Schlumberger Limited is one of the world's largest oilfield services companies. Schlumberger employs over 113,000 people of more than 140 nationalities working in approximately 85 countries. Its principal offices are in Houston, Paris, and the Hague. Schlumberger was founded in 1926 by French brothers Conrad and Marcel Schlumberger as the Societe de Prospection Electrique . The company recorded the first-ever electrical resistivity well log in Merkwiller-Pechelbronn, France in 1927. Today Schlumberger supplies the petroleum industry with services such as seismic acquisition and processing,... formation evaluation, well testing and directional drilling, well cementing and stimulation, artificial lift, well completions and consulting, and software and information management. The company is also involved in the groundwater extraction and carbon capture and storage industries. The brothers had experience conducting geophysical surveys in countries such as Romania, Canada, Serbia, South Africa, the Democratic Republic of the Congo, and the United States.
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| NYSE symbol: | SLB |
| Founded: | 1926 |
| Founders: | Conrad Schlumberger, Marcel Schlumberger |
| Headquarters: | The Hague, Netherlands |
| Annual revenue: | $27,564,770,000 |
| Net income: | $5,434,800,000 |
| Operating income: | $6,457,800,000 |
| Market cap: | $120,000,000,000 |
| Employees: | 105,000 |
| Industries: | Oilfield Services, Oil and Gas Field Services, NEC |