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:
Apr. 07, 2020
Filed:
May. 11, 2016
Applicant:
Ncs Multistage Inc., Calgary, CA;
Inventors:
Don Getzlaf, Calgary, CA;
John Edward Ravensbergen, Calgary, CA;
Brock Gillis, Calgary, CA;
Michael Werries, Calgary, CA;
Assignee:
NCS Multistage Inc., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/25 (2006.01); E21B 34/10 (2006.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/255 (2013.01); E21B 34/10 (2013.01); E21B 2034/007 (2013.01);
Abstract
There is provided a downhole flow control apparatus comprising: a housing; a port extending through the housing; a passage disposed within the housing for conducting material to and from the port; a flow control member displaceable relative to the port; and a flow control member actuator configured for producing a pressurized fluid for urging the displacement of the flow control member.