TGS-NOPEC Geophysical Company maps strata to strategically search for subsurface stores. The company develops, manages, conducts, and sells seismic surveys with operations in North and South America, Europe, Africa, Asia, and Australia. Through gravity, magnetic, 2-D, and 3-D seismic data technologies, it provides comprehensive images to aid in the exploration of oil and gas. Most of the company's revenues are generated by selling licenses to non-exclusive (or multi-client) geoscientific data. It also offers well-log data. TGS-NOPEC's geophysical products library contains about 2.3 million line kilometers of 2-D seismic data and approximately 94,000 sq. kilometers of 3-D seismic data.