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. 16, 2021

Filed:

Dec. 08, 2017
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

David Joe Steele, Arlington, TX (US);

Aihua Liang, Plano, TX (US);

Srinivasa Prasanna Vemuri, Frisco, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 41/02 (2006.01); E21B 23/02 (2006.01); E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
E21B 41/02 (2013.01); E21B 23/02 (2013.01); E21B 33/1204 (2013.01);
Abstract

A system and method to protect downhole tools and equipment used in transporting fluids with erosional and/or corrosive characteristics is disclosed according to one or more embodiments. The protection assembly engages with a latch coupling or other surface in need of protection to form a barrier between the latch coupling surface and any erosional or corrosive fluids. The protection assembly comprises a barrier sleeve portion and a support sleeve portion disposed in the barrier sleeve. The support sleeve is moveable between a first and second position within the barrier sleeve. In a first position of the support sleeve, collet fingers in the barrier sleeve may flex to allow movement through the latch coupling while in a second position of the support sleeve, the collet fingers may not flex and the barrier sleeve is engaged and protecting the latch coupling.


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