Patent ID: 6907375

Claim:
A method for monitoring and analyzing a plurality of signals from monitors on at least one first drilling rig of a plurality of drilling rigs, the method comprising providing a plurality of monitors for monitoring a status of a first drilling rig in a system of a plurality of drilling rigs, monitoring with the plurality of monitors information indicative of events at the first drilling rig, transmitting signals from the monitors indicative of the information to a processor on the first drilling rig, the processor including a set of health check rules for health checks comprising logical rules, inputs and outputs for defining events associated with the status of the first drilling rig, determining with the processor a severity code for each event, reporting the events and severity codes with the processor to a central server, the events reported by the processor to the central server in a protocol defining a data structure, the data structure comprising a hierarchical tree node structure wherein results from application of the health check rules are a bottommost node of the tree node structure, and displaying the event severity codes on a display.