Product Description SHARKSTAR ® HT high temperature, filtration control additive is a special modified starch derivative used to reduce filtration in most water-based drilling fluids including fresh water, seawater and saturated brine up to 300 °F. It is designed to replace SHARKSTAR ® in applications with the BHT>250°F. SHARKSTAR ® HT will encapsulate drill cuttings and …
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