UPDATE 1-Seadrill unit's deal with Russia's Rosneft postponed again
April 17, 2015 at 04:09 AM EDT
OSLO, April 17 (Reuters) - North Atlantic Drilling, a subsidiary of offshore rig company Seadrill, has delayed closing a cooperation deal with Russia's Rosneft by two years and agreed to renegotiate the terms of the agreement, it said on Friday.