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Vol 86
Pages:
42
Download volume:
RUS
Research article
Without section

Physical model of a thermodrill projectile

Authors:
A. M. Shkurko
Date submitted:
1980-09-23
Date accepted:
1980-11-29
Date published:
1981-07-09

Abstract

The efficiency of well sinking in glacial deposits by thermo-drilling shells is largely determined by the selection and maintenance of rational modes of operation of the crown-heater and the system of melt water removal from the bottom hole during drilling ...

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