Core Laboratories NV, is a Netherlands limited liability company established in 1936, engaged in providing proprietary and patented reservoir description, production enhancement and reservoir management services to the oil and gas industry. It provides services and design and products which enable its clients to evaluate reservoir performance and increase oil and gas recovery from new and existing fields. These services and products are generally in demand when its clients are investing capital in the exploration and development efforts for new fields or to increase productivity in existing fields. Its business units have been aggregated into three complementary segments: Reservoir Description, which 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; Production Enhancement, which includes products and services relating to reservoir well completions, perforations, stimulation and production. It provides integrated services to evaluate the effectiveness of well completions and to develop solutions aimed at increasing the effectiveness of enhanced oil recovery projects; and Reservoir Management, which combines and integrates information from reservoir, Company markets and sells its services and products through a combination of sales representatives, technical seminars, trade shows and print advertising.