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:
Sep. 27, 1994
Filed:
Feb. 26, 1992
Alexander S McKay, South Lake Tahoe, CA (US);
Alberta Oil Sands Technology and Research Authority, Edmonton, CA;
Abstract
It has been discovered that the production or recovery of oil or bitumen produced or recovered in the form of an oil-in-water emulsion form a porous water containing oil or bitumen producing formation is maintained and improved by maintaining the temperature of the produced oil or bitumen in the form of an oil-in-water emulsion at a temperature not lower than and preferably greater than Tc, wherein Tc is the minimum temperature for the oil or bitumen, such as in the form of an oil-in-water emulsion, to flow through the porous water-containing oil or bitumen producing formation. In a special practice of this invention to prevent water coning, a substantially water impermeable barrier can be produced in a water saturated formation by depositing therein a bitumen or oil-in-water emulsion barrier or zone at a temperature below Tc.