| 747785 | Sep 19, 2012 | Sep 19, 2012 | Southwestern Energy Prod. Co. | Nacogdoches | Fincher-Schwartz Gas Unit 1 #1 | 13,700 | 34732506 |
| 731849 | Feb 2, 2012 | Feb 2, 2012 | Southwestern Energy Prod. Co. | Smith | P. M. Wilson Heirs Unit 1 #6 | 11,000 | 42331844 |
| 714348 | Apr 25, 2011 | Apr 25, 2011 | Southwestern Energy Prod. Co. | San Augustine | Howard GU 1 #1HH | 7,560 | 40530440 |
| 709919 | Feb 18, 2011 | Feb 18, 2011 | Southwestern Energy Prod. Co. | Nacogdoches | Fincher-Schwartz Gas Unit 1 #1 | 10,300 | 34732506 |
| 709287 | Feb 7, 2011 | Feb 7, 2011 | Southwestern Energy Prod. Co. | Shelby | Haley G #1 | 13,000 | 41931661 |
| 708227 | Jan 19, 2011 | Jan 19, 2011 | Southwestern Energy Prod. Co. | San Augustine | Higginbotham U Unit #1HH | 13,500 | 40530408 |
| 706867 | Dec 20, 2010 | Dec 20, 2010 | Southwestern Energy Prod. Co. | Shelby | Risinger P GU #1 | 13,000 | 41931652 |
| 706035 | Dec 7, 2010 | Dec 7, 2010 | Southwestern Energy Prod. Co. | Shelby | Risinger J GU #1 | 13,000 | 41931646 |
| 705825 | Dec 2, 2010 | Dec 2, 2010 | Southwestern Energy Prod. Co. | Smith | Milton Anderson Oil Unit #4RC | 8,980 | 42331609 |
| 705344 | Nov 18, 2010 | Nov 18, 2010 | Southwestern Energy Prod. Co. | San Augustine | Borders Q #1HH | 13,500 | 40530394 |
| 704044 | Oct 22, 2010 | Oct 22, 2010 | Southwestern Energy Prod. Co. | Smith | Jerry Cross Oil Unit #4RC | 7,750 | 42331692 |
| 702560 | Oct 5, 2010 | Oct 5, 2010 | Southwestern Energy Prod. Co. | San Augustine | BP 152 (Pettet) 1 #1HH | 7,918 | 40530309 |
| 702472 | Sep 24, 2010 | Sep 24, 2010 | Southwestern Energy Prod. Co. | Shelby | Wynn Trust H #1 | 12,850 | 41931628 |
| 700733 | Aug 20, 2010 | Aug 20, 2010 | Southwestern Energy Prod. Co. | Shelby | Crest E #1 | 13,100 | 41931620 |
| 700251 | Aug 6, 2010 | Aug 6, 2010 | Southwestern Energy Prod. Co. | Shelby | Crest D GU #1 | 13,000 | 41931617 |
| 700243 | Aug 6, 2010 | Aug 6, 2010 | Southwestern Energy Prod. Co. | Shelby | Crest F GU #1 | 13,100 | 41931616 |
| 699146 | Jul 20, 2010 | Jul 20, 2010 | Southwestern Energy Prod. Co. | San Augustine | Steadham GU 1 #1HH | 7,900 | 40530364 |
| 698758 | Jul 13, 2010 | Jul 13, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt GU 2 #1HH | 7,600 | 40530363 |
| 698622 | Jul 8, 2010 | Jul 8, 2010 | Southwestern Energy Prod. Co. | Sabine | Crest C #1HH | 12,700 | 40330459 |
| 697675 | Jun 17, 2010 | Jun 17, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins #2HH | 7,600 | 40530356 |
| 695564 | May 7, 2010 | May 7, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Sprr 2 #1HH | 7,600 | 40530344 |
| 695186 | Apr 30, 2010 | Apr 30, 2010 | Southwestern Energy Prod. Co. | Shelby | Harris B #1 HH | 13,200 | 41931590 |
| 694473 | Apr 26, 2010 | Apr 26, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Sprr 1 #1HH | 7,600 | 40530341 |
| 693485 | Mar 26, 2010 | Mar 26, 2010 | Southwestern Energy Prod. Co. | Shelby | Waterman (Pettet) 3 #1HH | 7,800 | 41931572 |
| 691857 | Mar 1, 2010 | Mar 1, 2010 | Southwestern Energy Prod. Co. | Shelby | Timberstar-Blackstone GU 1 #1HH | 13,000 | 41931557 |
