Computation Model for Collapse Strength of the Casing Wear

被引：1
|
作者：
Liang Erguo [1 ]
Li Zifeng [1 ]
机构：
[1] Yanshan Univ, Qinhuangdao 066004, Peoples R China
来源：
MEMS, NANO AND SMART SYSTEMS, PTS 1-6 | 2012年 / 403-408卷
关键词：
Casing wear; collapsing failure; collapse strength; borehole bending; computation model;
D O I：
10.4028/www.scientific.net/AMR.403-408.496
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
With the combination of theoretical analysis, numerical simulation and actual test, the factors and rules impacting the collapse strength are studied. The collapse strength of the casing wear presents changes of exponent, power function, and linear trend with the residual casing wall thickness, wear radius and axial load respectively. Based on this, the computation model of collapsing strength for the whole casing wear has been established and the model is tested for verification by computing collapse strength of non-casing wear. The study results provide a guide for design of the casing sting strength and down-hole safety.
引用
收藏
页码：496 / 501
页数：6
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