... detachable core barrel 可拆式岩心筒 wire line core barrel 绳索取心筒 outer core barrel 外岩心筒 ...
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Outer Core Barrel Assembly 外筒组合
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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。
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