PROCESSING COMPLEX FOR EXTRACTION OF HARD-TO-RECOVER HYDROCARBONS (EMBODIMENTS) Russian patent published in 2021 - IPC E21B43/24 

FIELD: oil, gas and coke-chemical industries.

SUBSTANCE: group of inventions relates to oil and gas industry and can be used for energy-efficient extraction of hard-to-recover hydrocarbons using renewable environmentally safe energy sources. Complex comprises a water treatment unit connected through a feed pipeline with a working agent generation module, comprising a first power unit and a heating unit, module output is able to connect to the tubing string placed in the well casing pipe for delivery of the generated agent to the productive formation, and the well output can be connected to the separator unit for separation of the multiphase hydrocarbon mixture delivered to the day surface. As the first power unit a solar thermal station is used, at that, the complex is equipped with the second and third power units, as well as the heat energy accumulator connected to the heating unit, and solar thermal station is additionally connected to input of accumulator for its makeup with generated heat energy, output of the second power unit is supplied to input of heat energy accumulator, and the input of the third power unit is fed with a channel for withdrawal of the multiphase hydrocarbon mixture, and its output is connected to the unit of separators, at that the third power unit is connected to the input of the second power unit for its feeding with generated energy. In the embodiment of the complex the heat exchanger is used as the first power unit.

EFFECT: higher energy efficiency of the complex.

21 cl, 5 dwg