| Customization: | Available |
|---|---|
| Type: | Core Drill |
| Usage: | Coring |
|
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Here are some additional points regarding the use of diamond reamers:
Enhanced drilling performance: Diamond reamers are often employed in drilling operations where high-performance tools are required. They offer advantages such as superior hardness, wear resistance, and cutting efficiency compared to conventional reamers. The use of diamond reamers can result in improved drilling rates, reduced drilling time, and enhanced overall drilling performance.
Versatility in applications: Diamond reamers find applications in various industries and drilling scenarios. They are commonly used in oil and gas exploration and production, mining operations, geothermal drilling, and construction projects. Diamond reamers are suitable for drilling through different formations, including soft formations, hard formations, and abrasive formations.
Customization options: Diamond reamers can be customized to meet specific drilling requirements. Manufacturers offer a range of cutter sizes, diamond grades, and cutter arrangements to optimize the tool's performance based on the formation characteristics and drilling conditions. Customization options allow users to select the most suitable diamond reamer for their specific application.
Advanced cutter designs: Diamond reamers feature advanced cutter designs to enhance their performance. These designs include various cutter shapes, such as chisel-shaped cutters or dome-shaped cutters, which are engineered to improve cutting efficiency and increase durability. The arrangement of the cutters, such as staggered or spiral patterns, can also contribute to better cuttings evacuation and reduced torque.
Compatibility with directional drilling: Diamond reamers are compatible with directional drilling techniques. They can be used in combination with downhole motors or rotary steerable systems to achieve accurate wellbore trajectory control. Diamond reamers can provide consistent drilling performance in both vertical and deviated wellbores.
Maintenance and refurbishment: Diamond reamers, like any other drilling tool, require regular maintenance and occasional refurbishment. Proper maintenance practices include cleaning the tool after each use, inspecting the cutters for wear or damage, and replacing worn or damaged cutters as necessary. Some reamer manufacturers offer refurbishment services to restore the tool's performance and extend its lifespan.
Cost considerations: Diamond reamers are generally considered high-performance tools with a higher initial cost compared to conventional reamers. However, their superior cutting efficiency and extended tool life can result in cost savings over the long term. It's important to evaluate the specific drilling conditions, formation characteristics, and expected tool life to determine the cost-effectiveness of using diamond reamers.
Remember, the successful use of diamond reamers relies on proper tool selection, appropriate drilling parameters, and adherence to recommended drilling practices. Consulting with drilling experts and reamer manufacturers can provide valuable insights and guidance for maximizing the benefits of diamond reamers in specific drilling operations.
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 considerations apply for flexible liner applications?
A1: Smooth profiles devoid rubble/defects accommodating expandable installations require specialized cleaning/centralization maintaining clearance without restriction flexibility and sealing ability in open hole completions.
Q2: How are horizontal trees installed following reaming laterals?
A2: Centralized wellheads require straight, burr-free holes for hanger assemblies sealing laterals long term. Directional cleaning shapes the path for tubing installation without damage or leakage points impacting production integrity.
Q3: Why are cementing operations important after lateral reaming?
A3: Zonal isolation through annular seal prevents crossflows protecting resources long term. Reamed holes provide paths cementing equipment accessing intervals uniformly without defects for isolation integrity during productive life.
Q4: What challenges arise when reaming highly deviated/complex profiles?
A4: Tight tolerance steering maintains complex geometries within design limits. Increased pressure drops/friction require cleaning optimization. Control prevents damage to openhole intervals from drag/vibration at high inclinations if stabilization or parameters require adjustment. Planning eliminates defects.
Q5: How does reservoir fluid composition impact reaming operations?
A5: H2S, particulates, scale/paraffin inhibitors customized for specific downhole conditions optimize hydraulics without impairing integrity or inducing formation damage reducing long term productivity. Knowledgeable fluid engineers match chemistries.
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