| 607993 | Oct 18, 2005 | Oct 18, 2005 | Roil Mineral & Land Co. | Wolfe-Guinn-Renfro #9 | 8,000 | 49735915 |
| 607993Amendment | Oct 18, 2005 | Oct 18, 2005 | Roil Mineral & Land Co. | Wolfe-Guinn-Renfro #9 | 8,000 | 49735915 |
| 607851 | Oct 13, 2005 | Oct 13, 2005 | Devon Energy Production Co, L.P. | West B #1 | 5,900 | 49701911 |
| 607506 | Oct 7, 2005 | Oct 7, 2005 | Star of Texas Energy Srvs, Inc. | RSK-Star #5 | 8,000 | 49735914 |
| 607351 | Oct 6, 2005 | Oct 6, 2005 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #31B | 9,000 | 49735912 |
| 607346 | Oct 6, 2005 | Oct 6, 2005 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #29B | 9,000 | 49735913 |
| 607346Amendment | Oct 6, 2005 | Oct 6, 2005 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #29BD | 9,000 | 49735913 |
| 607303 | Oct 4, 2005 | Oct 4, 2005 | Chief Oil & Gas LLC | Burress Unit #2HH | 8,900 | 49735911 |
| 606880 | Sep 30, 2005 | Sep 30, 2005 | Ryder Scott Oil Company | Maeyers #11 | 8,200 | 49735910 |
| 606879 | Sep 30, 2005 | Sep 30, 2005 | Ryder Scott Oil Company | Maeyers #10 | 8,200 | 49735909 |
| 606893 | Sep 26, 2005 | Sep 26, 2005 | Aruba Petroleum, Inc. | Woods #1 | 9,000 | 49735908 |
| 606699 | Sep 21, 2005 | Sep 21, 2005 | Devon Energy Production Co, L.P. | Pearson, Birtie A. GU #2 | 9,000 | 49735907 |
| 606312 | Sep 15, 2005 | Sep 15, 2005 | Encana Oil & Gas(usa) Inc. | Forman #12HH | 9,000 | 49735906 |
| 606304 | Sep 14, 2005 | Sep 14, 2005 | Burlington Resources O & G Co LP | Hurley Unit #3D | 9,000 | 49735905 |
| 606304Amendment | Sep 14, 2005 | Sep 14, 2005 | Burlington Resources O & G Co LP | Hurley Unit #3D | 9,000 | 49735905 |
| 606035 | Sep 8, 2005 | Sep 8, 2005 | Fagadau Energy Corporation | Buchanan #1HH | 8,000 | 49735904 |
| 606008 | Sep 8, 2005 | Sep 8, 2005 | Devon Energy Production Co, L.P. | Miss Pauline #3 | 9,000 | 49734631 |
| 605880 | Sep 6, 2005 | Sep 6, 2005 | Devon Energy Production Co, L.P. | Wcco 4-H.H. Logan #11 HH | 9,000 | 49735903 |
| 605783 | Sep 1, 2005 | Sep 1, 2005 | Aruba Petroleum, Inc. | Frye Family Trust #1701 | 9,000 | 49735901 |
| 605783Amendment | Sep 1, 2005 | Sep 1, 2005 | Aruba Petroleum, Inc. | Frye Family Trust #1701 | 9,000 | 49735901 |
| 605782 | Sep 1, 2005 | Sep 1, 2005 | Aruba Petroleum, Inc. | Frye Family Trust #1801 | 9,000 | 49735902 |
| 605716 | Aug 31, 2005 | Aug 31, 2005 | Devon Energy Production Co, L.P. | Shoop, Glenn P. "F" #8 | 9,000 | 49735900 |
| 605716Amendment | Aug 31, 2005 | Aug 31, 2005 | Devon Energy Production Co, L.P. | Shoop, Glenn P. "F" #8 | 9,000 | 49735900 |
| 605699 | Aug 31, 2005 | Aug 31, 2005 | Devon Energy Production Co, L.P. | Shoop, Glenn P. "F" #9 | 9,000 | 49735899 |
| 605643 | Aug 30, 2005 | Aug 30, 2005 | Aruba Petroleum, Inc. | Jones Unit #1 | 9,000 | 49735898 |
