[1]李周波,芦 琳,鲁碧为,等.J55膨胀套管抗挤毁强度的计算与模拟*[J].焊管,2014,37(7):23-26.[doi:1001-3938(2014)07-0023-04]
 LI Zhoubo,LU Lin,LU Biwei,et al.Calculation and Simulation of Collapse-resistance Strength for J55 Expansion Casing[J].,2014,37(7):23-26.[doi:1001-3938(2014)07-0023-04]
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J55膨胀套管抗挤毁强度的计算与模拟*
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第7期
页码:
23-26
栏目:
应用与开发
出版日期:
2014-07-28

文章信息/Info

Title:
Calculation and Simulation of Collapse-resistance Strength for J55 Expansion Casing
文章编号:
1001-3938(2014)07-0023-04
作者:
李周波12芦 琳12鲁碧为12强 康1翟龙强1
(1. 宝鸡石油钢管有限责任公司, 陕西 宝鸡 721008;
2. 国家石油天然气管材工程技术研究中心,陕西 宝鸡 721008)
Author(s):
 LI Zhoubo12LU Lin12LU Biwei12QIANG Kang1ZHAI Longqiang1
(1. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China;
2. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China)
关键词:
焊管膨胀管有限元法抗挤强度残余应力
Keywords:
welded pipeexpansion casingfinite element analysis method (FEM)collapse-resistance strengthresidual stress
分类号:
TG406
DOI:
1001-3938(2014)07-0023-04
文献标志码:
B
摘要:
研究了J55膨胀管的壁厚误差、椭圆度、残余应力对其抗挤强度的影响。并利用ANSYS有限元对J55膨胀管实际抗挤毁过程进行了仿真模拟,结果表明:壁厚的减小降低抗挤强度,壁厚的增加提高抗挤强度。随着椭圆度的增加,套管抗挤强度不断地减小。轴向残余拉应力使套管的抗挤强度明显降低,径向残余应力对套管抗挤强度的影响基本上呈线性规律。通过理论计算结果和模拟结果的比较,验证了模拟的合理性。
Abstract:
In this article, it studied the effect of J55 expansion casing wall thickness deviation, ovality and residual stress on its collapse-resistance strength. Furthermore, it utilized ANSYS FEM software to simulate the collapse-resistance process. The results showed reducing wall thickness can low collapse-resistance strength, and increasing wall thickness can enhance collapse-resistance strength. With ovality increasing, the collapse-resistance strength reduces continually. The axial residual tensile stress significantly reduces the collapse-resistance strength of expansion casing, and the influence of radial residual stress on collapse-resistance strength is basically linear. Through the comparison of theoretical calculation and simulation results, the rationality of the simulation was verified.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-05-10
作者简介:李周波(1981—),男,工程师,主要从事焊接技术及油井管新产品开发工作。
更新日期/Last Update: