Flexible drill rod feeding apparatus for quick rotary deep drill

Details Flexible drill rod feeding apparatus for quick rotary deep drill Flexible drill rod feeding apparatus for quick rotary deep drill

1987-11-27

1989-07-18

Novosad, Stephen J.

Wells

Above ground apparatus

Moving tubing or cable into an existing well

166 78, 166237, 166384, 175203, 175220, E21B 302, E21B 1908

Patent

active

048484555

ABSTRACT:
A drill rod apparatus for quick rotary deep drilling has its drill pipes connected by flexible joints so that the rotation of a nut relative to a housing of each joint permits separation of the pipe ends connected thereby and the arrays of interengageable claws. The housing is connected to one of the pipes by a ball and socket joint so that with such separation, while a seal is maintained between the interiors of the two pipes, one pipe can be angularly offset from the other by substantially as much as 30.degree..

REFERENCES:
patent: 3321016 (1967-05-01), Lance
patent: 3559905 (1971-02-01), Palynchuk
patent: 3724567 (1973-04-01), Smitherman
patent: 4655291 (1987-04-01), Cox
patent: 4660634 (1987-04-01), Johnson, Jr.
patent: 4735270 (1988-04-01), Fenyvesi

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