Physical model of a thermodrill projectile
Authors:
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 ...
Область исследования:
(Archived) Without section
Funding:
None
Similar articles
Development of the control system of the underwater rotary column sampler
1981 A. V. Lukoshkov, I. G. Shelkovnikov
Experience in determining the stability of clayey rocks in the borehole walls
1981 I. L. Eberling, V. Ya. Klimov
Conditions of perennially frozen rocks not thawing during casing cementing with warming up
1981 A. M. Yakovlev, A. N. Salamatin
Application of hydrophobic emulsion for drilling through mudstones of the Exploration Formation of the Norilsk Region
1981 A. N. Kholodok, V. Ya. Klimov