1) detachable core barrel
可拆式岩心筒
2) single type core barrel
单筒式岩心筒
3) retractable core barrel
可取出的岩心筒
4) rope core barrel
绳索式岩心筒
6) core barrel
岩心筒
1.
The conventional core inner barrel which unprocessed have crude face and there are mul -steps in the core passage of barrel because the connections of compound ports of inner core barrel that made the core difficult entering barrel in soft formation coring.
常规内岩心筒的内表面未经任何加工，比较粗糙；内筒组合各部件连接使进心管路成多级台阶，所以在松软地层取心极易堵心。
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参考词条