Schlumberger is the world’s leading oilfi eld services company supplying technology, information solutions and integrated project management that optimize reservoir performance for customer working in the oil and gas industry. Schlumberger supplies a wide range of products and services, from seismic acquisition and processing, drill bits and drilling fl uids, directional drilling and drilling services, formation evaluation and well testing to well cementing and stimulation, artifi cial lift and well completions and consulting, software and information management