| 725639 | Oct 7, 2011 | Oct 7, 2011 | Alta Mesa Services, LP | Belin #1HH | 9,000 | 28931969 |
| 725639Amendment | Oct 7, 2011 | Oct 7, 2011 | Alta Mesa Services, LP | Belin #1HH | 9,000 | 28931969 |
| 725215 | Sep 30, 2011 | Sep 30, 2011 | Longbranch Energy, LP | Oak Tree SWD #1 | 10,500 | 28931968 |
| 724873 | Sep 26, 2011 | Sep 26, 2011 | XTO Energy Inc. | Bryan #2 | 7,000 | 28931459 |
| 724156 | Sep 21, 2011 | Sep 21, 2011 | Encana Oil & Gas(usa) Inc. | McMurrey-State Unit #2 | 20,000 | 28931874 |
| 724319 | Sep 19, 2011 | Sep 19, 2011 | BRG Lone Star Ltd. | Tommy Johnson #1 | 10,500 | 28931966 |
| 723956 | Sep 19, 2011 | Sep 19, 2011 | Basa Resources, Inc. | Leone Plantation #10 | 6,300 | 28931965 |
| 723872 | Sep 19, 2011 | Sep 19, 2011 | BRG Lone Star Ltd. | Ericson Gas Unit #4 | 10,500 | 28931964 |
| 723970 | Sep 13, 2011 | Sep 13, 2011 | Gastar Exploration Texas, LP | Gastar Williams #2 | 8,066 | 28931912 |
| 723970Amendment | Sep 13, 2011 | Sep 13, 2011 | Gastar Exploration Texas, LP | Gastar Williams #2 | 8,066 | 28931912 |
| 723263 | Sep 3, 2011 | Sep 3, 2011 | Valence Operating Company | Campbell Gas Unit #5 | 11,000 | 28931963 |
| 723304 | Sep 1, 2011 | Sep 1, 2011 | Pmo | Bunyard #1HH | 7,550 | 28931962 |
| 723304Amendment | Sep 1, 2011 | Sep 1, 2011 | Pmo | Bunyard #1HH | 7,550 | 28931962 |
| 722774 | Aug 26, 2011 | Aug 26, 2011 | Valence Operating Company | Ira Gillen #3 | 11,000 | 28931961 |
| 722286 | Aug 23, 2011 | Aug 23, 2011 | BRG Lone Star Ltd. | Haynie #2 | 10,300 | 28931960 |
| 721396 | Aug 15, 2011 | Aug 15, 2011 | Encana Oil & Gas(usa) Inc. | Little 4 Ranch #1 | 22,000 | 28931753 |
| 721781 | Aug 10, 2011 | Aug 10, 2011 | Pmo | Gresham #1HH | 7,100 | 28931959 |
| 721480 | Aug 5, 2011 | Aug 5, 2011 | BRG Lone Star Ltd. | Sharp, A. L. #3 | 10,500 | 28931958 |
| 720993 | Aug 1, 2011 | Aug 1, 2011 | Valence Operating Company | Russell 'A' #7 | 11,000 | 28931957 |
| 720455 | Jul 27, 2011 | Jul 27, 2011 | BRG Lone Star Ltd. | Helmcamp #5 | 10,500 | 28931956 |
| 720376 | Jul 25, 2011 | Jul 25, 2011 | XTO Energy Inc. | Red Ranch Gas Unit #1 | 16,800 | 28931955 |
| 720376Amendment | Jul 25, 2011 | Jul 25, 2011 | XTO Energy Inc. | Red Ranch Gas Unit #1 | 16,800 | 28931955 |
| 720376Amendment | Jul 25, 2011 | Jul 25, 2011 | XTO Energy Inc. | Red Ranch Gas Unit #1 | 16,800 | 28931955 |
| 720376Amendment | Jul 25, 2011 | Jul 25, 2011 | XTO Energy Inc. | Red Ranch Gas Unit #1 | 16,800 | 28931955 |
| 720573 | Jul 22, 2011 | Jul 22, 2011 | Dallas Production, Inc. | Smith, Shelby 'A' #2 | 7,600 | 28931953 |
