Schlumberger Oilfield Services, a division of Schlumberger Limited, is among the world s largest suppliers of exploration and production services, information solutions and technology to the international petroleum industry. The company performs formation evaluation, directional drilling, well cementing and stimulation operations. It offers consulting, software, data management and infrastructure services that support industry processes. Schlumberger Oilfield Services features the Scanner set of wireline logging solutions. The company s tools enable customers to accurately assess reserves. Collectively, the Schlumberger organization employs more than 80,000 people in 80-plus countries. The company has in excess of 20 research and engineering facilities worldwide. Through WesternGeco, a unit jointly owned with Baker Hughes, it provides advanced acquisition and seismic solutions for the group. Schlumberger Oilfield Services maintains a location in Midland, Texas.