Home | Investor | Customer
中文|English
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

Solutions for complex well conditions

COSL has formed cement slurry system and related cementing technologies for the technical problems of complex well conditions such as fracturing wells, salt-gypsum wells, and shallow gas wells, and can provide targeted solutions.

PC-FlexCEM cement slurry system

Good toughness and elasticity, help to maintain the cement sheath integrity.

PC-SaltCEM cement slurry system

Good salt resistance, effectively preventing the creep and collapse of the sa...

PC-ResinSeal Cement Slurry System

Good anti-gas migration ability, also good anti-corrosion ability and anti-po...

PC-GasSeal Cement Slurry System

The combination of various anti-gas migration additives, physical and chemica...

Related Information

PC-GasSeal

The combination of various anti-gas migration additives, physical and chemica...


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

Quick Links