1) annular coring
环状取芯
1.
The paper proposed a set of drilling tools of large diameter hard rock annular coring with low energy consumption,low cost and high efficiency based on analyzing on the methods of large diameter hard rock coring in domestic and foreign.
在分析了国内外大直径基岩孔钻进取芯方法的基础上,提出了一套低能耗、高效率、低造价的大直径硬岩环状取芯钻具,设计制作了样机,并进行了样机试验。
2) annulus coring
环状取心
1.
The broken processes of borehole bottom rocks under annulus coring or full face drilling, while various arranging patterns of multipieces down hole hammers are used, are compared based on the analyses of drilling in hard rocks by down hole hammers.
在分析硬岩地层中采用潜孔锤钻进基础上,重点从多头潜孔锤组合形式,对比了环状取心或全断面破碎孔底过程,并对大直径硬岩取心方法和HC型环状潜孔锤取心实钻试验作了简要介绍。
3) reverse circulation continuous sampling
反循环连续取芯
1.
Possibility of application on reverse circulation continuous sampling with hollow air-driven DTH hammer in oil and gas exploration drilling;
贯通式空气锤反循环连续取芯钻井技术在油气勘探工程中应用的可行性探讨
4) calyx (core) dril
萼状空心钻;萼状取芯钻
5) ACPR (Annular Core Pulse reactor)
环状堆芯脉冲堆
6) ring core reactor
环状堆芯反应堆
补充资料：厂房结构强度评定——取芯样
厂房结构强度评定——取芯样
疡厂房结构强度评定—取芯样
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