1) reaming while drilling (RWD)
RWD随钻扩眼钻具
2) 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。
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。
4) packed hole assembly
满眼钻具
5) reamer bit
扩眼钻头
6) reaming-while-drilling
随钻扩孔
1.
The results show that adjusting the density of drilling fluid and increasing the chlorine concentration can effectively control creep change,meanwhile,technological measures such as pressure plugging and reaming-while-drilling can effectively solve the underground complex accident caused by the creep change of the salt-gypsum strata.
研究结果表明,通过调整钻井液密度及增加氯根浓度可有效地抑制蠕变,同时结合承压堵漏及随钻扩孔等工艺措施可有效解决盐膏层蠕变引起的井下复杂事故。
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