Top drive well casing system
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United States of America Patent
Stats
-
Jul 26, 2005
Grant Date -
Dec 23, 2004
app pub date -
Jan 16, 2004
filing date -
Oct 26, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
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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