Geoservices, part of the Schlumberger family

In 2010 Geoservices became part of the Schlumberger Drilling Group. Schlumberger is the world's leading oilfield services company supplying technology, information solutions and integrated project management that optimize reservoir performance for customers working in the oil and gas industry. Founded in 1926, today the company employs more than 105,000 people of over 140 nationalities working in approximately 80 countries.

Schlumberger has principal offices in Houston, Paris and The Hague. Revenue was $22.7 billion in 2009. Schlumberger stock is listed on the New York Stock Exchange, ticker symbol SLB, on the Euronext Paris, Euronext Amsterdam, London and the SWX Swiss stock exchanges.