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| Keywords | |
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Shiwu oilfield |
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Yingcheng Formation |
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sedimentary microfacies |
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reservoir physical property |
| Authors | |
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XIA Zhi-Wei-1 |
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CHENG Ri-Hui-1 |
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ZHAO Chun-Man-2 |
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HUANG Dang-Wei-2 |
| PubMed | |
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Article by Xia, Z. W. 1 |
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Article by Cheng, R. H. 1 |
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Article by Zhao, C. M. 2 |
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Article by Huang, D. W. 2 |
Characteristics of sedimentary microfacies and influence on reservoir physical property of Yingcheng Formation reservoir in Shiwu oilfield of Songliao Basin
XIA Zhi-Wei-1, CHENG Ri-Hui-1, ZHAO Chun-Man-2, HUANG Dang-Wei-2
1. College of Earth Sciences��Jilin University��Changchun 130061��China; 2. Exploration and Development Research Institute��Northeast Oil and Gas Branch��SinoPEC��Changchun 130062��China
Studying the microscopic and particle characteristics of Yingcheng Formation reservior in Shiwu oilfield�� the authors identify five microfacies in this area which contain submerged distributary channel��branching mouth bar��distal bar of fan delta front subfacies and subaqueous fan��turbidity current of shallow to semi-deep lake subfacies�� Combined with the reservior property data��it is revealed that sand genetic types evidently controlled the reservoir physical property�� The branching mouth bar and submerged distributary channel of fan delta front are the best in sand reservoir quality��the subaqueous fan is slightly inferior��while the distal bar and turbidity current are the worst�� The reservoir physical property in this area is also controlled by diagenesis��