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:
Mar. 20, 2018
Filed:
Jun. 26, 2013
Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations
Applicant:
Baker Hughes, a GE Company, Llc, Houston, TX (US);
Inventor:
D.V. Satyanarayana Gupta, The Woodlands, TX (US);
Assignee:
Baker Hughes, a GE company, LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/506 (2006.01); C09K 8/516 (2006.01); C09K 8/536 (2006.01); E21B 33/138 (2006.01); C04B 24/02 (2006.01); E21B 21/00 (2006.01);
U.S. Cl.
CPC ...
C04B 24/02 (2013.01); C09K 8/506 (2013.01); C09K 8/516 (2013.01); C09K 8/536 (2013.01); E21B 21/003 (2013.01); C09K 2208/18 (2013.01); C09K 2208/32 (2013.01); E21B 33/138 (2013.01);
Abstract
The flow of a fluid may be diverted from a high permeability zone to a low permeability portion of a subterranean formation by use of a diverter having the structural formula (I): Anhydrides of formula (I) are also acceptable as the diverter.