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Study of Sedimentary Microfacies of Putaohua Reservoir at Xu 30 Block in Yushulin Oil Field
Abstract:
Xu 30 block is located in the southwest of Yushulin oil field, Putaohua reservoir is the main reservoir. Based on the analysis of the core information and well logging facies elements, and combining with the sedimentary characteristics of the study area, this paper discusses the types of sedimentary microfacies of Xu 30 block in Yushulin oil field in order to guide the future oil and gas exploration and development. The results show that the target layer in the study area having obvious characteristics of underwater distributary channel is delta front facies, and it can be divided into underwater distributary channel, seat body, sheet sand, the inner front sheet sand and the external delta front sedimentary microfacies. Further analysis of sedimentary characteristics, this paper establishes logging microfacies models and draws out 9 time units sedimentary microfacies in plane distribution diagrams. This study can offer not only an important geologic evidence for Putaohua reservoir at Xu 30 block, but also a basement for the distribution law of oil, water and the remaining oil.
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300-304
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June 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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