Justification for the choice of an alternative drive for a downhole jet pump
DOI:
https://doi.org/10.31471/1993-9965-2026-1(60)-36-46Keywords:
downhole jet pump, pump power, renewable energy, solar energy, wind turbines, geothermal resourcesAbstract
Based on the use of classical laws of hydrodynamics, a calculation algorithm has been developed to
determine the power required to drive a surface pumping unit that directs the working fluid into the pumping and circulation system of a downhole oil jet pump. The power generated by the surface pumping unit is spent on overcoming local and linear hydraulic losses in the elements of the downhole ejection system, creating conditions for the formation fluid to enter the well and transport it to the surface. The main operational factors that determine the power of a surface pumping unit are its productivity and well depth. In order to increase the technical and
economic indicators of the hydrojet method of operating oil wells, it is proposed to use non-traditional energy sources in the form of renewable energy resources to operate surface pumping units of downhole oil production ejection systems. In the process of assessing the geothermal potential of decommissioned oil and gas wells, the possibility of using low-temperature energy was established if the oil recovery conditions require minimum values of the working flow rate. When using solar energy, the maximum area of standardized photovoltaic panels with overall dimensions of 2.02×1.02 m, required to drive the electric motors of surface pumping units, is 431 m2. The mentioned area of placement of photovoltaic panels provides power to the oil jet pump installed at a depth of 4000 m with a maximum active flow rate of 0.006 m3/s. The drive of the surface pumping unit using wind energy is ensured by using model lines of serial wind generators, each of which provides the generation of the necessary electricity for a given range of changes in the power of the well ejection system. Wind turbines of the Winder
series can be used to provide minimum power, and the WES series for maximum power. The use of geothermal, solar and wind energy allows to reduce the cost of oil production and extend the period of profitable exploitation of depleted hydrocarbon deposits.
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