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. 06, 2022
Filed:
Feb. 27, 2017
Applicant:
Bl Technologies, Inc., Minnetonka, MN (US);
Inventors:
Caroline Chihyu Sui, Trevose, PA (US);
Claudia C. Pierce, Trevose, PA (US);
Assignee:
BL Technologies, Inc., Minnetonka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/528 (2006.01); C09K 8/592 (2006.01); C09K 8/62 (2006.01); E21B 37/06 (2006.01); E21B 43/26 (2006.01); C09K 8/035 (2006.01);
U.S. Cl.
CPC ...
C09K 8/528 (2013.01); C09K 8/035 (2013.01); C09K 8/592 (2013.01); C09K 8/62 (2013.01); E21B 37/06 (2013.01); E21B 43/26 (2013.01);
Abstract
Methods are provided to inhibit scale formation in oil or gas production systems. In one embodiment, the scale inhibiting treatment comprises: A) an AAA terpolymer and B) a phosphonate. The treatment can be added to these systems in the well area itself, to the well annulus and its associated tubes, casings, etc., to the oil or gas bearing subterranean formation, to injection conduits for injecting steam or fracking fluid to the subterranean formation, to the produced water or to equipment in fluid flow contact with the produced water.