Feeding device for down hole tubulars

Details Feeding device for down hole tubulars Feeding device for down hole tubulars

1991-07-16

1993-11-09

Huppert, Michael S.

Material or article handling

Cylindrical bar handling device

Including ramp and retractable stop or ejector

1984636, 198532, E21B 1915

Patent

active

052597237

ABSTRACT:
A feeding device for down hole tubulars includes a frame which defines a support surface. First and second stops are arranged to reciprocate in stop guides between an upper position, in which the stops interrupt movement of a tubular, and a lower position in which the stops allow movement of the tubular. The stop guides are moveable relative to one another to adjust the separation between the stops as appropriate for tubulars of different diameters. A tilting actuator arm cycles the stops between upper and lower positions to control the feeding of tubulars along the support surface.

REFERENCES:
patent: 1417096 (1922-05-01), Mueller
patent: 2763236 (1956-09-01), Cummings
patent: 2999605 (1961-09-01), De Jarnett
patent: 3054514 (1962-09-01), Riley
patent: 3515289 (1970-06-01), Schaller et al.
patent: 3630392 (1971-12-01), Cintract
patent: 4051956 (1977-10-01), Teague
patent: 4067453 (1978-01-01), Moller
patent: 4533055 (1985-08-01), Haney
Patent Application Ser. No. 06/181,345, filed Aug. 26, 1980, entitled "Transfer Shoulder for Down-Hole Tubulars", inventors Clyde A. Willis and Howard G. Best.

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