007 | Jun 4, 2007 | Southwestern Energy Prod. Co. | Cherokee | Afton Thrash Unit 1 #7 | 12,900 | 07331254 |
| 638524 | Jun 4, 2007 | Jun 4, 2007 | Southwestern Energy Prod. Co. | Cherokee | Afton Thrash Unit 1 #6 | 13,200 | 07331253 |
| 639604 | May 30, 2007 | May 30, 2007 | Southwestern Energy Prod. Co. | Cherokee | Hill, J. C. #4 | 12,700 | 07331252 |
| 638911 | May 23, 2007 | May 23, 2007 | Southwestern Energy Prod. Co. | Smith | McMoyle Unit 1 #16 | 13,000 | 42332187 |
| 638857 | May 18, 2007 | May 18, 2007 | Southwestern Energy Prod. Co. | Cherokee | Davis Bros. #1 | 12,200 | 07331248 |
| 638516 | May 15, 2007 | May 15, 2007 | Southwestern Energy Prod. Co. | Smith | Arnold Gas Unit 1 #17 | 12,000 | 42332185 |
| 638514 | May 14, 2007 | May 14, 2007 | Southwestern Energy Prod. Co. | Cherokee | Barnes Gas Unit 1 #10 | 12,600 | 07331247 |
| 633953 | Apr 9, 2007 | Apr 9, 2007 | Southwestern Energy Prod. Co. | Smith | Shaw Gas Unit 1 #10 | 12,200 | 42332174 |
| 633948 | Apr 9, 2007 | Apr 9, 2007 | Southwestern Energy Prod. Co. | Smith | Jerry Cross Gas Unit 1 #12 | 12,200 | 42332175 |
| 636035 | Apr 5, 2007 | Apr 5, 2007 | Southwestern Energy Prod. Co. | Angelina | J. W. Sessions Heirs #1SW | 9,500 | 00530302 |
| 636174 | Apr 4, 2007 | Apr 4, 2007 | Southwestern Energy Prod. Co. | San Augustine | Timberstar #1 | 11,400 | 40530198 |
| 634834 | Mar 19, 2007 | Mar 19, 2007 | Southwestern Energy Prod. Co. | Nacogdoches | Schwartz #1 | 12,500 | 34732506 |
| 634815 | Mar 16, 2007 | Mar 16, 2007 | Southwestern Energy Prod. Co. | Nacogdoches | Fincher #1 | 12,100 | 34732505 |
| 634815Amendment | Mar 16, 2007 | Mar 16, 2007 | Southwestern Energy Prod. Co. | Nacogdoches | Fincher #1 | 12,100 | 34732505 |
| 634815Amendment | Mar 16, 2007 | Mar 16, 2007 | Southwestern Energy Prod. Co. | Nacogdoches | Fincher #1 | 12,100 | 34732505 |
| 634947 | Mar 15, 2007 | Mar 15, 2007 | Southwestern Energy Prod. Co. | Angelina | Sessions, J. W. #8 | 12,700 | 00530298 |
| 634931 | Mar 15, 2007 | Mar 15, 2007 | Southwestern Energy Prod. Co. | Angelina | J. W. Sessions Heirs #7 | 12,500 | 00530297 |
| 634915 | Mar 15, 2007 | Mar 15, 2007 | Southwestern Energy Prod. Co. | Shelby | Beckham Gas Unit 1 #4 | 11,500 | 41931143 |
| 634872 | Mar 14, 2007 | Mar 14, 2007 | Southwestern Energy Prod. Co. | Cherokee | J. W. Sessions Heirs #9 | 12,600 | 07331238 |
| 634640 | Mar 12, 2007 | Mar 12, 2007 | Southwestern Energy Prod. Co. | Smith | Jesse Randolph Odom Gas Unit 1 #7 | 12,700 | 42332180 |