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:
Dec. 13, 2011
Filed:
Jan. 26, 2010
Kevin S. Tingler, Bartlesville, OK (US);
Ketankumar K. Sheth, Tulsa, OK (US);
Suresha R. O'bryan, Joplin, MO (US);
Jianzhong Yang, Missouri City, TX (US);
Tauseef Salma, Sugar Land, TX (US);
Kevin S. Tingler, Bartlesville, OK (US);
Ketankumar K. Sheth, Tulsa, OK (US);
Suresha R. O'Bryan, Joplin, MO (US);
Jianzhong Yang, Missouri City, TX (US);
Tauseef Salma, Sugar Land, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An electric submersible motor is provided that includes a plurality of rotors and bearings mounted on a shaft, and a stator external to said rotors. A running clearance is located between an inner diameter of the stator and external diameter of the rotors, and includes a lubricating oil that includes a base hydrocarbon oil and a plurality of nanoparticles. Also provided is an improved lubricant oil and method of preparation thereof are provided. The lubricant oil includes a hydrocarbon containing base oil and a plurality of nanoparticles. The nanoparticles may be present in an amount up to 30% by volume.