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:
Jul. 17, 2018
Filed:
Jun. 06, 2014
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/72 (2006.01); E21B 43/25 (2006.01); C09K 8/528 (2006.01); C09K 8/74 (2006.01); C09K 8/52 (2006.01); E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/72 (2013.01); C09K 8/52 (2013.01); C09K 8/528 (2013.01); C09K 8/74 (2013.01); E21B 37/00 (2013.01); E21B 43/25 (2013.01);
Abstract
Methods for acidizing subterranean formations may include introducing into a wellbore penetrating the subterranean formation having a temperature of about 275° F. or greater a treatment fluid comprising an aqueous fluid, a Lewis acid catalyst and a precursor; wherein the precursor is selected from the group consisting of a saccharide, a saccharide derivative, and a combination thereof; and reacting the precursor and the Lewis acid catalyst to yield an organic acid in a portion of the subterranean formation, a portion of the wellbore, or both.