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The Effects of Velocity on Magnetic Flux Leakage Inspection of Gas Pipelines

Nestleroth, J.B. and Davis, R.J. (1996) The Effects of Velocity on Magnetic Flux Leakage Inspection of Gas Pipelines. Working Paper. Rijksuniversiteit Groningen. Universiteitsbibliotheek.

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Objective To assess the effects of in-line inspection tool velocity on magnetic flux leakage signals from defects in natural gas transmission pipelines. Technical Perspective Magnetic flux leakage (MFL) is a common technique used to inspect large diameter gas transmission pipelines. With hundreds of thousands of miles of transmission pipeline in service, high inspection velocities are desirable. Also, the typical product flow velocity in transmission pipelines often exceeds 10 miles per hour, and tool velocity during an inspection can fluctuate widely. High inspection velocities, however, can compromise the ability of operators to accurately detect and characterize defects using in-line inspection tools.

Item Type: Monograph (Working Paper)
Series Name: 0
Language: English
Publisher: Rijksuniversiteit Groningen. Universiteitsbibliotheek
Status: Published
Date Deposited: 02 Jun 2020 10:44
Last Modified: 02 Jun 2020 10:44

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