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:
Jul. 21, 2020

Filed:

Nov. 05, 2014
Applicant:

Halliburton Manufacturing and Services Limited, London, GB;

Inventors:

Stephen Edmund Bruce, Aberdeen, GB;

David Grant, Aberdeen, GB;

Ewan Colin Smith, Aberdeen, GB;

Andrew David James Cameron, Aberdeen, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/10 (2006.01); E21B 37/02 (2006.01); E21B 33/12 (2006.01); E21B 37/06 (2006.01); E21B 43/08 (2006.01); E21B 21/00 (2006.01);
U.S. Cl.
CPC ...
E21B 37/02 (2013.01); E21B 33/12 (2013.01); E21B 37/06 (2013.01); E21B 43/088 (2013.01); E21B 43/108 (2013.01); E21B 21/003 (2013.01);
Abstract

A tubular has a retracted configuration and an extended configuration. The tubular is initially in the retracted configuration and run into a bore at least partially lined with filter cake. The tubular is extended such that a filter cake-disrupting member mounted on the tubular defines high points or otherwise has an outer surface of varying radial extent for disrupting or disturbing the filter cake.


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