Auto-coupling tool for drill-pipes

Details Auto-coupling tool for drill-pipes Auto-coupling tool for drill-pipes

1984-10-05

1987-07-21

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

166 98, 285 40, 294 8622, E21B 720

Patent

active

046811753

ABSTRACT:
An automatic broken-drill-pipe-intercoupling tool having, a body portion with, at one end, a female threaded adapted to cooperate with the threaded male end of the retrievable portion of a broken drill pipe and at the other end a tapered, multi-interwined-spiral bit portion, integral with the body portion, the body portion having flats thereon to permit tightening of the tool on the retrievable portion of the broken drill pipe.

REFERENCES:
patent: 1524265 (1925-01-01), Lester
patent: 2013923 (1935-09-01), Naccarato
patent: 2201159 (1940-05-01), Clow
patent: 2377249 (1945-05-01), Lawrence
patent: 2734581 (1956-02-01), Bonner
patent: 2865454 (1958-12-01), Richards
patent: 2999572 (1961-09-01), Hinckley
patent: 3120871 (1964-02-01), De Cordova
patent: 3268003 (1966-08-01), Essary
patent: 4226164 (1980-10-01), Carter
patent: 4496011 (1985-01-01), Mazo et al.

Affiliated with

Also associated with

Rating

Auto-coupling tool for drill-pipes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Auto-coupling tool for drill-pipes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Auto-coupling tool for drill-pipes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-201919