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:
Apr. 03, 2018

Filed:

May. 29, 2015
Applicant:

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

Inventors:

James W. Chambers, Houston, TX (US);

Danny W. Wagoner, Waller, TX (US);

Andrew Harrison, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/24 (2006.01); E21B 33/08 (2006.01); E21B 21/08 (2006.01);
U.S. Cl.
CPC ...
E21B 19/24 (2013.01); E21B 21/08 (2013.01); E21B 33/085 (2013.01);
Abstract

The exemplary embodiments relate to misalignment correction devices and methods for mitigating misalignment of a piece of oilfield equipment in or proximate an RCD. A rounded shoulder appears on a first surface within or proximate the RCD, and a socket profile appears on a second surface within or proximate the RCD. The second surface is configured to abut the rounded shoulder. The rounded shoulder is configured to rotate within the socket profile. Further, a floating joint may be implemented into or proximate the RCD and combined with the foregoing rotation mitigation features.


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