FIELD: oil and gas industry.
SUBSTANCE: installation for thermal-gas-chemical injection to oil formation comprises a steam-gas generator consisting of a mixing head, a cooled combustion chamber and mixing chamber connected to inlet of turbopump unit turbine, comprising an oxidant pump, a fuel pump, a water pump and a turbine meant for pump drive. Pump inlets are connected to containers of oxidant, fuel and water, respectively, while outlets of the oxidant pump and the fuel pump are connected to the mixing head of steam-gas generator, outlets of the water pump - to the coolant passage of combustion chamber. Turbine outlet is connected to the inner cavity of tubing pipe, a heat-resistant packer separating the inner cavity of the tubing pipe and annular space, in an embodiment a part of water flowing from the water pump is fed to a mixer mounted at the outlet of turbopump unit turbine and connected to the inner cavity of the tubing pipe.
EFFECT: increased efficiency factor.
2 cl, 2 dwg
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