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. 11, 2018
Filed:
Jun. 23, 2016
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Ping Chen, Scotland, GB;
Harry Montgomerie, Scotland, GB;
Stephen Mark Heath, Scotland, GB;
Olav Vikane, Stqavanger, NO;
Bjorn Juliussen, Hundvag, NO;
Thomas Hagen, Delden, NL;
Assignee:
Ecolab USA Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 37/06 (2006.01); C09K 8/52 (2006.01); C09K 8/528 (2006.01); C09K 8/524 (2006.01);
U.S. Cl.
CPC ...
C09K 8/528 (2013.01); C09K 8/524 (2013.01); E21B 37/06 (2013.01); C09K 2208/00 (2013.01);
Abstract
A method for increasing the retention of a scale inhibitor within a hydrocarbon producing system by (i) pre-flushing the system with a liquid; (ii) treating the system with a scale inhibitor; and (iii) over-flushing the system with a composition comprising an ionic polymer and a liquid carrier. The concentration of the ionic polymer in the composition is 5 to 50% wt.