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| Keywords | |
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sedimentary microfacies |
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reservoir flow units |
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multi-parameter fuzzy cluster analysis |
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remaining oil |
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Songnan 142 block |
| Authors | |
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MIAO Chang-Sheng |
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ZHANG Zhi-Yong |
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LIANG Sheng |
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LI Peng |
| PubMed | |
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Article by Miao, C. S. |
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Article by Zhang, Z. Y. |
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Article by Liang, S. |
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Article by Li, P. |
Research on reservoir flow units in the Songnan 142 block of Qinjiatun Oilfield
MIAO Chang-Sheng, ZHANG Zhi-Yong, LIANG Sheng, LI Peng
Northeast Oil-gas Branch��SINOPEC��Changchun 130062��China
The Songnan 142 block of Qinjiatun Oilfield has entered the high-water-contain stage after years of exploitation�� In order to analysis the relation of inection to production��predict the distribution of remaining oil and promote the oil recovery��we have studied the reservoir flow unit in this area�� On the basis of the drilling core and well logging data��we found that there were four microfacies in this area��including the underwater distributary channel��underwater distributary interchannel��mouth bar and sheet sand�� The Nong VIII --Nong V area showed an integrand deposition of fan delta front�� Using the multi-parameter fuzzy cluster analysis��we divided the reservoirs of this area into five reservoir flow units of A��B��C��D and E in decreasing order of frequencies��and built the standards of types of reservoir flow units�� Based on the study of the distribution of reservoir flow units��we analyzed the injection-production relation between the oil wells and water wells and also predicted the favourable zones of remaining oil�� The results with production performance data were checked��which showed the consistency of the theory analysis results and the actual production conditions��