Evaluation of physical characteristics of high temperature and high pressure reservoirs in the eastern area of Yinggehai Basin
In this paper,thin section identification,scanning electron microscopy and image analysis are used to systematically understand the petrology characteristics,diagenesis and genetic mechanism of low permeability reservoir under high temperature and pressure.The results show that the reservoir physical property of the first member of Huangliu Formation is controlled by sedimentary microfacies,and the physical property of the coastal sand bar is the best,with an average value of 17.1%,and the shaliness content is low.The physical property of coastal beach sand is the second,the distribution is relatively concentrated,the average value is 12.6%,and the offshore sand bar is the worst,the average value is 13.1%.The research results have important guiding significance for the study of physical properties of high temperature and high pressure reservoirs.
Eastern Districtdiagenesislow-permeability reservoirsHigh temperature and high pressure
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