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:
Jan. 21, 2020
Filed:
Feb. 11, 2016
Applicant:
Weatherford U.k. Limited, Leicestershire, GB;
Inventors:
Daniel George Purkis, Loughborough, GB;
William Murray, Aberdeen, GB;
Assignee:
Weatherford U.K. Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/10 (2006.01); E21B 43/38 (2006.01); E21B 27/00 (2006.01); E21B 43/16 (2006.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 27/005 (2013.01); E21B 34/10 (2013.01); E21B 43/16 (2013.01);
Abstract
A valve assembly () comprises a flow path extending from an assembly inlet () to an assembly outlet (), a valve () arranged within the flow path and a filter assembly arranged within the flow path between the assembly inlet and the valve. The filter assembly comprises a filter chamber defining a particle settlement region, a filter chamber inlet for facilitating inflow of a fluid into the chamber, and a filter chamber outlet for facilitating outflow of fluid from the chamber towards the valve, wherein the filter chamber outlet includes a particle filter.