| 720453 | Jul 22, 2011 | Jul 22, 2011 | BRG Lone Star Ltd. | Helmcamp #4 | 10,500 | 28931954 |
| 720329 | Jul 19, 2011 | Jul 19, 2011 | Williams, Clayton Energy, Inc. | Hamill Foundation #1 | 20,000 | 28931952 |
| 719526 | Jul 6, 2011 | Jul 6, 2011 | Pmo | Homer Coleman #1HH | 7,700 | 28931951 |
| 719053 | Jun 27, 2011 | Jun 27, 2011 | Pmo | Sherman #1HH | 7,000 | 28931950 |
| 718834 | Jun 27, 2011 | Jun 27, 2011 | Valence Operating Company | Lewis 'B' #24 | 15,000 | 28931949 |
| 718629 | Jun 23, 2011 | Jun 23, 2011 | Valence Operating Company | Hill #1 | 16,500 | 28931948 |
| 718160 | Jun 16, 2011 | Jun 16, 2011 | BRG Lone Star Ltd. | Klaras Gas Unit #1 | 10,500 | 28931947 |
| 717816 | Jun 15, 2011 | Jun 15, 2011 | XTO Energy Inc. | Fitz Gas Unit #1 | 16,700 | 28931946 |
| 717816Amendment | Jun 15, 2011 | Jun 15, 2011 | XTO Energy Inc. | Fitz Gas Unit #1 | 18,000 | 28931946 |
| 717816Amendment | Jun 15, 2011 | Jun 15, 2011 | XTO Energy Inc. | Fitz Gas Unit #1 | 18,000 | 28931946 |
| 717816Amendment | Jun 15, 2011 | Jun 15, 2011 | XTO Energy Inc. | Fitz Gas Unit #1 | 18,000 | 28931946 |
| 717597 | Jun 9, 2011 | Jun 9, 2011 | XTO Energy Inc. | McAshan Gas Unit #6 | 14,200 | 28931945 |
| 717450 | Jun 3, 2011 | Jun 3, 2011 | BRG Lone Star Ltd. | Miles-Clute Gas Unit #1 | 10,150 | 28931943 |
| 717455 | Jun 2, 2011 | Jun 2, 2011 | Encana Oil & Gas(usa) Inc. | Gresham Trust #1HH | 15,500 | 28931944 |
| 717455Amendment | Jun 2, 2011 | Jun 2, 2011 | Encana Oil & Gas(usa) Inc. | Gresham Trust #1HH | 15,500 | 28931944 |
| 716807 | May 31, 2011 | May 31, 2011 | Valence Operating Company | Lewis 'B' #23 | 15,000 | 28931942 |
| 714767 | May 26, 2011 | May 26, 2011 | Basa Resources, Inc. | Leone Plantation #9 | 6,500 | 28931936 |
| 717039 | May 25, 2011 | May 25, 2011 | Shoco Production, L.P. | Hailey Heirs #1 | 7,000 | 28931941 |
| 716124 | May 17, 2011 | May 17, 2011 | Woodbine Production Corporation | American National Insurance Co. #1 | 7,600 | 28900536 |
| 716035 | May 17, 2011 | May 17, 2011 | XTO Energy Inc. | Effie Mae Hull #4 | 10,520 | 28931241 |
| 715764 | May 9, 2011 | May 9, 2011 | Caskids Operating Company | Barnes, Charles #1HH | 8,000 | 28931940 |
| 715764Amendment | May 9, 2011 | May 9, 2011 | Furie Operating, LLC | Barnes, Charles #1HH | 8,000 | 28931940 |
| 715220 | May 4, 2011 | May 4, 2011 | Pmo | Manning #1HH | 7,500 | 28931939 |
| 714738 | Apr 29, 2011 | Apr 29, 2011 | XTO Energy Inc. | Harrell 'C' #4 | 15,800 | 28931938 |
| 714673 | Apr 29, 2011 | Apr 29, 2011 | XTO Energy Inc. | Fullen Gas Unit #6HH | 20,000 | 28931937 |
