Improvements in subassembly electrical isolation connector...

Details Improvements in subassembly electrical isolation connector... Improvements in subassembly electrical isolation connector...

E - Fixed Constructions

21

B

E21B 17/04 (2006.01) H01R 4/22 (2006.01) H01R 4/70 (2006.01)

Patent

CA 2329454

A subassembly electrical isolation connector for interconnecting sections of a tubular drill rod has an electrically insulated connector for and between spaced-apart connector sections to transmit drilling forces therethrough, a sealing membrane is used for sealing an insulated spacing in the electrically insulated connector to prevent ingress of pressurized drilling mud into the connector and shorting out said spaced-apart sections of said connector. The sealing membrane overlaps the connector sections as a continuous sleeve and has at least its sleeve ends sealed to respective portions of the connector sections to activate thereby the sealing membrane.

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