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Engineering, procurement, construction & installation of three short 24-inch pipelines for the Hebron GBS platform’s offshore loading system (OLS) in the Jeanne d’Arc Basin, west of Newfoundland, Canada.
Company: ExxonMobil Canada
Location: Grand Banks, 350 km southeast of St John’s, Newfoundland, Canada
93 m
Max. water depth
Scope of work
- Engineering, procurement, construction & installation of 3x approx. 2-km, 24-inch concrete-weight-coated pipelines
- Pre-lay & post-lay survey
- Flooding, gauging & testing of the pipelines
- Fabrication of pipeline heads, anodes & installation aids
3x 24-inch
concrete-weight-coated pipelines
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Specials & challenges
- Wintertime installation in volatile area known as ‘Iceberg Alley’
- Last-minute re-engineering to accommodate change of installation vessel
- First-time commercial use of in-house AUT system for NDT of welds
‘Iceberg Alley’
Wintertime installation
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