| 637932 | May 24, 2007 | May 24, 2007 | XTO Energy Inc. | Reed "R" No. 1 Unit #12 | 13,600 | 29331701 |
| 639308 | May 23, 2007 | May 23, 2007 | Stroud Petroleum, Inc. | Vickery A #1 | 14,000 | 29331958 |
| 639301 | May 23, 2007 | May 23, 2007 | XTO Energy Inc. | Pat Oakes Gas Unit II #2 | 15,500 | 29331957 |
| 639184 | May 22, 2007 | May 22, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #23 | 14,000 | 29331956 |
| 639184Amendment | May 22, 2007 | May 22, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #23 | 14,000 | 29331956 |
| 639182 | May 22, 2007 | May 22, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #22 | 14,000 | 29331955 |
| 639182Amendment | May 22, 2007 | May 22, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #22 | 14,000 | 29331955 |
| 639082 | May 21, 2007 | May 21, 2007 | Samson Lone Star LP | Scharff Gas Unit #1 | 11,500 | 29331954 |
| 639018 | May 19, 2007 | May 19, 2007 | St. Mary Land & Exploration Co. | Keris #12 | 8,000 | 29331953 |
| 638961 | May 19, 2007 | May 19, 2007 | Samson Lone Star LP | Livingston Gas Unit #2 | 12,000 | 29331951 |
| 637112 | May 17, 2007 | May 17, 2007 | XTO Energy Inc. | J. A. Gilliam Unit #8 | 13,200 | 29331950 |
| 636629 | May 16, 2007 | May 16, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #16 | 15,000 | 29331946 |
| 638228 | May 10, 2007 | May 10, 2007 | Stroud Petroleum, Inc. | Sadler #1 | 13,000 | 29331949 |
| 635544 | May 8, 2007 | May 8, 2007 | XTO Energy Inc. | Hudson "A" #8 | 13,200 | 29331943 |
| 635457 | May 8, 2007 | May 8, 2007 | XTO Energy Inc. | Hudson "A" #7 | 13,200 | 29331941 |
| 636718 | May 7, 2007 | May 7, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #32 | 15,000 | 29331948 |
| 636627 | May 7, 2007 | May 7, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #18 | 15,200 | 29331947 |
| 637084 | Apr 24, 2007 | Apr 24, 2007 | XTO Energy Inc. | B. W. Thompson Gas Unit No. 1 #11 | 14,500 | 29331945 |
| 635570 | Apr 16, 2007 | Apr 16, 2007 | XTO Energy Inc. | Hudson "A" #9 | 13,200 | 29331944 |
| 635459 | Apr 16, 2007 | Apr 16, 2007 | XTO Energy Inc. | Morton No. 1 Gas Unit #18 | 13,300 | 29331940 |
| 635455 | Apr 16, 2007 | Apr 16, 2007 | XTO Energy Inc. | Hudson "A" #4R | 13,200 | 29331942 |
| 635455Amendment | Apr 16, 2007 | Apr 16, 2007 | XTO Energy Inc. | Hudson "A" #4R | 13,200 | 29331942 |
| 635452 | Apr 16, 2007 | Apr 16, 2007 | XTO Energy Inc. | Morton No. 1 Gas Unit #17 | 13,300 | 29331939 |
| 635071 | Apr 11, 2007 | Apr 11, 2007 | XTO Energy Inc. | Morton No. 1 Gas Unit #16 | 13,300 | 29331938 |
| 634535 | Apr 6, 2007 | Apr 6, 2007 | O'Benco, Inc. | Rickard Gas Unit #7 | 12,500 | 29331924 |
| 634535Amendment | Apr 6, 2007 | Apr 6, 2007 | O'Benco, Inc. | Rickard Gas Unit #7 | 14,000 | 29331924 |
| 635072 | Apr 5, 2007 | Apr 5, 2007 | XTO Energy Inc. | Morton No. 1 Gas Unit #15 | 13,325 | 29331937 |
| 634626 | Apr 5, 2007 | Apr 5, 2007 | XTO Energy Inc. | Thomas, H.D. et al Gas Unit #8 | 13,400 | 29331934 |
| 634625 | Apr 4, 2007 | Apr 4, 2007 | XTO Energy Inc. | Hudson "A" #6 | 13,400 | 29331933 |
| 636061 | Apr 3, 2007 | Apr 3, 2007 | O'Benco, Inc. | Doss Gas Unit #15 | 12,500 | 29331936 |
| 636060 | Apr 3, 2007 | Apr 3, 2007 | O'Benco, Inc. | Doss Gas Unit #14 | 12,500 | 29331935 |
| 634549 | Apr 2, 2007 | Apr 2, 2007 | XTO Energy Inc. | Reed "P" Gas Unit No. 1 #13 | 13,600 | 29331932 |
| 634294 | Apr 2, 2007 | Apr 2, 2007 | XTO Energy Inc. | Gilliam "B" No. 1 Gas Unit #12 | 13,400 | 29331931 |
| 634208 | Mar 30, 2007 | Mar 30, 2007 | XTO Energy Inc. | Gilliam "B" No. 1 Gas Unit #13 | 13,200 | 29331930 |
