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:
Jan. 20, 2004
Filed:
Oct. 26, 2001
Applicant:
Inventors:
Lemuel T. York, Montgomery, TX (US);
Allan S. Richardson, Spring, TX (US);
Beat Kuttel, Spring, TX (US);
Assignee:
Canrig Drilling Technology, Ltd., Magnolia, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 1/916 ;
U.S. Cl.
CPC ...
E21B 1/916 ;
Abstract
A well casing system is disclosed for the handling and make-up of casing on a drilling rig in conjunction with a top drive is disclosed. The system comprises a top drive, a casing make-up assembly, links, link tilts, and transfer and lifting elevators. The operator can remotely manipulate the elevators to pick up and position a joint of casing above the casing already secured in the drilling hole. The operator can then engage the gripper head and use the rotational capability of the top drive to remotely couple the two joints of casing together.