地震采集面元尺度与成像横向分辨能力分析

doi:10.11743/ogg20120118

Abstract

Abstract:

Based on the analyses of general bin size design of seismic survey,the imaging of forward modeling with different trace spacing verifies that interpretation results are quite different for different tracing spacing.The larger the trace spacing is,the more difficult the interpretation is,and the greater the error is.The smaller the trace spacing is,the closer the interpretation results are to the real geologic structures.Analyses of real seismic imaging with different bin sizes reveal that event-crossing may occur on imaging section of fault when bin size is large,making it very difficult to accurately identify fault.In contrast,imaging section of fault is narrow and clear when bin size is small,making it easy to interpret fault,thus increasing lateral resolution of seismic data.In conjunction with the previous exploration application and according to the geologic task in different seismic exploration stages,we present corresponding proposals of bin sizes for seismic exploration in frontier area,high resolution seismic exploration,seismic exploration during rolling exploration and development.

Key words: forward modeling, variable bin imaging, lateral resolution, acquisition bin design

CLC Number:

TE132.1

Guo Kai, Tong Zhaoqi, Teng Houhua. Analysis on bin size of seismic survey and lateral resolution of imaging[J]. Oil & Gas Geology, 2012, 33(1): 141-147.

References

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Analysis on bin size of seismic survey and lateral resolution of imaging

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