1) reaming while drilling tools
随钻扩眼工具
1.
Experimental research on ratio of weight on bit for reaming while drilling tools;
随钻扩眼工具井底钻压分配的实验研究
2.
The practice results also showed the reaming while drilling tools could drill faster than the normal bit of the same size.
为了研究随钻扩眼工具在钻井过程中的破岩特性,更好地发挥其在钻井过程中的优点,建立了随钻扩眼工具井底钻压的计算模型。
2) reaming while drilling (RWD)
RWD随钻扩眼钻具
3) reaming while drilling
随钻扩眼
1.
Application of reaming while drilling tools in Shengli Oilfield;
胜利油田随钻扩眼工具及其应用
2.
Aiming at safe and high effective borehole enlargement issue of deep well,ultra-deep well and high pressure oil/gas well in drilling operation,actual force behaviors of drilling string assembly reaming while drilling in downhole are researched,by using tri-axial finite element approach twisting vibration of reaming drill string while drilling is simulated.
针对深井、超深井、高压油气井等钻井作业中安全高效的扩眼问题,研究随钻扩眼钻具组合在井下的实际受力情况,对随钻扩眼钻进钻柱扭转振动进行了三维有限元模拟,提出了研究扩眼器的质量偏心、钻机顶部支撑等因素对扭转振动作用的力学分析模型,并讨论了随钻扩眼钻具组合的扭转振动频率和动力学强度等力学问题。
5) logging-while-drilling tool
随钻测井工具
6) mini-step reamer
微台阶扩眼工具
1.
A matching tool called variable-diameter mini-step reamer is thus developed for hard formations and introduced herein.
膨胀管封堵技术是一项推动深井钻井技术进步的国际前沿技术,为了追踪国际前沿技术,开发出了适用于坚硬地层的可变径微台阶扩眼工具。
补充资料：随形带眼端砚
清代制品，此砚同长２２．８厘米基本上按照原材料的形态略加修饰，散落的石眼如画龙点睛，效果颇佳。
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