UPDATE 2-Shell opens its first post-Macondo platform in U.S. Gulf
February 04, 2014 at 17:59 PM EST
HOUSTON, Feb 4 (Reuters) - Royal Dutch Shell said on Tuesday it is ramping up production at its newest Gulf of Mexico oil and gas platform, its first to start up after BP Plc's 2010 Macondo oil spill fouled the basin and stopped drilling for months.