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Thinners and Dispersants

Manage the impact of drilled solids in drilling fluids

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M-I SWACO offers a line of thinners and dispersants that are specially designed to modify the relationship between the viscosity and percentage of solids in drilling fluids. We provide thinners for most water-, oil-, and synthetic-based drilling fluids.

Water-Based Thinners
TANNATHIN Thinner and fluid loss control ground lignite
THINSMART Water-based drilling fluid thinner
SPERSENE CF Chrome-free lignosulfonate
XP-20N Neutralized chrome lignite sodium hydroxide additive

Nonaqueous Thinners
RheThin Flat rheology system thinner
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Product Sheet SPERSENE Chrome Lignosulfonate

Used in all water-base systems.

Product Sheet TANNATHIN Thinner and Fluid Loss Control Ground Lignite

Used to reduce fluid loss and deflocculate water-base muds.

Product Sheet THINSMART Water-Based Drilling Fluid Thinner

Used to control the rheological and fluid-loss properties of water-base drilling fluids.

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