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.

Date of Patent:
Sep. 28, 2021

Filed:

Apr. 02, 2020
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventor:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/00 (2006.01); E21B 4/04 (2006.01); E21B 44/00 (2006.01); E21B 47/13 (2012.01); E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
E21B 4/003 (2013.01); E21B 4/04 (2013.01); E21B 44/005 (2013.01); E21B 47/13 (2020.05); E21B 37/00 (2013.01);
Abstract

A rotary dynamic system includes: a drill pipe; a bearing coupled at a first axial end to the drill pipe; and an outer sleeve coupled to a second axial end of the bearing. The outer sleeve rotates independently of the drill pipe.


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