| 605507 | Aug 26, 2005 | Aug 26, 2005 | Richey, Ray Management Co., Inc. | Guthrie "A" #7 | 8,500 | 49735897 |
| 605131 | Aug 19, 2005 | Aug 19, 2005 | Richey, Ray Management Co., Inc. | Guthrie "A" #6 | 8,500 | 49735896 |
| 605136 | Aug 18, 2005 | Aug 18, 2005 | Devon Energy Production Co, L.P. | Shoop, Glenn P. #5 | 9,000 | 49735895 |
| 601232Amendment | Aug 18, 2005 | Aug 18, 2005 | Burlington Resources O & G Co LP | Hurley Unit #1HH | 9,000 | 49735848 |
| 605073 | Aug 17, 2005 | Aug 17, 2005 | Devon Energy Production Co, L.P. | Hill, Loyd "A" #3 | 9,000 | 49735894 |
| 605073Amendment | Aug 17, 2005 | Aug 17, 2005 | Devon Energy Production Co, L.P. | Hill, Lloyd W. -A- #3 | 9,000 | 49735894 |
| 604929 | Aug 15, 2005 | Aug 15, 2005 | Devon Energy Production Co, L.P. | Holland, C. #1 | 4,640 | 49732036 |
| 604925 | Aug 15, 2005 | Aug 15, 2005 | Devon Energy Production Co, L.P. | Currie, Florence #10 | 9,000 | 49735893 |
| 604746 | Aug 10, 2005 | Aug 10, 2005 | Devon Energy Production Co, L.P. | Portwood, G. B. Gas Unit "A" #1H | 9,000 | 49735892 |
| 604738 | Aug 10, 2005 | Aug 10, 2005 | Devon Energy Production Co, L.P. | Albritton, A. P. Gas Unit #1H | 9,000 | 49735891 |
| 604655 | Aug 9, 2005 | Aug 9, 2005 | Aruba Petroleum, Inc. | Bilbrey Unit #1 | 9,000 | 49735890 |
| 604624 | Aug 9, 2005 | Aug 9, 2005 | Devon Energy Production Co, L.P. | G. B. Portwood Unit #3 | 9,000 | 49735889 |
| 604624Amendment | Aug 9, 2005 | Aug 9, 2005 | Devon Energy Production Co, L.P. | G. B. Portwood Unit #3 | 9,000 | 49735889 |
| 604369 | Aug 9, 2005 | Aug 9, 2005 | J-W Operating Co. | Strickland #15 | 5,230 | 49734792 |
| 604433 | Aug 4, 2005 | Aug 4, 2005 | Fagadau Energy Corporation | Roy C. Coffee #1HH | 7,500 | 49735888 |
| 604194 | Jul 29, 2005 | Jul 29, 2005 | Devon Energy Production Co, L.P. | Young, J. W. Gas Unit "A" #1H | 9,000 | 49735887 |
| 561241 | Jul 29, 2005 | Jul 29, 2005 | Richey, Ray Management Co., Inc. | Gettys Unit #8 | 8,500 | 49735831 |
| 604127 | Jul 28, 2005 | Jul 28, 2005 | Devon Energy Production Co, L.P. | Shoop, Glenn P. #4 | 9,000 | 49735886 |
| 604074 | Jul 28, 2005 | Jul 28, 2005 | Devon Energy Production Co, L.P. | Pugh GU #4 | 9,000 | 49735885 |
| 604074Amendment | Jul 28, 2005 | Jul 28, 2005 | Devon Energy Production Co, L.P. | Pugh GU #4 | 9,000 | 49735885 |
| 604029 | Jul 27, 2005 | Jul 27, 2005 | Devon Energy Production Co, L.P. | Shoop, Glenn P. "E" #8 | 9,000 | 49735884 |
| 603811 | Jul 26, 2005 | Jul 26, 2005 | Devon Energy Production Co, L.P. | McMullen, L. P. Gas Unit "A" #1H | 9,000 | 49735881 |
| 603909 | Jul 25, 2005 | Jul 25, 2005 | Excel Oil & Gas, Inc. | Clayton #1 | 6,000 | 49735883 |
| 603794 | Jul 22, 2005 | Jul 22, 2005 | Devon Energy Production Co, L.P. | Young, W. C. "Bill" #8 | 9,000 | 49735882 |
