Defluidizing lost circulation pills

Details Defluidizing lost circulation pills Defluidizing lost circulation pills

C - Chemistry, Metallurgy

09

K

C09K 8/565 (2006.01)

Patent

CA 2750898

A slurry for treating a wellbore that includes a base fluid; at least one fibrous structure; and a plurality of calcium silicate particles is disclosed. Methods of reducing loss of wellbore fluid in a wellbore to a formation using an LCM pill having calcium silicate particles therein is also disclosed.

L'invention concerne une boue pour traiter un puits qui comprend un fluide de base ; au moins une structure fibreuse ; et une pluralité de particules de silicate de calcium. L'invention concerne également des procédés pour réduire les pertes de fluide dans un puits sur une formation utilisant une pilule LCM comprenant des particules de silicate de calcium.

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