Abstract：The sensor is a significant device for seismic acquisition.Up to now various types of sensors are developed for land seismic petroleum exploration,such as moving-coiled geophone,MEMS accelerometer,electrochemical seismometer,fiber-laser geophone,piezoceramic geophone,etc.But for practical seismic acquisition cases,conventional moving-coiled geophones are mostly used.Based on analysis of comparative characteristics of seismic signal and noise,the author clarifies the relationships between sensor specifications and data performance,and then gives some proposals for sensor comparison.Accordingly,the author considers that 20DX coiled geophones are still data-qualified,operation-easy,and cost-efficient sensors under the current data acquisition frame.Furthermore,some comments are presented to several typical sensors.
作者简介: 魏继东,高级工程师,1974年生;2008年获中国海洋大学海洋地球物理学博士学位;2008~2011年在中国石化胜利油田做博士后研究;2012年为英国Imperial College London访问学者;发表论文多篇、专著1部(《石油勘探地震检波》);现在中国石化地球物理公司胜利分公司从事地震数据采集及信号处理方法研究。
引用本文:
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