Schlumberger N.V. is an American oilfield services company. It supplies technology, integrated project management, and information solutions to the oil and gas exploration and production industries around the globe. Its business is divided into four units: Digital & Integration, Reservoir Performance, Well Construction and Production Systems. The company develops digital workflow solutions and seismic data interpretation and management businesses tailor-made for the oil and gas industries. Its Reservoir Performance units create reservoir-targeting technologies and services to improve reservoir productivity and performance. Its Well Construction unit provides management and development services and products related to designing and building a well. The company was founded by Conrad Schlumberger and Marcel Schlumberger in 1926 and is headquartered in Houston, Texas.