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09475 Flow Induced Top of Line Corrosion in a Wet Gas Pipeline - Corrosion Model Use to Improve Operational Integrity

Picture for 09475 Flow Induced Top of Line Corrosion in a Wet Gas Pipeline - Corrosion Model Use to Improve Oper
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Product Number: 51300-09475-SG
ISBN: 09475 2009 CP
Author: Shihuai Wang
Publication Date: 2009
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$20.00
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An in-line integrity inspection revealed unusual, yet substantial top of line corrosion in a low flow, moderately corrosive wet gas pipeline, despite apparently successful bottom-of-line corrosion control. Following the in-line inspection a root-cause corrosion investigation was conducted, including further detailed analysis of the inline inspection data, a failure analysis of pipeline cut-out samples, and a corrosion modeling assessment using an in-house corrosion prediction tool. The corrosion modeling prediction, which provided a reasonable interpretation of where and why corrosion occurred, proved to be a major element in identifying the cause of the corrosion. Also, the corrosion modeling was key to identifying needed performance improvements for the pipeline corrosion control.
An in-line integrity inspection revealed unusual, yet substantial top of line corrosion in a low flow, moderately corrosive wet gas pipeline, despite apparently successful bottom-of-line corrosion control. Following the in-line inspection a root-cause corrosion investigation was conducted, including further detailed analysis of the inline inspection data, a failure analysis of pipeline cut-out samples, and a corrosion modeling assessment using an in-house corrosion prediction tool. The corrosion modeling prediction, which provided a reasonable interpretation of where and why corrosion occurred, proved to be a major element in identifying the cause of the corrosion. Also, the corrosion modeling was key to identifying needed performance improvements for the pipeline corrosion control.
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