AN EFFECTIVE DEVICE FOR THE DEVELOPMENT OF SHALLOW AQUIFERS
ТАЯЗ ЖАТҚАН СУЛЫ ҚАБАТТАРДЫ ИГЕРУГЕ АРНАЛҒАН ТИІМДІ ҚҰРЫЛҒЫ
ЭФФЕКТИВНОЕ УСТРОЙСТВО ДЛЯ ОСВОЕНИЯ НЕГЛУБОКО ЗАЛЕГАЮЩИХ ВОДОНОСНЫХ ПЛАСТОВ
Ratov B.T. Кuttybayev А.Е. Tabylganov М.Т. Khomenko V.L. Kainazarov A.S.
2025National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2025#2025Issue 6195 - 208 pp.
The basic problem is the colmatation of the bottomhole zone of aquifers and oil reservoirs, which reduces the flow rate and efficiency of wells. This problem is especially relevant for shallow aquifers (up to 400-500 m), where there are no simple and reliable implosion devices capable of providing a sharp pressure drop and effective reservoir cleaning. Solving this problem is critical for increasing the productivity of water intake wells and reducing operating costs. A structurally simplified implosion device has been proposed and patented, including a large-diameter production column, a smaller-diameter filter, a packer, a partition with a spring-loaded shut-off valve and a chute interacting with it. To study the device, methods of modeling the implosion process, calculating columns for crumpling, taking into account the liquid level and its own weight, analyzing pressure losses in the intake valves, as well as optimizing the geometric parameters of the openings were used. Calculations have been performed for specific geological conditions, including the Tonirekshin deposit. The key hypothesis is that the short-term instantaneous connection of high and low pressure zones creates an implosion effect of sufficient intensity to destroy the colmated zone around the filter. The research results confirmed this hypothesis: implosion ensures effective cleaning of the reservoir, and the destruction products are removed during subsequent pumping. Optimal design parameters and conditions for repeated implosion effect are also substantiated. The practical significance of the results lies in the possibility of using the developed device and its calculation methods in the construction of shallow water intake wells. This makes it possible to improve their performance without using complex and expensive equipment, ensure safe operation of the columns, reduce the cost of reservoir cleaning and increase the durability of water intake facilities.
aquifer , decollimation , development , implosion effect , shut-off valve , vent
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Department “Geophysics and Seismology”, Satbayev University, Almaty, Kazakhstan
Department “Mining“, Satbayev University, Almaty, Kazakhstan
Department “Petrochemical Engineering”, Yessenov University, Aktau, Kazakhstan
Department “Oil and Gas Engineering and Drilling” Dnipro University of Technology, Dnipro, Ukraine
Department, “Mining“, Ekibastuz Engineering and Technical Institute named after Academician K. Satbayev, Ekibastuz, Kazakhstan
Department “Geophysics and Seismology”
Department “Mining“
Department “Petrochemical Engineering”
Department “Oil and Gas Engineering and Drilling” Dnipro University of Technology
Department
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