Перегляд по Автору "Rastsvietaiev, Valerii"
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Elaborating a scheme for mine methane capturing while developing coal gas seams
Koroviaka, Yevhenii; Pinka, Jan; Tymchenko, Svitlana; Rastsvietaiev, Valerii; Astakhov, Vitalii; Dmytruk, Olena (National Mining University, 2020-09-30)Purpose is to substantiate and develop an efficient scheme of coalmine methane capture while preparing and developing gassy coal seams. Methods. Critical analysis of literature sources has been carried out; practice of ... -
Features of drilling an exploratory and production well
Dayyabu, Abubakar Janmutum; Rastsvietaiev, Valerii (2023)An exploration well is drilled to a depth of 9,000 feet or more. Wells from 12,000 to 18,000 feet deep are being drilled to study in detail the geological structure of the earth's crust, the productivity of the field and ... -
Substantiating rational parameters of a method for shrinkage ore stoping while developing thin- vein steeply inclined deposits
Shyrin, Leonid; Koroviaka, Yevhenii; Rastsvietaiev, Valerii; Denyshchenko, Oleksandr (2018)Objective of the paper is to substantiate rational ore-stoping technique while using small wells in the context of thin-vein steeply inclined deposit mining. The technique is based upon the ...