A downhole production well control system is provided for automatically controlling downhole tools in response to sensed selected downhole parameters. The production well having a production tubing string therein with multiple branches, i.e., zones. Communication and transmission of power (i.e. telemetry)...http://www.google.fr/patents/US5941307?utm_source=gb-gplus-shareBrevet US5941307 - Production well telemetry system and method
