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. 13, 2022
Filed:
Jan. 22, 2021
Applicant:
Variperm Energy Services Inc., Calgary, CA;
Inventor:
Da Zhu, Calgary, CA;
Assignee:
VARIPERM ENERGY SERVICES INC., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01); E21B 43/241 (2006.01); E21B 43/12 (2006.01); E21B 43/29 (2006.01); E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
E21B 41/0078 (2013.01); E21B 43/12 (2013.01); E21B 43/241 (2013.01); E21B 43/29 (2013.01); E21B 43/2408 (2013.01);
Abstract
A nozzle for mitigating against solvent flashing in a solvent-assisted hydrocarbon extraction process comprises a fluid passage extending between an inlet and an outlet, wherein the fluid passage comprises a converging region, a throat, and a diverging region, and wherein at least the converging region is provided with a gradually reducing internal diameter. Preferably, the angle of convergence of the converging region is equal to or less than about 5 degrees.