摘要
井口τ值是野外记录的一种辅助信号,是地震勘探中的重要参数,它包含着丰富的表层信息,对野外的质量监控尤其是静校正工作都具有十分重要的意义。近两年,在勘探技术的攻关过程中,对井口τ值在高精度地震勘探中的作用进行了较为深入的理论研究,在此基础上,利用生产资料进行了验证,获得了较好的效果。利用井口τ值,可以提高炮检点静校正量的精度;可以得到一定深度的表层速度信息;可以监测野外的激发井深。
The wellheadτvalue is an auxiliary signal for the field record,as well as an important parameter in seismic exploration.It contains a lot of surface information,which is significant to field quality control,especially to static corrections.In recent two years,more theoretical research has been conducted on the effect of the wellheadτvalue on high-precision seismic exploration.Based on this,the effect is testified by means of production and good results are obtained.Using the wellheadτvalue can improve the precision of static corrections of shot points,get some surface velocity information within a certain depth,and monitor the field shot hole depth.
出处
《中国石油勘探》
CAS
2008年第2期37-44,共8页
China Petroleum Exploration
关键词
井口τ值
高精度地震勘探
静校正
质量监控
wellheadτvalue
high-precision seismic exploration
static correction
quality control
