A set of geophysical measurements in boreholes used to determine the lithological profile of the borehole and its technical condition.
A special form of service work used in drilling operations. In principle, it is the application of the effects of industrial explosives, specially manufactured for this purpose.
Flushing of sand filters
The anti-sand filter prevents the migration of free rock material towards the mining probe and thus protects the probe equipment from collimation and abrasion.