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:
Jun. 04, 2019
Filed:
Sep. 10, 2015
Shell Oil Company, Houston, TX (US);
Leonardus Bartholomeus Maria Wassing, Rijswijk, NL;
Esther Christianne Maria Vermolen, Rijswijk, NL;
Mark Theodoor Looijer, Rotterdam, NL;
Bartholomeus Marinus Josephus Maria Suijkerbuijk, Utrecht, NL;
SHELL OIL COMPANY, Houston, TX (US);
Abstract
A method of producing fluid from a formation containing hydrocarbons in which an aqueous polymer preflush fluid is injected into the formation followed by injection of an aqueous polymer displacement fluid, where the aqueous polymer preflush fluid has a total dissolved solids content that is greater than the total dissolved solids content of the aqueous polymer displacement fluid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile