NDLI: Technology Approaches for Northern Pipeline Developments

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Glover, Alan Zhou, Joe Blair, Brian
Copyright Year	2002
Abstract	Traditional pipeline technology will be severely challenged as developments continue in arctic regions. Cost-effective solutions to these challenges can be found through innovative technology and its implementation. TransCanada PipeLines has been involved in a series of technology programs that have been implemented in challenging climates including permafrost. In addition TransCanada is also involved in ongoing programs whose aim is to reduce the cost of Northern pipelines whilst at the same time provide structural assurance and reliability. This paper will describe the overall approach to developing cost-effective solutions and how these programs are interconnected. The topics to be covered will include the approach to strain-based design and how TransCanada has been taking advantage of the approach in its implementation of higher strength steels. The work also includes the approach taken in terms of the design for the effect of mismatch between the pipe and weld metal properties. The strain-based approach is also being extended to a structural reliability methodology and the work conducted to date will be briefly discussed. A significant portion of the design of a Northern pipeline relies on the development of a frost heave-thaw settlement methodology and the current philosophy and its validation will be discussed. A prime consideration of the regulatory bodies is the assurance of structural integrity and fracture control plans. The work currently ongoing at TransCanada on fracture safe behaviour will be discussed. Additional discussion on construction related topics will be covered including welding, buoyancy control, directional drilling and trenching.
Sponsorship	Pipeline Division
Starting Page	503
Ending Page	515
Page Count	13
File Format	PDF
ISBN	0791836207
DOI	10.1115/IPC2002-27293
e-ISBN	0791836045
Volume Number	4th International Pipeline Conference, Parts A and B
Conference Proceedings	2002 4th International Pipeline Conference
Language	English
Publisher Date	2002-09-29
Publisher Place	Calgary, Alberta, Canada
Access Restriction	Subscribed
Subject Keyword	Drilling Climate Construction Welding Pipelines Metals Buoyancy Permafrost Fracture (materials) Steel Design Fracture (process) Arctic region Reliability Pipes
Content Type	Text
Resource Type	Article

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