DCDMA Standard B N H P Wire - Line Core Barrel Used In Mineral Exploration Deep Hole
Overall, the double tube core barrel is a valuable tool for geologists, mining engineers, and environmental scientists. Its ability to collect high-quality rock samples with minimal disturbance makes it an essential component of many drilling projects.
Specification | Core Barrel Type | |||
B W/L | N W/L | H W/L | P W/L | |
Hole Diameter (mm) | 59.9 | 75.7 | 96.3 | 122.8 |
Core Diameter (mm) | 36.4 | 47.6 | 63.5 | 85.0 |
Kerf / Crown Thickness (mm) | 11.6 | 13.9 | 16.2 | 18.5 |
Cutting Area (cm2) | 18.3 | 27.2 | 41.1 | 61.7 |
Hole Area (cm2) | 28.3 | 45.0 | 72.8 | 118.5 |
Cutting Area as % of Hole Area | 64% | 60% | 56% | 52% |
Core Area (cm2) | 10.3 | 17.8 | 31.7 | 56.8 |
Recommended Drill Rod | B W/L | N W/L | H W/L | P W/L |
Recommended Casing | BW | NW | HW | PW |
Conversion to triple tube possible | Yes | Yes | Yes | Yes |
Our Services:
Ø Provide the technical design and solutions;
Ø Designing and manufacturing of non-standard equipment;
Ø Professional technical training and guidance on site according to the contract;
Ø Supply accessories at any time;
Ø Tele-technical consulting and services;
Ø Other special technical service according to client's requirements.
We specialized in producing of varies diamond drilling tools, such as impregnated/surface-set diamond core bits, diamond casing shoes, diamond rod shoes, reaming shells, TC core bits/casing shoes/TC rod shoes, PDC bits, Thin Wall Bits, core lifters, core lifter cases, core barrels, and kinds of drilling rigs etc.