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.:

US 9394769 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 19, 2016

Filed:

Dec. 14, 2012
Applicant:

John Nenniger, Calgary, CA;

Inventor:

John Nenniger, Calgary, CA;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 34/08 (2006.01); E21B 43/24 (2006.01); E21B 43/16 (2006.01); E21B 43/30 (2006.01);
U.S. Cl.
CPC ...
E21B 43/12 (2013.01); E21B 34/08 (2013.01); E21B 43/166 (2013.01); E21B 43/2406 (2013.01); E21B 43/305 (2013.01);
Abstract

An inflow control valve has a valve body having a threaded portion for connecting the valve body to a production tubing, a through bore for connecting the valve body to an inside bore of the production tubing and an outside surface; at least one inlet passageway extending through the valve body between the outside surface and the through bore and an inlet opening on the at least one inlet passageway formed on the outside surface of the valve body; a closure member for opening and closing the inlet opening, the closure member being located between the inlet opening and the annulus; and a member to bias the closure member to an open position when the inlet opening is submerged in a liquid to be recovered from the reservoir and to bias the closure member to a closed position in the absence of the liquid at the inlet opening.


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