E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/14 (2006.01) E21B 33/02 (2006.01) E21B 33/04 (2006.01) E21B 33/05 (2006.01)
Patent
CA 2626179
A system for cementing a casing (103) in an open wellbore having no surface casing, wherein an annulus (105) is defined between the casing and the wellbore, the system having: an annular plug (120) around the casing at the mouth of the wellbore; a cement composition pump fluidly connected to the annulus through the seal; and a coupling (102) connected to the exposed end of the casing for taking circulation fluid returns from the inner diameter of the casing.
Système de cimentation d~un tubage (103) dans un puits de forage ouvert dépourvue d~un tubage de surface, dans lequel un espace annulaire (105) est défini entre le tubage et le puits de forage. Le système comprend : un bouchon annulaire (120) entourant le tubage au niveau de l~embouchure du puits de forage ; une pompe de composition de ciment en communication fluidique avec l~espace annulaire par l~intermédiaire d~un joint d~étanchéité ; et un accouplement (102) raccordé à l~extrémité découverte du tubage pour recevoir le fluide circulant renvoyé de l~espace intérieur du tubage.
Blanchard Karl W.
Rogers Henry E.
Webb Earl D.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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