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:
Oct. 30, 2018
Filed:
Dec. 11, 2013
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventor:
David Patrick Duckworth, Conroe, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/24 (2006.01); F16N 17/00 (2006.01); C10M 105/00 (2006.01); C10M 169/06 (2006.01);
U.S. Cl.
CPC ...
E21B 10/24 (2013.01); C10M 5/00 (2013.01); C10M 169/06 (2013.01); F16N 17/00 (2013.01); C10M 2205/026 (2013.01); C10M 2205/0265 (2013.01); C10M 2213/062 (2013.01); C10M 2219/044 (2013.01); C10M 2219/0445 (2013.01); C10N 2220/082 (2013.01); C10N 2230/00 (2013.01); C10N 2230/06 (2013.01); C10N 2230/36 (2013.01); C10N 2240/00 (2013.01);
Abstract
The present disclosure relates to an intergland grease formed from a base grease and a lubricating intergland grease additive, such as PTFE or a lubricating liquid polymer, such as polybutene. The present disclosure further relates to a roller cone drill bit including such an intergland grease.