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:
Aug. 12, 2019
Applicant:
Veriperm Energy Services Inc., Calgary, CA;
Inventor:
Da Zhu, Calgary, CA;
Assignee:
Variperm Energy Services Inc., Calgary, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01); E21B 43/08 (2006.01); E21B 43/12 (2006.01); E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
E21B 41/0078 (2013.01); E21B 43/08 (2013.01); E21B 43/12 (2013.01); E21B 43/24 (2013.01);
Abstract
A nozzle for controlling the flow of fluids into and/or out of a hydrocarbon-bearing reservoir comprises a fluid passage extending between first and second openings. The passage comprises a flow adjusting region for increasing the velocity of fluids injected into the reservoir and for choking steam produced from the reservoir.