Eliminating the need for costly conduit runs, this long-range (3+ miles) wireless telemetry system can be configured with either a PLC monitoring system (shown) or a gateway-controlled standalone system that can monitor inputs and generate control commands autonomously. When configured as a PLC-controlled system, a local PLC makes the decision to shut down the remote wells. If monitoring tanks in the oil fields for overflow conditions, tank sensors could be directly connected to the PLC that monitors data and decide if the tank is in an alarmed state. Alternatively, the data could be sent wirelessly, with the PLC obtaining tank-level data from the Gateway. The PLC, then, determines whether the well should be operating or shut-in, and sends the proper command to the shutdown nodes located at the well site. The system interfaces with any type of sensor and transmits the data wirelessly to a gateway. When operating autonomously, the gateway generates commands and offloads data to a PLC. The gateway can be configured to additionally send signals to remotely-located shutdown nodes that will shut-in the well.
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SignalFire Wireless Telemetry