Gravel-packing carrier fluid with internal breaker

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 43/04 (2006.01) C09K 8/04 (2006.01) C09K 17/00 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2691804

A method of gravel packing a hole in a subterranean formation having a filter cake coated on the surface thereof that includes injecting into the hole a gravel pack composition comprising gravel and a carrier fluid comprising a base fluid and at least one iminodiacetic acid or salt thereof is disclosed.

L'invention concerne un procédé de filtrage de graviers d'un trou dans une formation souterraine ayant un gâteau de filtre appliqué sur la surface de celle-ci qui comprend l'injection dans le trou d'une composition de filtre à graviers comprenant du gravier et un fluide porteur comprenant un fluide de base et au moins un acide iminodiacétique ou un sel de celui-ci.

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