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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.:

US 9506334 B1

PDFFull Text
Expired
Date of Patent:
Nov. 29, 2016

Filed:

Mar. 10, 2014

Process for recovering oil and treating resulting produced water with ceramic membranes

Applicant:

Veolia Water Solutions & Technologies North America, Inc., Moon Township, PA (US);

Inventors:

Richard Higgins, Reading, MA (US);

Stanton R. Smith, Belmont, MA (US);

Bruce Bishop, Arlington, MA (US);

David E. Gamache, Oswego, IL (US);

Assignee:

Veolia Water Technologies, Inc., Moon Township, PA (US);

Attorney:

Coats and Bennett PLLC

Primary Examiner:

Daniel P Stephenson

Int. Cl.
CPC ...
E21B 43/34 (2006.01); B01D 61/14 (2006.01); B01D 65/02 (2006.01); B01D 65/08 (2006.01); C02F 1/44 (2006.01); C02F 101/32 (2006.01); C02F 1/66 (2006.01); C02F 103/10 (2006.01); B01D 71/02 (2006.01); C02F 5/06 (2006.01);
U.S. Cl.
CPC ...
E21B 43/34 (2013.01); B01D 61/147 (2013.01); B01D 65/02 (2013.01); B01D 65/08 (2013.01); C02F 1/444 (2013.01); B01D 71/02 (2013.01); B01D 2321/04 (2013.01); B01D 2321/08 (2013.01); B01D 2321/162 (2013.01); B01D 2321/164 (2013.01); B01D 2321/168 (2013.01); B01D 2321/2066 (2013.01); C02F 1/66 (2013.01); C02F 5/06 (2013.01); C02F 2101/32 (2013.01); C02F 2103/10 (2013.01); C02F 2209/02 (2013.01); C02F 2303/16 (2013.01);
Abstract

A method for cleaning a ceramic membrane used in an oil recovery process. The cleaning method includes online and offline modes. In the online mode, the method includes periodically backflushing the ceramic membrane with an aqueous media. In the offline mode, the method includes backpulsing or statically cleaning the ceramic membrane by utilizing an aqueous alkaline media, an aqueous acidic media, and a liquid hydrocarbon solution.

Find Patent Forward Citations

Higgins, Richard. (2016). Process for recovering oil and treating resulting produced water with ceramic membranes (U.S. Patent No. 9506334). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9506334

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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