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:
Apr. 27, 2021
Filed:
Nov. 30, 2017
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Sunita Sameer Kadam, Pune, IN;
Rajendra Arunkumar Kalgaonkar, Pune, IN;
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/528 (2006.01); C09K 8/72 (2006.01); E21B 21/00 (2006.01); E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/528 (2013.01); C09K 8/72 (2013.01); E21B 21/003 (2013.01); E21B 37/00 (2013.01);
Abstract
Methods of introducing a treatment fluid into a subterranean formation having a filtercake deposited thereon, wherein the treatment fluid comprises a base fluid and an inclusion complex comprising a cyclodextrin compound and an acid precursor ester, and wherein the cyclodextrin compound delays hydrolysis of the acid precursor ester; contacting the treatment fluid with the filtercake; and hydrolyzing the acid precursor ester, thereby removing at least a portion of the filtercake.