| 660227 | May 5, 2008 | May 5, 2008 | XTO Energy Inc. | N. E. Shorter Gas Unit No. 1 #15 | 14,800 | 29332124 |
| 659978 | Apr 30, 2008 | Apr 30, 2008 | Barrow-Shaver Resources Co. | Samford #1 | 12,000 | 29332122 |
| 659826 | Apr 29, 2008 | Apr 29, 2008 | Stroud Petroleum, Inc. | Vickery #3 | 12,000 | 29332121 |
| 659514 | Apr 28, 2008 | Apr 28, 2008 | Stroud Petroleum, Inc. | Cooper #1 | 14,000 | 29332120 |
| 659250 | Apr 24, 2008 | Apr 24, 2008 | Samson Lone Star, LLC | Masters Gas Unit #1 | 11,463 | 29331912 |
| 659134 | Apr 23, 2008 | Apr 23, 2008 | XTO Energy Inc. | Tumlinson "a" #1 Gas Unit #7 | 14,500 | 29332119 |
| 659098 | Apr 23, 2008 | Apr 23, 2008 | Approach Operating LLC | Txu Mining Company North #3 | 12,600 | 29332118 |
| 659097 | Apr 23, 2008 | Apr 23, 2008 | Approach Operating LLC | Txu Mining Company Unit "B" #2 | 12,600 | 29332117 |
| 659011 | Apr 23, 2008 | Apr 23, 2008 | XTO Energy Inc. | Tumlinson "a" #1 Gas Unit #5 | 14,500 | 29332116 |
| 658692 | Apr 17, 2008 | Apr 17, 2008 | Stroud Petroleum, Inc. | C W Oakes Estate #4 | 12,500 | 29332115 |
| 658708 | Apr 14, 2008 | Apr 14, 2008 | O'Benco, Inc. | Bobby Reed Gas Unit #24 | 13,700 | 29332114 |
| 658446 | Apr 12, 2008 | Apr 12, 2008 | XTO Energy Inc. | Goldbeck Gas Unit #2 | 14,200 | 29332113 |
| 658413 | Apr 11, 2008 | Apr 11, 2008 | O'Benco, Inc. | Doss Gas Unit #23 | 13,700 | 29332112 |
| 651817 | Apr 4, 2008 | Apr 4, 2008 | Sklar Exploration Company LLC | Jackson #2 | 9,500 | 29331357 |
| 657843 | Apr 3, 2008 | Apr 3, 2008 | Samson Lone Star, LLC | Livingston Gas Unit #4 | 12,000 | 29332106 |
| 657836 | Apr 3, 2008 | Apr 3, 2008 | Samson Lone Star, LLC | Tom Reynolds Gas Unit #1 | 12,000 | 29332105 |
| 653434 | Apr 3, 2008 | Apr 3, 2008 | Atmos Energy Corp., Mid-Tex Div. | G.B. M11-16 #16 | 270 | 29332110 |
| 653433 | Apr 3, 2008 | Apr 3, 2008 | Atmos Energy Corp., Mid-Tex Div. | G.B. M11-16 (2ND) #16 | 270 | 29332109 |
| 653431 | Apr 3, 2008 | Apr 3, 2008 | Atmos Energy Corp., Mid-Tex Div. | G.B. M11-17 #17 | 270 | 29332111 |
| 653430 | Apr 3, 2008 | Apr 3, 2008 | Atmos Energy Corp., Mid-Tex Div. | G.B. M11-17 (2ND) #17 | 270 | 29332108 |
| 653428 | Apr 3, 2008 | Apr 3, 2008 | Atmos Energy Corp., Mid-Tex Div. | G.B. M11-18 #18 | 270 | 29332107 |
| 657804 | Apr 2, 2008 | Apr 2, 2008 | O'Benco, Inc. | Rickard Gas Unit #14 | 13,700 | 29332104 |
| 657800 | Apr 2, 2008 | Apr 2, 2008 | O'Benco, Inc. | Rickard Gas Unit #13 | 13,900 | 29332103 |
| 657698 | Apr 2, 2008 | Apr 2, 2008 | XTO Energy Inc. | Beddingfield Gas Unit #4 | 15,300 | 29332102 |
| 657583 | Mar 28, 2008 | Mar 28, 2008 | XTO Energy Inc. | Beddingfield Gas Unit #3 | 15,300 | 29332101 |
