Qatar Petroleum (QP) and Qatar Shell GTL Ltd (Shell), a Royal Dutch/Shell subsidiary, have signed a Heads of Agreement (HoA) for the construction of the world’s largest gas-to-liquids (GTL) plant in Ras Laffan, Qatar at a cost of US$5 billion. The agreement was signed by Abdullah Bin Hamad Al-Attiyah, Qatar’s Second Deputy Prime Minister and…