Shale layer system lithofacies distribution prediction method and device, storage medium and processor

Abstract

The present application relates to the field of geological exploration, and discloses a shale series lithofacies distribution prediction method, device, storage medium and processor, the present application carries out sequence interface calibration to the stratum of target area, establishes three-level sequence framework; carry out quasi sequence, quasi sequence group and three-level system domain sequence division in three-level sequence framework; carry out T-R cycle division to the inside of quasi sequence and the inside of quasi sequence group, establish high frequency sequence framework; establish fine grain deposition mode under high frequency sequence framework; verify sequence division, determine deep time unit based on the verification result; based on high frequency sequence framework, fine grain deposition mode and deep time unit, predict the shale series lithofacies distribution of target area. Thus, the shale series can be more finely divided into time sedimentary sequences, thereby the accuracy of shale series lithofacies distribution prediction can be improved.

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