EQUIPMENT FOR STAND-BY OIL WELL RECOVERY Russian patent published in 2010 - IPC E21B37/00 

FIELD: oil-and-gas industry.

SUBSTANCE: assembly contains a steam generator, bars, a nozzle, a valve, balloons with liquid and gas nitrogen, a temperature sensor with balloons gates automatic activation system, not less than two surface located steam generators, designed as steam generator external pipes, connected with fittings. In the external pipes cavities installed internal pipes supported from left and right sides on a steam generators external pipes blind valves, inside which water pipes with nozzles installed, connected with steam generators external pipes cavities, to a high pressure pump and to the water pipeline or a water tank, and ceramic coils with wire, connected with transformers primary and secondary taps, located by the internal pipes ends on the case surface. Or from the internal pipes right side located transformers with wire, and from the left side in internal pipes cavities installed gas burners and pipelines for natural gas and air supply. From the right side of steam generator blind valves, in the internal pipe located channels for exhaust gas withdrawal into the case cavity. One of the steam generators connected to bars. Balloons with inert gas installed on bars. From bars bottom side installed nozzles along whole oil level.

EFFECT: wells recovery efficiency increase.

3 dwg