Schlumberger Limited (SLB) is an international oil and gas company with offices in Paris, Houston, London and The Hague. With 125 research and engineering facilities globally, the company delivers solutions for exploration, production and optimisation of reservoir performance. This includes technology, project management and data solutions. Schlumberger operates in 85 countries across 35 GeoMarket regions. The company employs approximately 100,000 people. The stock is traded on the New York Stock Exchange, the Euronext Amsterdam, the Euronext Paris, the London Stock Exchange (LSE) and the SIX Swiss Exchanges.