Cable drawn snubbing apparatus

Details Cable drawn snubbing apparatus Cable drawn snubbing apparatus

2007-08-28

2007-08-28

Dang, Hoang (Department: 3672)

Wells

Above ground apparatus

Moving tubing or cable into an existing well

C166S385000, C254S359000

Reexamination Certificate

active

11125671

ABSTRACT:
A cable drawn snubbing apparatus includes a first track and a second track in parallel spaced relation. A carriage extends between and engages the first track and the second track. Pipe engaging slips are carried by the carriage. Upper cables extend from the carriage to an upper end of the first track and the second track. Lower cables extend from the carriage to a lower end of the first track and the second track. Upper winches exert a force upon the upper cables to pull the carriage toward the upper end. Lower winches exert a force upon the lower cables to pull the carriage toward the lower end.

REFERENCES:
patent: 1894912 (1933-01-01), Otis
patent: 2555145 (1951-05-01), McKinney
patent: 2927642 (1960-03-01), Meredith, Jr. et al.
patent: 3012619 (1961-12-01), Farque
patent: 3757858 (1973-09-01), Davis et al.
patent: 3797570 (1974-03-01), Leutwyler
patent: 3999610 (1976-12-01), Sage et al.
patent: 4119297 (1978-10-01), Gunther

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