C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/02 (2006.01) C04B 14/24 (2006.01) C04B 18/08 (2006.01) C04B 18/14 (2006.01) C04B 22/12 (2006.01) C04B 24/16 (2006.01) E21B 33/13 (2006.01)
Patent
CA 2478077
Lightweight cement compositions and methods of cementing a subterranean zone penetrated by a well bore utilizing the compositions are provided. A lightweight cement composition of the invention is basically comprised of a coarse particulate hydraulic cement, an ultrafine particulate hydraulic cement mixture comprised of slag cement and a Portland or equivalent cement, fly ash, fumed silica, hollow glass spheres and water.
L'invention concerne des compositions de ciment léger et des procédés de cimentation d'une zone souterraine pénétrée par un puits au moyen desdites compositions. La composition de ciment léger est généralement composée d'un ciment hydraulique à particules à gros grains, d'un mélange de ciment hydraulique à particules ultrafines comprenant un ciment de scories et un ciment Portland ou équivalent, des cendres volantes, de la silice sublimée, des sphères en verre creux et de l'eau.
Dao Bach
Noik Christine
Ravi Krishna M.
Rivereau Alain
Vijn Jan Pieter
Halliburton Energy Services Inc.
Institut Francais Du Petrole
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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