Exploration – Water – Borehole – Drilling and Sampling – Logistics
RC Reverse Circulation Drilling – Chip Sampling - Diamond Core Drilling – Core Recovery – Sample Assaying
Target Identification - Mobilization - Rigging and Establishment - Drilling and Sampling - Logistics and Sample Dispatching
Exploration diamond drilling is used in the mining industry to probe the contents of known ore deposits and potential sites. By withdrawing a small diameter core of rock from the orebody, geologists can analyse the core by chemical assay and conduct petrologic, structural and mineralogical studies of the rock.
Exploration diamond drilling differs from other geological drilling in that a solid core is extracted from depth, for examination on the surface. The key technology of the diamond drill is the actual diamond bit itself. It is composed of industrial diamonds set into a soft metallic matrix. As shown in the figure, the diamonds are scattered throughout the matrix, and the action relies on the matrix to slowly wear during the drilling, so as to expose more diamonds. The bit is mounted onto a drill stem, which is connected to a rotary drill. Water is injected into the drill pipe, so as to wash out the rock cuttings produced by the bit and also to reduce the heat produced due to friction which causes less wear and tear of the bits. An actual diamond bit is a complex affair, usually designed for a specific rock type, with many channels for washing.
Water Borehole Drilling Projects include the Drilling of Boreholes for Domestic and Industrial Applications, Water Borehole Monitoring for Graveyards and Seepage Contaminants as well as Boreholes for Research and Development Purposes.
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