Seismic Facies Prediction of Lacustrine Beach and Bar Reservoirs in the Deep Zone of the Bonan Subsag, Bohai Bay Basin
详细信息   
摘要

The lacustrine carbonates are developed in the Paleogene Sha 4 Member of the Bonan Subsag in the Zhanhua Sag of the Bohai Bay Basin. On the basis of analyzing rock facies and geophysical features, this paper develops a technique for the prediction of complicated lithofacies based on sedimentary parameters. It begins from the normal seismic attributes analysis, extracts the 3D seismic attributes, counts the sedimentary parameters,   and sets up the relationship of the sedimentary parameters from wells and the seismic attributes along wells, and then computes the lateral features of many sedimentary parameters. At last, the cluster analysis is done to predict the sedimentary facies. This technology gets a preferable result in the Sha 4 Member of the Bonan subsag.

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