Pipe pick-up and laydown machine

Details Pipe pick-up and laydown machine Pipe pick-up and laydown machine

1981-12-31

1983-09-13

Spar, Robert J.

Material or article handling

Well pipe or rod racking mechanism

With slope change

175 85, 414595, 414598, 414748, E21B 1914

Patent

active

044038984

ABSTRACT:
A pipe pick-up and laydown machine for lifting a joint of pipe from a generally horizontal position on a pipe rack to an inclined and elevated position relative to an elevated rig floor for connection to rig elevators by the drilling crew. The apparatus includes a horizontal base position adjacent the pipe racks with a pipe carrying trough slidably mounted in a trough trestle which can telescope in and out of one end of the trestle. An inclined track extends from one end of the base to a position near the edge of the rig floor and structure is provided for lifting the front end of the trough trestle along the inclined track. The rear end of the trough trestle is mounted on a sliding articulating arm which first moves forward as the front end of the trough trestle is elevated on the inclined track and then stops and pivots to raise the rear end of the trestle to incline the pipe carrying trough at a desired elevation when extended over one edge of the rig floor. The operation is reversed when laying down pipe. The apparatus also can roll pipe to pipe racks positioned on either side of the apparatus.

REFERENCES:
patent: Re24907 (1960-12-01), Maydew
patent: 2643006 (1953-06-01), King
patent: 3041112 (1962-06-01), Carmichael, Jr.
patent: 3143221 (1964-08-01), Blackmon
patent: 3217900 (1965-11-01), Kupetzky et al.
patent: 3651959 (1972-03-01), Castela et al.
patent: 4054210 (1977-10-01), Crocker
patent: 4083193 (1978-04-01), Evans
patent: 4235566 (1980-11-01), Beeman et al.
patent: 4371302 (1983-02-01), Frias et al.

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