摘要
井眼基本破坏形式是由于不稳定性造成的井眼岩石崩落坍塌和剪切带。井眼破坏的非均匀性采用传统的理论和方法不能得到较好的解释和预测。采用材料的分叉分析方法和变形局部化的数值模拟研究 ,可望对井眼失效的机理分析。
The basic failure mode of borehole is borehole avalanche and shear zone caused by bore instability.Inhomogeneous failure of borehole can not be further explained and forecasted adopting traditional theories and methods.Bifurcation analysis of materials and numerical simulation of strain localization phenomena can provide a new method for analysis of borehole failure,and for its forecasting or control.
出处
《钻采工艺》
CAS
2002年第1期24-26,共3页
Drilling & Production Technology
关键词
油井
井眼失效
坍塌
变形局部化
剪切带
分叉分析
数值模拟
borehole failure,avalanche,strain localization,shear zone,bifurcation analysis,numerical simulation
