The 16,700-dwt Elisalex Schulte (built 2011) has been taken on an unspecified long-term contract from the German owner.
It will work in the offshore lightering areas of the Gulf.
OW said the ship can pump more than 1,000 tonnes per hour.
Denmark's OW Bunker has chartered a Schulte tanker for operations in the US Gulf.
The 16,700-dwt Elisalex Schulte (built 2011) has been taken on an unspecified long-term contract from the German owner.
It will work in the offshore lightering areas of the Gulf.
OW said the ship can pump more than 1,000 tonnes per hour.