inputs: hypothesis: Statfjord is located to the west of Bergen. premise: Petroleum Safety Authority Norway said in a press release that it is demobilizing disaster teams and beginning to prepare for its investigation of the incident. It will also closely follow StatoilHydro's clean-up. Statfjord is 200 km (124 miles) off the coast of Norway, located to the east of Bergen. It is an oil and gas field in the Norwegian sector of the North Sea, though approximately 15% of it is in the United Kingdom's waters. At peak production, it produces over 700,000 barrels of oil per day. The field is one of the largest known under-sea oil fields in the world.