Schlumberger Oilfield Services supplies a wide range of products and services from formation evaluation through directional drilling, well cementing, stimulation, well completions and productivity. It serves the consulting, software, information management and IT infrastructure sectors that support core industry operational processes. The company is a business segment of Schlumberger Limited, one of the world s largest oilfield services company. Some of the products and services provided by Schlumberger Limited include artificial lift, coiled tubing, cementing, drilling, geophysical services, reservoir characterization and sand control. The firm has over 20 research and engineering facilities across the world and operates in more than 80 countries with a workforce of approximately 83,000 people.