Methods and systems for transmitting and receiving a...

Details Methods and systems for transmitting and receiving a... Methods and systems for transmitting and receiving a...

2007-03-06

2007-03-06

Wong, Albert K. (Department: 2612)

Communications: electrical

Wellbore telemetering or control

Multiplexed signals

C340S856300, C367S085000, C370S464000

Reexamination Certificate

active

11035107

ABSTRACT:
Methods and systems for transmitting and receiving a discrete multi-tone (DMT) modulated signal in a fluid. Some illustrative embodiments may be a method comprising transforming an input data series into an information-carrying signal (the information-carrying signal carrying input data from the input data series as modulations of at least one of a plurality of evenly spaced frequency bins), and applying the information-carrying signal to a transducer that converts the information-carrying signal into pressure variations within a fluid.

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Wallace R. Gardner; “Final Report: MWD Mud Pulse Telemetry System”; Gas Research Institute; Report GRI-02/0019.
Perry A. Fischer; “Real-time drill pipe telemetry: a step-change in drilling: high speed data transmission through the drill pipe has been a long-sought goal-it's finally nearing commercial use”; 4 pp.; World Oil, vol. 224, Issue 10; Oct. 1, 2003.

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