DEVICE FOR DATA TRANSMISSION DURING DRILLING Russian patent published in 2016 - IPC E21B47/125 

FIELD: geophysics.

SUBSTANCE: invention relates to field geophysics and can be used for transmitting bottom-hole information in well drilling. Device for transmitting information during drilling comprising power supply unit connected to a source of high-voltage pulses, dielectric insert, controlled switch, the output of which is connected to the string of drill pipes. Device also has a modulator vibrations, installed at the bottom hole, in the form of fluid oscillator, outlet nozzle is connected with bellows, that is connected with controlled switch, one output of which is connected to the turbo-drill on the bottom of the well, and the second - with flow of drill pipes. Device also comprises a resistor, suppression filter, receiving device, installed at the wellhead, the resistor is connected to the output of the power supply unit, the second output of which is connected to the bed, suppression filter is connected in parallel with resistor, and the input of the receiving device is connected to the output of the barrier filter.

EFFECT: longer range and reliability of transmitting information in drilling due to improvement of its design.

1 cl, 1 dwg