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Pipeline Integrity Management Under Geohazard Conditions (PIMG)

By
Mamdouh M. Salama
Mamdouh M. Salama
ConocoPhillips
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Yong-Yi Wang
Yong-Yi Wang
CRES
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Don West
Don West
Golder
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Alexander McKenzie-Johnson
Alexander McKenzie-Johnson
Geosyntec
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Azam B A-Rahman
Azam B A-Rahman
Petronas
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Guiyi Wu
Guiyi Wu
TWI
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Jens Petter Tronskar
Jens Petter Tronskar
DNVGL
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Jim Hart
Jim Hart
SSD Inc
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Bernt J. Leira
Bernt J. Leira
NTNU
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ISBN:
9780791861998
No. of Pages:
412
Publisher:
ASME Press
Publication date:
2020

This paper addresses the ability to image and monitor strain (or stress), both residual and applied, in pipelines and other carbon steel structures such as risers and vessels. Strain (or stress) monitoring is needed to assess pipeline integrity after events such as ground motion, operating excesses, and prolonged operation in extreme environments. Three techniques are described: (1) an in-line-inspection (ILI) tool, (2) an in-ditch or above ground imaging method, and (3) a permanently installed approach. Each of these methods uses MWM sensors and MWM-Arrays to make non-contact measurements of the steel’s magnetic properties, which are then correlated to strain...

2
Introduction
3
MWM Sensors
4
MWM-Arrays and MR-MWM-Arrays
5
QD-MSGs
6
Parallel Architecture Instrumentation
7
Grid and HyperLattice Methods
8
Coupon Static Stress Testing
9
Dynamic Testing of a Pipe Segment
10
Residual Stress for Welds
11
In-Line-Inspection (ILI) Tool
12
Summary
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