C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/68 (2006.01) E21B 43/04 (2006.01)
Patent
CA 2683212
A method is for treating a subterranean formation penetrated by a wellbore is given which comprises injecting into the subterranean formation a well treatment fluid having a high pH. The well treatment fluid comprises a viscoelastic surfactant having a degradable linkage, a hydrolysable fiber and a pH control material.
La présente invention concerne un procédé de traitement d'une formation souterraine pénétrée par un puits de forage qui comprend l'étape consistant à injecter à l'intérieur de la formation souterraine un fluide de traitement du puits ayant un pH élevé. Le fluide de traitement du puits comprend un tensioactif viscoélastique ayant une liaison dégradable, une fibre hydrolysable et une substance de contrôle du pH.
Butula Kreso Kurt
Fu Diankui
Klyubin Artem
Levanyuk Olesya
Oussoltsev Dmitri
Schlumberger Canada Limited
Smart & Biggar
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