BP has given contracts to McDermott International and Baker Hughes (BHGE) for subsea umbilicals, risers and flowlines (Surf) and subsea production system equipment for the Greater Tortue Ahmeyim natural gas project offshore Mauritania and Senegal. The companies are working together to realise efficiencies for the project, which reached a final investment decision in December.The initial subsea infrastructure will connect the first four of 12 wells consolidated through production pipelines leading to a floating production, storage and offloading (FPSO) vessel.