1
James V Leggett III, Vladimir Dubinsky, John W Harrell, William Thomas Balogh, Paul J G Seaton, Andrew G Brooks, Roger P Herbert: Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction. Baker Hughes Incorporated, Madan Mossman & Sriram P C, July 11, 2000: US06088294 (262 worldwide citation)

The present invention provides a system for drilling boreholes having a downhole subassembly which contains an acoustic measurement-while-drilling system. The acoustic system contains an acoustic transmitter and receiver for determining the acoustic velocity through the formations surrounding the bo ...


2
William Thomas Balogh, Macmillan M Wisler: Telemetry system, current sensor, and related methods for a drilling system. APS Technology, Baker & Hostetler, Gregory A Grissett, October 17, 2017: US09790784

This disclosure includes a current sensor configured to detect a signal current in a drilling system component of a drilling system, a telemetry system, and a method for detecting a signal current. The current sensor includes a magnetic body, at least one field coil positioned on the magnetic body, ...