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:
Apr. 02, 2019
Filed:
Jul. 16, 2013
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventor:
Alan William Marr, Angus, GB;
Assignee:
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 21/08 (2006.01); E21B 21/00 (2006.01); E21B 4/00 (2006.01); F04D 13/14 (2006.01);
U.S. Cl.
CPC ...
E21B 21/08 (2013.01); E21B 4/006 (2013.01); E21B 21/00 (2013.01); F04D 13/14 (2013.01);
Abstract
A disclosed embodiment of a downhole tool includes a pump that is powered by rotation of the drill string to increase fluid pressure during downhole circulation.