Investigations of heater shape influence on rock drilling-melting rate
Abstract
One of the promising directions for the development and improvement of new drilling methods is the destruction of rocks by melting or vaporizing them under conditions of intense thermal influence in the bottom-hole zone. The efficiency of drilling-melting depends little on the hardness and plasticity of rocks, as well as on external factors, and in this sense has a certain universality, which allows already now to anticipate its advantages over mechanical drilling in some specific conditions of well sinking ...
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