Special coring tools 特殊取心工具
Conventional coring tools 常规取心工具
sealed coring tools 密闭取心工具
double barreled forced coring tools 双管强制取芯钻具
Through optimization of coring tools and bits and improving technical measures, the coring footage of the well is 18.
通过取心工具和钻头的优选、参数优化以及技术措施的强化，该井取心进尺18。
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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