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Installation of 120-kilometre gas gathering line for the Trion field development – Mexico’s first ultra-deepwater oil production project – tying into the Sur de Texas pipeline laid by Allseas in 2018
Company: Woodside Energy (formerly BHP)
Location: Gulf of Mexico (350 kilometres northeast of Altamira, Mexico)
Water depth: 80 - 1900 metres
Mexico’s first ultra-deepwater production project
Ties in to the Allseas-laid Sur de Texas system
Scope of work
- Installation of 120-kilometre, 16-inch pipeline (incl. PLET & PLEM)
- Design & fabrication of J-mode PLET & S-mode PLEM
- Design & fabrication of overtrawlable PLEM protection structure
- DMA startup with S-Mode PLEM
- Supply of strakes for spans
- Procurement of pipeline anodes
- Transport line pipe to Mexico from CPW in Greece
- Setup pipe haul hub in Northeast Mexico for pipe logistics
- Flooding, gauging & testing subcontract
- Fabrication of buckle arrestors
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Specials & challenges
- First end PLEM start-up in S-Mode; installation on pre-installed mudmat
- First project following double-joint factory upgrade
- Logistics
- Weather preparation – GoM hurricanes
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