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.
Patent No.:
Date of Patent:
Dec. 05, 1995
Filed:
Aug. 30, 1994
Applicant:
Inventors:
James A Simson, Stafford, TX (US);
John M Yokley, Kingwood, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166382 ; 166208 ; 166240 ;
Abstract
A self-contained, telescoping liner hanger setting tool is adapted to set a hanger and attached liner within a wellbore; release the liner hanger by unthreading a running nut securing the tool to the hanger and rotating the liner, after the tool is released from the hanger, during a cementing process, the liner is rotated through a clutch means adjacent the lower end of the tool and the upper end of the hanger, the liner hanger setting tool being fully retrievable from the borehole after the cementing process is ended.