## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 4American Society of Mechanical Engineers, 1999 - Arctic regions |

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Page 25

The length of a

or a leak . The failure of a

defect . If the length of the resulting through wall defect is greater than a critical ...

The length of a

**corrosion**defect determines whether failure will result in a ruptureor a leak . The failure of a

**corrosion**defect leads to the creation of a through walldefect . If the length of the resulting through wall defect is greater than a critical ...

Page 44

SINGLE DEFECT The maximum allowable operating pressure , Pmao , for a

pipeline with a

Eq . 1 21 SMTS ( 1 - Ya ( d / 1 ) * ) Pcorr = 1 m ( D - 1 ) Ya ( d / t ) * e where " ( -3 1

...

SINGLE DEFECT The maximum allowable operating pressure , Pmao , for a

pipeline with a

**corrosion**defect is not allowed to exceed the following pressure :Eq . 1 21 SMTS ( 1 - Ya ( d / 1 ) * ) Pcorr = 1 m ( D - 1 ) Ya ( d / t ) * e where " ( -3 1

...

Page 48

The primary challenge is then to estimate the

uncertainty of the estimate . ... calibrated design equations for determination of

the allowable operating pressure of

Classes .

The primary challenge is then to estimate the

**corrosion**rate and to indicate theuncertainty of the estimate . ... calibrated design equations for determination of

the allowable operating pressure of

**corroded**pipelines for different SafetyClasses .

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### Contents

PIPELINE RELIABILITY AND LIMIT STATES DESIGN | 1 |

DESIGN OF PIPELINES AND RISERS | 5 |

OMAE99PIPE5019 | 21 |

Copyright | |

22 other sections not shown

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### Common terms and phrases

acceptable allowable analysis applied approach ASME assessment associated assumed axial bending branch buckling calculated capacity Conference considered construction Copyright corrosion cost crack defect defined deformation dent depth described determine developed diameter direction displacement effect element Engineering equation factor failure field Figure finite element force fracture function fuzzy given heat increase initial input inspection installation internal internal pressure length limit load material maximum measured Mechanics method modes neural networks obtained occur Offshore operating parameters performed pipe pipeline plastic possible predicted presented pressure probability problem range reduce reliability represent respectively risk safety sand shown shows soil specified specimens standard steel strain strength stress structural surface Table Technology temperature valve wall thickness weld yield