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The description of a single sand body for remaining oil predictions is critical to the enhancement of oil recovery of an old oilfield. Taking the fluvial facies of the Xingbei Oilfield as an example, a single sand body can be divided into four categories—“tabulated reservoir”, “untabulated reservoir”, “single channel sand body” and “abandoned channel”—using the reservoir architecture analysis method...
A new method has been proposed for forecasting the distribution of the microfacies, integrating the core data, logging data, seismic data and testing data of multiple disciplines. The flowchart of this method follows the basic idea of from points (well) to surfaces (the 2-D maps) to zones (the 3-D maps). The recognition and core-log response model has first been constructed by the analysis of sedimentary...
The multiple point geostatistics can not reproduce the continuous shape of the channel due to the limitation of the algorithm with random draw of the simulated value. A new method is proposed which integrates the random walk process with multiple point geostatistics. First the random walk process produces the channel main streamline, then the draw of simulated value in multiple point geostatistics...
This paper analyzes the data sources, data content, data format of geological knowledge database and the relationship between meandering river geological entities, designs the data model and data structure of geological knowledge database. Using SQL Server and VC++, the meandering river geological knowledge database system is designed and developed. The System has four functional modules: data management...
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