| Customization: | Available |
|---|---|
| Type: | Core Drill |
| Usage: | Coring |
|
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Here are some additional points to consider when using a diamond reamer:
Consider reamer sizing: When selecting a diamond reamer, it's important to consider the appropriate sizing based on the desired hole diameter. Diamond reamers come in various sizes and configurations, including single-diameter reamers and multi-step reamers. Choose the size that aligns with your drilling requirements and the specific target hole size.
Understand cutter types: Diamond reamers can have different cutter types, such as natural diamond or polycrystalline diamond compact (PDC) cutters. Each cutter type has its advantages and suitability for specific drilling conditions. Natural diamond cutters are known for their durability and resistance to abrasive formations, while PDC cutters offer high cutting efficiency and improved durability in certain applications.
Adjust reamer speed and rotation: The rotational speed of the diamond reamer is a critical parameter to consider. Higher rotational speeds can increase the cutting efficiency, but they may also lead to increased wear on the reamer. It's important to find the right balance between cutting efficiency and tool longevity. Adjust the rotational speed based on the formation properties, drilling fluid conditions, and desired drilling objectives.
Optimize weight on bit: The weight on bit (WOB) applied to the diamond reamer affects its cutting performance and the rate of penetration. Adjust the WOB based on the formation hardness and stability. Too much WOB can cause excessive cutter wear or damage, while too little WOB can lead to inadequate cutting action. Optimize the WOB to achieve the desired drilling results.
Consider reamer stabilization: Stabilization is essential during reaming operations, especially in deviated or horizontal wells. Stabilizers attached to the diamond reamer help maintain the centralization of the tool within the borehole, reducing the risk of deviation and ensuring a more accurate hole trajectory.
Plan for torque management: Diamond reaming can generate significant torque, especially in challenging formations or when drilling at high penetration rates. Ensure that the drilling equipment, including the drill pipe and bottom hole assembly, is adequately designed to handle the torque generated during reaming. Proper torque management helps prevent equipment failures and ensures smooth drilling operations.
Evaluate hole cleaning mechanisms: Effective hole cleaning is crucial during reaming operations to remove cuttings and maintain wellbore integrity. Assess the drilling fluid flow rate and optimize the flow properties to enhance hole cleaning efficiency. Consider the use of mechanical cleaning tools or specialized drilling fluid systems to aid in the removal of debris and cuttings from the wellbore.
Implement proper reamer retrieval techniques: Once the reaming operation is complete, it's important to retrieve the diamond reamer from the wellbore safely. Follow the recommended procedures for removing the reamer from the drill string, ensuring proper disengagement and retrieval without damaging the tool or the wellbore.
Conduct post-operation analysis: After the reaming operation, analyze the performance data, including drilling parameters, rate of penetration, and wellbore condition. Evaluate the effectiveness of the diamond reamer and identify any areas for improvement or optimization in future reaming operations.
Remember to always refer to the manufacturer's guidelines, consult with drilling experts, and follow industry best practices when using a diamond reamer. Each drilling operation is unique, and considering these additional points will help ensure a successful and efficient reaming process.
Q&A
What is the difference between natural and synthetic diamonds used in diamond reamers?
Natural diamonds are mined from the earth, while synthetic diamonds are artificially created. Synthetic diamonds are often preferred for their consistent quality and lower cost.
Are there different types of diamond reamers?
Yes, there are various types of diamond reamers, including solid diamond reamers, diamond-coated reamers, and polycrystalline diamond (PCD) reamers.
What are solid diamond reamers?
Solid diamond reamers have a cutting edge made entirely of diamond. They are known for their exceptional hardness and wear resistance.
What are diamond-coated reamers?
Diamond-coated reamers have a steel body with a thin diamond coating applied to the cutting edges. They offer a balance between cost and performance.
What are polycrystalline diamond (PCD) reamers?
PCD reamers have a cutting edge made from a layer of polycrystalline diamond material. They are highly wear-resistant and suitable for high-speed machining.
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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