Downhole preparation and use of thixotropic cement slurries

Details Downhole preparation and use of thixotropic cement slurries Downhole preparation and use of thixotropic cement slurries

E - Fixed Constructions

21

B

E21B 33/13 (2006.01) C09K 8/467 (2006.01) C09K 8/516 (2006.01)

Patent

CA 2676526

A method for use within a subterranean formation penetrated by a wellbore includes introducing a thixotropic agent into the well and introducing a cement slurry into the well. The method includes forming a thixotropic cement slurry downhole, including mixing the cement slurry and the thixotropic agent downhole.

L'invention concerne un procédé destiné à être utilisé à l'intérieur d'une formation souterraine dans laquelle est creusé un puits de forage, consistant à introduire un agent thixotrope, puis un lait de ciment dans le puits. Le procédé selon l'invention consiste à former un lait de ciment thixotrope de fond de trou, par mélange du lait de ciment et d'un agent thixotrope.

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