A 3D impact dynamic model for perforated tubing string in curved wells

被引：6

作者：

Liu, Jun ^{[1
]}

Guo, Xiaoqiang ^{[1
]}

He, Yufa ^{[2
]}

Tang, Kai ^{[3
]}

Wang, Guorong ^{[1
]}

Zhong, Chengxing ^{[4
]}

机构：

[1] Southwest Petr Univ, Sch Mech Engn, Chengdu 610500, Sichuan, Peoples R China

[2] China Natl Petr Res Inst Co Ltd, Beijing 100028, Peoples R China

[3] China Petr Logging Co Ltd, Southwest Branch, Chongqing 400021, Peoples R China

[4] Chuannan Aerosp Energy Technol Co Ltd, Luzhou 646000, Sichuan, Peoples R China

来源：

APPLIED MATHEMATICAL MODELLING | 2021年 / 90卷

基金：

中国国家自然科学基金;

关键词：

Tubing string mechanics; Dynamic analysis; Impact vibration; Vibration similar experiment; Perforating-test joint operation; DRILL-STRINGS; VIBRATIONS; OIL; BEHAVIOR;

D O I：

10.1016/j.apm.2020.09.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Perforating-test joint operation in oil&gas wells may causes strong impact vibration of downhole tools which can easily lead to buckling of tubing string, falling off of tools and damage of instruments. A 3D impact dynamic model of the perforated tubing string is established by using d'Alembert's principle and microelement method, and solved by the Newton difference method, taking into account the well trajectory, internal/external fluid pressure, interaction forces between the tubing and casing, and the coupling effect of per-forating gun-shock absorber-tubing string. Due to the complexity of the verification, firstly, a similar experiment is carried out to test the accuracy of the model preliminarily. Secondly, through a case analysis, the feasibility of the model in the perforation impact dynamic analysis of tubing string in curved wells is further investigated. Both the two tests show that the model proposed in this paper has good calculation accuracy and can meet the needs of perforation shock vibration analysis of tubing string in curved wells perforation. (c) 2020 Elsevier Inc. All rights reserved.

引用

页码：217 / 239

页数：23

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