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| Keywords | |
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sublacustrine fan |
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reservoir characteristics |
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oil-bearing |
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Moliqing fault depression |
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Yitong Basin |
| Authors | |
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ZHANG Yong-1 |
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DONG Qing-Shui-1 |
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LI He-1 |
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ZHANG Kai-Wen-1 |
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CHEN Ji-Ping-2 |
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LIU Hui-2 |
| PubMed | |
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Article by Zhang, Y. 1 |
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Article by Dong, Q. S. 1 |
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Article by Li, H. 1 |
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Article by Zhang, K. W. 1 |
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Article by Chen, J. P. 2 |
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Article by Liu, H. 2 |
Oil-bearing feature of the Member Shuang 2 reservoir of the Y59 area in Moliqing fault depression��Yitong Basin
ZHANG Yong-1, DONG Qing-Shui-1, LI He-1, ZHANG Kai-Wen-1, CHEN Ji-Ping-2, LIU Hui-2
1. College of Earth Sciences��Jilin University��Changchun 130061��China; 2. Changchun Oil Production of Jilin Oilfield Company��CNPC��Changchun 130618��China
The Member Shuang 2 Reservoir is an important hydrocarbon exploration and development layer of the Y59 area in the Moliqing fault depression�� Based on the study of sedimentary facies��characteristics of reservoir petrology��physical properties and oil-bearing��it is revealed the characteristics of oil-bearing feature and the oilwater distribution law of the Y59 area�� The lithology of the oil reservoir is dominated by siltstone and fine sandstone and sandy conglomerate�� The oil bearing grade is fluorescence above�� The reservoir porosity cutoffs for 8%��the lower limit of permeability is 0. 1 × 10 �� 3μm2��and the oil saturation is greater than 50%�� The Rlld of oil reservoir is over 30 Ω·m��and the AC is between 230. 0 �� 260. 0 μs /m�� High productivity wells are mainly located in the upper middle-fan near the northwestern margin��while the productiion is poor in the lower middle-fan�� It has higher productivity in the fault terrace among the reverse faults of the northwestern margin than other regions��