Process for coating gravel pack sand with polymeric breaker

Details Process for coating gravel pack sand with polymeric breaker Process for coating gravel pack sand with polymeric breaker

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) B05D 7/00 (2006.01) C09K 3/00 (2006.01)

Patent

CA 2654871

A process for making a coated substrate that includes: treating a proppant with a coating agent, wherein the coating agent comprises at least one of monomeric alpha- hydroxycarboxylic acids, alpha-hydroxycarboxylic acid polymers, and combinations thereof; reacting the treated proppant to form a polymer coated proppant; and recovering the polymer coated, proppant is disclosed.

La présente invention concerne un procédé pour fabriquer un substrat revêtu qui comprend : le traitement d'un agent de soutènement avec un agent d'enrobage, où l'agent d'enrobage comprend au moins un parmi des acides alpha-hydrocarboxyliques monomères, des polymères d'acide alpha-hydrocarboxylique, et des combinaisons de ceux-ci ; la réaction de l'agent de soutènement traité pour former un agent de soutènement enrobé polymère ; et la récupération de l'agent de soutènement enrobé polymère.

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