| 698544 | Jul 8, 2010 | Jul 8, 2010 | Devon Energy Production Co, L.P. | Wcco 5 - W.W. Brown #1HH | 9,000 | 49737113 |
| 698544Amendment | Jul 8, 2010 | Jul 8, 2010 | Devon Energy Production Co, L.P. | Wcco 5 - W.W. Brown #1HH | 9,000 | 49737113 |
| 698540 | Jul 8, 2010 | Jul 8, 2010 | Devon Energy Production Co, L.P. | Karnes, J.D. #1HH | 9,000 | 49737112 |
| 698327 | Jul 7, 2010 | Jul 7, 2010 | Aruba Petroleum, Inc. | Mara Unit #4HH | 9,000 | 49737107 |
| 698327Amendment | Jul 7, 2010 | Jul 7, 2010 | Aruba Petroleum, Inc. | Mara Unit #4HH | 9,000 | 49737107 |
| 698321 | Jul 6, 2010 | Jul 6, 2010 | Aruba Petroleum, Inc. | Mara Unit #3HH | 9,000 | 49737111 |
| 698321Amendment | Jul 6, 2010 | Jul 6, 2010 | Aruba Petroleum, Inc. | Mara Unit #3HH | 9,000 | 49737111 |
| 698444 | Jul 5, 2010 | Jul 5, 2010 | Aruba Petroleum, Inc. | Busey-Gast Unit #2HH | 9,000 | 49737110 |
| 698384 | Jul 5, 2010 | Jul 5, 2010 | Devon Energy Production Co, L.P. | J. B. Brown GU #3HH | 9,000 | 49737108 |
| 698384Amendment | Jul 5, 2010 | Jul 5, 2010 | Devon Energy Production Co, L.P. | J. B. Brown GU #3HH | 9,000 | 49737108 |
| 698383 | Jul 5, 2010 | Jul 5, 2010 | Devon Energy Production Co, L.P. | J. B. Brown GU #2HH | 9,000 | 49737109 |
| 698383Amendment | Jul 5, 2010 | Jul 5, 2010 | Devon Energy Production Co, L.P. | J. B. Brown GU #2HH | 9,000 | 49737109 |
| 698331 | Jul 2, 2010 | Jul 2, 2010 | Regal Energy Operating, L.L.C. | Regal-Boonesville #2HH | 9,000 | 49737104 |
| 698331Amendment | Jul 2, 2010 | Jul 2, 2010 | Regal Energy Operating, L.L.C. | Regal Boonesville #2HH | 9,000 | 49737104 |
| 698332 | Jun 30, 2010 | Jun 30, 2010 | Regal Energy Operating, L.L.C. | Regal-Boonesville #3HH | 9,000 | 49737103 |
| 698332Amendment | Jun 30, 2010 | Jun 30, 2010 | Regal Energy Operating, L.L.C. | Regal Boonesville #3HH | 9,000 | 49737103 |
| 698332Amendment | Jun 30, 2010 | Jun 30, 2010 | Regal Energy Operating, L.L.C. | Regal Boonesville #3HH | 9,499 | 49737103 |
| 698249 | Jun 29, 2010 | Jun 29, 2010 | Devon Energy Production Co, L.P. | Norman "C"-Maeyers "B" (SA) #1HH | 9,000 | 49737102 |
| 698024 | Jun 29, 2010 | Jun 29, 2010 | Devon Energy Production Co, L.P. | Smith, J. P. #1HH | 9,000 | 49737101 |
| 697921 | Jun 28, 2010 | Jun 28, 2010 | Braden Exploration, LLC | Cox Gas Unit #1HH | 9,000 | 49737097 |
| 698049 | Jun 25, 2010 | Jun 25, 2010 | Braden Exploration, LLC | Looney B Unit #1HH | 9,000 | 49737100 |
| 698049Amendment | Jun 25, 2010 | Jun 25, 2010 | Braden Exploration, LLC | Looney B Unit #1HH | 9,000 | 49737100 |
| 698047 | Jun 25, 2010 | Jun 25, 2010 | Braden Exploration, LLC | Looney a Unit #1HH | 9,000 | 49737099 |
| 698047Amendment | Jun 25, 2010 | Jun 25, 2010 | Braden Exploration, LLC | Looney a Unit #1HH | 9,000 | 49737099 |
| 697822 | Jun 24, 2010 | Jun 24, 2010 | Devon Energy Production Co, L.P. | Wcco 4-Ada Morris #27HH | 9,000 | 49737096 |
| 697872 | Jun 23, 2010 | Jun 23, 2010 | Aruba Petroleum, Inc. | Busey-Gast Unit #1HH | 9,000 | 49737098 |
