METHOD FOR POWERING AND TRANSFERRING INFORMATION FROM DOWN-BLOCK OF TELEMETRIC SYSTEM FOR MOUNTING DOWN-PUMP AND METHOD FOR MOUNTING OF DOWN-PUMP (VARIANTS) Russian patent published in 2004 - IPC

FIELD: wells operation technology.

SUBSTANCE: power and information are transferred by sending alternating currents along the cable, frequency of which is greater than resonance frequency of electrical system of device and is no greater than frequency of fading of oscillations in a cable, while frequency of power current is different from frequency of information transfer in no less than ten times. Device has electric engine and telemetric system with down and surface blocks, each of which includes separating transformer and high-frequency generator. In each block high-frequency generator is connected to first winding of its separating transformer, while secondary winding of transformer is connected to power cable of electric engine and is connected to two phases of electric engine power. Down-block is mounted in head-piece of electric engine and has digital programmable arithmetic-logical device, interface converter, high-frequency generator, power block and data sensor for data about pressure at pump inlet, temperature of windings of down electric engine and oscillations of down-pump.

EFFECT: lesser dimensions of down-block, rational placement of block in a device as well as connection to power cable.

3 cl, 3 dwg