EMAS AMC completes two deepwater GoM subsea tiebacks for Noble Energy

Offshore staff

SINGAPORE EMAS AMC has successfully completed the first two of three Noble Energy-operated subsea tieback projects in the US Gulf of Mexico.

The scope of work included project management, fabrication, and installation of 8-in. steel catenary risers and 40 mi (64 km) of 8-in. and 12-in. pipe-in-pipe for the Big Bend and Dantzler field development projects in 7,000 ft (2,100 m) of water depth.

It also included the design, fabrication, and installation of eight subsea structures weighing up to 100 metric tons (110 tons) each.

Since May 2015, Lewek Constellation has conducted more than 30 heavy lifts between 900 and 2,200 metric tons (992 and 2,425 tons) transferring rigid pipe reels, many of them in open water locations, for the Big Bend and Dantzler projects.

This use of multiple, transportable reels combined with heavy-lift capability reduces the transit time and eliminates the need for direct spooling by the installation vessel, keeping the vessel in pipe-lay mode throughout the entire project, said EMAS AMC.

Lewek Constellation and Lewek Connector are now mobilized to lay the pipeline and umbilicals on the Noble Energy-operated Gunflint development project.


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