| Customization: | Available |
|---|---|
| Type: | Core Drill |
| Usage: | Coring |
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Some additional details about diamond reamers in mineral exploration and geological survey:
Reamer optimization and simulation: Advanced computer modeling and simulation techniques are employed to optimize the design and performance of diamond reamers. Finite element analysis (FEA) and computational fluid dynamics (CFD) simulations are used to study the reamer's structural integrity, fluid flow dynamics, and cutting efficiency. These simulations help in identifying potential design improvements, enhancing the reamer's performance, and reducing drilling risks.
Reamer compatibility with drilling fluids: Diamond reamers should be compatible with the drilling fluids used in mineral exploration and geological survey drilling. Different drilling fluids, such as water-based muds, oil-based muds, or synthetic-based muds, have varying properties and requirements. The reamer design should consider factors such as fluid compatibility, lubrication, and the prevention of cuttings accumulation or balling.
Reamer cleaning and maintenance: Proper cleaning and maintenance of diamond reamers are essential to ensure their longevity and performance. After each drilling operation, reamers should be thoroughly cleaned to remove drilling debris, mud, or other contaminants. Regular inspection and maintenance, including cutter replacement if necessary, should be conducted to ensure the reamer's cutting efficiency and prevent premature wear or failure.
Reamer design for specific formations: Diamond reamers can be specifically designed or optimized for drilling through certain types of formations. For example, reamers designed for hard rock formations may feature enhanced cutter strength and wear resistance, while reamers for soft or unconsolidated formations may have specialized cutter configurations for efficient penetration and cuttings removal.
Reamer compatibility with drilling techniques: Different drilling techniques, such as rotary drilling, core drilling, or percussion drilling, may require specific features or modifications in diamond reamer design. The choice of drilling technique depends on factors such as the depth of drilling, formation characteristics, and sample recovery requirements. Diamond reamers should be selected or designed to be compatible with the chosen drilling technique.
Reamer quality control: Manufacturers of diamond reamers implement stringent quality control measures to ensure the reliability and performance of their products. Quality control processes may include material testing, cutter inspection, dimensional checks, and performance verification through laboratory or field testing. Choosing reputable manufacturers with established quality control practices is crucial to ensure the reliability and effectiveness of diamond reamers.
Reamer size selection: The selection of the appropriate reamer size depends on factors such as the desired wellbore diameter, drilling technique, formation hardness, and drilling equipment specifications. Proper reamer size selection is essential to achieve the desired wellbore dimensions and optimize drilling performance while ensuring efficient cuttings removal and minimizing the risk of hole deviation.
Reamer compatibility with core orientation tools: In geological survey drilling, core orientation tools are often used to determine the orientation and structure of the geological formations encountered. Diamond reamers should be compatible with core orientation tools, allowing for accurate alignment and orientation of the retrieved rock cores. This compatibility ensures precise geological analysis and interpretation.
Reamer performance tracking and analysis: Tracking and analyzing the performance of diamond reamers over time provides valuable insights into their wear patterns, cutting efficiency, and overall effectiveness. This information helps operators evaluate the reamer's performance, plan maintenance actions, and make informed decisions regarding reamer selection and optimization for future drilling projects.
Environmental impact considerations: Environmental stewardship is increasingly important in mineral exploration and geological survey drilling. Operators should consider the environmental impact of diamond reamers and take measures to minimize their footprint. This may include using environmentally friendly drilling fluids, implementing waste management practices, and selecting reamers with environmentally conscious manufacturing processes.
These additional details provide further insights into the characteristics, applications, and considerations related to diamond reamers in mineral exploration and geological survey. As always, consulting with experts in the field and staying informed about the latest industry advancements will help ensure the successful implementation of diamond reamers in drilling projects.
Q&A
Q1: What is a diamond reamer?
A1: A diamond reamer is a tool used to enlarge boreholes. It has a tubular body fitted with industrial diamond cutting wheels or segments for rock drilling.
Q2: What are the common types of diamond reamers?
