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Vol 183
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Research article

Collecting properties of rocks in changes оf stress state type

A. T. Karmansky
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  • Ph.D. Senior Research Fellow Saint-Petersburg State Mining Institute (Technical University)
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The article presents the results of investigations of the influence of stress state form, cyclic loading and time of bearing specimens under loads on the pattern of changes in porosity and permeability. It was stated that compressibility of rocks is proportional to porosity, and with rise of applied stress the compressibility decreases exponentially.

stress state cyclic loading porosity permeability compressibility limestone sandstone oil field
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  1. Грунтоведение / Под ред. Е.М.Сергеева. М.: Изд-во МГУ, 1971. 576 c.
  2. Свойства горных пород при разных видах и режимах нагружения / Под редакцией А.И.Берона. М.: Недра, 1983. 296 c.

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