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:
Jun. 19, 2012

Filed:

Nov. 11, 2009
Applicants:

David R. Hall, Provo, UT (US);

Nathan Nelson, Provo, UT (US);

Scott Woolston, Provo, UT (US);

Scott Dahlgren, Alpine, UT (US);

Jonathan Marshall, Provo, UT (US);

Inventors:

David R. Hall, Provo, UT (US);

Nathan Nelson, Provo, UT (US);

Scott Woolston, Provo, UT (US);

Scott Dahlgren, Alpine, UT (US);

Jonathan Marshall, Provo, UT (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

In one aspect of the present invention, a downhole tool string component has a first and second threaded end on a mandrel, the first threaded end attached to a first sleeve and the second threaded end attached to a second sleeve. An intermediate sleeve assembly is disposed circumferentially around the mandrel and intermediate the first and second threaded ends, and the intermediate sleeve assembly is primarily isolated from stress of the first or second sleeve.


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