1. Inseparable device for gas-liquid mixture discharge measuring and determination of gas-oil-liquid content in wells;

  2. Pressure regulator;

  3. Gas-liquid flow discharge regulator;

  4. Valve for creation of multiple instantaneous depression on formation with the subsequent pressure maintenance;

  5. Cutoff valve of bottom-hole formation zone (BHFZ) from a well;

  6. Cutoff valve for prevention of uncontrolled oil and gas flows;

  7. Valve for periodic gaslift;

  8. Valve for automatic starting and gas-lift well operation without using the wellhead gas-flow regulator;

  9. Hydraulic reusable packer;

  10. Gaslift well unit for small diameter borehole;

  11. Universal well tool for cable operations;

  12. Remote measuring of fluid levels in gaslift wells.



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