| 657509 | Mar 27, 2008 | Mar 27, 2008 | XTO Energy Inc. | S. J. Harlow Gas Unit #17 | 13,400 | 29332100 |
| 657509Amendment | Mar 27, 2008 | Mar 27, 2008 | XTO Energy Inc. | S. J. Harlow Gas Unit #17 | 13,400 | 29332100 |
| 657509Amendment | Mar 27, 2008 | Mar 27, 2008 | XTO Energy Inc. | S. J. Harlow Gas Unit #17 | 13,400 | 29332100 |
| 657506 | Mar 27, 2008 | Mar 27, 2008 | XTO Energy Inc. | Kellogg Creek Gas Unit #3 | 14,500 | 29332099 |
| 656678 | Mar 13, 2008 | Mar 13, 2008 | XTO Energy Inc. | Blains Creek Gas Unit #1 | 14,000 | 29332098 |
| 656589 | Mar 12, 2008 | Mar 12, 2008 | XTO Energy Inc. | G. H. Longenbaugh Gas Unit No. 1 #7 | 13,670 | 29332097 |
| 656189 | Mar 6, 2008 | Mar 6, 2008 | XTO Energy Inc. | Robert Sims Gas Unit #6 | 12,500 | 29332096 |
| 656189Amendment | Mar 6, 2008 | Mar 6, 2008 | XTO Energy Inc. | Robert Sims Gas Unit #6 | 12,500 | 29332096 |
| 656188 | Mar 6, 2008 | Mar 6, 2008 | XTO Energy Inc. | Robert Sims Gas Unit #5 | 12,500 | 29332095 |
| 656183 | Mar 6, 2008 | Mar 6, 2008 | XTO Energy Inc. | G. H. Longenbaugh Gas Unit No. 1 #4 | 13,670 | 29331702 |
| 654040 | Mar 5, 2008 | Mar 5, 2008 | XTO Energy Inc. | Chandler Gas Unit No. 1 #2 | 9,900 | 29331035 |
| 648202Amendment | Mar 4, 2008 | Mar 4, 2008 | XTO Energy Inc. | S. J. Harlow Gas Unit #10 | 13,200 | 29332055 |
| 648202Amendment | Mar 4, 2008 | Mar 4, 2008 | XTO Energy Inc. | S. J. Harlow Gas Unit #10 | 13,200 | 29332055 |
| 655805 | Feb 28, 2008 | Feb 28, 2008 | XTO Energy Inc. | Sand Branch Gas Unit #3 | 14,000 | 29332094 |
| 655805Amendment | Feb 28, 2008 | Feb 28, 2008 | XTO Energy Inc. | Sand Branch Gas Unit #3 | 14,000 | 29332094 |
| 655463 | Feb 25, 2008 | Feb 25, 2008 | O'Benco, Inc. | Bobby Reed Gas Unit #23 | 13,700 | 29332093 |
| 655443 | Feb 25, 2008 | Feb 25, 2008 | XTO Energy Inc. | Gibson #17 | 13,627 | 29331655 |
| 655404 | Feb 25, 2008 | Feb 25, 2008 | XTO Energy Inc. | Triple H Ranch Gas Unit No. 1 #9 | 13,700 | 29331536 |
| 654890 | Feb 15, 2008 | Feb 15, 2008 | O'Benco, Inc. | Bobby Reed Gas Unit #22 | 9,000 | 29332092 |
| 654683 | Feb 14, 2008 | Feb 14, 2008 | Valence Operating Company | Wilson "V" #3 | 10,500 | 29332091 |
| 652718 | Feb 13, 2008 | Feb 13, 2008 | Devon Energy Production Co, L.P. | Mildred Thompson "a" GU #4HH | 12,500 | 29332085 |
| 654035 | Feb 5, 2008 | Feb 5, 2008 | O'Benco, Inc. | Doss Gas Unit #22 | 9,300 | 29332090 |
| 654035Amendment | Feb 5, 2008 | Feb 5, 2008 | O'Benco, Inc. | Doss Gas Unit #22 | 13,900 | 29332090 |
| 653853 | Feb 4, 2008 | Feb 4, 2008 | XTO Energy Inc. | B. W. Thompson Gas Unit No. 1 #3 | 9,517 | 29331285 |
| 653852 | Feb 4, 2008 | Feb 4, 2008 | XTO Energy Inc. | Beachcomber Gas Unit No. 1 #1 | 9,200 | 29330879 |
