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...y leakage or obliterated by 60-Hz noise. These problems can be overcome by telemetry systems (also known as distributed systems), which have an analog connectio ...l. Future developments, such as cables with increased numbers of channels, telemetry, and more advanced electronics have spawned areas of specialization beyond

...red “real time” MWD system, data are sent directly to the surface by ''mud telemetry'', which utilizes the column of fluid inside the drill pipe as a transmissi The mud telemetry signals are detected with pressure transducers in the standpipe. The digita