随钻地震技术是一种新的井中地震技术。
Seismic while drilling is a new wellbore seismic technology.
随钻地震是地震勘探技术和钻井技术的结合。
Seismic while drilling(SWD)integrates both seismic exploration technology and drilling technology.
随钻地震技术是利用钻井期间旋转钻头的振动作为井下震源。
It USES the vibrations produced by a drill bit while drilling as a downhole seismic energy source.
由于牙轮钻头在信号采集、处理等方面的优势，现阶段随钻地震测量主要采用的是牙轮钻头。
In the present SWD survey, roller-cone bit is widely used because of its advantages in signals recording and processing.
为了应用和推广这一新技术，我们做了随钻VSP模拟试验，即地表浅层炮井随钻地震速度测量。
In order to spread this technique, I have made trial VSP modeling during shothole drilling: shallow seismic velocity survey during shothole drilling.
为了应用和推广这一新技术，我们做了随钻VSP模拟试验，即地表浅层炮井随钻地震速度测量。
In order to spread this technique, I have made trial VSP modeling during shothole drilling: shallow seismic velocity survey during shothole drilling.
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