| 653696 | Jan 31, 2008 | Jan 31, 2008 | XTO Energy Inc. | G. H. Longenbaugh Gas Unit No. 1 #5 | 13,665 | 29331704 |
| 653287 | Jan 25, 2008 | Jan 25, 2008 | XTO Energy Inc. | W. O. Stone Gas Unit No. 1 #21 | 14,500 | 29332089 |
| 653092 | Jan 23, 2008 | Jan 23, 2008 | XTO Energy Inc. | Ashworth Gas Unit #2 | 14,000 | 29332088 |
| 652772 | Jan 22, 2008 | Jan 22, 2008 | St. Mary Land & Exploration Co. | Wilson #14 | 9,000 | 29331425 |
| 652994 | Jan 18, 2008 | Jan 18, 2008 | XTO Energy Inc. | Ashworth Gas Unit #1 | 14,000 | 29332087 |
| 652902 | Jan 17, 2008 | Jan 17, 2008 | O'Benco, Inc. | Alton Sims #20 | 13,700 | 29332086 |
| 652198 | Jan 15, 2008 | Jan 15, 2008 | O'Benco, Inc. | Alton Sims #19 | 9,000 | 29332081 |
| 652516 | Jan 14, 2008 | Jan 14, 2008 | XTO Energy Inc. | Richard H. Gross, et Al #17 | 14,500 | 29332084 |
| 652457 | Jan 14, 2008 | Jan 14, 2008 | O'Benco, Inc. | Bobby Reed Gas Unit #21 | 9,000 | 29332083 |
| 652375 | Jan 10, 2008 | Jan 10, 2008 | O'Benco, Inc. | Doss Gas Unit #21 | 13,700 | 29332082 |
| 652017 | Jan 3, 2008 | Jan 3, 2008 | O'Benco, Inc. | Alton Sims #18 | 9,000 | 29332080 |
| 652016 | Jan 3, 2008 | Jan 3, 2008 | O'Benco, Inc. | Alton Sims #17 | 13,700 | 29332079 |
| 651991 | Jan 3, 2008 | Jan 3, 2008 | XTO Energy Inc. | Heaton No. 1 Gas Unit #25 | 13,300 | 29332078 |
| 651615 | Dec 21, 2007 | Dec 21, 2007 | Samson Lone Star, LLC | Scharff Gas Unit #2 | 13,000 | 29332077 |
| 651516 | Dec 20, 2007 | Dec 20, 2007 | O'Benco, Inc. | Doss Gas Unit #20 | 9,000 | 29332076 |
| 651400 | Dec 19, 2007 | Dec 19, 2007 | XTO Energy Inc. | Heaton No. 1 Gas Unit #11 | 13,200 | 29332075 |
| 650297 | Dec 19, 2007 | Dec 19, 2007 | Three Forks Operating Co, LLC | Miller Grass Farms #1 | 2,850 | 29330819 |
| 651282 | Dec 17, 2007 | Dec 17, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #20 | 14,500 | 29332074 |
| 651276 | Dec 17, 2007 | Dec 17, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #19 | 14,500 | 29332073 |
| 651276Amendment | Dec 17, 2007 | Dec 17, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #19 | 14,500 | 29332073 |
| 651250 | Dec 17, 2007 | Dec 17, 2007 | Approach Operating LLC | Txu Mining Company Unit "B" #1 | 12,600 | 29332072 |
| 651196 | Dec 17, 2007 | Dec 17, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #18 | 14,500 | 29332071 |
| 651196Amendment | Dec 17, 2007 | Dec 17, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #18 | 14,500 | 29332071 |
| 651026 | Dec 15, 2007 | Dec 15, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #17 | 14,500 | 29332070 |
| 651026Amendment | Dec 15, 2007 | Dec 15, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #17 | 14,500 | 29332070 |
