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:
Jul. 07, 2015

Filed:

Sep. 12, 2012
Applicant:

Thomas D. Welton, Houston, TX (US);

Inventor:

Thomas D. Welton, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/524 (2006.01); C09K 8/52 (2006.01); C09K 8/035 (2006.01); C09K 8/68 (2006.01);
U.S. Cl.
CPC ...
C09K 8/52 (2013.01); C09K 8/035 (2013.01); C09K 8/524 (2013.01); C09K 8/68 (2013.01); C09K 2208/30 (2013.01);
Abstract

Methods for treating a subterranean formation can comprise introducing a treatment fluid comprising dicarboxymethyl glutamic acid (GLDA) or a salt thereof into a subterranean formation. Methods for treating a sandstone formation can comprise introducing a treatment fluid comprising GLDA or a salt thereof into a sandstone formation, the treatment fluid having a pH above about 3.


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