| 603713 | Jul 20, 2005 | Jul 20, 2005 | Devon Energy Production Co, L.P. | E. A. Womack Gas Unit "A" #3 | 6,250 | 49735880 |
| 603663 | Jul 20, 2005 | Jul 20, 2005 | Devon Energy Production Co, L.P. | Sewell Ranch "A" #6H | 9,000 | 49735879 |
| 603652 | Jul 20, 2005 | Jul 20, 2005 | Devon Energy Production Co, L.P. | Ham. J. A. #5H | 9,000 | 49735878 |
| 603515 | Jul 15, 2005 | Jul 15, 2005 | Western Chief Oil & Gas Company | Fortenberry #2HH | 9,000 | 49735877 |
| 603308 | Jul 14, 2005 | Jul 14, 2005 | Encana Oil & Gas(usa) Inc. | Forman #8HH | 9,000 | 49735876 |
| 603308Amendment | Jul 14, 2005 | Jul 14, 2005 | Encana Oil & Gas(usa) Inc. | Forman #8HH | 9,000 | 49735876 |
| 603365 | Jul 13, 2005 | Jul 13, 2005 | Devon Energy Production Co, L.P. | Wages, Annie #3 | 6,350 | 49735875 |
| 602982 | Jul 13, 2005 | Jul 13, 2005 | Devon Energy Production Co, L.P. | Jim Bill Kelley GU #8 | 9,000 | 49735870 |
| 603298 | Jul 12, 2005 | Jul 12, 2005 | Devon Energy Production Co, L.P. | Decatur GU #3H | 9,000 | 49735874 |
| 602984 | Jul 11, 2005 | Jul 11, 2005 | Devon Energy Production Co, L.P. | Jim Bill Kelley GU #6 | 9,000 | 49735871 |
| 602981 | Jul 11, 2005 | Jul 11, 2005 | Devon Energy Production Co, L.P. | Jim Bill Kelley GU #9 | 9,000 | 49735869 |
| 602979 | Jul 11, 2005 | Jul 11, 2005 | Devon Energy Production Co, L.P. | Jim Bill Kelly GU #7 | 9,000 | 49735868 |
| 603136 | Jul 8, 2005 | Jul 8, 2005 | Aspen Operating Company, L.L.C. | Octodog #1 | 6,500 | 49732098 |
| 603067 | Jul 7, 2005 | Jul 7, 2005 | Basic Energy Services, L.P. | Seaman #1 | 5,000 | 49735873 |
| 603067Amendment | Jul 7, 2005 | Jul 7, 2005 | Basic Energy Services, L.P. | Beaman #1 | 5,500 | 49735873 |
| 603030 | Jul 6, 2005 | Jul 6, 2005 | Encana Oil & Gas(usa) Inc. | Caswell "D" #1HH | 9,000 | 49735872 |
| 603030Amendment | Jul 6, 2005 | Jul 6, 2005 | Encana Oil & Gas(usa) Inc. | Caswell "D" #1HH | 9,000 | 49735872 |
| 602920 | Jul 5, 2005 | Jul 5, 2005 | Aspen Operating Company, L.L.C. | Alvord South (Caddo Cong) Unit #901W | 2,330 | 49730181 |
| 602876 | Jul 1, 2005 | Jul 1, 2005 | Adkins, R. L. Corp. | Floyd #1 | 10,000 | 49735867 |
| 602720 | Jun 29, 2005 | Jun 29, 2005 | Van Operating, Ltd. | Patty Jane Holt #2 | 8,000 | 49735866 |
| 602630 | Jun 28, 2005 | Jun 28, 2005 | Lakota Energy, Ltd. | Abel-Early #5 | 7,350 | 49735865 |
| 602274 | Jun 24, 2005 | Jun 24, 2005 | Lakota Energy, Ltd. | Clay Hill Cattle Co. #8 | 8,050 | 49735860 |
| 602362 | Jun 23, 2005 | Jun 23, 2005 | Devon Energy Production Co, L.P. | Lester, T. D. #4 | 6,375 | 49735864 |
| 602352 | Jun 21, 2005 | Jun 21, 2005 | Hopco, Incorporated | Whetsell #1 | 3,999 | 49732061 |
| 602350 | Jun 21, 2005 | Jun 21, 2005 | Western Chief Oil & Gas Company | Fortenberry #1HH | 9,000 | 49735862 |
| 602339 | Jun 21, 2005 | Jun 21, 2005 | Aspen Operating Company, L.L.C. | Davis, T.E. #6 | 5,800 | 49735863 |
