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。
The well track of Tasheng well 1 after sidetracking causes the coring tools transverse vibration, thereby destroy the coring yld.
塔深1井是亚洲最深的科学探索井，该井侧钻饶障后造成的井眼轨迹易使取心工具产生横向震动，对岩心起破坏作用；
However, ancient giant sequoias can have trunks that are 30 feet in diameter — far too big to be sampled using even the longest coring tools, which are only three feet long.
然而，古代巨型水杉木的树身可以长到直径30英尺——即使最长的年轮取芯工具(长度只有3英尺)也无法顺利取样。
应用推荐