HH the Emir Sheikh Tamim bin Hamad al-Thani met the CEO of Royal Dutch Shell Ben van Beurden and Managing Director and Chairman at Qatar Shell Companies Michiel Kool, at the Emiri Diwan yesterday. The meeting reviewed means to enhance co-operation. And HE the Prime Minister and Minister of Interior Sheikh Abdullah bin Nasser bin Khalifa al-Thani met the CEO of Royal Dutch Shell Ben van Beurden and Managing Director and Chairman at Qatar Shell Companies Michiel Kool. The meeting reviewed aspects of co-operation and means to enhance and develop them.