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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

In-line-inspection (ILI) inertial measurement unit (IMU) data have been used to identify sections of pipelines bent or deflected by an outside force (e.g., a geohazard) for over 25 years, and particularly since the recent widespread adoption of the use of the IMU tool to more accurately map pipeline centerlines. In principle, the concept is simple: the ILI vendor reviews the IMU data and excludes construction related bends (e.g., sag bends, over bends, side bends). Bends that extend across one or more girth welds are inferred not to have been deliberately constructed and are reported by the vendor as “bending...

1
INTRODUCTION
2
BENDING STRAIN ANALYSIS
3
ANALYSIS OF BENDING STRAIN DATA
4
RESULTS
5
DISCUSSION
6
CONCLUSIONS
7
FURTHER RESEARCH
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