BQU NQU HQU Wire Line Core Barrel Assembly overshot
“U” Series Wire line core barrel assembly for core drilling tools can lift core from drill rods without picking up coring system.A complete set of wire line drill tools include:Core barrel assembly, overshot assembly, drill rods, holding dog, hoisting plug, circle wrench etc.It has some advantages such as high penetration rate,high penetration rate, high core recovery ratio, long bit life and lower labour intensity.The advantages can get more clear with the increasing of drill hole depth.
Our company supply The Q series core barrel assembly .They can be divided into BQU,NQU,HQU types. And this series core barrel has advantages of good drilling property, high salvage efficiency and low consumption.
It consists of outer tube assembly and inner tube assembly. Export-standard plywood box is utilized to pack this Q series core barrel.