Яндекс.Метрика

L.A. Nazarova, L.A. Nazarov, M.I. Epov, I.N. El'Tsov

Выпуск: 5 , Год издания: 2013
Сериальное издание: Journal of Mining Science
Страницы: 704-714

Аннотация

The authors have developed and numerically implemented 3D model of evolution of geomechanical and hydrodynamic fields during deep borehole drilling. The modeling exercises showed low-permeable zone of irreversible deformations that appear under definitely interrelated rock strength properties, drilling mud pressure and in situ horizontal stresses in borehole environment. These low-permeable irreversible-deformation zones give rise to angular anisotropy of distribution of water content and drilling mud resistivity in the flushed zone, which greatly affects readings of geophysical logging and must be considered in the logging data inversion
индекс в базе ИАЦ: 047041