NTW HTW Diamond Core Barrel Backend Head Assembly for 60-122.7mm Hole Diameter Wireline Drilling
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
1 week
Brand:
SINOCOREDRILL
Product Description
NTW HTW Diamond Core Barrel Backend Efficient Head Assembly
The NTW HTW Diamond Core Barrel Backend Efficient Head Assembly enables advanced wireline drilling operations for geological exploration and mineral sampling. This specialized system allows for efficient core retrieval without removing the entire drill string, significantly reducing operational time.
Wireline Drilling Technology
Wireline drilling represents a specialized method for core removal where an overshot mechanism on a wireline attaches to the core barrel inner tube, enabling extraction without disassembling the rod string. This innovative approach delivers substantial time savings compared to conventional drilling methods.
Core Size Specifications
Available in multiple standard sizes for both double tube and triple tube surface exploration:
| System Type | Size | Hole Diameter (mm) | Core Diameter (mm) | Hole Diameter (in) | Core Diameter (in) |
|---|---|---|---|---|---|
| Double Tube | BQ | 60 | 36.4 | 2.36 | 1.43 |
| NQ | 75.7 | 47.6 | 2.98 | 1.88 | |
| HQ | 96.1 | 63.5 | 3.78 | 2.5 | |
| PQ | 122.7 | 85 | 4.83 | 3.34 | |
| Triple Tube | NQ3 | 75.7 | 45 | 2.98 | 1.78 |
| HQ3 | 96.1 | 61.1 | 3.78 | 2.41 | |
| PQ3 | 122.7 | 83 | 4.83 | 3.27 |
C-Q Series Technical Specifications
| Series | Model | Drill Bit (mm) | Reamer Outer Diameter (mm) | Outer Tube Outer Diameter (mm) | Inner Tube Outer/Inner Diameter (mm) | Unit Weight (kg/set) |
|---|---|---|---|---|---|---|
| C-Q Series | BQ | 59.5 | 60 | 57.2 | 42.9/38.1 | 45 |
| NQ | 74.6 | 75.8 | 73 | 55.6/50 | 65 | |
| HQ | 95.6 | 96 | 92.1 | 73/66.7 | 105 | |
| PQ | 122 | 122.6 | 118 | 95.3/88.9 | 150 |
Key Advantages
- Faster coring operations at greater depths
- Enhanced stability through constant drill string diameter
- Superior hydraulic performance
- Excellent core recovery rates
Wireline Double Core Barrel Components
- Head Assembly
- Inner Tube: 1.5m or 3.0m lengths
- Stop Ring
- Core Lifter
- Core Lifter Case
- Locking Coupling
- Adapter Coupling
- Landing Ring
- Outer Tube: 1.5m or 3.0m lengths
- Inner Tube Stabilizer
- Thread Protector
Available Series & Sizes
Compatible with multiple international standards including Wireline series (Geobor S, WLA, WLB, WLN, WLH, WLP), T2 series, TT series, T6 series, B series, MLC series, LTK series, WF series, WT series, WG series, WM series, and various other standards including Chinese specifications from 56mm to 275mm.
Professional Services
- Technical design and engineering solutions
- Custom non-standard equipment manufacturing
- On-site technical training and guidance
- Comprehensive spare parts supply
- Remote technical consulting and support
- Specialized technical services tailored to client requirements
As a leading manufacturer with ISO9001:2000 and CE certifications, we provide high-quality diamond drilling tools including impregnated/surface-set diamond core bits, casing shoes, reaming shells, TC core bits, PDC bits, and complete drilling systems. Our products serve clients worldwide across multiple continents with OEM services available.
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Get in Touch
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Company
Jiangsu Sinocoredrill Exploration Equipment Co., Ltd
Location
No.122, Xizhang Road, Wuxi City, Jiangsu Province, 214413, P.R. China
Contact Person
Amelia