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. 16, 2024
Filed:
Apr. 24, 2020
Ncs Multistage Inc., Calgary, CA;
Ncs Multistage, Llc, Houston, TX (US);
Dustin Ellis, Houston, TX (US);
Shan Zi, Houston, TX (US);
John Ravensbergen, Calgary, CA;
Craig Harty, Calgary, CA;
Brock Gillis, Calgary, CA;
Stanley Mberia, Calgary, CA;
Anna Cruse, Houston, TX (US);
Rio Whyte, Calgary, CA;
NCS MULTISTAGE INC., Calgary, CA;
NCS MULTISTAGE, LLC., Houston, TX (US);
REPEAT PRECISION, LLC., Houston, TX (US);
Abstract
A valve assembly for integration within a wellbore string disposed within a hydrocarbon-containing reservoir is provided. The valve assembly includes a valve housing having a plurality of frac ports for establishing fluid communication between a central passage and the reservoir. The valve assembly includes a bottom sleeve operatively mounted within the valve housing configured to selectively open the frac ports, and a top sleeve operatively mounted within the valve housing slidable between (i) a first position defining a first fluid pathway whereby fluid is flowable down into the central passage and into the reservoir via the frac ports, and (ii) a tracing position defining a second fluid pathway whereby fluid is flowable from the reservoir into an annulus defined between the top sleeve and the housing. The valve assembly also has a tracer compartment defined within the annulus forming part of the second fluid pathway and accommodating a tracer material.