Mechanism of seepage induced casing damage and numerical simulation

被引:0
|
作者
Diao Shun [1 ]
Yang Chun-he [2 ]
Liu Jian-jun [2 ,3 ]
Huang Xiao-lan [2 ]
机构
[1] CNPC, Dept Sci & Technol, Beijing 100081, Peoples R China
[2] Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan 430071, Hubei, Peoples R China
[3] Wuhan Polytech Univ, Inst Poromech, Wuhan 430023, Hubei, Peoples R China
关键词
casing damage; seepage; geostress; numerical simulation; fluid-solid coupling;
D O I
暂无
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
Casing damage is a difficult technical problem and puzzle oil field for a long period. Large field investigation and theoretical studies show that casing damage is closely related to seepage field changes. Shear failure damage, tensile damage and extrusive damage are all induced by seepage. Based on fluid-solid coupling theory, mechanism of seepage induced casing damage were analyzed; a mathematical model to predict casing damage is established; finally and listed simulation cases are given. It is significant to guide the casing damage prevention and forecast.
引用
收藏
页码:327 / 332
页数:6
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