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:
Dec. 27, 1994
Filed:
Apr. 01, 1993
Keng H Chung, Edmonton, CA;
Gordon R Thompson, Edmonton, CA;
Wayne B Jansen, Edmonton, CA;
Ethel A Nakano, Fort McMurray, CA;
Samson Y Ng, Sherwood Park, CA;
Alberta Energy Company, Ltd., Calgary, CA;
Canadian Occidental Petroleum Ltd., Calgary, CA;
Esso Resources Canada Limited, Calgary, CA;
Gulf Canada Resources Limited, Toronto, CA;
Her Majesty the Queen in right of the Province of Alberta as represented, , US;
Hbog-Oil Sands Limited Partnership, Calgary, CA;
Pancanadian Petroleum Limited, Calgary, CA;
Petro-Canada Inc., Calgary, CA;
Mocal Energy Limited, Calgary, CA;
Murphy Oil Company Ltd., Calgary, CA;
Abstract
Aerated bitumen froth containing bitumen, water, air and solids is the product of the hot water extraction process for recovering bitumen from oil sand. Measurements related to the water content of the froth can be obtained by measuring its resonant frequency in a calibrated output, open-ended microwave cavity. By also measuring the bulk density of the froth and assuming a constant relationship for the solids content, one can compute from the assembled data the output quality of the froth. The measurements can be taken repetitively at the vessel as the froth is produced and used to almost instantly provide froth quality information.