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. 19, 2022

Filed:

Jul. 08, 2019
Applicant:

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

Inventors:

Frank Acosta, Spring, TX (US);

Ben E. Dawsey, Albuquerque, NM (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/14 (2006.01); E21B 33/16 (2006.01); E21B 33/072 (2006.01);
U.S. Cl.
CPC ...
E21B 33/146 (2013.01); E21B 33/16 (2013.01); E21B 33/072 (2013.01);
Abstract

The present disclosure relates to multiple stage operations, and more particularly to systems and methods for performing second stage cementing operations with a stage tool. A stage tool comprises: a mandrel; an opening seat; a closing seat; a plurality of ports; a closing sleeve; and a packer element, wherein the opening seat is attached to an interior surface of the mandrel, wherein the closing seat is attached to the interior surface of the mandrel, wherein the plurality of ports is configured to allow fluid communication between the interior surface of the mandrel and an exterior surface of the mandrel, wherein the closing sleeve is disposed on the exterior surface of the mandrel and coupled to the closing seat, wherein the packer element is disposed on the exterior surface of the mandrel.


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