ROOT CAUSE ANALYSIS OF AN ABOVE-GROUND PIPELINE WITH STRESS CORROSION CRACKING

被引：0

作者：

Ralston, Kevin D. ^{[1
]}

Padgett, Barbara N. ^{[1
]}

Norfleet, David M. ^{[1
]}

Cao, Liu ^{[1
]}

Delanty, Burke S. ^{[2
]}

Klages, Mark B. ^{[2
]}

Beavers, John A. ^{[1
]}

Prewitt, Thomas J. ^{[1
]}

机构：

[1] DNV GL, Dublin, OH 43017 USA

[2] DNV GL, Calgary, AB, Canada

来源：

PROCEEDINGS OF THE 12TH INTERNATIONAL PIPELINE CONFERENCE, 2018, VOL 1 | 2018年

关键词：

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A comprehensive metallurgical investigation of multiple, externally-initiated, in-service leaks on an above-ground, oil emulsion (multiphase) pipeline concluded that the crack initiating mechanism was stress corrosion cracking (SCC). A technical root cause analysis (RCA) was performed, utilizing faults trees, to evaluate the potential contributors to the SCC from the time of construction through the identification of the first in-service leak. This paper outlines the RCA findings and current understating of the primary contributors given that SCC on above-ground, insulated carbon steel pipelines has not previously been reported.

引用

页数：13

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