| 697872Amendment | Jun 23, 2010 | Jun 23, 2010 | Aruba Petroleum, Inc. | Busey-Gast Unit #1HH | 9,000 | 49737098 |
| 697834 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | J. E. Giles #11HH | 9,000 | 49737095 |
| 697832 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | J. E. Giles #10HH | 9,000 | 49737094 |
| 697831 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | J. E. Giles #9HH | 9,000 | 49737093 |
| 697830 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | J. E. Giles #8HH | 9,000 | 49737092 |
| 697828 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | J. E. Giles #7HH | 9,000 | 49737091 |
| 697826 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | J. E. Giles #6HH | 9,000 | 49737090 |
| 697805 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | Maeyers-Maeyersjanuary (SA) "A" #1HH | 9,000 | 49737089 |
| 697765 | Jun 22, 2010 | Jun 22, 2010 | Devon Energy Production Co, L.P. | Karnes, J.D. (Deep) GU #1HH | 9,000 | 49737084 |
| 697801 | Jun 21, 2010 | Jun 21, 2010 | Devon Energy Production Co, L.P. | Maeyers-Maeyersjanuary (SA) #1HH | 9,000 | 49737085 |
| 697801Amendment | Jun 21, 2010 | Jun 21, 2010 | Devon Energy Production Co, L.P. | Maeyers-Maeyersjanuary (SA) #1HH | 9,000 | 49737085 |
| 697797 | Jun 21, 2010 | Jun 21, 2010 | Devon Energy Production Co, L.P. | Maeyersjanuary - Maeyers (SA) #4HH | 9,000 | 49737088 |
| 697792 | Jun 21, 2010 | Jun 21, 2010 | Devon Energy Production Co, L.P. | Maeyersjanuary - Maeyers (SA) #3HH | 9,000 | 49737087 |
| 697792Amendment | Jun 21, 2010 | Jun 21, 2010 | Devon Energy Production Co, L.P. | Maeyersjanuary - Maeyers (SA) #3HH | 9,000 | 49737087 |
| 697771 | Jun 21, 2010 | Jun 21, 2010 | Devon Energy Production Co, L.P. | Maeyersjanuary - Maeyers (SA) #2HH | 9,000 | 49737086 |
| 697643 | Jun 18, 2010 | Jun 18, 2010 | Devon Energy Production Co, L.P. | E. Smith-J. Molloy (SA) #1HH | 9,000 | 49737083 |
| 697130 | Jun 11, 2010 | Jun 11, 2010 | Burlington Resources O & G Co LP | Decatur Ranch B Unit #2HH | 9,000 | 49737081 |
| 697130Amendment | Jun 11, 2010 | Jun 11, 2010 | Burlington Resources O & G Co LP | Decatur Ranch B Unit #2HH | 9,000 | 49737081 |
| 697130Amendment | Jun 11, 2010 | Jun 11, 2010 | Burlington Resources O & G Co LP | Decatur Ranch B Unit #2HH | 9,000 | 49737081 |
| 697093 | Jun 11, 2010 | Jun 11, 2010 | Burlington Resources O & G Co LP | Sitz Unit #3HH | 9,000 | 49737080 |
| 697093Amendment | Jun 11, 2010 | Jun 11, 2010 | Burlington Resources O & G Co LP | Sitz Unit #3HH | 9,000 | 49737080 |
| 696907 | Jun 8, 2010 | Jun 8, 2010 | Devon Energy Production Co, L.P. | Witt J.R.-Pruett (SA) #1HH | 9,000 | 49737079 |
| 696879 | Jun 8, 2010 | Jun 8, 2010 | Devon Energy Production Co, L.P. | Sewell-Sewell "a" (SA) A #1HH | 9,000 | 49737077 |
| 696895 | Jun 7, 2010 | Jun 7, 2010 | Burlington Resources O & G Co LP | Decatur Ranch a Unit #1HH | 9,000 | 49737078 |
