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. 24, 2015
Filed:
Jan. 21, 2010
Applicant:
Mark Joseph Denny, Dorset, GB;
Inventor:
Mark Joseph Denny, Dorset, GB;
Assignee:
BP Exploration Operating Company Limited, Middlesex, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); E21B 43/12 (2006.01); F04C 2/16 (2006.01); F04C 11/00 (2006.01); F04C 13/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/128 (2013.01); F04C 2/16 (2013.01); F04C 11/001 (2013.01); F04C 13/008 (2013.01); F04C 2230/60 (2013.01); F04C 2240/20 (2013.01); F04C 2240/70 (2013.01);
Abstract
Multistage pump comprising a plurality of components which include a plurality of pre-assembled pump modules, having at least one twin screw pump module. The multistage pump further has an elongate sleeve for housing the components, and a securing device attachable or engagable with a portion of the elongate sleeve. The securing device is operable to fixedly retain the components within the sleeve. Each of the pre-assembled pump modules has at least one thrust bearing.