| 651022 | Dec 15, 2007 | Dec 15, 2007 | XTO Energy Inc. | Perlitz Gas Unit No. 1 #14 | 14,500 | 29332069 |
| 651010 | Dec 15, 2007 | Dec 15, 2007 | XTO Energy Inc. | W. O. Stone Gas Unit No. 1 #12 | 14,500 | 29332068 |
| 650608 | Dec 10, 2007 | Dec 10, 2007 | St. Mary Land & Exploration Co. | Wilson #6 | 9,420 | 29331228 |
| 650965 | Dec 7, 2007 | Dec 7, 2007 | XTO Energy Inc. | Morton No. 1 Gas Unit #17R | 13,300 | 29332067 |
| 650007 | Dec 3, 2007 | Dec 3, 2007 | O'Benco, Inc. | Rickard Gas Unit #12 | 13,200 | 29332066 |
| 649927 | Nov 29, 2007 | Nov 29, 2007 | XTO Energy Inc. | W. O. Stone Gas Unit No. 1 #15 | 14,200 | 29332065 |
| 649626 | Nov 20, 2007 | Nov 20, 2007 | XTO Energy Inc. | Fern V. Robinson Gas Unit #3 | 15,200 | 29332064 |
| 649626Amendment | Nov 20, 2007 | Nov 20, 2007 | XTO Energy Inc. | Fern V. Robinson Gas Unit #3 | 15,200 | 29332064 |
| 649087 | Nov 12, 2007 | Nov 12, 2007 | O'Benco, Inc. | Sims, Alton #16 | 13,200 | 29332063 |
| 648920 | Nov 9, 2007 | Nov 9, 2007 | Approach Operating LLC | Txu Mining Company Unit "A" #1 | 12,600 | 29332061 |
| 648677 | Nov 6, 2007 | Nov 6, 2007 | XTO Energy Inc. | H. D. Thomas, et al Gas Unit #10 | 13,400 | 29332059 |
| 648617 | Nov 5, 2007 | Nov 5, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #20 | 15,000 | 29332058 |
| 648583 | Nov 5, 2007 | Nov 5, 2007 | XTO Energy Inc. | Reed Gas Unit II #9 | 14,500 | 29332057 |
| 648539 | Nov 1, 2007 | Nov 1, 2007 | XTO Energy Inc. | S.J. Harlow Gas Unit #13 | 13,200 | 29332056 |
| 645992 | Oct 31, 2007 | Oct 31, 2007 | Marathon Oil Company | Archer Battle #6 | 11,725 | 29331359 |
| 648202 | Oct 26, 2007 | Oct 26, 2007 | XTO Energy Inc. | S. J. Harlow Gas Unit #10 | 13,200 | 29332055 |
| 646150 | Oct 23, 2007 | Oct 23, 2007 | XTO Energy Inc. | Carl Sadler Gas Unit No. 1 #5 | 14,200 | 29332054 |
| 645779 | Oct 23, 2007 | Oct 23, 2007 | XTO Energy Inc. | Standley Gas Unit NO.2 #13 | 14,500 | 29332053 |
| 646243 | Oct 22, 2007 | Oct 22, 2007 | Sklar Exploration Company LLC | Louise Gas Unit NO.1 #2 | 6,500 | 29332030 |
| 647894 | Oct 19, 2007 | Oct 19, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #19 | 13,200 | 29332052 |
| 647775 | Oct 18, 2007 | Oct 18, 2007 | XTO Energy Inc. | B. W. Thompson Gas Unit No. 1 #10 | 13,300 | 29331543 |
| 645495 | Oct 17, 2007 | Oct 17, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #7 | 15,000 | 29332050 |
| 647644 | Oct 16, 2007 | Oct 16, 2007 | Cor-Tex Oil Field Services, LLC | Thornton SWD #1 | 4,000 | 29332051 |
| 647644Amendment | Oct 16, 2007 | Oct 16, 2007 | Cor-Tex Oil Field Services, LLC | Thornton SWD #1 | 4,000 | 29332051 |
| 647201 | Oct 11, 2007 | Oct 11, 2007 | Valence Operating Company | Tweener #4 | 15,000 | 29332044 |