gravity-piston type corer

Considering the strata characteristics of Hulun Lake,new piston sampling drilling tool and press-fitting sampling drilling tool were developed.

考虑到呼伦湖沉积地层特点,研制了新型活塞式取样钻具和压卡式取样钻具,实践证明,取样效果良好,取心率达到了100%。