Core Laboratories N.V. provides reservoir description, production enhancement and reservoir management services to the oil and gas industry. The Company operates through three segments: Reservoir Description, Production Enhancement and Reservoir Management. The Reservoir Description segment encompasses the characterization of petroleum reservoir rock, fluid and gas samples. It provides analytical and field services to characterize properties of crude oil and petroleum products to the oil and gas industry. The Production Enhancement segment includes products and services relating to reservoir well completions, perforations, stimulations and production. It provides integrated diagnostic services to evaluate the effectiveness of well completions. The Reservoir Management segment combines and integrates information from reservoir description and production enhancement services to increase production and recovery of oil and gas from its clients' reservoirs.