Xinjiang Petroleum Geology ›› 2010, Vol. 31 ›› Issue (3): 284-287.
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ZHOU Xin-mao, HU Yong-le, GAO Xing-jun, ZHANG Zheng, CHEN Jian-yang, WANG Ji-qiang
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Abstract: Point bar is the basic genetic unit of meandering river sand body, which can be controlled by abandoned channel and final channel in scale and configuration. The inner muddy deposit in different types of abandoned channels may keep out their two-side point bars so that creates the disconnecting or weak-disconnecting status between them. The key of single sand body description is to identify the final or abandoned channel and make the assemblage relation clearly between the channel and the point bar. By the establishment of logging and seismic signs for the final channel, integrated with the dynamic monitoring data, this paper presents the fine description of the sand body, which can provide detailed geologic model for reservoir recognition and help to deal with injection-production contradiction, hence obtaining new knowledge of the remaining oil accumulation in it.
Key words: meandering river, single sand body, final channel, abandoned channel, point bar, remaining oil
CLC Number:
TE343
ZHOU Xin-mao, HU Yong-le, GAO Xing-jun, ZHANG Zheng, CHEN Jian-yang, WANG Ji-qiang. Application of Fine Description of Single Sand Body in Meandering River to Old Oilfield Redevelopment[J]. Xinjiang Petroleum Geology, 2010, 31(3): 284-287.
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