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:
Oct. 10, 2017

Filed:

Aug. 08, 2013
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

Austin Smith Igleheart, IV, Atlanta, GA (US);

Lawrence James Leising, Missouri City, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/06 (2006.01); E21B 33/12 (2006.01); E21B 34/16 (2006.01); E21B 47/06 (2012.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 17/06 (2013.01); E21B 33/12 (2013.01); E21B 34/16 (2013.01); E21B 47/06 (2013.01); E21B 2034/005 (2013.01);
Abstract

A releasable connection for coiled tubing drilling apparatus is presented wherein the connection has an outer body configured with an inner volume, a mandrel located at least partially within the outer body and in the inner volume, a plug located with the outer body and a structural weakpoint apparatus, wherein the structural weakpoint apparatus is configured to structurally fail at a predetermined tensile load placed upon the releasable connection apparatus, wherein the structural weakpoint apparatus is configured at a lower end of the mandrel.


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