STUDY OF FLUVIAL RESERVOIR CHARACTERISTICS IN NORTH BLOCK OF OILFIELD A IN BOHAI SEA
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Abstract
Taking the north block of the oilfield A as an example, this paper discusses the contents and features of fluvial facies reservoir characterization in high water cut stage. Upon the basis of a high resolution stratigraphic framework, the method and working procedure of facies analysis for a fluvial reservoir is constructed at a well space of 350m. The principles of 3D quantitative reservoir characterization as well as the 3D reservoir model are established. Four types of the distribution pattern of remaining oil are recognized. The results may provide support to the comprehensive adjustment of oil production at a high water cut stage in the oilfield.
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