| 691512 | Feb 19, 2010 | Feb 19, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 6 #1HH | 7,700 | 40530328 |
| 691512Amendment | Feb 19, 2010 | Feb 19, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 6 #1HH | 7,700 | 40530328 |
| 690843 | Feb 11, 2010 | Feb 11, 2010 | Southwestern Energy Prod. Co. | San Augustine | Tuppen (Pettet) 3 #1HH | 8,000 | 40530323 |
| 690757 | Feb 11, 2010 | Feb 11, 2010 | Southwestern Energy Prod. Co. | San Augustine | Tuppen (Pettet) 3 #2HH | 8,000 | 40530322 |
| 689760 | Jan 15, 2010 | Jan 15, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 5 #1HH | 7,800 | 40530317 |
| 689708 | Jan 14, 2010 | Jan 14, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 5 #2HH | 7,800 | 40530316 |
| 689257 | Jan 8, 2010 | Jan 8, 2010 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Davis (Pettet) 2 #1HH | 8,000 | 40530315 |
| 688998 | Dec 30, 2009 | Dec 30, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Davis GU 3 #1HH | 8,000 | 40530314 |
| 688498 | Dec 11, 2009 | Dec 11, 2009 | Southwestern Energy Prod. Co. | San Augustine | BP 152 (Pettet) 1 #1HH | 8,000 | 40530309 |
| 686622 | Oct 28, 2009 | Oct 28, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Mills #2HH | 7,800 | 40530302 |
| 686619 | Oct 27, 2009 | Oct 27, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Mills #1HH | 7,800 | 40530301 |
| 686031 | Oct 12, 2009 | Oct 12, 2009 | Southwestern Energy Prod. Co. | Shelby | Acheron (Pettet) #2HH | 8,300 | 41931511 |
| 686022 | Oct 12, 2009 | Oct 12, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Railroad 152 GU 2 #2HH | 7,800 | 40530300 |
| 686018 | Oct 12, 2009 | Oct 12, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Railroad 152 GU 2 #1HH | 7,800 | 40530299 |
| 686018Amendment | Oct 12, 2009 | Oct 12, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Railroad 152 GU 2 #1HH | 7,500 | 40530299 |
| 686018Amendment | Oct 12, 2009 | Oct 12, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Railroad 152 GU 2 #1HH | 7,500 | 40530299 |
| 684593 | Sep 9, 2009 | Sep 9, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt NW #4HH | 7,600 | 40530295 |
| 684593Amendment | Sep 9, 2009 | Sep 9, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt GU 1 #2HH | 7,600 | 40530295 |
| 684593Amendment | Sep 9, 2009 | Sep 9, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt GU 1 #2HH | 7,600 | 40530295 |
| 684594 | Sep 4, 2009 | Sep 4, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt NW #2HH | 7,650 | 40530294 |
| 684594Amendment | Sep 4, 2009 | Sep 4, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt GU 1 #1HH | 7,650 | 40530294 |
| 684594Amendment | Sep 4, 2009 | Sep 4, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt GU 1 #1HH | 7,650 | 40530294 |
| 683846 | Sep 2, 2009 | Sep 2, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Platt SW #1HH | 7,900 | 40530292 |
| 681570 | Aug 11, 2009 | Aug 11, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Weaver #2HH | 7,900 | 40530281 |
| 683305 | Jul 30, 2009 | Jul 30, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 3 #2HH | 7,750 | 40530290 |
