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:
Mar. 13, 2018

Filed:

May. 12, 2015
Applicant:

Weatherford Technology Holdings, Llc, Houston, TX (US);

Inventors:

Ivan Andre Barannikow, Houma, LA (US);

Douglas Brian Farley, Missouri City, TX (US);

Egor Dudochkin, Conroe, TX (US);

Steven Michael Rosenberg, Cypress, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/05 (2006.01); E21B 21/02 (2006.01); E21B 33/13 (2006.01); E21B 17/046 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 17/05 (2013.01); E21B 17/021 (2013.01); E21B 17/046 (2013.01); E21B 21/02 (2013.01); E21B 33/13 (2013.01);
Abstract

A swivel configured to rotationally decouple an upper section of a work string from a lower section of the work string. The swivel includes an upper body coupled to a lower body by a ring member and a plurality of shearable members. The lower body has a plurality of teeth members that engage a plurality of teeth members of the ring member. Rotation of the upper body is transmitted to the lower body by the ring member. The upper body is rotatable relative to the lower body when the shearable members are sheared.


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