Seismic trio PGS, TGS and WesternGeco have secured a multi-year contract with Petronas to carry out an extensive 3D survey in the Sarawak basin off Malaysia.

The award covers acquisition and processing of 105,000 square kilometres of multi-client 3D data in a multi-phase programme aimed at promoting exploration in the East Natuna sub-basin of the prolific Sarawak basin, including the Deepwater North Luconia and West Luconia provinces.