MQX附上了冰核采集工具

Enclosed coring tool is composed of external threaded adapter, balance piston, N nipple, inner/outer barrel, clamp core catcher, alignment pin, sealing head and coring bit etc. Balance piston can automatically eliminate the effect of drilling fluid pressure fluctuation on sealing property. During coring, enclosed fluid will protect core. Coring bit is of dedicated structure which protects core root from drilling fluid direct eroding and ensures core integrity.