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Device for calibrating thermal imaging device, has adjustable power source whose first and second outputs are connected respectively to first and second inputs of movement unit, and temperature sensor connected to control unit 2024-11-02
External casing mechanical packer comprises cylindrical hollow housing with a central through channel 2024-07-11
Fluid flow rotator includes a housing in the form of two rings with through holes for fastening elements 2024-06-17
Wellbore cleaning device comprises is rigidly fixed on the casing pipe and is made in the form of two rings installed on the casing string and rigidly connected to each other 2024-05-08
MOTOR OVERHEATING PROTECTION DEVICE 2023-12-26