Core Laboratories N.V. provides reservoir description, production enhancement, and reservoir management services to the oil and gas industry worldwide. The company's reservoir description services comprise the characterization of petroleum reservoir rock, fluid, and gas samples; and provision of analytical and field services to characterize properties of crude oil and petroleum products. Its production enhancement products and services relate to reservoir well completions, perforations, stimulations, and production, as well as include integrated services to evaluate the effectiveness of well completions and to develop solutions to increase the effectiveness of enhanced oil recovery projects. The company's reservoir management services consist of the combination and integration of information from reservoir description and production enhancement services to increase production and enhance recovery of oil and gas from clients' reservoirs. Core Laboratories N.V. markets and sells its services and products through sales representatives, technical seminars, trade shows, and print advertising, as well as through direct sales force, technical experts, operating managers, sales representatives, and distributors in various markets. The company was founded in 1936 and is based in Amsterdam, the Netherlands.