Wells – Above ground apparatus – Moving tubing or cable into an existing well
Reexamination Certificate
2005-07-26
2005-07-26
Dang, Hoang (Department: 3672)
Wells
Above ground apparatus
Moving tubing or cable into an existing well
C166S077520, C175S085000
Reexamination Certificate
active
06920926
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.
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International Search Report for International Application No. PCT/US02/33939, mailed May 2, 2003.
Frank's FC-1 and FC-2 Fill-Up and Circulating Tool; Facts Fill-Up and Cementing Tool.
Frank's Internal Grip Elevator, 2001.
Varco's Casing Running Tool Revolutionizes the Casing Process, 2001.
Kuttel Beat
Richardson Allan S.
York Lemuel T.
Baker & Botts L.L.P.
Canrig Drilling Technology Ltd.
Dang Hoang
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