Core Laboratories N.V. provides reservoir description, and production enhancement services and products to the oil and gas industry in the United States, Canada, and internationally. It operates in two segments, Reservoir Description and Production Enhancement segments. The Reservoir Description segment comprises the characterization of petroleum reservoir rock, fluid, and gas samples to enhance production and improve recovery of oil and gas from its clients' reservoirs. This segment offers laboratory-based analytical and field services to characterize properties of crude oil and petroleum products to the oil and gas industry. It also provides proprietary and joint industry studies. The Production Enhancement segment includes services and products relating to reservoir well completions, perforations, stimulations, and production. This segment offers integrated diagnostic services to evaluate and monitor the effectiveness of well completions and to develop solutions to improve the effectiveness of enhanced oil recovery projects. 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.