A connectable and releasable electrical wet connect for transmitting electrical signals in a well drill string includes retrievable coacting telescoping male and female member electrical connectors. The male member includes a support shoulder for supporting the wet connect in the drill string, a passageway...http://www.google.de/patents/US5131464?utm_source=gb-gplus-sharePatent US5131464 - Releasable electrical wet connect for a drill string
