Calculation of Frictional Drag of Casing Running in Horizontal Wells

doi:10.3863/j.issn.1000-2634.1997.02.05

西南石油大学学报(自然科学版) ›› 1997, Vol. 19 ›› Issue (2): 21-26.DOI: 10.3863/j.issn.1000-2634.1997.02.05

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Calculation of Frictional Drag of Casing Running in Horizontal Wells

He Shi-ming¹ Guo Xiao-yang¹ Xu Bi-hua¹ Wang Zhao-hui² Yang Dao-ping²

(Dept. of Petroleum Engineering, SWPI, Sichuan, 637001)

Received:1996-12-27 Revised:1900-01-01 Online:1997-04-20 Published:1997-04-20

Abstract

Abstract:

This paper analyzes the stress and deformation of casing string with casing stabilizers, deduces the calculation model of frictional drag of casing string in horizontal wells. The model takes into account the effect of stiffness of the string element and the effect of casing string stabilizers, and makes smoothing and interpolation to the measured well inclination data. The software based on the model is used to predict the frictional drag and hook load of running completion casing string in the experimental horizontal well (Well No. HW701) in Kelamayi oilfield, and the calculated results agree with the measured data.

Key words: Horizontal well, Casing running, Frictional force, Stress analysis, Casing string

CLC Number:

TE 256.2

He Shi-ming Guo Xiao-yang Xu Bi-hua Wang Zhao-hui Yang Dao-ping. Calculation of Frictional Drag of Casing Running in Horizontal Wells[J]. 西南石油大学学报(自然科学版), 1997, 19(2): 21-26.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.3863/j.issn.1000-2634.1997.02.05

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y1997/V19/I2/21

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Calculation of Frictional Drag of Casing Running in Horizontal Wells

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