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:
Sep. 07, 2021
Filed:
Dec. 29, 2017
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Jay P. Deville, Spring, TX (US);
William W. Shumway, Spring, TX (US);
Lee J. Hall, The Woodlands, TX (US);
Xiaobo Hu, Chapel Hill, NC (US);
Sergey Sheyko, Chapel Hill, NC (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 37/00 (2006.01); E21B 43/34 (2006.01); C09K 8/60 (2006.01); C09K 8/88 (2006.01);
U.S. Cl.
CPC ...
C09K 8/608 (2013.01); C09K 8/88 (2013.01); E21B 37/00 (2013.01); E21B 43/34 (2013.01); C09K 2208/12 (2013.01);
Abstract
An aqueous-based well treatment fluid for and methods of controlling metal ions in a well, wherein the treatment fluid and methods use one or more polymer microgels, which comprise a plurality of polymer particles. Each polymer particle has a polymeric backbone bearing at least one moiety where such moiety is a chelating agent capable of boding with a metal ion.