Analysis for Longitudinal Vibration of the Coiled Tubing

doi:10.3863/j.issn.1000-2634.1998.01.014

西南石油大学学报(自然科学版) ›› 1998, Vol. 20 ›› Issue (1): 59-60.DOI: 10.3863/j.issn.1000-2634.1998.01.014

• 钻采工艺与设备 • Previous Articles Next Articles

Analysis for Longitudinal Vibration of the Coiled Tubing

Cai yaxi¹ Shi Taihe¹ Wang Youjing²

Dept. of Petroleum Exploration, SWPI, Sichuan, 637001

Received:1997-10-13 Revised:1900-01-01 Online:1998-02-20 Published:1998-02-20
Contact: Cai yaxi

Abstract

Abstract: This paper studies the affection that the flowing force of fluid inside coiled tubing is correlated to longitudinal vibration of coiled tubing. After building a differential equation for longitudinal vibration of coiled tubing considering fluid hydrodynamic force, the frequency equation on longitudinal vibration of coiled tubing is obtained. It is an attempt to explore the affection of fluid inside coiled tubing on law of longitudinal vibration of coiled tubing.

Key words: Tubing failure, Fatigue failure, Tubing string, Vibration, Flowing pressure

CLC Number:

TE831.2

Cai yaxi Shi Taihe Wang Youjing. Analysis for Longitudinal Vibration of the Coiled Tubing[J]. 西南石油大学学报(自然科学版), 1998, 20(1): 59-60.

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Analysis for Longitudinal Vibration of the Coiled Tubing

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