Reuters | Oil prices edge up on North Sea pipeline outage, falling stocks Reuters Analysts from Barclays said they believed product inventory levels in industrialized nations were 2 percent below the 5-year average at the start of December compared with 10 percent above the 5-year average at the start of the year, with the drawdown ... Oil and gas supply disruptions ripple around the world Oil fights to stay positive as supply concerns niggle Oil Edges Up Amid Pipeline Outage |