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:
Jan. 06, 2026
Filed:
May. 02, 2023
Applicant:
Snf Group, Andrezieux Boutheon, FR;
Inventors:
Olivier Braun, Andrezieux Boutheon, FR;
Bruno Giovannetti, Andrezieux Boutheon, FR;
Assignee:
SNF GROUP, Andrezieux Boutheon, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/14 (2006.01); C04B 24/16 (2006.01); C08F 220/58 (2006.01); C09K 8/467 (2006.01); C04B 103/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/467 (2013.01); C04B 24/163 (2013.01); C08F 220/585 (2020.02); E21B 33/14 (2013.01); C04B 2103/0051 (2013.01); C04B 2103/0062 (2013.01); C08F 2810/20 (2013.01);
Abstract
The present invention concerns the technical field of cementing, in particular in the construction of oil and/or gas wells or geothermal energy. More specifically, the subject of the present invention is a cementitious composition and an improved method of cementing by means of the introduction into the cement of a polymeric micro-gel as an anti-gas migration agent.