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:
Jun. 10, 2003
Filed:
Nov. 22, 2000
Applicant:
Inventor:
Wilhelmus Hubertus Paulus Maria Heijnen, Nienhagen, DE;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 4/04 ; E21B 4/16 ; E21B 2/300 ;
U.S. Cl.
CPC ...
E21B 4/04 ; E21B 4/16 ; E21B 2/300 ;
Abstract
A device is provided for manipulating a tool in a well tubular. The device includes a cylindrical housing having a front end and a rear end, and radially extendible dogs for securing the device in the well tubular. A shaft is also included that is axially displaceable and rotatable from the front end of the device. The shaft is extendable from a displaceable sleeve, the displaceable sleeve also being extendable from the front end of the device. The outwardly extending end parts of the shaft and of the sleeve are provided with is effective for holding a tool.