Material or article handling – Well pipe or rod racking mechanism – With slope change
Reexamination Certificate
2003-10-03
2008-10-07
Rodriguez, Saul J. (Department: 3652)
Material or article handling
Well pipe or rod racking mechanism
With slope change
C414S022610, C175S085000
Reexamination Certificate
active
07431550
ABSTRACT:
The present invention generally relates to a method and apparatus for handling a tubular above a wellbore. In one aspect, the present invention provides a pipe handling apparatus operable with a pipe pick-up and lay-down machine. The pipe handling apparatus includes at least one arm having a first end and a second end and at least one stop member coupled to the second end of the arm. Preferably, the first end is pivotally coupled to the pipe pick-up and lay-down machine. The pipe handling apparatus may be actuated to limit movement of the tubular as it is moved toward the wellbore.
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Extreme conditions, extended-reach wells govern land-rig design for Sakhalin Mike Sumrow. Oil & Gas Journal. Tulsa: Jun. 17, 2002. vol. 100, Iss. 24; p. 41.
GB Search Report, Application No. GB 0323094.3, dated Jan. 20, 2004.
Greenhut Charles
Patterson & Sheridan LLP
Rodriguez Saul J.
Technologies Alliance
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