1) drill extractor
钻头提取器
2) Drill-Bit Signals Extraction
钻头信号提取
3) core-lifter adapter
岩心提取器接头
4) packet header extractor
分组头提取器
5) coring bit
取心钻头
1.
Based on strata characteristics,designed 8? matrix bodied triple stepped PDC coring bit and steel bodied multiple stepped tungsten-carbide-tipped coal coring bit.
为满足设计要求,选择平顶山五环实业有限公司研制的大口径绳索取心器,并根据地层特点,设计了81/2胎体式三阶梯PDC复合片绳索取心钻头及钢体式多阶梯硬质合金取煤钻头。
2.
The bottom hole flow physical model of a kind of PDC coring bits is established considering the effect of junk slot and teeth layout in this paper.
以一种现场常用的PDC取心钻头为原型,充分考虑排屑槽和切削齿对于井底流动的影响,建立了与实际相接近的PDC取心钻头井底流场的物理模型。
6) core bit
取芯钻头
1.
Development and application of large diamond compact core bit;
大口径金刚石复合体取芯钻头的研制及应用
补充资料：钻头
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条