Automated pipe racking process and apparatus
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United States of America Patent
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Nov 23, 2004
Grant Date -
Mar 25, 2004
app pub date -
Sep 25, 2002
filing date -
Sep 25, 2002
priority date (Note) -
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Abstract
An automated pipe racking apparatus for a drilling rig having an elevator suspended over a well bore. An arm support member is rotatable about an axis parallel to the well bore. A gripper arm extends from the arm support member along an axis normal to the axis of rotation of the arm support member. A gripper head assembly extends from the gripper arm, the gripper head assembly having a pair of opposed, arcuate gripper fingers, each said finger rotatable by a motor.
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