The $806 million letter of intent covers a period of 1733 days, running from 1 October next year to June 2012, yielding an average dayrate of about $465,000.



The West Navigator is currently on a fixed well-contract for eight firm and four option wells. Seadrill has previously stated that the dayrate for the firm wells would be about $230,000 and between $250,000 and $270,000 for the option wells.



Under