| 714673Amendment | Apr 29, 2011 | Apr 29, 2011 | XTO Energy Inc. | Fullen Gas Unit #6HH | 20,000 | 28931937 |
| 714419 | Apr 20, 2011 | Apr 20, 2011 | Brooks Petroleum Company | Lipsey -C- #4 | 9,000 | 28931935 |
| 714188 | Apr 20, 2011 | Apr 20, 2011 | Encana Oil & Gas(usa) Inc. | Little 4 Ranch #2 | 19,500 | 28931807 |
| 713501 | Apr 15, 2011 | Apr 15, 2011 | Basa Resources, Inc. | Leone Plantation #8 | 6,500 | 28931934 |
| 713401 | Apr 6, 2011 | Apr 6, 2011 | Valence Operating Company | Russell 'A' #4R | 11,000 | 28931933 |
| 712642 | Mar 25, 2011 | Mar 25, 2011 | XTO Energy Inc. | Gail King #57HRH | 18,500 | 28931932 |
| 710864 | Mar 3, 2011 | Mar 3, 2011 | XTO Energy Inc. | Varibus #12HH | 21,000 | 28931931 |
| 710833 | Mar 2, 2011 | Mar 2, 2011 | XTO Energy Inc. | Newell 'A' #2 | 9,700 | 28931306 |
| 711059 | Mar 1, 2011 | Mar 1, 2011 | Shoco Production, L.P. | Henry Gas Unit #1 | 12,000 | 28931930 |
| 710626 | Feb 23, 2011 | Feb 23, 2011 | Brooks Petroleum Company | Gragg, Billy H. #3 | 7,000 | 28931929 |
| 709669 | Feb 15, 2011 | Feb 15, 2011 | Prime Operating Company | M. B. Rudman - McLeroy #1 | 6,300 | 28900203 |
| 709173 | Feb 4, 2011 | Feb 4, 2011 | BRG Lone Star Ltd. | Ellison Gas Unit #2 | 10,500 | 28931867 |
| 709601 | Feb 3, 2011 | Feb 3, 2011 | XTO Energy Inc. | Varibus #10HRH | 19,500 | 28931928 |
| 709550 | Feb 3, 2011 | Feb 3, 2011 | Brooks Petroleum Company | Lipsey -B- #3 | 9,000 | 28931927 |
| 708703 | Jan 31, 2011 | Jan 31, 2011 | Encana Oil & Gas(usa) Inc. | Senator Ranch 'B' Unit #4 | 20,000 | 28931926 |
| 709057 | Jan 27, 2011 | Jan 27, 2011 | Chesapeake Operating, Inc. | Center Ranch A #1HH | 16,000 | 28931925 |
| 709008 | Jan 27, 2011 | Jan 27, 2011 | Gastar Exploration Texas, LP | Gastar Belin #3 | 20,000 | 28931924 |
| 708623 | Jan 20, 2011 | Jan 20, 2011 | Pmo | Carr-Coleman #1HH | 7,800 | 28931923 |
| 708010 | Jan 12, 2011 | Jan 12, 2011 | BRG Lone Star Ltd. | Betts Gas Unit #2 | 10,500 | 28931922 |
| 708121 | Jan 11, 2011 | Jan 11, 2011 | Basa Resources, Inc. | Leone Plantation #7 | 6,300 | 28931921 |
| 707763 | Jan 6, 2011 | Jan 6, 2011 | Valence Operating Company | Russell "A" #6 | 11,000 | 28931920 |
| 707763Amendment | Jan 6, 2011 | Jan 6, 2011 | Valence Operating Company | Russell 'A' #6 | 11,000 | 28931920 |
| 707757 | Jan 6, 2011 | Jan 6, 2011 | Valence Operating Company | Russell "A" #4 | 11,000 | 28931919 |
| 707735 | Jan 6, 2011 | Jan 6, 2011 | Valence Operating Company | Russell 'A' #5 | 11,000 | 28931918 |
| 707493 | Dec 28, 2010 | Dec 28, 2010 | Encana Oil & Gas(usa) Inc. | Gresham Trust Unit A #1 | 20,000 | 28931917 |
