China Oilfield Services Limited (COSL)

COSL has the largest and most diverse offshore oilfield services facilities in China. COSLs services not only cover offshore China and the Asia-Pacific regions, but also extend internationally to the Southeast Asia, the Middle East, the Americas, and Europe, the Africa, the Far East and touch more than thirty countries and areas around the world. In 2017 COSL operated thirty-three jack-ups, twelve semi-submersibles, five module rigs, and two accommodations rigs, totaling fifty-two various platforms. Supporting them were COSLs one-hundred-and-thirty working vessels, thirteen seismic survey ships, and more than four-hundred-and-thirty units of modern facilities and equipment for logging, directional drilling, drilling-fluids handling, cementing, and well workover services- all being augmented by COSLs self-developed logging-while-drilling tool, DRILOG, and COSLs rotary steering drilling tool, WELLEADER. That broad array of capabilities gives COSLs customers many options from which they can match their specific requirements to an appropriately efficient solution by choosing different combinations of stand-alone, integrated multi-service packaged, and turnkey services-configurations.