E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/00 (2006.01) E21B 33/14 (2006.01)
Patent
CA 2673860
The invention provides a method to cure lost circulation in a zone (5) of a wellbore (1), comprising the steps of: placing a first pipe (10) in the wellbore; placing a second pipe (20) inside said first pipe and creating an annular (2); wherein said first pipe and said second pipe are arranged such that the end of the second pipe (21) is located in the vicinity of the zone (5); pumping a first material (12) via the annular of the first pipe; pumping a second material (22) via the second pipe, wherein said first material and said second material create a solid foam (52) when in contact; and creating said solid foam in the vicinity of the zone such that the lost circulation be cured.
La présente invention concerne un procédé pour résoudre la perte de circulation dans une zone (5) d'un puits de forage (1), comprenant les étapes consistant à : placer un premier tuyau (10) dans le puits de forage ; placer un second tuyau (20) à l'intérieur dudit premier tuyau et créer un annulaire (2) ; ledit premier tuyau et ledit second tuyau étant agencés de sorte que l'extrémité du second tuyau (21) soit située à proximité de la zone (5) ; pomper un premier matériau (12) par le biais de l'annulaire du premier tuyau ; pomper un second matériau (22) par le biais du second tuyau, ledit premier matériau et ledit second matériau créant une mousse solide (52) lorsqu'ils se trouvent en contact ; et créer ladite mousse solide à proximité de la zone de sorte que la perte de circulation soit résolue.
Boulard Stephane
Brown Ernest
Jain Bipin
Lee Jesse
Shindgikar Nikhil
Schlumberger Canada Limited
Smart & Biggar
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