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|Subsidiary of Schlumberger Limited|
Number of employees
The company was founded by Gaston Rebilly in 1958 and based in Paris, France. Geoservices had approximately 5000 employees in 52 countries when it was acquired by Schlumberger Limited for $1.07 billion dollars in March 2010 from Gaston Rebilly and his family. 
- Daneshkhu, Scheherazade (24 March 2010). "Schlumberger in $1bn deal for Géoservices". Financial Times. Retrieved 22 March 2018.
- Gelsi, Steve (Mar 25, 2010). "Schlubmerger paying $1.1 bln for 'mud logger' Geoservices". MarketWatch. Retrieved 22 March 2018.