Improved aqueous-based insulating fluids and related methods

Details Improved aqueous-based insulating fluids and related methods Improved aqueous-based insulating fluids and related methods

C - Chemistry, Metallurgy

10

M

C10M 173/02 (2006.01) C09K 8/14 (2006.01) F16L 59/14 (2006.01) E21B 36/00 (2006.01)

Patent

CA 2716450

Provided herein are methods and compositions that include a method comprising providing an annulus between a first tubing and a second tubing; providing an aqueous-based insulating fluid that comprises an aqueous base fluid, a water-miscible organic liquid, and a layered silicate; and placing the aqueous-based insulating fluid in the annulus. A composition provided includes an aqueous-based insulating fluid comprising an aqueous base fluid, a water-miscible organic liquid, and a layered silicate.

L'invention porte sur des procédés et des compositions qui comprennent un procédé comprenant la fourniture d'un anneau entre une première canalisation et une seconde canalisation; la fourniture d'un fluide isolant à base d'eau qui comprend un fluide à base d'eau, un liquide organique miscible dans l'eau et un silicate lamellaire; et le placement du fluide isolant à base d'eau dans l'anneau. Une composition fournie comprend un fluide isolant à base d'eau comprenant un fluide à base d'eau, un liquide organique miscible dans l'eau et un silicate lamellaire.

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