| 602339Amendment | Jun 21, 2005 | Jun 21, 2005 | Aspen Operating Company, L.L.C. | Davis, T. E. #6 | 6,250 | 49735863 |
| 602297 | Jun 21, 2005 | Jun 21, 2005 | Devon Energy Production Co, L.P. | Sullivan, Vena #1H | 9,000 | 49735861 |
| 601717 | Jun 20, 2005 | Jun 20, 2005 | Ryder Scott Oil Co. | Peek #5 | 8,200 | 49735852 |
| 602252 | Jun 17, 2005 | Jun 17, 2005 | Star of Texas Energy Srvs, Inc. | Bullard #1HH | 8,000 | 49735859 |
| 601990 | Jun 17, 2005 | Jun 17, 2005 | Roil Mineral & Land Co. | Miller #2 | 6,500 | 49735857 |
| 601990Amendment | Jun 17, 2005 | Jun 17, 2005 | Roil Mineral & Land Co. | Miller #2 | 7,600 | 49735857 |
| 601719 | Jun 17, 2005 | Jun 17, 2005 | Ryder Scott Oil Co. | Maeyers #9 | 8,200 | 49735853 |
| 602175 | Jun 16, 2005 | Jun 16, 2005 | Wise Disposal, Ltd. | Wise Disposal SWD #1 | 2,600 | 49735858 |
| 602175Amendment | Jun 16, 2005 | Jun 16, 2005 | Wise Disposal, Ltd. | Wise Disposal SWD #1 | 2,600 | 49735858 |
| 602131 | Jun 16, 2005 | Jun 16, 2005 | Bridgeport Tank Trucks, Inc. | Butcher, Don R. #1 | 6,000 | 49735856 |
| 556203Amendment | Jun 16, 2005 | Jun 16, 2005 | Fagadau Energy Corporation | Bridges #1 HH | 8,000 | 49735769 |
| 600900 | Jun 15, 2005 | Jun 15, 2005 | Devon Energy Production Co, L.P. | Askey, W. A. "B" #11 | 9,000 | 49735844 |
| 600900Amendment | Jun 15, 2005 | Jun 15, 2005 | Devon Energy Production Co, L.P. | Askey, W. A. "B" #11 | 9,000 | 49735844 |
| 600899 | Jun 14, 2005 | Jun 14, 2005 | Devon Energy Production Co, L.P. | Askey, W. A. "B" #10 | 9,000 | 49735843 |
| 601906 | Jun 10, 2005 | Jun 10, 2005 | Devon Energy Production Co, L.P. | Kindle, W.A. "A" #1H | 9,000 | 49735855 |
| 601872 | Jun 10, 2005 | Jun 10, 2005 | Encana Oil & Gas(usa) Inc. | Forman #7HH | 9,000 | 49735854 |
| 601872Amendment | Jun 10, 2005 | Jun 10, 2005 | Encana Oil & Gas(usa) Inc. | Forman #7HH | 9,000 | 49735854 |
| 561242 | Jun 10, 2005 | Jun 10, 2005 | Richey, Ray Management Co., Inc. | Taylor "F" #6 | 8,500 | 49735830 |
| 601420 | Jun 8, 2005 | Jun 8, 2005 | Devon Energy Production Co, L.P. | Robinson, Opal #3 | 5,580 | 49732743 |
| 601551 | Jun 6, 2005 | Jun 6, 2005 | Burlington Resources O & G Co LP | McKissick Unit #6B | 9,000 | 49735851 |
| 601508 | Jun 6, 2005 | Jun 6, 2005 | Upham Oil & Gas Company | Barksdale Estate #3 | 6,175 | 49734621 |
| 601508Amendment | Jun 6, 2005 | Jun 6, 2005 | Upham Oil & Gas Company | Barksdale Estate #3 | 7,500 | 49734621 |
| 601372 | Jun 1, 2005 | Jun 1, 2005 | Devon Energy Production Co, L.P. | Bridges, J.H. #4 | 6,335 | 49735849 |
| 601372Amendment | Jun 1, 2005 | Jun 1, 2005 | Devon Energy Production Co, L.P. | Bridges, J. H. #4 | 6,335 | 49735849 |
| 601377 | May 31, 2005 | May 31, 2005 | Burlington Resources O & G Co LP | Hurley Unit #2D | 9,000 | 49735850 |