The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2010
Filed:
Dec. 17, 2008
Michel Michaux, Verrieres-le-Buisson, FR;
Jean-philippe Caritey, Le Plessis Robinson, FR;
Michel Ermel, St Lambert des Bois, FR;
Sylwia Komocki, Chatenay Malabry, FR;
Michel Michaux, Verrieres-le-Buisson, FR;
Jean-Philippe Caritey, Le Plessis Robinson, FR;
Michel Ermel, St Lambert des Bois, FR;
Sylwia Komocki, Chatenay Malabry, FR;
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A cement slurry composition for cementing a well comprising: a hydraulic cement, water and a combination made of a hydroxyethyl cellulose and an acrylamido-methyl-propane sulfonate-acrylamide copolymer. Provided is also a method for cementing a well involving such cement slurry composition. The composition provides a solution to decouple the fluid-loss control and the slurry rheologyfor cement for slurry and particularly for extended cement slurry.