Method for providing thixotropy to fluids downhole

Details Method for providing thixotropy to fluids downhole Method for providing thixotropy to fluids downhole

C - Chemistry, Metallurgy

09

K

C09K 8/14 (2006.01) C09K 8/42 (2006.01) C09K 8/504 (2006.01) C09K 8/516 (2006.01)

Patent

CA 2728109

A method of providing thixotropy to a fluid downhole comprising: adding an encapsulated thixotropic agent to a fluid at the surface; introducing the fluid into a borehole; and subjecting the fluid to a shearing action so as to release the thixotropic agent into the fluid.

L'invention porte sur un procédé pour conférer une thixotropie à un fluide de fond de trou. Ce procédé consiste à : ajouter un agent thixotrope encapsulé à un fluide à la surface ; introduire le fluide dans un trou de forage ; et soumettre le fluide à une action de cisaillement de façon à libérer l'agent thixotrope dans le fluide.

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