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Closed-loop drilling system using a high-speed communications network

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A closed-loop downhole drilling system is disclosed that includes a high-speed communications network, comprising multiple nodes, integrated into a downhole drilling string. The high-speed communications network supports data transmission rates far exceeding data rates of mud pulse telemetry systems. Sensors, located at a selected points along the downhole drilling string, are operably connected to the nodes and transmit data through the communications network corresponding to conditions sensed downhole. A control module receives the sensor data through the communications network and automatically adjusts uphole or downhole-drilling parameters in response thereto.
Hall, David R. (Provo, UT), Fox, Joe (Spanish Fork, UT)
10/ 878,775
June 28, 2004
[0001] This invention was made with government support under Contract No. DE-FC26-01NT41229 awarded by the U.S. Department of Energy. The government has certain rights in the invention.