| Customization: | Available |
|---|---|
| Type: | Core Drill |
| Usage: | Coring |
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Here are some additional details about diamond reamers:
Reamer durability and wear resistance: Diamond reamers are known for their exceptional durability and wear resistance. The cutters on the reamer are typically made of polycrystalline diamond (PCD) or thermally stable polycrystalline (TSP) materials, which offer high hardness and resistance to abrasion. This allows the reamers to withstand the demanding drilling conditions and extend their operational life.
Reamer design for specific applications: Diamond reamers are designed to address specific drilling challenges and applications. For example, there are specialized reamers designed for underreaming operations, where the reamer expands to a larger diameter to create a larger wellbore section. Other designs include reamers for drilling through hard formations, reamers for drilling in soft formations, and reamers for specific well types such as horizontal or vertical wells.
Reamer deployment methods: Diamond reamers are deployed using various methods depending on the drilling operation and wellbore conditions. Common deployment methods include rotary steerable systems (RSS), where the reamer is integrated with the RSS tool to perform simultaneous drilling and reaming, and dedicated reamer runs, where the reamer is run separately from the drilling assembly.
Reamer size range: Diamond reamers are available in a wide range of sizes to accommodate different wellbore diameters. The selection of the appropriate reamer size depends on factors such as the desired wellbore diameter, casing size, drilling objectives, and wellbore stability requirements. Reamers can range from a few inches in diameter for small-diameter wells to several feet in diameter for large-diameter wells.
Reamer maintenance and refurbishment: Proper maintenance and refurbishment of diamond reamers are essential to ensure their optimal performance and longevity. Regular cleaning, inspection, and refurbishment processes help remove debris, identify any damage or wear, and restore the reamers to their optimal condition. This helps extend the tool's operational life and maintain drilling efficiency.
Reamer compatibility with drilling systems: Diamond reamers are designed to be compatible with various drilling systems, including rotary drilling systems and advanced drilling technologies such as coiled tubing drilling and managed pressure drilling. The reamer design and connection interfaces are engineered to integrate seamlessly with different drilling systems and tools for efficient and reliable operation.
Reamer cost considerations: The cost of diamond reamers can vary depending on factors such as the reamer size, design complexity, cutter type, and customization requirements. While diamond reamers may have a higher upfront cost compared to conventional reamers, their durability and performance can result in cost savings over the long term due to reduced downtime, longer tool life, and improved drilling efficiency.
Reamer research and development: Ongoing research and development efforts in the drilling industry focus on advancing diamond reamer technology. This includes the development of new cutter materials, improved cutting structures, and enhanced reamer designs to further enhance drilling performance, tool reliability, and overall operational efficiency.
Diamond reamers continue to be an important tool in the oil and gas drilling industry, offering durability, wear resistance, and versatility in various drilling applications. Manufacturers and researchers are continually working to innovate and improve diamond reamer designs to meet the evolving needs of the industry.
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 |
Q&A:
Q1. What is an impregnated diamond reamer?
A1. An impregnated diamond reamer has industrial diamonds pressed and bonded into a metal matrix material. This type of reamer is durable and effective for enlarging holes in hard rock formations.
Q2. What are some advantages of using impregnated diamond reamers?
A2. Impregnated diamond reamers offer high abrasion resistance, impact strength, ability to drill a variety of rock types, long life, and consistent performance run after run. The diamond particles are uniformly distributed throughout the bit body.
Q3. What factors influence reamer selection for a particular drilling operation?
A3. Anticipated lithologies, hole sizes required, pressure/temperature conditions, rig capabilities, and planned wellbore profile all guide reamer model and design choices. Optimization relies on matching the reamer to specific downhole conditions.
Q4. Why is effective fluid circulation important while reaming?
A4. Cleaning removes cuttings from the bottom of the hole to reduce re-cutting and prevent premature bit wear. It also cools and lubricates the cutting structure. Proper flow properties are critical for penetration rates and hole quality.
Q5. What are some operational factors that affect reamer performance?
A5. Parameters like rotation speed, weight on bit, fluid viscosity/flow rate, depth/pressures must be optimized based on formation properties and monitored. Bit design, stabilization, cleaning efficiency also influence reaming progression and integrity.
Q6. Why is it important to survey the hole while reaming?
A6. Surveying confirms hole trajectory stays within specifications so casing/liners can be precisely installed. It also detects any directional corrections needed and steering adjustments to maintain optimum wellbore quality.
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