| 634206 | Mar 30, 2007 | Mar 30, 2007 | XTO Energy Inc. | Gilliam 'B" No. 1 Gas Unit #11 | 13,200 | 29331929 |
| 635453 | Mar 26, 2007 | Mar 26, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #14 | 12,500 | 29331927 |
| 635453Amendment | Mar 26, 2007 | Mar 26, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #14 | 12,900 | 29331927 |
| 634457 | Mar 22, 2007 | Mar 22, 2007 | XTO Energy Inc. | Reed "P" Gas Unit No. 1 #12 | 13,600 | 29331928 |
| 633881 | Mar 21, 2007 | Mar 21, 2007 | XTO Energy Inc. | Reed "R" No. 1 Unit #8 | 13,500 | 29331673 |
| 634449 | Mar 16, 2007 | Mar 16, 2007 | Forum Exploration Co., L.P. | Cox, Mary D. #1 | 11,500 | 29331926 |
| 634602 | Mar 14, 2007 | Mar 14, 2007 | Devon Energy Production Co, L.P. | Stone, R. E. #7HH | 12,000 | 29331925 |
| 632274 | Mar 9, 2007 | Mar 9, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #4 | 8,900 | 29331296 |
| 633450 | Mar 8, 2007 | Mar 8, 2007 | Clay Exploration, Inc. | Jenkins, John #1 | 3,950 | 29331923 |
| 632831 | Mar 1, 2007 | Mar 1, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #15 | 14,800 | 29331921 |
| 629491 | Mar 1, 2007 | Mar 1, 2007 | O'Benco, Inc. | Rickard Gas Unit #6 | 12,500 | 29331897 |
| 629491Amendment | Mar 1, 2007 | Mar 1, 2007 | O'Benco, Inc. | Rickard Gas Unit #6 | 13,200 | 29331897 |
| 629491Amendment | Mar 1, 2007 | Mar 1, 2007 | O'Benco, Inc. | Rickard Gas Unit #6 | 13,200 | 29331897 |
| 632754 | Feb 26, 2007 | Feb 26, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #11 | 15,500 | 29331920 |
| 633388 | Feb 23, 2007 | Feb 23, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #13 | 12,500 | 29331922 |
| 633388Amendment | Feb 23, 2007 | Feb 23, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #13 | 12,900 | 29331922 |
| 632755 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Beachcomber Gas Unit No. 2 #11 | 14,000 | 29331919 |
| 632752 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Beachcomber Gas Unit No. 2 #9 | 14,000 | 29331918 |
| 632713 | Feb 14, 2007 | Feb 14, 2007 | XTO Energy Inc. | Beachcomber Gas Unit NO.2 #10 | 14,000 | 29331917 |
| 632725 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #14 | 14,000 | 29331916 |
| 632607 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #12 | 15,500 | 29331915 |
| 632541 | Feb 12, 2007 | Feb 12, 2007 | XTO Energy Inc. | Chandler Gas Unit No. 1 #9 | 15,000 | 29331533 |
| 632241 | Feb 10, 2007 | Feb 10, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #12 | 12,500 | 29331913 |
| 632241Amendment | Feb 10, 2007 | Feb 10, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #12 | 12,800 | 29331913 |
| 631777 | Feb 5, 2007 | Feb 5, 2007 | XTO Energy Inc. | Pratt Gas Unit #1 #1 | 9,000 | 29330829 |
| 631693 | Feb 1, 2007 | Feb 1, 2007 | O'Benco, Inc. | Alton Sims #9 | 12,500 | 29331911 |
| 631688 | Feb 1, 2007 | Feb 1, 2007 | O'Benco, Inc. | Doss Gas Unit #13 | 12,500 | 29331910 |
| 632677 | Jan 31, 2007 | Jan 31, 2007 | Samson Lone Star LP | Masters Gas Unit #1 | 12,000 | 29331912 |
| 631309 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | N. E. Shorter Gas Unit No. 1 #4 | 13,800 | 29331909 |
| 631304 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | W. O. Stone Gas Unit No. 1 #11 | 13,500 | 29331908 |
| 631304Amendment | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | W. O. Stone Gas Unit No. 1 #11 | 13,500 | 29331908 |
| 631232 | Jan 26, 2007 | Jan 26, 2007 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #21 | 15,300 | 29331907 |
