同步可控震源地震采集技术新进展
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摘要
同步震源地震采集技术,因其任意两个震源之间激发时间的间隔不受任何门限值的制约,可以进行同步激发,与常规采集技术相比,在相近的时间内能够采集到更多的地震记录,从而大大缩短了采集周期,提高采集效益,是近年来国外发展最快的高效采集技术。这里首先介绍了该技术的发展现状,其次以独立同步扫描(ISS)、距离分开同步扫描(DSSS)、HPVA和V1等同步可控震源特色采集技术为例,从其勘探设计出发,结合各自的采集技术、数据分离技术以及野外测试情况进行了介绍,最后对各种高效采集技术的优势进行了对比总结。
Simultaneous vibroseis acquisition technology,because of the shooting time interval between any two source without any threshold constraints,can be shooted simultaneous.It can be able to collect more data in the similar period of time compared with conventional collection technology.It is the fastest growing efficient collection technology due to its greatly shorten the acquisition cycle and improved collection efficiency in recent years.This paper,Firstly,introduces the current development of the technology.Secondly,the data separation technology and field test situation and foreign newest development of simultaneous vibroseis acquisition methods are classified introduction combining with their respective acquisition technology,such as independent simultaneous sweeping,distance separated simultaneous sweeping,HPVA and V1 technology.Finally,the advantages of four efficient acquisition technology are summarized.
引文
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