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:
Feb. 16, 2021
Filed:
Feb. 05, 2018
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Abdulaziz S. Al-Qasim, Dhahran, SA;
Mohammed K. Al-Arfaj, Dhahran, SA;
Mohammad Saud Al-Badran, Dhahran, SA;
Sunil Kokal, Abqaiq, SA;
Assignee:
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01); E21B 19/24 (2006.01);
U.S. Cl.
CPC ...
E21B 17/1057 (2013.01); E21B 17/1078 (2013.01); E21B 17/10 (2013.01); E21B 17/105 (2013.01); E21B 19/24 (2013.01);
Abstract
Systems and methods for reducing friction between a casing string and a bore of a subterranean well when moving the casing string within the bore of a subterranean well include a roller bearing assembly. The roller bearing assembly has a bearing body and a plurality of spherical bearings spaced around an outer diameter of the bearing body. The bearing body is sized to be removably attached to an outer diameter of the casing string and to be stationary relative to the casing string.