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PORT FOURCHON, La. - Crewmen aboard the motor vessel Joe Griffin guide a cofferdam onto the deck as the ship prepares to depart Wild Well Control, May 5, 2010. The chamber was designed to contain the oil discharge, that was a result of the Deepwater Horizon incident, before it reaches the surface. U.S. Coast Guard photo by Petty Officer 3rd Class Patrick Kelley.

Transocean had BOP 'issue' on India rig

Transocean is looking into another blowout preventer "issue” involving its drillship Discoverer Seven Seas off India earlier this year as part of its overall investigation into the reliability of its equipment and the performance of its global deep-water rig fleet.