C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/02 (2006.01) C04B 14/34 (2006.01) C04B 38/00 (2006.01) C04B 40/06 (2006.01) E21B 33/13 (2006.01)
Patent
CA 2559921
The present invention provides cement compositions that include degradable materials, and methods of using such compositions in subterranean cementing operations. An example of a method of the present invention includes: providing a cement composition that includes a hydraulic cement, and a degradable material; placing the cement composition in a subterranean formation; allowing the cement composition to set therein; and allowing the degradable material to degrade. Another example of a method of the present invention is a method of enhancing the mechanical properties of a cement composition including adding a degradable material to the cement composition and allowing the degradable material to degrade.
L'invention concerne des compositions de cimentation qui comportent des matériaux dégradables, ainsi que des procédés d'utilisation de ces compositions dans des opérations de cimentation souterraines. A titre d'exemple, l'invention concerne un procédé qui consiste à fournir une composition de ciment comportant un ciment hydraulique et un matériau dégradable; à placer la composition de ciment dans une formation souterraine; à permettre à ladite composition de ciment de d'y durcir, et au matériau dégradable de se dégrader. Dans un autre exemple, l'invention concerne un procédé permettant de renforcer les propriétés mécaniques d'une composition de ciment, consistant notamment à ajouter un matériau dégradable à la composition de ciment et à permettre au matériau dégradable de se dégrader.
Munoz Trinidad Jr.
Nguyen Philip D.
Palmer Anthony V.
Reddy Bairreddy Raghava
Zamora Frank
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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