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:
Jun. 17, 2014
Filed:
Dec. 12, 2013
Applicants:
Brock Watson, Oklahoma City, OK (US);
Gregory Kliewer, Edmond, OK (US);
Roger L. Schultz, Newcastle, OK (US);
Inventors:
Brock Watson, Oklahoma City, OK (US);
Gregory Kliewer, Edmond, OK (US);
Roger L. Schultz, Newcastle, OK (US);
Assignee:
Thru Tubing Solutions, Inc., Oklahoma City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
This application is directed to a pressure balanced mud motor. The mud motor includes a power section to rotate a passageway housing and propel fluid through a passageway disposed in the passageway housing. The mud motor also includes a hydraulic apparatus for balancing a pressure drop experienced across a bearing assembly due to frictional flow of fluid through the passageway.