WASHINGTON, March 14 (Reuters) - A U.S. Interior Departmentreview of Royal Dutch Shell's 2012 drilling season in the Arcticreleased on Thursday called for the company to submit acomprehensive plan integrating all of its operations fordrilling in offshore Alaska.
The review also found that Shell had problems overseeing itscontractors as it attempted to carry out preparatory drillinglast year.