| 696895Amendment | Jun 7, 2010 | Jun 7, 2010 | Burlington Resources O & G Co LP | Decatur Ranch a Unit #1HH | 9,000 | 49737078 |
| 696895Amendment | Jun 7, 2010 | Jun 7, 2010 | Burlington Resources O & G Co LP | Decatur Ranch a Unit #1HH | 9,000 | 49737078 |
| 696644 | Jun 2, 2010 | Jun 2, 2010 | Devon Energy Production Co, L.P. | Kiker-Womack, et al (SA) #1HH | 9,000 | 49737075 |
| 696633 | Jun 2, 2010 | Jun 2, 2010 | Devon Energy Production Co, L.P. | Kiker-Perkins, et al (SA) #2HH | 9,000 | 49737076 |
| 696492 | May 28, 2010 | May 28, 2010 | Devon Energy Production Co, L.P. | Peterson-Maeyers "B" (SA) #1HH | 9,000 | 49737073 |
| 696581 | May 27, 2010 | May 27, 2010 | Aruba Petroleum, Inc. | Mara Unit #2HH | 9,000 | 49737074 |
| 696483 | May 27, 2010 | May 27, 2010 | Devon Energy Production Co, L.P. | Kiker-Perkins, et al (SA) #1HH | 9,000 | 49737072 |
| 696552 | May 26, 2010 | May 26, 2010 | Aruba Petroleum, Inc. | Mara Unit #1HH | 9,000 | 49737071 |
| 696426 | May 26, 2010 | May 26, 2010 | Devon Energy Production Co, L.P. | Dearman, Kate #1HH | 9,000 | 49737070 |
| 696407 | May 24, 2010 | May 24, 2010 | Devon Energy Production Co, L.P. | Wcco 4-Miller "F" #6HH | 9,000 | 49737069 |
| 696374 | May 24, 2010 | May 24, 2010 | Devon Energy Production Co, L.P. | Wcco 4-Miller "G" #6HH | 9,000 | 49737068 |
| 696374Amendment | May 24, 2010 | May 24, 2010 | Devon Energy Production Co, L.P. | Wcco 4-Miller "G" #6HH | 9,000 | 49737068 |
| 696374Amendment | May 24, 2010 | May 24, 2010 | Devon Energy Production Co, L.P. | Wcco 4-Miller "G" #6HH | 9,000 | 49737068 |
| 696066 | May 19, 2010 | May 19, 2010 | Talon Oil & Gas LLC | Goode #2H | 7,100 | 49737067 |
| 696065 | May 19, 2010 | May 19, 2010 | Talon Oil & Gas LLC | Goode #1H | 7,100 | 49737066 |
| 695979 | May 17, 2010 | May 17, 2010 | Tema Oil and Gas Company | Hampton Gas Unit #4HH | 11,000 | 49737065 |
| 695725 | May 14, 2010 | May 14, 2010 | Devon Energy Production Co, L.P. | Txi Gas Unit #9HH | 9,000 | 49737063 |
| 695719 | May 14, 2010 | May 14, 2010 | Devon Energy Production Co, L.P. | Txi Gas Unit #8HH | 9,000 | 49737062 |
| 695848 | May 13, 2010 | May 13, 2010 | Devon Energy Production Co, L.P. | Gage B2-Gage B1 (SA) #1HH | 9,000 | 49737064 |
| 695645 | May 13, 2010 | May 13, 2010 | Devon Energy Production Co, L.P. | J. C. Roper GU #1HH | 9,000 | 49737060 |
| 695547 | May 13, 2010 | May 13, 2010 | Devon Energy Production Co, L.P. | Alma Jean Taylor #3HH | 9,000 | 49737056 |
| 695547Amendment | May 13, 2010 | May 13, 2010 | Devon Energy Production Co, L.P. | Alma Jean Taylor #3HH | 9,000 | 49737056 |
| 695543 | May 13, 2010 | May 13, 2010 | Devon Energy Production Co, L.P. | Alma Jean Taylor #2HH | 9,000 | 49737055 |
| 695543Amendment | May 13, 2010 | May 13, 2010 | Devon Energy Production Co, L.P. | Alma Jean Taylor #2HH | 9,000 | 49737055 |
| 695777 | May 12, 2010 | May 12, 2010 | Lakota Energy, Ltd. | Holmes 'A' #2HH | 7,100 | 49737061 |
