Schlumberger N.V. is a global technology company. The Company operates through four segments: Digital & Integration, Reservoir Performance, Well Construction, and Production Systems. The Digital & Integration segment combines its digital solutions and data products with its integrated offering of asset performance solutions. The Reservoir Performance segment consists of reservoir-centric technologies and services that are critical to optimizing reservoir productivity and performance. The Well Construction segment combines the full portfolio of products and services to optimize well placement and performance, maximize drilling efficiency, and improve wellbore assurance. The Production Systems segment develops technologies and provides expertise that enhance production and recovery from subsurface reservoirs to the surface, into pipelines, and to refineries. The Company's primary customers are national oil companies, integrated oil companies and independent operators.