Transocean (RIG -0.2%) was excluded from a government investigation of the Chevron oil spill in...

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

Transocean (RIG -0.2%) was excluded from a government investigation of the Chevron oil spill in Brazil last year, according to Bloomberg. Sources say that regulators are pinning the blame on a miscalculation by Chevron on the pressure it should have used to drill the offshore well.