After years of delays the Kuwait National Petroleum Company (KNPC) looks as though it will finally go ahead with plans to build the Middle East’s largest oil refinery.Five international engineering firms have submitted tenders to win the project management and consultancy contract for the Al-Zour refinery, including US-based Foster Wheeler and Fluor Corp, Australia's WorleyParsons, France's Technip, and Britain’s Amec. The government is expected to announce the results next month, a senior executive from KNPC told Reuters.“The…