WELLS HYDRODYNAMIC LOGGING DEVICE Russian patent published in 2018 - IPC E21B49/08 

FIELD: mining.

SUBSTANCE: claimed invention relates to the mining, and can be used for the uncased wells hydrodynamic studies. According to the invention, the assigned task is solved by fact, that the wells hydrodynamic logging device is made in the form of two sealed blocks, separated by the clamping system, made in the form of the pantograph type multi-link lever mechanism with the sealing element 13 and the channel 14, at that, the first block contains connected to the sample receiver 10 drive 3 the power supply unit 2, with piston 4 placed in the depression chamber 5, which by the channel with a hydraulic valve 6 is connected to the cylinder, inside which pistons 8, 9 and the separating piston 7 are installed, designed to isolate the cylinder cavity, the sample receiver 10, which by the channel is connected to the pressure sensor 11, telemetry unit 24 and the sealing element 13, and the other block 15 comprises connected to the piston 17 rod 16, separating piston 18 by the channel connected to the piston 17, electromagnetic valve 19 by the channels connected to the piston 17, the separating piston 18, and also by the channel connected to the discharge chamber 20, pressure relay 22 by the channels connected to the solenoid valve 20 and the integrated reversing valve 21, designed to hold pressure in the pressing system pantograph type multi-link lever mechanism drive system 23 during the fluids sampling.

EFFECT: object of the invention is development of the wells hydrodynamic logging device, providing the permeable layers hydrodynamic characteristics determining high accuracy while improving reliability and safety during operation, and expansion of its application scope.

1 cl, 5 dwg