| 683299 | Jul 30, 2009 | Jul 30, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 3 #1HH | 7,750 | 40530288 |
| 683198 | Jul 28, 2009 | Jul 28, 2009 | Southwestern Energy Prod. Co. | San Augustine | Adj Minerals GU 3 #1HH | 7,800 | 40530287 |
| 681571 | Jul 21, 2009 | Jul 21, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Weaver #4HH | 7,900 | 40530280 |
| 682885 | Jul 14, 2009 | Jul 14, 2009 | Southwestern Energy Prod. Co. | San Augustine | Adj Minerals #2HH | 7,900 | 40530286 |
| 681568 | Jun 5, 2009 | Jun 5, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Weaver #3HH | 7,900 | 40530279 |
| 681567 | Jun 4, 2009 | Jun 4, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Weaver #1HH | 7,900 | 40530278 |
| 680976 | May 22, 2009 | May 22, 2009 | Southwestern Energy Prod. Co. | San Augustine | Adj Minerals GU 2 #1HH | 7,900 | 40530275 |
| 680987 | May 15, 2009 | May 15, 2009 | Southwestern Energy Prod. Co. | San Augustine | Adj Minerals GU 2 #2HH | 7,900 | 40530276 |
| 680907 | May 11, 2009 | May 11, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 4 #2HH | 7,850 | 40530274 |
| 680883 | May 7, 2009 | May 7, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 4 #1HH | 7,800 | 40530273 |
| 680046 | Apr 14, 2009 | Apr 14, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Railroad 152 #1HH | 7,700 | 40530271 |
| 680045 | Apr 14, 2009 | Apr 14, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-BP-Railroad 152 #2HH | 7,700 | 40530270 |
| 679331 | Apr 14, 2009 | Apr 14, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Railroad 153 #2HH | 7,800 | 40530265 |
| 679508 | Apr 6, 2009 | Apr 6, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Davis #1HH | 7,600 | 40530210 |
| 678143 | Mar 23, 2009 | Mar 23, 2009 | Southwestern Energy Prod. Co. | San Augustine | Boles, Cecilia #1HH | 7,600 | 40530259 |
| 678142 | Mar 23, 2009 | Mar 23, 2009 | Southwestern Energy Prod. Co. | San Augustine | Boles, Cecilia #2HH | 7,600 | 40530258 |
| 678410 | Feb 23, 2009 | Feb 23, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar Mills #10HH | 7,600 | 40530263 |
| 678399 | Feb 20, 2009 | Feb 20, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar Tartt #4HH | 7,700 | 40530262 |
| 677993 | Feb 17, 2009 | Feb 17, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar BP Railroad 153 #1HH | 7,800 | 40530260 |
| 678171 | Feb 13, 2009 | Feb 13, 2009 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Tartt #3HH | 7,600 | 40530261 |
| 677114 | Jan 21, 2009 | Jan 21, 2009 | Southwestern Energy Prod. Co. | San Augustine | Adj Minerals #1HH | 7,800 | 40530256 |
| 676183 | Dec 23, 2008 | Dec 23, 2008 | Southwestern Energy Prod. Co. | San Augustine | Adj Minerals BP #1HH | 7,600 | 40530254 |
| 675714 | Dec 11, 2008 | Dec 11, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Mills B #9HH | 7,800 | 40530253 |
| 675646 | Dec 10, 2008 | Dec 10, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Mills B #7HH | 7,800 | 40530252 |
| 674893 | Nov 25, 2008 | Nov 25, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Mills B #8HH | 7,800 | 40530250 |
