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Water-based drilling mud most commonly consists of bentonite clay (gel) with additives such as barium sulfate (barite), calcium carbonate (chalk) or hematite. Various thickeners are used to influence the viscosity of the fluid, such as glycol, carboxymethylcellulose, polyanionic cellulose (PAC), or starch.

In turn, deflocculants are used to reduce viscosity of clay-based muds; anionic polyelectrolytes (e.g. acrylates, tannic acid derivates, lignosulfonates (Lig), polyphosphates) are frequently used. Red mud was the name for a Quebracho-based mixture. Other components are added to provide various specific functional characteristics as listed above.

Some other common additives for Obm and Wbm include lubricants, shale inhibitors, fluid loss additives (to control loss of drilling fluids into permeable formations). A weighting agent such as barite is added to increase the overall density of the drilling fluid so that sufficient bottom hole pressure can be maintained thereby preventing an unwanted (and often dangerous) influx of formation fluids.

Also, use of silica and clay nanoparticles for high pressure high temperature (HPHT) invert emulsion based muds, and observed their positive effect on the rheology of the drilling mud.


Specialty chemical solutions

Our extensive range of chemical solutions combine specialty chemical products and services for maximum performance and efficiency from your operations. Our commitment is to provide technical expertise and superior local service through cost-effective application of customized specialty chemicals for the life of the well.

Solutions to maximize deepwater operations

We offer a range of specialty chemicals to enhance performance and safety in deepwater systems. Our expertise means we can customize platform-specific chemical products and formulations for a particular system or producing condition.

Chemical solutions for optimum production

Following expert evaluation of each application, Duet Chemical works with you to develop site-specific products and formulations for customized solutions that ensure production systems operate at full potential.

Solutions to mitigate risk and protect pipeline integrity

Our Midstream Solutions Group works in conjunction with operations to service your pipeline assets, and proactively control and prevent pipeline failures using chemical inhibition programs that minimize internal corrosion.

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AZ1008, Fatali khan Khoyski str., 111


(+994) 12 564 07 51

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