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:
Mar. 06, 2018

Filed:

Dec. 23, 2014
Applicant:

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

Inventors:

Daniel Lee Schmidt, Dallas, TX (US);

Gary Joe Makowiecki, Spring, TX (US);

Patrick Lyle Cherney, Newton, KS (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 33/126 (2006.01); E21B 33/14 (2006.01); E21B 34/06 (2006.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 33/126 (2013.01); E21B 33/14 (2013.01); E21B 34/06 (2013.01); E21B 2034/007 (2013.01);
Abstract

In some embodiments, a subsurface wiping plug apparatus includes an internal bore that extends for less than a length of the apparatus. A ported case encloses internal components of the apparatus such that each port of the case is configured to couple the internal bore to an external side of the case. A plug capsule is coupled to an end of the ported case. The plug capsule contains an internal wiping plug that is releasable by internal pressure.


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