| 695548 | May 11, 2010 | May 11, 2010 | Devon Energy Production Co, L.P. | Alma Jean Taylor #4HH | 9,000 | 49737058 |
| 695548Amendment | May 11, 2010 | May 11, 2010 | Devon Energy Production Co, L.P. | Alma Jean Taylor #4HH | 9,000 | 49737058 |
| 695524 | May 11, 2010 | May 11, 2010 | Devon Energy Production Co, L.P. | Schluter-J. Logan (SA) #2HH | 9,000 | 49737059 |
| 695524Amendment | May 11, 2010 | May 11, 2010 | Devon Energy Production Co, L.P. | Logan, J.-Schluter (SA) #3HH | 9,000 | 49737059 |
| 695523 | May 11, 2010 | May 11, 2010 | Devon Energy Production Co, L.P. | Schluter-J. Logan (SA) #1HH | 9,000 | 49737057 |
| 695523Amendment | May 11, 2010 | May 11, 2010 | Devon Energy Production Co, L.P. | Logan, J.-Schluter (SA) #2HH | 9,000 | 49737057 |
| 695643 | May 10, 2010 | May 10, 2010 | Tema Oil and Gas Company | Hampton Gas Unit #5HH | 11,000 | 49737053 |
| 695511 | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Schluter, H. #2HH | 9,000 | 49737054 |
| 695511Amendment | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Logan, J.-Schluter (SA) #1HH | 9,000 | 49737054 |
| 695500 | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Crystelle Waggoner #44HH | 9,000 | 49737051 |
| 695494 | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Robertson, Renno K. GU #10HH | 9,000 | 49737050 |
| 695489 | May 10, 2010 | May 10, 2010 | Devon Energy Production Co, L.P. | Robertson, Renno K. GU #11HH | 9,000 | 49737052 |
| 695018 | Apr 27, 2010 | Apr 27, 2010 | Tema Oil and Gas Company | Dobbins #11HH | 10,700 | 49737048 |
| 695017 | Apr 27, 2010 | Apr 27, 2010 | Tema Oil and Gas Company | Dobbins #10HH | 11,200 | 49737049 |
| 693405 | Apr 27, 2010 | Apr 27, 2010 | Devon Energy Production Co, L.P. | Kindle, W.A. "A" #1 | 5,900 | 49735855 |
| 694878 | Apr 23, 2010 | Apr 23, 2010 | Braden Exploration, LLC | Speicher a Unit #1HH | 9,000 | 49737047 |
| 694380 | Apr 21, 2010 | Apr 21, 2010 | Devon Energy Production Co, L.P. | Daly, Jack "B" #1HH | 9,000 | 49737046 |
| 694628 | Apr 20, 2010 | Apr 20, 2010 | Devon Energy Production Co, L.P. | George W. King #1HH | 9,000 | 49737045 |
| 694278 | Apr 19, 2010 | Apr 19, 2010 | Braden Exploration, LLC | Baylis Unit #1HH | 9,000 | 49737039 |
| 694278Amendment | Apr 19, 2010 | Apr 19, 2010 | Enervest Operating, L.L.C. | Baylis Unit #1HH | 9,000 | 49737039 |
| 694278Amendment | Apr 19, 2010 | Apr 19, 2010 | Enervest Operating, L.L.C. | Baylis Unit #1HH | 9,000 | 49737039 |
| 694170 | Apr 16, 2010 | Apr 16, 2010 | Devon Energy Production Co, L.P. | Fox Jeff-Fox Zina (SA) #4HH | 9,000 | 49737044 |
| 694170Amendment | Apr 16, 2010 | Apr 16, 2010 | Devon Energy Production Co, L.P. | Fox Jeff-Fox Zina (SA) #4HH | 9,000 | 49737044 |
| 694169 | Apr 16, 2010 | Apr 16, 2010 | Devon Energy Production Co, L.P. | Fox Jeff-Fox Zina (SA) #3HH | 9,000 | 49737043 |
| 694169Amendment | Apr 16, 2010 | Apr 16, 2010 | Devon Energy Production Co, L.P. | Fox Jeff-Fox Zina (SA) #3HH | 9,000 | 49737043 |