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Vol 148 Iss. 2
Pages:
176-180
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RUS
Article

Theoretical fundamentals of ice drilling using a relief slot

Authors:
A. M. Shkurko
About authors
  • St. Petersburg State Mining Institute
Date submitted:
2000-07-12
Date accepted:
2000-08-12
Date published:
2001-02-01

Abstract

The stability of the walls of wells drilled in a rock mass depends on the stressed state of rocks, their physical, mechanical and rheological characteristics, and the borehole drilling technology. Loss of wellbore stability causes a number of serious complications and accidents in wells. In solving the problem of stability of a wellbore drilled in an ice massif, an attempt has been made to take into account all the main factors influencing the process of wellbore deformation and to obtain a mathematical description of the latter, convenient for practical use in engineering calculations.

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