core barrel catcher

基本解释

A core bit is used to accomplish this, in conjunction with a core barrel and core catcher.
使用取芯钻头、取芯桶和岩心爪来完成取芯工作。
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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.
欠平衡钻井取心工具主要由内外筒接头、旋转总成、差值短节、内外筒、岩心爪组合件组成。
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.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。