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《Journal of Northwest University(Natural Science Edition)》 2018-03
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Facies model of lacustrine microbial carbonates: A case study from A oilfield,Santos Basin

ZHANG Demin;DUAN Taizhong;ZHANG Zhongmin;HAO Yan;YAO Wei;SINOPEC Research Institute of Petroleum Exploration & Production;SINOPEC Overseas Oil & Gas Ltd.;  
A Oilfield was taken as an example in this paper and based on the data of cores,borehole corings,logging,3D seismic,the types of microfacies,microfacies association were analyzed and the faceis model was established. It can be found that there are three types of rock in the study area,which are microbial carbonates,grain carbonates,and Crystalline carbonates. The former three types of rock were composited by 11 microfacies. It contains stromatolite,rudstone,dolostone et al. On the basis of the above work,four microfacies association were identified by the relationship of lithology combination,and that are microbial mound,back microbial mound of leeward,fore-microbial mound of windward,shoal. Finally,facies model of lacustrine microbial carbonates was established.
【Fund】: 国家科技重大专项基金资助项目(2016ZX05033-003-003);; 中国石化科技部基金资助项目(G5800-15-ZSKJB016 JP14008)
【CateGory Index】: P618.13
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