The unit is being built on speculation targeting marginal field developments and early production opportunities in the deep-water US Gulf.

Construction of the 7000-tonne hull should begin next spring with a delivery date of September 2008. The contract was signed in Houston earlier this week.

Exmar has also lined up Kiewit Offshore Services for the deck and hull integration work, which will take place at the company's Ingleside yard in Texas.

The