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:
Jan. 21, 2020

Filed:

Nov. 30, 2016
Applicant:

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

Inventors:

Samuel Rodriguez, Cypress, TX (US);

Forrest Parker, Manvel, TX (US);

Maxime R. Rodrigue, Vacherie, LA (US);

Philip E. Dufrene, Houma, LA (US);

Vimalkumar Engineer, Richmond, TX (US);

Sarah Adams, Thibodaux, LA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 17/1028 (2013.01);
Abstract

A stop collar for a tubular includes an inner ring configured to engage the tubular and having a waveform profile. The waveform profile includes a peak and a base. The stop collar includes an outer ring configured to be disposed around the inner ring and configured to compress the inner ring. A method for assembling a stop collar for a centralizer on a tubular includes positioning an inner ring around the tubular, the inner ring including a profile and compressing the profile against the tubular by disposing an outer ring around the inner ring.


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