A2: Common types include impregnated, studded, segmented, matrix, and bonded diamond reamers.
Q3: What material are the diamonds bonded to?
A3: In most reamers, diamonds are bonded to a metal matrix like tungsten carbide using sintering or brazing.
Q4: What is the purpose of a diamond reamer?
A4: To enlarge holes previously drilled using a core or drill bit to allow casing/liner/pipe installation.
Q5: What industries commonly use diamond reamers?
A5: Mining, foundation drilling, tunneling, geothermal, water well, oil and gas exploration industries regularly use diamond reamers.
Q6: What type of rock can reamers drill through?
A6: Shale, limestone, sandstone, basalt, granite and other igneous/metamorphic rocks. Hard rock requires more wear.
Q7: What size boreholes can reamers be used for?
A7: Diameters range from 4-36 inches depending on reamer/rig size, usually enlarging holes a few inches wider.
Q8: What causes wear on a diamond reamer?
A8: Abrasive action, impact in fractured zones, heat generated during high RPM drilling.
Q9: How long does a reamer typically last?
A9: 20-40 hours on average but ranges from a few to over 100 hours depending on geology.
Q10: What are signs a reamer needs replacement?
A10: Drop in ROP, increased torque/vibration, visible wear, changed cuttings, inability to ream.
Model or type:
Specifications
| ITEM | DIAMOND BIT | Reaming shell | |||||
| "Q" Series Wireline assembly |
Size | Bit Outer Diameter | Bit Inner Diameter | ||||
| mm | inch | mm | inch | mm | inch | ||
| AQ | 47.60 | 1.88 | 26.97 | 1.06 | 48.00 | 1.89 | |
| BQ | 59.50 | 2.35 | 36.40 | 1.43 | 59.90 | 2.36 | |
| NQ | 75.30 | 2.97 | 47.60 | 1.88 | 75.70 | 2.98 | |
| HQ | 95.58 | 3.77 | 63.50 | 2.50 | 96.00 | 3.78 | |
| PQ | 122.00 | 4.80 | 84.96 | 3.35 | 122.60 | 4.83 | |
| Metric T2 Series | 36 | 36.0 | 1.417 | 22.0 | 0.866 | 36.3 | 1.429 |
| 46 | 46.0 | 1.811 | 32.0 | 1.260 | 46.3 | 1.823 | |
| 56 | 56.0 | 2.205 | 42.0 | 1.654 | 56.3 | 2.217 | |
| 66 | 66.0 | 2.598 | 52.0 | 2.047 | 66.3 | 2.610 | |
| 76 | 76.0 | 2.992 | 62.0 | 2.441 | 76.3 | 3.004 | |
| 86 | 86.0 | 3.386 | 72.0 | 2.835 | 86.3 | 3.398 | |
| 101 | 101.0 | 3.976 | 84.0 | 3.307 | 101.3 | 3.988 | |
T Series |
TAW | 47.6 | 1.875 | 23.2 | 1.31 | 48.0 | 1.89 |
| TBW | 59.5 | 2.345 | 44.9 | 1.77 | 59.9 | 2.36 | |
| TNW | 75.3 | 2.965 | 60.5 | 2.38 | 75.7 | 2.98 |
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| Reaming classification | |
| T series | T36,T46,T56,T66,T76,T86 |
| Cable series | AWL,BWL,NWL,HWL,PWL(Front end,rear end) |
| WT series | RWT,EWT,AWT,BWT,NWT,HWT(single tube/double tube) |
| T2/T series | T256,T266,T276,T286,T2101,T676,T686,T6101,T6116,T6131,T6146,T6H |
| WF series | HWF,PWF,SWF,UWF,ZWF |
| WG series | EWG,AWG,BWG,NWG,HWG(single tube/double tube |
| WM series | EWM,AWM,BWM,NWM |
| Others | NMLC,HMLC,LTK48,LTK60,TBW,TNW,ATW,BTW,NTW,AQTK NXD3,NXC,T6H,SK6L146,TT46,TB56,TS116,CHD101 |
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