The effect of «pumping wells» procedure on the flow rate of extraction wells
DOI:
https://doi.org/10.31643/2020/6445.12Keywords:
in-situ leaching (ISL), «pumping wells», extraction wells, injection well, static level.Abstract
Study of application of «pumping wells» when mining of uranium deposits by in-situ leaching (ISL) to the mine "Karatau" under conditions of high pressure of groundwater character was performed. The operating «Karatau» mine is located in a deserted, inaccessible, sparsely populated area in the southwestern part of the Shu-Sarysuy depression in the territory of the Suzaksky district, Turkestan oblast. The «Karatau» deposit differs from other deposits in that self-pouring of geotechnological wells with a statistical level of +20 m is observed at all sites. The use of traditional technology for such deposit leads to excessive material and labor costs. Therefore, the technology of "pumping wells" is proposed. It is shown that the use of "pumping wells" procedure leads to achieving a uniform flow rate of extraction wells, reduction in the purchase of the cable production costs for the purchase of submersible pumps and wells in the end cap.
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