Kelly and kelly cock assembly for hard-wired telemetry system

Details Kelly and kelly cock assembly for hard-wired telemetry system Kelly and kelly cock assembly for hard-wired telemetry system

1977-06-23

1978-10-17

Moskowitz, Nelson

Communications: electrical

Selective

Interrogation response

174 47, 339 16R, 340 18LD, G01V 140, H01R 304

Patent

active

041211936

ABSTRACT:
A combination saver sub, kelly and lower kelly cock for use with a drill string having a hard wired telemetering system installed therein. The combination includes a hard wired circuit for extending the circuit from the top of the drill pipe to a slip ring assembly mounted on the kelly.

REFERENCES:
patent: 2178931 (1939-11-01), Crites et al.
patent: 2196314 (1940-04-01), Lee
patent: 2906502 (1959-09-01), Smith
patent: 3170137 (1965-02-01), Brandt
patent: 3696332 (1972-10-01), Dickson et al.
patent: 3829816 (1974-08-01), Barry et al.
patent: 3879097 (1975-04-01), Oertle
patent: 3989330 (1976-11-01), Cullen et al.

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