| 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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Some further details about diamond reamers:
Reamer customization: Diamond reamers can be customized to meet specific drilling requirements. Manufacturers can tailor the reamer design, cutter configuration, and cutting structure to optimize performance in different formations and drilling conditions. Customization options include selecting the appropriate cutter type, cutter size, cutter spacing, and cutter arrangement to achieve desired drilling outcomes.
Reamer wear and failure analysis: Monitoring and analyzing reamer wear and failure patterns are crucial for understanding tool performance and making improvements. Manufacturers and operators utilize wear analysis techniques, such as examining cutter wear patterns and analyzing cuttings, to gain insights into the drilling conditions, tool behavior, and potential optimization opportunities.
Reamer run simulations: Prior to deploying diamond reamers in the field, operators can conduct run simulations to evaluate performance and anticipate potential challenges. Using drilling software and computer modeling, engineers can simulate the reamer run in different formations, drilling parameters, and wellbore conditions. These simulations provide valuable insights into the expected drilling efficiency, tool behavior, and potential risks.
Reamer run optimization: During the drilling process, operators continuously optimize the reamer run to achieve optimal performance. This involves adjusting drilling parameters, such as weight on bit, rotary speed, and flow rate, based on real-time data and formation characteristics. By optimizing the reamer run, operators can enhance drilling efficiency, reduce downtime, and minimize tool wear.
Reamer compatibility with drilling fluids: Diamond reamers are compatible with various types of drilling fluids, including water-based muds, oil-based muds, and synthetic-based muds. The selection of drilling fluid depends on factors such as formation type, wellbore stability requirements, and environmental considerations. The properties of the drilling fluid, such as viscosity, lubricity, and filtration control, are optimized to ensure effective cooling, lubrication, and cuttings removal during the reaming process.
Reamer maintenance and tool life management: Proper maintenance practices are essential for maximizing the tool life of diamond reamers. This includes regular cleaning, inspection, and refurbishment of the reamers. Additionally, operators implement tool life management strategies, such as tracking tool performance, monitoring wear rates, and scheduling refurbishment or replacement based on predetermined criteria. Effective tool life management helps optimize drilling operations and reduce overall costs.
Reamer reliability and failure prevention: Reliability is a key consideration in diamond reamer design and manufacturing. Manufacturers employ rigorous quality control processes and testing to ensure the reliability and durability of the reamers. This includes testing the reamers under simulated drilling conditions, conducting destructive and non-destructive inspections, and implementing quality assurance protocols. The aim is to prevent premature tool failures and enhance overall drilling performance.
Reamer advancements for unconventional drilling: Diamond reamers play a significant role in unconventional drilling operations, such as shale gas and tight oil reservoirs. As drilling techniques and technologies in unconventional reservoirs continue to evolve, diamond reamer designs are adapted to address the specific challenges of these formations. This includes developing reamers with enhanced cutting structures, improved cutting efficiency, and better resistance to challenging downhole conditions.
Diamond reamers are continually evolving to meet the demands of the drilling industry. Ongoing research, technological advancements, and collaborations between manufacturers, drilling operators, and research institutions contribute to the development of more efficient, durable, and high-performance diamond reamers.
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: Why is surge and swab pressure control important during reaming?
A1: Surging and swabbing helps remove cuttings from tight clearances, improves cleaning when fluid flow alone is insufficient. Proper control prevents losses and fractures.
Q2: What challenges arise when reaming deviated multilateral junctions?
A2: Directional control maintaining path integrity to accurately intersect lateral branches within tolerance requires specialized motors and steering while minimizing friction and drag at high angles.
Q3: How do wellbore surveys guide complex multi-lateral reaming?
A3: Directional measurements coupled with logging-while-reaming maintain planned profile dimensions steering complex intersections and longreach holes without spiraling off course and missing critical zones.
Q4: What considerations apply for coiled tubing reamed holes?
A4: Smoother profiles sized for composite tubulars require non-gougingcentralization and debris removal without restrictions facilitating expansion, sand exclusion or fluid circulation applications later installed smoothly through extended open hole sections.
Q5: Why is formation strength assessment critical forHP/HT reaming?
A5: Fracture gradient knowledge maintains pressures protecting weak zones from losses while effectively removing cuttings without exceeding pore pressures under extremes necessitating specialized BHAs, controlled hydraulics within narrow operating margins.
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