By directly measuring the acoustic velocity of each formation encountered in a well, the well logs and borehole seismic data can be correlated to surface seismic data more easily.
通过直接测量井中每一地层的声速度，测井记录和井中地震数据可以更容易地和地表地震数据联系起来。
By studying modern point bars and other sedimentary formations, the scientists can create more accurate models from the borehole and seismic data they collect.
通过研究现代曲流沙坝和其它沉积岩层，科学家能够利用所收集的井孔和地震数据建立更精确的模型。
The variation of seismic velocity in shallow levels has important influence on velocity modelling and reflection imaging, which is confirmed by borehole data.
这一变化对建立地下速度模型及反射构造成象有较大影响，钻井资料证实了这一结果。
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