Drill-in and Completion Fluid Systems

Cosl has integrated reservoir drilling and opening fluid, completion fluid and reservoir protection evaluation technology, constructed the working fluid system from the beginning of reservoir drilling to completion operation, and can provide customers with targeted drilling and opening fluid and completion fluid solutions.

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VirtualMud

Wellbore Strengthening ProHydraulic PoreBridge

EZFLOW Non-Gel Breaking Water-based Drill-in Fluid

Save operation time, simplify operation process, eliminate the cost of cake r...

HTODRILL High Temperature High Density Nonaqueous Drilling Fluid

HTODRILL solve high temperature stability, suspension stability and other pro...

FLATPRO Deep Water Flat Rheology Synthetic Based Drilling Fluid

FLATPRO solve the problems such as narrow safe density window drilling in dee...

FLATPRO Deep Water Flat Rheology Synthetic Based Drilling Fluid

FLATPRO solve the problems such as narrow safe density window drilling in dee...

BIODRILL A Environmentally Friendly Water-based Drilling Fluid

Low biotoxicity, recyclable and reusable, BIODRILL A suitable for environment...

HEM Deepwater High Performance Water-based Drilling

Excellent mud shale inhibition and hydrate inhibition, suitable for mud shale...