McDermott International‘s Derrick Barge 50 (DB50) has installed a drilling and production platform in the US Gulf of Mexico (GoM).
Installation work included the heavy-lift of a 3,250t jacket, which the company says is the record-largest jacket lifted by the vessel to-date.
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The six-pile platform was lifted by the DB50 in tie-back mode over the stern of the vessel in water depths of 391ft on an existing well site.
A 2,300t drilling and production deck was deployed on the jacket after the delivery of piles to a designed penetration of 430ft.
Following the platform installation, McDermott has secured additional transportation and installation contracts for the US GoM.
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McDermott expects to undertake the contracts using the DB50 in the first half of this year.
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By GlobalDataMcDermott International vice-president for Americas / Europe / Africa Scott Munro said: "This milestone for the DB50 further demonstrates that McDermott has the right assets to meet the demands of our clients.
"The project specified that the jacket be lifted, not launched, and our heavy-lift vessel fit the criteria, providing the flexibility required to install a jacket of this magnitude and its corresponding deck."
The company said the DB50 is capable of lifting surface loads of around 4,400t and lowering up to 480t in 11,500ft of water.
Image: The McDermott heavy-lift vessel, Derrick Barge 50, installed a 3,250t jacket in the Gulf of Mexico. Photo: courtesy of McDermott International.
