Safety, Reliability and Risks Associated With Water, Oil and Gas Pipelines

by Pluvinage, Guy; Elwany, Mohamed Hamdy

• ISBN13: 9781402065255
• ISBN10: 1402065256
• Format: Paperback
• Copyright: 2007-12-04
• Publisher: Springer Verlag

Summary

Pipes are of major importance for transport of liquids and gas mainly for water, natural gas and oil. The total length of gas pipes in the world is estimated at one million kilometres for gas transport (pipes with a diameter of 80 to 1000 mm). Pipelines remain the least expensive transcontinental mean of transport compared to rail-bound or terrestrial transport. It has become increasingly paramount to ensure the safe utilisation of such plant in order to prevent economical, social and ecological losses. From a technical point of view, pipelines are complicated three dimensional structures that include straight pipes, nozzles, pipe-bends, dissimilar welded joints, etc. In addition, their operating conditions can be quite severe, that is, internal pressure and cyclic loading (vibration) combined with the influence of internal and external corrosive environments. The external defects, e.g., corrosion defects, gouge, foreign object scratches, and pipeline erection activities are major failure reasons of gas pipelines. All these types of defects and associated failure are described. Leak and fracture of pipes is assumed to be done by initiation and propagation of defect and final failure when defect has reached a critical length. In this book, the three two major defect assessment tools for pipes are presented : i) the failure assessment diagram and particularly the SINTAP procedure, ii) limit analysis, iii) strain design approach Methods of defect repair are based on investigation findings. Methods such as welded sleeve, repair clamp composite sleeve, grinding, pipe replacement are described.

Table of Contents

Preface

General Approaches of Pipeline Defect Assessment

Application of Sintap to the Failure Assessment of a Gas Pipes

Interaction between Material Properties, Inspection Accuracy and Defect Acceptance Levels in Strain Based Pipeline Design

Failure of Cylindrical Shells: Numerical and Experimental Study

Leak Detection by Using the Impedance Method

Corrosion Fatigue Cracking and Failure Risk Assessment of Pipelines

Initiation of Stress Corrosion Cracking and Hydrogen Induced Crackin in Oil and Gas Line-Pipe Steels

Failure Analysis of Polyethylene Gas Pipes

Stable and Unstable Crack Growth in Pipes

Some Insights into the Fatigue Crack Propagation in Tubes under Internal Pressure - Proposition of Predicting Models

Hydrogen Effect on Fatigue Life of a Pipe Steel

The Experience on Safety, Reliability and Risk Assessment of Some Ukrainian, Russian and Latvian Transite Pipe Lines

Reliability Assessment of Pipelines Using Phimeca Software

On a New Software Project for Welding Simulations of Pipes (Fabrications, Repairs...) and for the Evaluation of Fatigue Behavior of Pipes in Service

Welded Penstock, Produced of High Strength Steel and Application of Fracture Mechanics Parameters to Structural Integrity Assessment

The Thermal and Mechanical Behavior of a Joint Pipe System Calculated by Finite Element Method

Degradation of the Physical and Mechanical Properties of Pipeline Material Depending on Exploitation Term

Deformation Characteristics of Carbon Steels under High Temperatures

Fracture Mechanics Analysis of Repairing a Cracked Pressure Pipe with a Composite Sleeve

Review of Gas Transmission Pipeline Repair Methods

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