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. 24, 2009

Filed:

Oct. 11, 2005
Applicants:

Stephen Mescall, Kuala Lumpur, MY;

Iain Caulfield, Houston, TX (US);

Russell A. Johnston, Alvin, TX (US);

David E. Mccalvin, Missouri City, TX (US);

Inventors:

Stephen Mescall, Kuala Lumpur, MY;

Iain Caulfield, Houston, TX (US);

Russell A. Johnston, Alvin, TX (US);

David E. McCalvin, Missouri City, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fluid communication nipple including a tubular mandrel having an interior surface defining an internal bore and a passageway extending substantially lengthwise along a portion of the mandrel. The passageway is defined by an exterior wall section and an interior wall section, wherein the interior wall section extends outward from the interior surface into the bore. When it is desired to establish fluid communication through the passageway between the exterior and interior of the nipple an opening is formed through the internal wall section.


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