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U.S. Department of Energy
Office of Scientific and Technical Information

Apparatus for handling well pipe

Patent ·
OSTI ID:6804513

This patent describes a well pipe handling machine for use in a rig having a string of pipe extending vertically along an axis of a well, comprising: a movable support; pipe holding means carried by the support for movement therewith and adapted to hold a section of pipe in vertical condition; means for moving the support carrying the pipe holding means and a pipe section held thereby between a first position in which the pipe holding means hold the pipe section in vertical condition in alignment with the axis of the well and a second position in which the pipe holding means locate the pipe section in vertical condition at a storage location offset from the axis; a control station for holding an operator and which is carried by the support for movement therewith between the first and second positions of the support; a torque wrench for making or breaking a connection between a vertical pipe section and the pipe string and which is carried by the support at essentially the lower end of the control station and for movement with the support between the first and second positions thereof.

Assignee:
Varco International, Inc., Orange, CA
Patent Number(s):
US 4765401
OSTI ID:
6804513
Country of Publication:
United States
Language:
English