Oil edged up towards $64 a barrel on Tuesday, supported by the Forties pipeline outage in the North Sea, OPEC-led supply cuts and expectations that U.S. crude inventories fell for a fifth week. Rising output in the United States put a lid on gains, however. Shale production will rise to a record in January, according to a government forecast published on Monday, as higher prices encourage companies to pump more. Brent crude LCOc1, the global benchmark, was up 16 cents to $63.57 a barrel at 0943 GMT. U.S. crude CLc1 gained 31 cents to $57.47. The unplanned shutdown of Forties since last week has supported Brent in particular, as Forties is the largest of the North Sea crude grades that underpin the benchmark. Brent reached $65.83, its highest since mid-2015, on Dec. 12. “This should ensure buying pressures remain at the fore of the Brent structure […]