Viscoelastic-plastic Finite Element Mechanics Models of Interaction of Rock，Cement Ring and Casing

doi:10.3863/j.issn.1000-2634.1994.02.16

西南石油大学学报(自然科学版) ›› 1994, Vol. 16 ›› Issue (2): 97-103.DOI: 10.3863/j.issn.1000-2634.1994.02.16

• 石油机械工程及其它 • Previous Articles Next Articles

Viscoelastic-plastic Finite Element Mechanics Models of Interaction of Rock，Cement Ring and Casing

Lian Zhang-hua¹Zhang Xian-pu¹Zhao Guo-zheng²He Ming-zhu³ Wang Gang³ Zeng Jiu-chang³

1.Department of Mechanical Engineering；2.Univercity of Petroleum；3.Huabei Petroleum Administratration Bureau

Received:1993-10-17 Revised:1900-01-01 Online:1994-04-20 Published:1994-04-20

Abstract

Abstract:

The paper has first established the viscoelastic-plastic finite element mechanics models of casing deformation. Theory and practice have proved that the mechanics model III is accurate and reliable. The mechanics model, a new method to study casing deformation, can study the process of casing elastoplastic deformatiom under uniform or non-uniform load acting on the outer wall of casing. While applied in Huabei Oil Field, the model III has imitated the casing around outer load and its distribution, hence providing important reference data for solving the casing around stresses and finding the method of resisting casing deformation.

Key words: mechanical system, viscosity, elasticity, plasticity, casing

CLC Number:

TE826.2

Lian Zhang-hua Zhang Xian-pu Zhao Guo-zheng He Ming-zhu Wang Gang Zeng Jiu-chang. Viscoelastic-plastic Finite Element Mechanics Models of Interaction of Rock，Cement Ring and Casing[J]. 西南石油大学学报(自然科学版), 1994, 16(2): 97-103.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.3863/j.issn.1000-2634.1994.02.16

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y1994/V16/I2/97

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Viscoelastic-plastic Finite Element Mechanics Models of Interaction of Rock，Cement Ring and Casing

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