Shares of Transocean (RIG -0.8%) are getting hit after the U.S. Coast Guard issues a notice to...

|About: Transocean Ltd. (RIG)|By:, SA News Editor

Shares of Transocean (RIG -0.8%) are getting hit after the U.S. Coast Guard issues a notice to the company regarding a series of sheen sightings in the area of its Mississippi Canyon block 252.  The residue indicates a possible release of oil from a riser pipe or other debris on the ocean floor from the Deepwater Horizon incident.