Mark F. Elvig

Part of Core Laboratories, Inc., Catoni Persa Gözetme Ekspertiz ve Kontrolluk AS is a petroleum testing laboratory based in Istanbul, Turkey. The Turkish company was founded in 1983. Catoni Persa Gözetme Ekspertiz ve Kontrolluk was acquired by Core Laboratories NV on July 15, 2008 for $15.05 million.

Core Laboratories NV engages in the provision of proprietary and patented reservoir description, production enhancement, and reservoir management services to the oil and gas industry. It operates through the Reservoir Description segment and Production Enhancement segment. The Reservoir Description segment encompasses the characterization of petroleum reservoir rock, fluid, and gas samples and provides analytical and field services to characterize properties of crude oil and petroleum products. The Production Enhancement segment provides products and services relating to reservoir well completions, perforations, stimulations, and production. The company was founded in 1936 and is headquartered in Amsterdam, the Netherlands.