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METHOD OF SEDIMENTARY ENVIRONMENT INTERPRETATION THROUGH ELECTROFACIES CONSTRUCTION
METHOD OF SEDIMENTARY ENVIRONMENT INTERPRETATION THROUGH ELECTROFACIES CONSTRUCTION
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机译：通过电学构造沉积环境解释的方法
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摘要
The present invention relates to a method of analyzing sedimentary environment through electrofacies construction that constructs electrofacies containing exact geological information which is geophysical logging data obtained from a plurality of boreholes in a study area, and analyzes horizontal changes of the sedimentary environment by use of it, the method comprising: a step (1) of constructing first electrofacies from a first borehole in the study area, in which first borehole core data and first geophysical logging data exist; and a step (2) of constructing second electrofacies by analyzing second geophysical logging data of a second borehole, except for the first borehole. The step (1) has a step (1a) of selecting the geophysical logging data obtained from the first borehole; a step (1b) of normalizing the geophysical logging data selected from the step (1a), a step (1c) of generating a first group by analyzing the geophysical logging data normalized in the step (1B) by use of sedimentary combination as supervision data, and a step (1d) determining the first group having a high correlation as first electrofacies by calculating a correlation value between the first group generated from the step (1c) and the sedimentary combination. The step (2) analyzes second geophysical logging data by the same method as the method of constructing the first electrofacies in the step (1) to construct second electrofacies.
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