Research on Chang 8_1 member reservoir logging facies in Zhenjing oilfield
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Abstract
Use coring data of 37 wells in Zhenjing oilfield and EMI logging data to determine lithologic facies features,divide and compare Chang 81 member systematically,set up geology-logging sedimentary facies mode.Based on analyzing and comparing single well sedimentary micro facies and multi connecting well profile,according to spectra feature analysis and sedimentary systematic analysis of sedimentary facies marker,combined with logging facies analysis,the space distribution of sedimentary facies of study area has been determined,extension formation Chang 81 member oil layer sedimentary micro facies plan distribution have been drew up.Which divided the advantageous oil gas enrichment region,and provided the technical support for the oil field reasonable development.
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