| 632138 | Jan 23, 2007 | Jan 23, 2007 | XTO Energy Inc. | Gross, Richard H. et Al #18 | 13,800 | 29331906 |
| 631168 | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #19 | 13,000 | 29331905 |
| 631168Amendment | Jan 22, 2007 | Jan 22, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #19 | 13,000 | 29331905 |
| 630988 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Lyons Gas Unit NO 1 #18 | 13,000 | 29331904 |
| 630988Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Lyons Gas Unit NO 1 #18 | 14,200 | 29331904 |
| 630944 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #13 | 14,000 | 29331903 |
| 630944Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #13 | 14,000 | 29331903 |
| 630944Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #13 | 14,000 | 29331903 |
| 630941 | Jan 17, 2007 | Jan 17, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #14 | 14,000 | 29331902 |
| 630941Amendment | Jan 17, 2007 | Jan 17, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #14 | 14,000 | 29331902 |
| 630941Amendment | Jan 17, 2007 | Jan 17, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #14 | 14,000 | 29331902 |
| 631482 | Jan 9, 2007 | Jan 9, 2007 | Stroud Petroleum, Inc. | J. C. McClaran #3 | 13,000 | 29331901 |
| 630205 | Dec 21, 2006 | Dec 21, 2006 | Samson Lone Star LP | Carlton Gas Unit #5 | 12,000 | 29331900 |
| 629585 | Dec 15, 2006 | Dec 15, 2006 | XTO Energy Inc. | Carl Sadler Gas Unit No. 1 #2 | 14,000 | 29331547 |
| 629574 | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | W. O. Stone Gas Unit No. 1 #10 | 13,500 | 29331899 |
| 629574Amendment | Dec 14, 2006 | Dec 14, 2006 | XTO Energy Inc. | W. O. Stone Gas Unit No. 1 #10 | 13,500 | 29331899 |
| 629492 | Dec 8, 2006 | Dec 8, 2006 | O'Benco, Inc. | Doss GU #12 | 12,500 | 29331898 |
| 629492Amendment | Dec 8, 2006 | Dec 8, 2006 | O'Benco, Inc. | Doss GU #12 | 13,200 | 29331898 |
| 629490 | Dec 8, 2006 | Dec 8, 2006 | O'Benco, Inc. | Rickard Gas Unit #5 | 12,500 | 29331896 |
| 628811 | Nov 29, 2006 | Nov 29, 2006 | XTO Energy Inc. | McKenzie "B" Gas Unit #1 | 14,000 | 29331564 |
| 628814 | Nov 28, 2006 | Nov 28, 2006 | XTO Energy Inc. | Hudson "A" #5 | 13,200 | 29331629 |
| 628711 | Nov 27, 2006 | Nov 27, 2006 | XTO Energy Inc. | Parker, G. B. & Sons #4 | 11,800 | 29331895 |
| 628668 | Nov 20, 2006 | Nov 20, 2006 | XTO Energy Inc. | Triple H Ranch Gas Unit No. 1 #8 | 14,500 | 29331448 |
| 628320 | Nov 10, 2006 | Nov 10, 2006 | XTO Energy Inc. | Gibson #10 | 14,000 | 29331894 |
| 628317 | Nov 10, 2006 | Nov 10, 2006 | XTO Energy Inc. | Gibson #13 | 14,000 | 29331893 |
| 628303 | Nov 10, 2006 | Nov 10, 2006 | XTO Energy Inc. | Gibson #18 | 14,000 | 29331892 |
| 628223 | Nov 6, 2006 | Nov 6, 2006 | XTO Energy Inc. | N. E. Shorter Gas Unit No. 1 #8 | 13,800 | 29331891 |
| 628093 | Oct 31, 2006 | Oct 31, 2006 | XTO Energy Inc. | N. E. Shorter Gas Unit No. 1 #3 | 13,800 | 29331889 |
| 627894 | Oct 30, 2006 | Oct 30, 2006 | XTO Energy Inc. | Chandler Gas Unit NO.1 #12 | 13,800 | 29331887 |
| 627894Amendment | Oct 30, 2006 | Oct 30, 2006 | XTO Energy Inc. | Chandler Gas Unit NO.1 #12 | 13,800 | 29331887 |
| 627836 | Oct 27, 2006 | Oct 27, 2006 | XTO Energy Inc. | Jeff Thomas Gas Unit No. 1 #9 | 15,200 | 29331888 |
| 627782 | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Jeff Thomas Gas Unit NO.1 #8 | 15,000 | 29331884 |
| 627781 | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | Braselton Gas Unit #2 | 14,000 | 29331885 |
| 627745 | Oct 26, 2006 | Oct 26, 2006 | XTO Energy Inc. | F. D. Connell Gas Unit No. 1 #5 | 12,400 | 29331883 |