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Address: Calle San Román No. 100 Col.San Joaquín C.P. 24157, Ciudad del Carmen, Campeche,Mexico

Tel: +52 (938) 118 1288

Web: http://www.cosl.com/

Company description

China Oilfield Services Limited(“COSL” )is the leading integrated oilfield services provider in the offshore China market. Its services cover each phase of offshore oil and gas exploration, development and production. Its four core business segments are geophysical services, drilling services, well services, marine support and transportation services. COSL has listed its H shares on the Main Board of the Stock Exchange of Hong Kong Limited “HKSE” since 20 November 2002 under the ticker 2883. Since 26 March 2004, COSL’s stocks can be traded by means of Level I unlisted American Depositary Receipts at OTC over-the-counter market in the United States. The ticker symbol is CHOLY. COSL has listed its A shares on Shanghai Stock Exchange “SSE” under the ticker 601808 since 28 September 2007. In Mexico, COSL estabilshed its offices in 2007 to serve the growing offshore market. At the end of 2012 the company had 10 operating rigs in the country and is looking to become an essential partner to PEMEX in their offshore exploration efforts.

Products and services

Drilling Rigs Accommodation Rigs Module Rigs Land Drilling Rigs

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