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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 describes a tensile strain capacity (TSC) prediction model and how ~ 100 full-scale pipe strain capacity tests were used to derive a safety factor for use in either pipeline design or strain-based engineering critical assessment (SBECA). The safety factor accounts for the difference between model predictions and test results thus providing a quantifiable degree of reliability. The safety factor is generated from a 95% upper confidence limit on the ratio of predicted-to-measured TSC. The practical meaning of this is that if either TSC or tolerable defect size is calculated using the model, then the probability of being...

INTRODUCTION
OVERVIEW OF FULL-SCALE TESTING
PIPELINE DESIGN AND TSC PREDICTION
THE BENCHMARK CASES
USE OF THE TSC PREDICTION TECHNOLOGY
SUMMARY
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