| Customization: | Available |
|---|---|
| Type: | Core Drill |
| Usage: | Coring |
|
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Here are some additional details about diamond reamers:
Reamer customization: Diamond reamers can be customized to meet specific drilling requirements. Manufacturers can tailor the reamer design, cutter selection, and other features to optimize performance in different formations, drilling scenarios, and wellbore conditions. Customization allows for greater efficiency and effectiveness in achieving desired wellbore enlargement objectives.
Reamer design considerations: When designing diamond reamers, several factors are taken into account. These include the expected formation hardness, wellbore stability requirements, cutter durability, hydraulic flow optimization, and compatibility with other drilling tools. The design process involves a combination of engineering expertise, computational modeling, and field testing to create efficient and reliable reamer designs.
Reamer durability and cutter life: Diamond reamers are built to withstand the harsh conditions encountered during drilling operations. The materials used in the reamer body and cutter construction are selected for their strength, wear resistance, and corrosion resistance. The durability of the reamer ensures extended tool life and reduces the frequency of maintenance and replacement, resulting in cost savings for drilling operators.
Reamer performance optimization: To optimize reamer performance, drilling engineers and operators consider factors such as drilling parameters (e.g., weight on bit, rotary speed, flow rate), wellbore trajectory, wellbore stability, and mechanical efficiency. By adjusting these parameters and monitoring the reamer's response, operators can fine-tune the drilling process to maximize the reamer's cutting efficiency, minimize drilling time, and achieve the desired wellbore enlargement results.
Reamer deployment in challenging formations: Diamond reamers are often used in challenging formations such as hard rock, abrasive formations, or formations with varying hardness. In these formations, reamers with specialized cutter designs, enhanced cutter materials, or advanced cutting structures are employed to improve cutting efficiency, reduce wear, and withstand the formation challenges.
Reamer maintenance and repair: Regular maintenance and timely repair are essential for ensuring optimal performance and extending the life of diamond reamers. Maintenance activities may include cleaning, inspection, lubrication, and minor repairs. If significant damage or wear is identified, the reamer may need to be sent to a specialized facility for repair or refurbishment, which can involve reapplying protective coatings, replacing cutters, or repairing structural components.
Reamer cost considerations: The cost of diamond reamers can vary depending on factors such as size, design complexity, cutter type, and customization requirements. While diamond reamers may have a higher upfront cost compared to conventional reamers, their durability and efficiency can result in cost savings over the long term due to reduced downtime, improved drilling performance, and extended tool life.
Reamer environmental considerations: Environmental considerations are increasingly important in the drilling industry. Manufacturers are developing eco-friendly reamer designs by using materials and coatings that minimize environmental impact. Additionally, efforts are being made to optimize reamer performance to reduce energy consumption and minimize waste generation during drilling operations.
Diamond reamers continue to be a critical tool in the drilling industry, enabling efficient wellbore enlargement and improved drilling performance. Ongoing research, technological advancements, and collaboration between manufacturers, service providers, and drilling operators contribute to the continuous improvement of diamond reamer designs, performance, and sustainability.
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. How does borehole exposure benefit appraisal activities?
A1. Openhole logging/testing optimizes reservoir understanding before committing to long-term casing required by exploration/evaluation operations.
Q2. Why is formation strength a primary consideration for HPHT reaming?
A2. Knowledge of fracture gradients under pressure/temperature extremes ensures pressures are contained without losses or unplanned flows from weak zones.
Q3. How does horizontal reaming differ from vertical?
A3. Inclination increases mechanical forces requiring parameters optimization, stabilization, and directional control to maintain planned profiles.
Q4. What challenges arise with depleted or unstable formations?
A4. Maintaining integrity without further damage or induced losses/subsidence necessitates specialized casingless techniques for economic production.
Q5. Why is coiled tubing gaining utility for remedial operations?
A5. Its continuous-rotation, flexible deployment accesses intervals for zonal treatments without rigs through slim holes prepared by smaller equipment.
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