Beijing Jincheng Mining Technology Co., Ltd.
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DCDMA Standard B N H P Wire - Line Core Barrel Used In Mineral Exploration Deep Hole
Application
Wire line core barrels are used when coring to greater depths, mainly because they eliminate the need to couple and uncouple the rod string each time the core is retrieved. An overshot device is dropped on a cable and directly couples onto the inner tube assembly, allowing fast retrieval of the core after each core run. Available in DCDMA sizes B, N, H. and P.
Characteristics
Wire-line core drilling equipment is very commonly used for mineral exploration for deep holes because of practical usage.
JCDRILL products are manufactured by using high quality raw materials and designed according to DCDMA ,wire-line –Q standard.
We offers to clients following models of wire-line core barrel compatible with -Q Wire-line Standard Drilling Equipment;
Wire-line Double Tube Core Barrel; B, N, H, P sizes;
Wire-line Triple Tube Core Barrel; B-3, N-3, H-3, P-3 sizes;
Wire-line Core Barrel T2-76, T2-86, T2-101… T series;
Specification
| 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 |
| 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 | 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 |
Packing& Delivery
Service
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.
Purchase Process