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. 24, 2015
Filed:
Sep. 25, 2012
Applicant:
Omedax Limited, Limassol, CY;
Inventors:
Assignee:
Oilfield Equipment Development Center Limited, Victoria, SC;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/24 (2006.01); E21B 43/12 (2006.01); E21B 17/10 (2006.01); F04D 13/10 (2006.01); F04D 29/047 (2006.01);
U.S. Cl.
CPC ...
E21B 43/126 (2013.01); E21B 43/2408 (2013.01); E21B 17/1057 (2013.01); E21B 17/1071 (2013.01); F04D 13/10 (2013.01); F04D 29/0473 (2013.01);
Abstract
A method of pumping production fluid from a wellbore includes deploying a centrifugal pump into a production wellbore; and pumping hydrocarbons from the production wellbore by rotating an impeller of the centrifugal pump in the production wellbore from surface using a drive string, wherein the impeller is rotated at a speed less than or equal to seventeen hundred fifty revolutions per minute.