LUBRICATOR PLANT WITH INTELLIGENT ACTUATORS Russian patent published in 2016 - IPC E21B33/00 E21B47/00 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to gas industry, specifically to devices providing for performance of geophysical investigations and works in gas wells using devices and tools on a logging cable. Disclosed is a lubricating plant, which additionally includes a test device and an injector for a hydrate formation inhibitor, hydraulic system includes an inhibitor supply line, and information-control system includes sensors for inhibitor pressure, position of shear rams, pressure in receiving chamber of lubricator, position of trap signalling device, well fluid temperature, detecting gas leaks and level sensors in tanks with sealing grease, working fluid and inhibitor.

EFFECT: reduced risks of emergencies and providing control of well fluid leaks into atmosphere, prevention of complications caused by formation of ice hydrate plugs, control of tightness of lubricator after replacement of downhole instrument and monitoring of flow rate of liquids during operations.

1 cl, 1 dwg