Schlumberger Limited is the world's largest oilfield services company. Schlumberger employs approximately 105,000 people representing more than 140 nationalities working in more than 85 countries. Schlumberger has four principal executive offices located in Paris, Houston, London, and the Hague.

Schlumberger Limited is the world's largest oilfield services company. Schlumberger employs approximately 105,000 people representing more than 140 nationalities working in more than 85 countries. Schlumberger has four principal executive offices located in Paris, Houston, London, and the Hague.