Method of well cementing

Details Method of well cementing Method of well cementing

C - Chemistry, Metallurgy

09

K

C09K 8/467 (2006.01) E21B 33/14 (2006.01) E21B 43/08 (2006.01) E21B 43/10 (2006.01) H05B 6/10 (2006.01)

Patent

CA 2689185

The invention provides a method for cementing in a lining tube (5) in a bore hole (1), said method comprising placing said lining tube at a distal end of said bore hole, introducing a liquid hydraulic cement (10) containing a setting retarder into said distal end of said bore hole, and applying a fluctuating electromagnetic or magnetic field from within said lining tube whereby to heat cement outside said lining tube directly or via a electromagnetic radiation transmitter (17) positioned on the outside of said lining tube.

L'invention concerne un procédé de cimentation d'un tubage (5) dans un trou de forage (1), ledit procédé consistant à placer ledit tubage au niveau d'une extrémité distale dudit trou de forage, à introduire un ciment hydraulique liquide (10) contenant un retardateur de prise dans ladite extrémité distale dudit trou de forage, et à appliquer un champ électromagnétique ou magnétique fluctuant dans ledit tubage de manière à ainsi chauffer le ciment à l'extérieur dudit tubage directement ou par l'intermédiaire d'un émetteur de rayonnement électromagnétique (17) à l'extérieur dudit tubage.

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