| 707493Amendment | Dec 28, 2010 | Dec 28, 2010 | Encana Oil & Gas(usa) Inc. | Gresham Trust Unit A #1 | 20,000 | 28931917 |
| 707014 | Dec 28, 2010 | Dec 28, 2010 | BRG Lone Star Ltd. | Busy B Gas Unit #2 | 10,500 | 28931916 |
| 706771 | Dec 13, 2010 | Dec 13, 2010 | Encana Oil & Gas(usa) Inc. | Senator Ranch "a" Unit #2 | 20,000 | 28931915 |
| 706771Amendment | Dec 13, 2010 | Dec 13, 2010 | Encana Oil & Gas(usa) Inc. | Senator Ranch "a" Unit #2 | 20,000 | 28931915 |
| 706683 | Dec 13, 2010 | Dec 13, 2010 | XTO Energy Inc. | Swanson Gas Unit #1 | 18,500 | 28931914 |
| 706661 | Dec 10, 2010 | Dec 10, 2010 | Allied Operating Texas, LLC | Wallrath #1HH | 8,500 | 28931913 |
| 705774 | Nov 24, 2010 | Nov 24, 2010 | Brooks Petroleum Company | Rennoe-Lipsey #2 | 8,000 | 28930707 |
| 705700 | Nov 23, 2010 | Nov 23, 2010 | Gastar Exploration Texas, LP | Gastar Williams #2 | 8,800 | 28931912 |
| 705653 | Nov 22, 2010 | Nov 22, 2010 | Apache Corporation | Phelps #2 | 16,000 | 28931911 |
| 705653Amendment | Nov 22, 2010 | Nov 22, 2010 | Apache Corporation | Phelps #2 | 17,000 | 28931911 |
| 705653Amendment | Nov 22, 2010 | Nov 22, 2010 | W&T Offshore, Inc. | Phelps #2 | 17,000 | 28931911 |
| 705588 | Nov 19, 2010 | Nov 19, 2010 | Pmo | Carr-Cannon #1HH | 7,550 | 28931910 |
| 703820 | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Varibus #9HH | 19,000 | 28931902 |
| 703820Amendment | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Varibus #9HH | 19,000 | 28931902 |
| 703567 | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Varibus #11HH | 19,000 | 28931901 |
| 703567Amendment | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Varibus #11HH | 19,000 | 28931901 |
| 703543 | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Varibus #10HH | 19,500 | 28931900 |
| 703543Amendment | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Varibus #10HH | 19,500 | 28931900 |
| 704581 | Nov 3, 2010 | Nov 3, 2010 | Gastar Exploration Texas, LP | Gastar Belin #2 | 20,000 | 28931909 |
| 704581Amendment | Nov 3, 2010 | Nov 3, 2010 | Gastar Exploration Texas, LP | Gastar Belin Gas Unit No. 2 #1 | 20,000 | 28931909 |
| 704400 | Nov 1, 2010 | Nov 1, 2010 | XTO Energy Inc. | Gail King #64HH | 17,000 | 28931908 |
| 704397 | Nov 1, 2010 | Nov 1, 2010 | XTO Energy Inc. | Gail King #57HH | 18,500 | 28931907 |
| 704397Amendment | Nov 1, 2010 | Nov 1, 2010 | XTO Energy Inc. | Gail King #57 | 18,500 | 28931907 |
| 704386 | Nov 1, 2010 | Nov 1, 2010 | BRG Lone Star Ltd. | Bedsole Gas Unit #4 | 10,550 | 28931905 |
| 704385 | Nov 1, 2010 | Nov 1, 2010 | BRG Lone Star Ltd. | Furlough Gas Unit #3 | 10,500 | 28931904 |