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. 30, 2013

Filed:

Sep. 05, 2007
Applicants:

Michael H. Du, Pearland, TX (US);

Gary L. Rytlewski, League City, TX (US);

William D. Chapman, Houston, TX (US);

Inventors:

Michael H. Du, Pearland, TX (US);

Gary L. Rytlewski, League City, TX (US);

William D. Chapman, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/02 (2006.01); E21B 17/05 (2006.01); E21B 17/07 (2006.01);
U.S. Cl.
CPC ...
Abstract

A technique is provided for engaging and disengaging an upper completion with a lower completion positioned in a wellbore. The upper completion comprises an upper communication line, and the lower completion comprises a lower communication line. The upper completion is mechanically latched with the lower completion and the communication lines are coupled in a manner that enables selective engagement and disengagement. A communication line union is used to connect the upper communication line and the lower communication line in a plurality of rotational orientations of the upper completion relative to the lower completion.


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