Petroleum Geo-Services sends shockwaves around the world. The company provides seismic data and other oil and gas data services to customers operating mainly in the North Sea and Gulf of Mexico. Geophysical services include acquiring and processing 2-D, 3-D, and 4-D seismic data, 4-D reservoir imaging, and reservoir characterization studies. Petroleum Geo-Services operates 16 seismic vessels, and has 21 seismic data processing centers and 35 offices worldwide. Petroleum Geo-Services' traditional business expertise lies in providing sophisticated marine seismic data for oil and gas exploration companies.