Wells – Processes – Assembling well part
Reexamination Certificate
2006-08-14
2008-05-27
Bates, Zakiya W. (Department: 3676)
Wells
Processes
Assembling well part
C166S077520, C166S078100, C166S085100
Reexamination Certificate
active
07377324
ABSTRACT:
A pipe handling device for mounting to use with a top drive and possibly a pipe engaging apparatus, includes a link arm having a first end pivotally connectable to move with the top drive and an outboard end pivotally connectable to a pipe elevator segment, and a drive system to drive the outboard end of the link arm at least between a lower position and a raised position. A pipe handling system and method may include or employ the pipe handling device.
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Case Running Tool by G. H. Kamphorst, G. L. van Wechem, W. Boom, D. Bottger, K. Koch; pp. 89-97, 1999.
Beierbach K. Evert
Nikiforuk Kevin
Bates Zakiya W.
Bracewell & Giuliani LLP
Tesco Corporation
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