Dispersant coated weighting agents

Details Dispersant coated weighting agents Dispersant coated weighting agents

C - Chemistry, Metallurgy

09

K

C09K 8/03 (2006.01)

Patent

CA 2661918

A method of formulating a wellbore fluid that includes providing a base fluid; and adding a sized weighting agent coated with a dispersant made by the method of dry blending a weighting agent and a dispersant to form a sized weighting agent coated with the dispersant is disclosed.

L'invention concerne un procédé de préparation de fluide de puits de forage qui consiste à prendre un fluide de base, à ajouter un produit alourdissant calibré revêtu d'un dispersant fabriqué par le procédé de mélange à sec de produit alourdissant et de dispersant afin de former un produit alourdissant calibré revêtu de dispersant.

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