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. 06, 2022
Filed:
May. 10, 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 43/24 (2006.01); F22B 37/22 (2006.01);
U.S. Cl.
CPC ...
E21B 43/24 (2013.01); E21B 41/0078 (2013.01); F22B 37/222 (2013.01);
Abstract
A steam injection nozzle for controlling the flowrate of steam injected into a hydrocarbon containing reservoir comprises a passage extending between an inlet and an outlet, wherein the passage comprises a first, pressure dissipating section and a second, pressure recovery section.