Norman Wells oil line to be wintertime projects
Mobilization is underway for the first construction season on $1.3 billion (Canadian) Norman Wells oil pipeline between Norman Wells, N.W. Terr., and Zama, Alta. The 537-mile, 12-in. crude oil line is being built by Interprovincial Pipe Line Co., Ltd. Because of ground conditions in the Mackenzie River delta, where the pipeline will be installed, work must be done while the ground is frozen--essentially a 90-day period from Jan. through early April. Pipe for the line, all 12-in. nominal diameter, has wall thickness varying from 9.39 to 9.53 mm and is grade 5LX-52 with special notch toughness for Arctic use, achieved with additives to the steel plus special refined rolling techniques. The pipe is coated with extruded polyethylene and then shipped by truck and railcar.
- OSTI ID:
- 5765435
- Journal Information:
- Pipeline Gas J.; (United States), Journal Name: Pipeline Gas J.; (United States) Vol. 210:11; ISSN PLGJA
- Country of Publication:
- United States
- Language:
- English
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