随钻打捞杯 Junk Subs (石油设备)
随钻打捞杯通常接于钻头或磨铣工具之上,靠其上的收集杯将井眼内循环不上来的较重小落物打捞上来。msn:xiaoyouloveyouhotmail.comjunk sub is normally run just above the drill bit or milling tool, with a cup for catching objects too heavy to be completely circulated out of the hole.注:如需要其它尺寸规格,请详细说明note: if size other than above specifications, please specify clearly.
