Two-year contracts for Constellation’s semi-sub trio

The Brazilian offshore drilling firm Constellation has been awarded three new contracts with Petrobras for its offshore drilling rigs.

Constellation said Monday that Petrobras had hired its three ultra-deepwater semi-submersible drilling rigs Alpha Star, Gold Star, and Lone Star. The contracts are for two years each. All three rigs entered service in the 2010-2011 period.

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