Fluid loss additive for oil-based muds

Details Fluid loss additive for oil-based muds Fluid loss additive for oil-based muds

C - Chemistry, Metallurgy

09

K

C09K 8/36 (2006.01) E21B 21/14 (2006.01)

Patent

CA 2656375

A composition that includes a product resulting from a condensation reaction of quebracho with at least one organophilic species that includes a reactive amine is disclosed.

L'invention concerne une composition comprenant un produit qui résulte d'une réaction de condensation de quebracho avec au moins une espèce organophile comprenant une amine réactive.

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