Downhole-to-ground logging communication and control device and method
A control device, ground technology, applied in the direction of buildings, etc., can solve problems such as interference with generators, insufficient generator power, limited transmission rate, etc.
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[0019] A surface-to-downhole quantum logging communication and control device, see figure 1 : it comprises surface part 10 and downhole part 20, and surface part 10 is provided with atomic magnetometer receiving device 1 and the quantum detection equipment 2 of quantum data readout, and downhole part 20 comprises electromagnetic wave emission system 3, and electromagnetic wave emission system 3 is used for Signals detected downhole are encoded and transmitted via electromagnetic waves.
[0020] The atomic magnetometer receiving device 1 is connected with the quantum detection device 2 for quantum data readout through a cable to ensure the accuracy and reliability of the final decoding of the data;
[0021] Atomic magnetometer receiving device 1 adopts high sensitivity 87 Rb atomic magnetometer or diamond quantum magnetometer, its transmission channel covers 0-100Hz, and its detected magnetic field strength is as low as 10 -12 T level, noise floor as low as 1PT / Hz 1 / 2 , with...
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