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Method for facilitating monitoring, in the course of time, of the evolution of an underground zone by compared analysis of various seismic record sets
Method for facilitating monitoring, in the course of time, of the evolution of an underground zone by compared analysis of various seismic record sets
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机译:通过对各种地震记录集进行比较分析来方便地监视地下区域演变的方法
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摘要
The present invention relates to a method for facilitating monitoring, in the course of time, of the evolution of an underground zone by compared analysis of a certain number n of seismic record sets obtained respectively after n successive 3D seismic surveys (method referred to as 4D seismic method). The method comprises using a pattern recognition technique applied to all of the seismic events of the n surveys considered and analyzed simultaneously, which allows showing the evolution of the seismic events in the subsoil. The invention has an application for monitoring of changes occurring in a reservoir zone of the subsoil during production for example.
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