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:
Nov. 19, 2019

Filed:

Mar. 15, 2017
Applicant:

Weatherford U.k. Limited, Leicestershire, GB;

Inventors:

Santiago Galvez Porta, Peterhead, GB;

Stephen Reid, Leicestershire, GB;

Philip CG Egleton, Newmachar, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/129 (2006.01); E21B 19/10 (2006.01); E21B 33/128 (2006.01);
U.S. Cl.
CPC ...
E21B 19/10 (2013.01); E21B 33/128 (2013.01); E21B 33/129 (2013.01);
Abstract

A downhole slip apparatus that includes a radially extendable slip assembly. The radially extendable slip assembly including a primary slip arrangement and a secondary slip arrangement. The downhole slip apparatus is arranged such that during a first phase of operation the primary and secondary slip arrangements are radially extendable simultaneously from a retracted configuration towards and/or into a first extended configuration. The downhole slip apparatus is also arranged such that during a subsequent second phase of operation the secondary slip arrangement is radially extendable relative to the primary slip arrangement towards and/or into a second extended configuration.


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