Split assembly attachment device
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United States of America Patent
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-
Dec 4, 2012
Grant Date -
Dec 30, 2010
app pub date -
Jun 29, 2009
filing date -
Jun 29, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A spider assembly is a round platform with a central bore used to support sections of casing as the sections of casing are joined to one another and lowered below a drilling platform. The spider assembly comprises two c-shaped section joined together at two seams, one seam at the end of each leg of the c-shape. A clamping plate is used to join each seam and apply a preload force on the joint. The preload force minimizes axial deflection at the joint.
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