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:
Aug. 17, 2021
Filed:
Aug. 23, 2016
Applicant:
Recover Energy Services Inc., Calgary, CA;
Inventors:
Stan Ross, Cochrane, CA;
Paul Sudlow, Calgary, CA;
Assignee:
RECOVER ENERGY SERVICES INC., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 21/26 (2006.01); E21B 21/06 (2006.01); B04B 1/20 (2006.01);
U.S. Cl.
CPC ...
B01D 21/262 (2013.01); E21B 21/065 (2013.01); B01D 2257/708 (2013.01); B04B 1/20 (2013.01);
Abstract
Gas-tight decanter centrifuge process for separation of volatile organic compounds from drilling fluid. A method is described for removing low gravity solids from a mixture of recovered oil based drilling fluid and low gravity solids and diluent. A gas-tight decanter centrifuge that is designed and constructed for this purpose in a gas-tight manor so to ensure vapour cannot escape the decanting process, and foreign oxygen cannot enter the process under normal operating conditions.