CO9

China Oilfield Services Limited, together with its subsidiaries, provides integrated offshore oilfield services in Mainland China and internationally. The company operates through four segments: Geophysical Services, Drilling Services, Well Services, and Marine and Transportation Services. The Geophysical Services segment provides marine seismic acquisition, seismic data processing and interpretation, geo-technical survey, geotechnical and marine environmental investigation, subsea engineering, deep water engineering surveying, groundwork and foundation construction engineering, offshore engineering support, consulting services, and equipment manufacture.