[1]曹梦雨,徐德奎,王尊策,等.一体化管柱力学行为及螺纹密封性能研究[J].地震工程与工程振动,2019,39(06):113-122.[doi:10.13197/j.eeev.2019.06.113.caomy.016]
 CAO Mengyu,XU Dekui,WANG Zunce,et al.Study on mechanical behavior and thread sealing performance of integrated pipe string[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(06):113-122.[doi:10.13197/j.eeev.2019.06.113.caomy.016]
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一体化管柱力学行为及螺纹密封性能研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
39
期数:
2019年06
页码:
113-122
栏目:
论文
出版日期:
2019-12-31

文章信息/Info

Title:
Study on mechanical behavior and thread sealing performance of integrated pipe string
作者:
曹梦雨12 徐德奎3 王尊策12 温后珍12 徐艳12 卢玉4
1. 东北石油大学 机械科学与工程学院, 黑龙江 大庆 163318;
2. 黑龙江省石油石化多相介质处理及污染防治重点实验室, 黑龙江 大庆 163318;
3. 大庆采油工程研究院, 黑龙江 大庆 163318;
4. 中国石油辽河油田公司钻采工艺研究院, 辽宁 盘锦 124000
Author(s):
CAO Mengyu12 XU Dekui3 WANG Zunce12 WEN Houzhen12 XU Yan12 LU Yu4
1. Northeast Petroleum University, College of Mechanical Science and Engineering, Daqing 163318, China;
2. Key Laboratory of multiphase medium treatment and pollution control of Heilongjiang petroleum and Petrochemical Company, Daqing 163318, China;
3. Daqing Oil Production Engineering Research Institute, Daqing 163318, China;
4. Drilling and Production Technology Research Institute of Petro China Liaohe Oilfield Company, Panjin 124000, China
关键词:
一体化管柱管柱力学变截面摩擦接触模型螺纹密封气井压裂
Keywords:
integrated pipe stringpipe string mechanicsvariable cross-section friction contact modelthreaded sealinggas wellfracturing
分类号:
TE21
DOI:
10.13197/j.eeev.2019.06.113.caomy.016
摘要:
气井压裂投产一体化管柱在各工艺过程中将承受交变载荷作用,管柱的强度及密封性能会受到很大影响,需对其典型螺纹接头在各工况下的强度和密封性能进行校核。建立了某一体化管柱的变截面摩擦接触有限元模型,对其不同工况下的力学行为开展了有限元分析,获得了螺纹接头的载荷边界。对螺纹接头在管柱生产和压裂等工况下的密封性能进行了有限元分析,结果表明该螺纹接头抗弯曲能力及承内外压能力较好,但抗拉性能较差,不宜在深井中使用。
Abstract:
In the process of fracturing and production of gas wells, the integral pipe string will bear alternating load, and the strength and sealing performance of the pipe string will be greatly affected. Thus, the strength and sealing performance of its typical threaded joints should be checked under various working conditions. A variable cross-section friction contact finite element model of an integrated pipe string was established. The finite element analysis was carried out and the load boundary of the threaded joint was obtained.The mechanical behavior of the pipe string under different working conditions was obtained. The sealing performance of threaded joints under the conditions of pipe string production and fracturing was analyzed by finite element method. The results showed that the flexural strength and internal/external pressure bearing capacity of the threaded joint met the application requirements at underground environment, but the tensile strength is lower than expected, so the threaded joint was not suitable in deep wells.

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备注/Memo

备注/Memo:
收稿日期:2019-09-20;改回日期:2019-10-13。
基金项目:黑龙江省青年科学基金项目(QC2016003);中国石油和化学工业联合会科技指导计划项目(2016-01-02);东北石油大学研究生创新科研项目(YJSCX2016-021NEPU)
作者简介:曹梦雨(1990-),男,讲师,博士,主要从事流体机械设计及理论研究.E-mail:18945924537@163.com
通讯作者:王尊策(1962-),男,教授,博士,主要从事流体机械设计及理论研究.E-mail:wa
更新日期/Last Update: 1900-01-01