Shell signed two offshore oil and gas Production Sharing Contracts (PSCs) with CNOOC, and a PSC amendment with CNPC for a new development phase for the Changbei gas field in China. Shell has also entered an agreement with CNOOC for its participation in two Shell exploration blocks offshore Gabon, West Africa. The two offshore oil and gas PSCs with CNOOC are for blocks 62/02 and 62/17 in the Yinggehai Basin. Shell, as operator, will apply advanced seismic acquisition and processing technologies to conduct 3D seismic data surveys in the Yinggehai blocks. Shell will cover the costs for the acquisition of seismic data and will use advanced drilling technologies to drill exploration wells during the exploration phase.