Pipe handling apparatus

Details Pipe handling apparatus Pipe handling apparatus

2006-11-28

2006-11-28

Tsay, Frank (Department: 3672)

Boring or penetrating the earth

With magazine for successively moving unconnected, oriented...

C175S085000, C166S077510

Reexamination Certificate

active

07140453

ABSTRACT:
An apparatus for moving and handling tubulars has a stinger (21) slidably mounted on a frame which stinger comprises a rod or tube the end of which is adapted to fit within the pipe (20) to be moved, a gripping means (23) on the end of the stinger which is inserted into the pipe end which gripping means is adapted to grip the pipe, a drive means (25) which drives a sc threaded sub (24) which drive means is adapted to slide along said stinger so that the screw threads on the sub can engage the screw threads on the end of the pipe and moving means adapted to move the sub and a pipe attached to the sub along the frame so that a tubular can be automatically removed from a container (10) or an ISO container transferred to a mast (13) the mast moved vertically above a drill head or well head and the tubular connected to the drill string in such a way that the cross section area of the stinger takes the majority of the well head pressure while the tubular is snubbed into the well using relatively little force.

REFERENCES:
patent: 5404944 (1995-04-01), Lynde et al.
patent: 5957209 (1999-09-01), Burleson et al.
patent: 6725938 (2004-04-01), Pietras
patent: 6732822 (2004-05-01), Slack et al.

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