C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/467 (2006.01) C04B 14/38 (2006.01) C04B 14/42 (2006.01) C04B 16/04 (2006.01) C04B 16/06 (2006.01) C04B 18/08 (2006.01) C04B 18/22 (2006.01) C04B 28/04 (2006.01) C09K 8/42 (2006.01) C09K 8/473 (2006.01)
Patent
CA 2621627
A method of cementing a wellbore in a subterranean formation, comprising formulating a cement composition that may be suitable for long-term zonal isolation of the subterranean formation by evaluating a subterranean formation, preparing a base cement composition, determining the compressive strength of the base cement composition, determining the tensile strength of the base cement composition, and adjusting the ratio of compressive strength to tensile strength as need to within a first optimizing range to form a first optimized cement composition, and placing the optimized cement composition in the wellbore.
L'invention concerne un procédé de cimentation d'un puits dans une formation souterraine, qui consiste à: formuler, par évaluation d'une formation souterraine, une composition de ciment pouvant être appropriée pour une isolation zonale à long terme de la formation souterraine; préparer une composition de ciment de base; déterminer la force de compression de la composition de ciment de base; déterminer la résistance à la traction de la composition de ciment de base, et ajuster le rapport de la force de compression à la résistance à la traction, selon les besoins, dans une première plage d'optimisation, afin de former une première composition de ciment optimisée; et placer la composition de ciment optimisée dans le puits.
Ravi Krishna M.
Reddy Barireddy Raghava
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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