E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/14 (2006.01) C04B 24/16 (2006.01) C04B 24/18 (2006.01) C04B 28/18 (2006.01) C04B 28/24 (2006.01) C09K 8/16 (2006.01) C09K 8/46 (2006.01)
Patent
CA 2111251
The present invention provides methods of cementing a well with a cementing composition utilizing a portion of the drilling fluid used to drill the well as a component in the cementing composition. The methods basically comprise forming a set-activated cementing composition comprised of water, silica fume, a dispersing agent, a set-activator, a set delaying additive and a portion of the drilling fluid, introducing the resulting set-activated cementing composition into the well and permitting the cementing composition to set into a hard mass therein.
La présente invention concerne une méthode de cimentation d'un trou de forage à l'aide d'une composition de cimentation utilisant une partie du liquide de forage dans la composition de cimentation. La méthode consiste essentiellement à former la composition de cimentation comprenant de l'eau, de la fumée de silice, un agent dispersant, un activateur de prise, un retardateur de prise, et une partie du fluide de forage; la composition activée ainsi obtenue est alors introduite dans le trou de forage où on le laisse faire prise.
Brake Bobby G.
King Bobby J.
Onan David D.
Terry Dralen T.
Totten Patty L.
Company Halliburton
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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