core barrel catcher

基本解釋

A core bit is used to accomplish this, in conjunction with a core barrel and core catcher.
使用取芯鑽頭、取芯桶和巖心爪來完成取芯工作。
www.infopetro.com.cn
This kind of coring tool mainly consists of inner & outer barrel joint, swivel assembly, outer barrel pup joint, inner and outer barrel and core catcher subassembly.
欠平衡鑽井取心工具主要由內(nèi)外筒接頭、鏇轉(zhuǎn)縂成、差值短節(jié)、內(nèi)外筒、巖心爪組郃件組成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密閉取心工具主要由外螺紋接頭、平衡活塞、限位接頭、內(nèi)外筒、卡箍巖心爪、定位銷、密封頭、及取心鑽頭等部件組成。