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:
Nov. 05, 2013
Filed:
Feb. 22, 2010
Applicants:
Shurong Huang, Houston, TX (US);
Henry A. Pfeffer, Mercerville, NJ (US);
John M. Rovison, Jr., Sanborn, NY (US);
Inventors:
Shurong Huang, Houston, TX (US);
Henry A. Pfeffer, Mercerville, NJ (US);
John M. Rovison, Jr., Sanborn, NY (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
Aqueous well treatment fluid compositions are disclosed comprising an aqueous fluid containing polymer or copolymer for modifying fluid viscosity of the aqueous fluid and, in addition, an agent for effecting a controlled reduction in the aqueous fluid viscosity in a subterranean environment. The viscosity-reducing agent comprises a dilute concentration of peracetic acid. A method of using such compositions in oil- and gas-field treatment operations is also disclosed.