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:
Feb. 06, 2018
Filed:
Dec. 10, 2014
Applicant:
National Oilwell Varco, L.p., Houston, TX (US);
Inventors:
Mark E. Wolf, Katy, TX (US);
Robert Eugene Mebane, III, Austin, TX (US);
Assignee:
NATIONAL OIL WELL VARCO, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/38 (2006.01); E21B 43/12 (2006.01); E21B 43/08 (2006.01); E21B 43/20 (2006.01); C02F 1/44 (2006.01); B01D 61/02 (2006.01);
U.S. Cl.
CPC ...
E21B 43/08 (2013.01); B01D 61/025 (2013.01); C02F 1/441 (2013.01); E21B 43/126 (2013.01); E21B 43/128 (2013.01); E21B 43/20 (2013.01); E21B 43/385 (2013.01);
Abstract
A fluid production system for downhole fluid purification includes a filtering assembly to be positioned within a wellbore. The filtering assembly has a fluid filter and a first pump closely-coupled to the filter. In addition, the system includes an extension shaft extending from the first pump to a source of rotational power positioned adjacent the surface of the earth.