Ratov, B. T. та Khomenko, V. L. та Koroviaka, Ye. A. та Borash, B. R. та Shypunov, S. O. (2023) DEVELOPMENT OF AN EFFECTIVE TECHNOLOGY FOR THE CONSTRUCTION OF LARGE-DIAMETER WATER WELLS. UNIVERSITAS Publishing. с. 280-314.

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English abstract

Subject of study. Technology of drilling large-diameter water wells with reverse circulation in the conditions of the Samskoye groundwater field. Methodology. The tasks were solved by a complex research method, which in- cludes a review and generalization of literary and patent sources, analytical studies of existing methods for optimizing the technological parameters of drilling with reverse circulation using an airlift. Purpose. A sharp increase in the use of groundwater resources of the Samskoye field through the introduction of advanced technologies for drilling water wells, ensuring their maximum flow rate at high quality and at the lowest cost. Findings. It has been established that in the study of the airlift circulation meth- od during rotary drilling with reverse circulation, an important role is played by the analysis of the pressure balance arising in the course of drilling in the annulus and in the drill string. It takes into account both hydrostatic pressures and pressure losses for pumping water and water-air mixture. A technique has been developed for as- sessing the effect of rate of penetration on circulation parameters.

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