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Effect of wear on the burst strength of l-80 steel casing

Irawan, S. and Bharadwaj, A.M. and Temesgen, B. and Karuppanan, S. and Abdullah, M.Z.B. (2015) Effect of wear on the burst strength of l-80 steel casing. [["eprint_typename_conference\_item" not defined]]

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

Casing wear has recently become one of the areas of research interest in the oil and gas industry especially in extended reach well drilling. The burst strength of a worn out casing is one of the significantly affected mechanical properties and is yet an area where less research is done The most commonly used equations to calculate the resulting burst strength after wear are Barlow, the initial yield burst, the full yield burst and the rupture burst equations. The objective of this study was to estimate casing burst strength after wear through Finite Element Analysis (FEA). It included calculation and comparison of the different theoretical bursts pressures with the simulation results along with effect of different wear shapes on L-80 casing material. The von Misses stress was used in the estimation of the burst pressure. The result obtained shows that the casing burst strength decreases as the wear percentage increases. Moreover, the burst strength value of the casing obtained from the FEA has a higher value compared to the theoretical burst strength values. Casing with crescent shaped wear give the highest burst strength value when simulated under nonlinear analysis.

Item Type:["eprint_typename_conference\_item" not defined]
Impact Factor:cited By 2
Uncontrolled Keywords:Engineering research; Gas industry; Nonlinear analysis; Oil well drilling; Strengthening (metal); Well drilling, Burst pressures; Burst strength; Casing materials; Extended reach well; Oil and Gas Industry; Research interests; Rupture burst; Von Misses stress, Finite element method
ID Code:26152
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:30 Aug 2021 08:53
Last Modified:30 Aug 2021 08:53

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