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:
Mar. 21, 2017
Filed:
Nov. 26, 2013
Applicant:
National Oilwell Varco, L.p., Houston, TX (US);
Inventors:
Russell Gilleylen, Spring, TX (US);
Haresh Ghansyam, Pearland, TX (US);
James R. Streater, Jr., Houston, TX (US);
Deepthi Setlur, Houston, TX (US);
Alan H. Kitching, Katy, TX (US);
Shiran Waas, Houston, TX (US);
Murray Gilbertson, Camps Bay, ZA;
Assignee:
National Oilwell Varco, L.P., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/02 (2006.01); E21B 7/24 (2006.01); E21B 28/00 (2006.01); E21B 31/00 (2006.01);
U.S. Cl.
CPC ...
E21B 28/00 (2013.01); E21B 31/005 (2013.01);
Abstract
A downhole tool comprises a housing having a longitudinal bore and an agitator assembly disposed within the longitudinal bore of the housing. A removable component is disposed within the longitudinal bore and can be removed from the housing so as to at least partially open the longitudinal bore.