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Integrated Services
Geophysics
Geotechnical Surveying
Drilling
Directional Drilling
Logging
Drilling & Completion Fluids
Cementing
Workover
Production and Optimization
Geological&Reservoir
Well Completion
Liftboats & Accommodation Rigs
Marine Support Vessels
Unconventional Resources
Customer Appreciation
Business World-wide
EPS
Cementing Engineering Technical Services

Regular workover service

COSL possesses workover crews of more than 2600 engineers by now, including more than 60 supervisors; in charge of operation and management of 139 sets of workover rigs; conducts annual workover operation more than 1200 wells; locates operating zone mainly in China Sea, Gulf of Mexico, Southeast Asia and Middle East.

Possess Workover Crews

2600 engineers

COSL possesses workover crews of more
than 2600 engineers by now, including
more than 60 supervisors

Operation and Management

139 sets

In charge of operation and management
of 139 sets of workover rigs

Conduct Annual Workover

1200 wells

Conducts annual workover operation
more than 1200 wells

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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