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51312-01315-COATING ASPECTS IN THE DUTCH NORTH-SOUTH PIPELINE

Product Number: 51312-01315-SG
ISBN: 01315 2012 CP
Author: Arie M. Dam
Publication Date: 2012
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$20.00
$20.00
In the Netherlands a 485 km (300 mi.) 48 inch diameter high pressure (80 bar 1200 PSI) natural gas pipeline is being constructed. A large part (> 15%) of the pipeline is constructed trenchless in which horizontal directional drillings (HDD) e.g. with the “Direct Pipe” system up till 1400 m (4600 feet) length are used. This way of constructing is not only demanding from a construction point of view but also set high demands on the quality and strength of the coating of the steel pipes that is used. For this task mill and field joint coating systems were selected. Partly the selected coating systems are new in the industry. In the paper an overview is given of: The diverse constructions used and the demands they deliver for the coating the coating systems chosen both mill and field coating tests and historical results on which the choices are based the quality checks involved results and experiences obtained Besides the overviews some practical cases are discussed.
In the Netherlands a 485 km (300 mi.) 48 inch diameter high pressure (80 bar 1200 PSI) natural gas pipeline is being constructed. A large part (> 15%) of the pipeline is constructed trenchless in which horizontal directional drillings (HDD) e.g. with the “Direct Pipe” system up till 1400 m (4600 feet) length are used. This way of constructing is not only demanding from a construction point of view but also set high demands on the quality and strength of the coating of the steel pipes that is used. For this task mill and field joint coating systems were selected. Partly the selected coating systems are new in the industry. In the paper an overview is given of: The diverse constructions used and the demands they deliver for the coating the coating systems chosen both mill and field coating tests and historical results on which the choices are based the quality checks involved results and experiences obtained Besides the overviews some practical cases are discussed.
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