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Pipelines

Worldwide Assessment of Industry Leak Detection Capabilities for Single and Multiphase Pipelines

Description: This project summarized the current issues for pipeline leak detection, including:

Identifying the state-of-the-art technologies used in pipeline leak detection; Assess the effectiveness of current leak detection technology; Evaluate the effect of multiphase flow conditions on leak detection technologies.

Banff/2001 Pipeline Workshop

Due to the aging condition of existing pipelines, a need exists to be aware of new managing techniques for pipeline integrity. The subject workshop will discuss such issues and provide a forum for the exchange of information. The Banff/01 Workshop, to be held in Banff, Canada, is the fifth in a series of workshops that Natural Resources Canada (NRC) has organized to address new pipeline technologies.

IUTAM Symposium: Scaling Laws in Ice Mechanics and Ice Dynamics

The aim of the symposium was to develop a better understanding of the ice deformation process and the role of ice movements in the atmosphere-ice- ocean-system. The major objective was to bring together the researchers who have made significant by various scales of the study of sea ice and those who have made contributions to the mechanics of sea ice and to establish a common understanding of the processes.

Type Testing of Check Valves for Pipeline Isolation Applications, Phase 2

This Joint Industry Project is aimed at validating the CFD/FEA data to allay concerns about valve integrity and to increase confidence in the tools and procedures used for the design of check valves. Full-scale tests will be performed on selected valve sizes relevant to large diameter pipelines carrying oil/gas both subsea and on-land.

This project was cancelled due to inadequate number of JIP participants.

Performance of Offshore Pipelines (POP)

This project tested and verified the accuracy of smart pigs and remaining strength or reliability methods. With the resources of Winmar, Rosen, Pipeline Integrity International and the University of California at Berkeley, several pipelines over a two-year period were smart pigged, and then over-pressured to failure.

This project was kicked off in May, 2000. The testing of the first pipeline candidate will occurred in October, 2000. The first test candidate was tested in May 2001 with three additional tests in the Summer 2001.

To Develop Shear Strength Maps of Shallow Sediments in the Gulf of Mexico

This project developed contour maps of shear strength for the Central and Western Gulf of Mexico shallow sediments for depths of 0, 5 and 10 feet below mud-line and from shoreline to ~300 ft water depths. Present regulations require that offshore pipelines be buried to a depth of 3 ft. below the mud-line in water depths of 200 ft. or less. An alternative in soft sediments is to allow pipelines to self-bury by virtue of their mass.

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