WesternGeco's the world's largest seismic contracting company. It's a wholly-owned subsidiary of the international oilfield services corporation Schlumberger Limited. Business WesternGeco provides worldwide reservoir imaging, monitoring, and development services, and has the geophysical industry's most extensive survey crews and data processing centers and the world's largest multiclient data library. Its services include seismic surveys, reservoir management, and electromagnetic surveys. Geo… (More on Westerngeco)