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:
Apr. 14, 2015

Filed:

Feb. 29, 2012
Applicant:

Stephen J. Chauffe, The Woodlands, TX (US);

Inventor:

Stephen J. Chauffe, The Woodlands, TX (US);

Assignee:

Team Oil Tools, LP, The Woodlands, TX (US);

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

An apparatus includes a counter for tracking and communicating a number of plug drops through a longitudinal bore; a plug element adapted to be dropped into the longitudinal bore; and a valve defining a plug seat to be disposed within the longitudinal bore to catch the plug element when the plug element is dropped and when the number of plug drops as communicated by the counter exceeds a predetermined number. A method, includes: dropping a plurality of plugs down a longitudinal bore in which a plurality of plug seats are disposed; counting the number of plug drops from within the longitudinal bore; and catching one of the plugs at a preselected one of the plug seats when the number of plug drops exceeds a predetermined number.


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