Drilling of exploratory wells for solid minerals

Drilling of exploratory wells is carried out to determine quantitative and qualitative characteristics of mineral deposits.

While carrying out of geological prospecting in search and survey of mineral deposits of construction materials Co Ltd «Specgeologorazvedka» makes use of drill units SKB and URB, which make it possible to execute feed range by insert bits in diameter of 93mm and more, depending on the category of prospecting rock and it’s lithological character.

Drilling of upright wells is carried out in posting mounted way with minimal quantity of preflush fluid to all pay section and with deepening to basement rocks. Length of the run is 1,5-2,6 m.

Safe characteristic of a mineral is reached by means of sample recovery no less than 80%. While drilling the supervision for water level is lead for detection of conditions which complicate industrial debugging of the deposit.

Geological documentation is lead in corpore by qualified geologists, with lithological and stratigraphic dismemberment.

The methods of producing of geological works strictly correspond with directions and methodological guidance, approved by Ministry of Natural Resources of Russian Federation.