| 674559 | Nov 20, 2008 | Nov 20, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Mills B #6HH | 7,800 | 40530249 |
| 674454 | Nov 18, 2008 | Nov 18, 2008 | Southwestern Energy Prod. Co. | Smith | Wright Gas Unit 1 #11HH | 11,800 | 42332253 |
| 669460 | Oct 8, 2008 | Oct 8, 2008 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #12 | 12,550 | 42332252 |
| 670567 | Sep 29, 2008 | Sep 29, 2008 | Southwestern Energy Prod. Co. | Angelina | Weddington #5 | 9,400 | 00530285 |
| 670670 | Sep 25, 2008 | Sep 25, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 2 #3HH | 7,600 | 40530239 |
| 670672 | Sep 24, 2008 | Sep 24, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Hopkins GU 2 #5HH | 7,600 | 40530238 |
| 667034 | Sep 5, 2008 | Sep 5, 2008 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #14 | 12,500 | 42332249 |
| 667034Amendment | Sep 5, 2008 | Sep 5, 2008 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #14 | 12,500 | 42332249 |
| 667660 | Aug 12, 2008 | Aug 12, 2008 | Southwestern Energy Prod. Co. | Shelby | Acheron #1HH | 7,400 | 41931343 |
| 666858 | Aug 4, 2008 | Aug 4, 2008 | Southwestern Energy Prod. Co. | Shelby | Timberstar-Tuppen #2HH | 7,500 | 41931332 |
| 666588 | Aug 1, 2008 | Aug 1, 2008 | Southwestern Energy Prod. Co. | Shelby | Timberstar-Tuppen #1HH | 7,500 | 41931329 |
| 666159 | Jul 28, 2008 | Jul 28, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Waterman B #2HH | 7,600 | 40530232 |
| 665568 | Jul 28, 2008 | Jul 28, 2008 | Southwestern Energy Prod. Co. | San Augustine | McFaddin Mineral Trust #1 | 9,600 | 40530230 |
| 665568Amendment | Jul 28, 2008 | Jul 28, 2008 | Southwestern Energy Prod. Co. | San Augustine | McFaddin Mineral Trust #1H | 9,600 | 40530230 |
| 665455 | Jul 17, 2008 | Jul 17, 2008 | Southwestern Energy Prod. Co. | Smith | Kirkpatrick Gas Unit 1 #15 | 12,500 | 42332247 |
| 664536 | Jul 2, 2008 | Jul 2, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Waterman #1HH | 7,600 | 40530228 |
| 664536Amendment | Jul 2, 2008 | Jul 2, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Waterman #1HH | 7,600 | 40530228 |
| 663787 | Jun 21, 2008 | Jun 21, 2008 | Southwestern Energy Prod. Co. | Nacogdoches | Mast #5HH | 9,700 | 34732853 |
| 663787Amendment | Jun 21, 2008 | Jun 21, 2008 | Southwestern Energy Prod. Co. | Nacogdoches | Mast #5HH | 9,700 | 34732853 |
| 663310 | Jun 18, 2008 | Jun 18, 2008 | Southwestern Energy Prod. Co. | Cherokee | Barnes Gas Unit 1 #14 | 12,500 | 07331373 |
| 663310Amendment | Jun 18, 2008 | Jun 18, 2008 | Southwestern Energy Prod. Co. | Cherokee | Barnes Gas Unit 1 #14H | 12,500 | 07331373 |
| 662986 | Jun 13, 2008 | Jun 13, 2008 | Southwestern Energy Prod. Co. | Smith | Sallie M. Warren Hrs. Gas Unit 1 #15 | 12,250 | 42332239 |
| 661620 | May 29, 2008 | May 29, 2008 | Southwestern Energy Prod. Co. | San Augustine | Timberstar-Tartt #2HH | 7,700 | 40530222 |
| 660836 | May 19, 2008 | May 19, 2008 | Southwestern Energy Prod. Co. | Angelina | J. W. Sessions Heirs #20HH | 10,000 | 00530349 |
| 660502 | May 13, 2008 | May 13, 2008 | Southwestern Energy Prod. Co. | Nacogdoches | Winston Gas Unit #8 | 12,500 | 34732830 |