Resilient cement

E - Fixed Constructions – 21 – B

Patent

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Details

IPC codes

E21B 33/138 (2006.01) C09K 8/44 (2006.01) C09K 8/473 (2006.01) C09K 8/50 (2006.01) C09K 8/512 (2006.01) E21B 33/14 (2006.01)

Type

Patent

Patent number

CA 2468940

Description

A method and composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the composition basically comprises a mixture of latex, dithio carbamate, zinc oxide, and sulfur.

Cette invention concerne un procédé et une composition permettant l'étanchement d'une zone souterraine dans laquelle un puits de forage est formé, laquelle composition comprend principalement un mélange de latex, de dithiocarbamate, d'oxyde de zinc et de soufre.

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