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Cementing Engineering Technical Services

Cement sheath integrity solution

COSL provides anti-corrosion and self-healing cement slurry system for downhole complex geological conditions to ensure long-term integrity

PC-HealCEM self-healing cement slurry system

Intelligent response, self-healing oil and gas migration channel

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About Us

China Oilfield Services Limited (COSL) is the leading integrated oilfield services providers in the Asian offshore market. COSL’s four main services divisions—Geophysical Services, Drilling Services, Well Services, and Marine and Transportation Services—cover the exploration, development, and production phases of the oil and gas industry.

2015 China Oilfield Services Limited All Rights Reserved Record Number: Tianjin ICP NO. 17008252

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