Borehole Drilling

Drilling operations includes the geotechnical borehole structure of any diameter and depth, which predominantly is carried out by mechanized method. Borehole structure , in addition to the main process - drilling , includes a number of utility- subsidiary and associated processes and operations ( site layout , installation and dismantling the drilling rig and other drilling equipment , preparation of wash solution ( agent) , dive and recovery of casing , etc . ) . Also drilling operations includes experimental work carried out in the boreholes, hydrogeological observation and etc.