Petroleum Geo-Services ASA engages in the provision of geophysical services. It operates through the following segments: Marine Contract, MultiClient, and Others. The Marine Contract segment acquires seismic data for oil and gas exploration and production companies. The MultiClient segment initiates and manages seismic surveys which the firm acquires, processes, markets, and sells to multiple customers on a non-exclusive basis. The Others segment includes corporate overhead and significant charges that do not relate to the operations. The company was founded in August 1991 and is headquartered in Oslo, Norway.