| Type: | Core Drill |
|---|---|
| Usage: | Coring |
| Certification: | CE, ISO |
| Application: | Reaming |
| Industry: | Geological Survey |
| Payment Term: | Tt or LC |
| Samples: |
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| Customization: |
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Reamer selection based on formation type: The type of formation being drilled is an important factor to consider when selecting a diamond reamer. Different formations have varying hardness, abrasiveness, and cutting characteristics. Choose a diamond reamer with the appropriate cutter type, cutter arrangement, and cutting structure that is specifically designed for the formation being drilled. This ensures optimal cutting efficiency and longevity of the reamer.
Reaming fluid selection: The choice of reaming fluid can significantly impact the performance of the diamond reamer. The reaming fluid should be selected based on the formation properties, wellbore stability requirements, and desired drilling objectives. Common reaming fluid options include water-based muds, oil-based muds, and specialty fluids. Consider the lubricity, viscosity, and filtration properties of the reaming fluid to facilitate efficient cuttings removal and minimize friction during the reaming process.
Cuttings transport and removal: Efficient removal of cuttings from the wellbore is essential during reaming to maintain a clean and stable hole. Proper cuttings transport and removal prevent hole plugging, minimize tool wear, and improve drilling performance. Evaluate the drilling fluid flow rate, rheological properties, and cuttings settling velocity to ensure effective cuttings transport and removal.
Reaming while drilling (RWD): Reaming while drilling is a technique where the diamond reamer is deployed while simultaneously drilling the wellbore. RWD combines the drilling and reaming operations into a single continuous process, eliminating the need for separate drilling and reaming runs. This technique can save time and improve drilling efficiency, particularly in soft or unconsolidated formations.
Consideration for directional drilling: When using a diamond reamer in directional drilling applications, additional considerations come into play. Maintain proper borehole trajectory control to achieve the desired wellbore path while reaming. Select a diamond reamer with appropriate stabilization features, such as centralizers or near-bit reamers, to ensure accurate steering and minimize deviation.
Real-time monitoring and data analysis: Utilize real-time monitoring systems and data analysis techniques to optimize the performance of the diamond reamer. Continuous monitoring of drilling parameters, downhole measurements, and drilling dynamics can provide valuable insights into the reaming process. Analyze the data to identify potential issues, make informed decisions, and implement necessary adjustments to improve the reaming operation.
Post-reaming hole condition evaluation: After completing the reaming operation, evaluate the condition of the wellbore to assess the success of the reaming process. Conduct a thorough inspection using wireline logs, imaging tools, or wellbore caliper surveys to verify the gauge hole size, smoothness, and overall wellbore integrity. This evaluation helps identify any irregularities or issues that may require remedial actions or adjustments for subsequent drilling phases.
Training and expertise: Proper training and expertise are crucial for the successful use of a diamond reamer. Operators should receive adequate training on the selection, handling, deployment, and maintenance of diamond reamers. Engage experienced drilling personnel and consult with drilling experts to ensure a comprehensive understanding of the reaming process and best practices.
Continuous improvement: Reaming operations can benefit from a culture of continuous improvement. Collect and analyze performance data, track key performance indicators, and implement lessons learned from previous reaming operations. Regularly review and update drilling procedures, equipment specifications, and operating guidelines to improve efficiency, minimize risks, and optimize the use of diamond reamers.
Remember that using a diamond reamer requires careful planning, adherence to safety protocols, and consideration of various drilling parameters and environmental factors. Consulting with drilling professionals and leveraging industry resources will help ensure successful reaming operations.
Q&A
Can diamond reamers be used for blind-hole reaming?
Yes, diamond reamers can be used for blind-hole reaming, but the cutting parameters and tool design need to be carefully considered.
What is the typical tool life of diamond reamers?
The tool life of diamond reamers can vary depending on the material being reamed, cutting parameters, and tool design. It can range from hundreds to thousands of holes.
How can you measure the wear of a diamond reamer?
Wear on a diamond reamer can be measured using a microscope or by inspecting the surface finish of the machined hole.
What should be done if a diamond reamer becomes dull or worn?
If a diamond reamer becomes dull or worn, it may need to be resharpened or replaced, depending on the specific type of reamer.
Can diamond reamers be used in CNC machines?
Yes, diamond reamers can be used in CNC machines. They are compatible with various types of machining26. Can diamond reamers be used in manual machining?
Yes, diamond reamers can be used in manual machining processes such as milling machines, lathes, or drill presses.
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 |
|
| 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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