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.

Date of Patent:
Mar. 15, 2016

Filed:

Sep. 07, 2012
Applicants:

Ramesh Muthusamy, Pune, IN;

Tushar Sureshgiri Gosavi, Pune, IN;

Rahul Chandrakant Patil, Pune, IN;

Ashok K. Santra, The Woodlands, TX (US);

Sandip Prabhakar Patil, Pune, IN;

Kameswara Sri Sairam Pindiprolu, Pune, IN;

Inventors:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/138 (2006.01); C04B 28/02 (2006.01); C09K 8/467 (2006.01); C09K 8/42 (2006.01); C09K 8/473 (2006.01); C04B 28/18 (2006.01); C04B 111/10 (2006.01); C04B 111/20 (2006.01); C04B 111/22 (2006.01); C04B 111/23 (2006.01);
U.S. Cl.
CPC ...
C04B 28/021 (2013.01); C04B 28/18 (2013.01); C09K 8/426 (2013.01); C09K 8/467 (2013.01); C09K 8/473 (2013.01); E21B 33/138 (2013.01); C04B 2111/1037 (2013.01); C04B 2111/2015 (2013.01); C04B 2111/2092 (2013.01); C04B 2111/22 (2013.01); C04B 2111/23 (2013.01); Y02W 30/92 (2015.05); Y02W 30/93 (2015.05); Y02W 30/94 (2015.05);
Abstract

Cement compositions may comprise an aluminosilicate; a sodium aluminate, a calcium aluminate, a potassium aluminate, or a combination thereof; and water. In some cases, the cement does not include Portland cement. The cement may be used in a subterranean formation having corrosive components therein, wherein the set cement sheath is resistant to degradation from the corrosive components within the subterranean formation.


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