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    Trenchless and Technical Drilling Fluids & Additives



    LTR can be used in cement slurries as either a dispersant in cement to increase compressive strength or as a retarder to delay the setting of the cement. LTR is effective with all Portland cements and generally added in concentrations from 0.1% and 2.5% by weight of cement. The sodium lignosulfonates are most effective at bottom hole […]

    Sodium Glucoheptonate

    Sodium Glucoheptonate is a product designed to extend the thickening time of oilwell cement slurries up to ~120°C BHCT. This retarder can be used in all normal Canadian cements, and is compatible with standard chemicals such as fluid loss additives, dispersants, silica flour, defoamers, and weighting materials. Oilfield Cementing: Typical dosage of Sodium Glucoheptonate ranges from 0.2 – […]

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