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。
2
The equipment is suitable for various underwater projects and can also be used as pile-driving ship, geology survey ship, charge ship for mud extrusion by explosion, drilling ship, and etc.
该设备也可作为打桩船、地质勘探船、爆破挤淤装药船、钻孔船等使用，适用于多种水下基础施工工程。
3
Methods To survey some drilling officers and soldiers utilizing the stressor inventory designed by ourself.