Core Laboratories N.V. provides reservoir description, production enhancement, and reservoir management services to the oil and gas industry in the United States, Canada, and internationally. It operates through three segments: Reservoir Description, Production Enhancement, and Reservoir Management. The Reservoir Description segment comprises the characterization of petroleum reservoir rock, fluid, and gas samples. This segment offers analytical and field services to characterize properties of crude oil and petroleum products to the oil and gas industry. The Production Enhancement segment includes services and products relating to reservoir well completions, perforations, stimulations, and production. This segment offers integrated services to evaluate the effectiveness of well completions and to develop solutions to enhance the effectiveness of enhanced oil recovery projects. The Reservoir Management segment combines and integrates information from reservoir description, as well as provides production enhancement services to increase the production and improve recovery of oil and gas from its client s reservoirs. The company markets and sells its products through a combination of sales representatives, technical seminars, trade shows, and print advertising, as well as through distributors. Core Laboratories N.V. was founded in 1936 and is based in Amsterdam, the Netherlands.