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:
Mar. 30, 2010

Filed:

Apr. 27, 2007
Applicants:

Larry E. Reimert, Houston, TX (US);

John M. Yokley, Kingwood, TX (US);

Inventors:

Larry E. Reimert, Houston, TX (US);

John M. Yokley, Kingwood, TX (US);

Assignee:

Dril-Quip Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liner hanger assembly comprises a tool mandrel () suspended on a running string, and a slip assembly () for engaging a casing to support the liner hanger and liner from the casing. The release assembly () releases the set liner hanger from portions of the assembly to be retrieved to the surface. A cementing bushing () is releasable and reinsertable into the liner, and includes a circumferential loading ring ().


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