Schlumberger Technology Corporation is an international oilfield services company that employees 100,000 people across more then 120 countries. The corporation has 4 principle offices located in Paris, Houston, London, and The Hague (Netherlands).
The company, founded in 1926, focuses on the "upstream" activity related to the sale of oil. This includes looking for oil, drilling for oil, and operating oil wells. Last year the company reported a $3.2 billion revenue.
Notable acquisitions by the company include the 2000 purchase of Westerngeco LLC.