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.

youdao

将金刚石复合体加工成凿岩切削齿，应用于旋转钻头上，设计制造了新型旋转钻头产品。

A new type of rotary bits was manufactured by processing the PDC product into drilling cutting buttons and then embedding them into rotary bits.

youdao

钻孔是用一个称为“钻头”的旋转刀具进行的。

Drilling is performed with a rotating tool called a drill.

youdao