Chinese energy giant CNOOC this week made a bid to buy the Canadian production firm Nexen for $15.1bn (£9.8bn). Nexen is the second largest oil producer in the UK, outputting 114,000 barrels of oil equivalent per day (boepd). In another deal, China’s Sinopec purchased a 49% share of Talisman’s oil-and-gas assets in the UK for […]