| Seismic identification of channel sandbodies in the Fuyang oil layer in North Songliao Basin, China |
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| 作者姓名： | 刘金平 王允清 杨懋新 谢春来 赵秀红 陈淑梅 |
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| 作者单位： | [1]Geophysical Exploration Company, Drilling ＆ Exploration Group, Daqing Petroleum Administrative Bureau, Daqing City,163357, China [2]Drilling ＆ Exploration Group of Daqing Petroleum Administrative Bureau, Daqing City, 163357, China |
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| 摘 要： | The Fuyang oil-layer in North Songliao Basin is characterized by thin interbedded sands and shales, strong lateral variation, strong reservoir heterogeniety, and so on. The thickness of individual sand layers is generally 3 - 5 m. Identifying the channel sand-bodies of the Fuyang oil layer using seismic techniques is very difficult due to the low seismic resolution. Taking the GTZ area as an example, we discuss the genetic characteristics of the channel sand-bodies and point out the real difficulty in using seismic techniques to predict the channel sand-bodies. Two methods for the identification of channels are presented： frequency spectrum imaging and pre-stack azimuthal anisotropy. Identifying the channel sand-bodies in Fuyu oil-layer using the two seismic methods results in a success rate up to 80% compared with well data.
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| 关 键 词： | 地震 盆地 频率 中国 |
| 收稿时间： | 15 August 2006 |
| 修稿时间： | 2006-08-152006-12-28 |
Seismic identification of channel sandbodies in the Fuyang oil layer in North Songliao Basin, China |
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| Jinping Liu,Yunqing Wang,Maoxin Yang,Chunlai Xie,Xiuhong Zhao,Shumei Chen.Seismic identification of channel sandbodies in the Fuyang oil layer in North Songliao Basin, China[J].Applied Geophysics,2007,4(2):127-132. |
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| Authors: | Jinping Liu Yunqing Wang Maoxin Yang Chunlai Xie Xiuhong Zhao Shumei Chen |
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| Institution: | (1) Geophysical Exploration Company, Drilling & Exploration Group, Daqing Petroleum Administrative Bureau, Daqing City, 163357, China;(2) Drilling & Exploration Group of Daqing Petroleum Administrative Bureau, Daqing City, 163357, China |
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| Abstract: | The Fuyang oil-layer in North Songliao Basin is characterized by thin interbedded sands and shales, strong lateral variation, strong reservoir heterogeniety, and so on. The thickness of individual sand layers is generally 3 - 5 m. Identifying the channel sand-bodies of the Fuyang oil layer using seismic techniques is very difficult due to the low seismic resolution. Taking the GTZ area as an example, we discuss the genetic characteristics of the channel sand-bodies and point out the real difficulty in using seismic techniques to predict the channel sand-bodies. Two methods for the identification of channels are presented: frequency spectrum imaging and pre-stack azimuthal anisotropy. Identifying the channel sand-bodies in Fuyu oil-layer using the two seismic methods results in a success rate up to 80% compared with well data. |
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| Keywords: | Seismic technique Fuyang oil layer channel sand frequency spectrum imaging azimuthal anisotropy |
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