Your Professional Shaped PDC Cutter Supplier
Henan Deqin New Material Co., Ltd. specializes in the R&D and manufacturing of PDC cutters for oil & gas drilling, mining, and construction applications. The company operates dedicated production lines and modern factory facilities supported by advanced manufacturing and inspection systems. Core equipment includes high-pressure synthesis machines, Scanning Electron Microscopes (SEM), Energy Dispersive Spectrometers (EDS), and X-ray Diffractometers (XRD), ensuring reliable quality control and product consistency. With strong technical expertise and continuous process improvement, DQ provides dependable PDC solutions for global industrial customers.
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Axe PDC Cutter1.High impact durability. 2.Increases shearing and crushing action. Enhances drilling efficiency. 3.Provides unparalleled performance in hard and brittle formations. 4.Fast delivery. -
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Stinger Conical PDC Cutter1. Ultra-thick polycrystalline diamond layer. 2. Highly efficient rock fracturing. 3. Optimized load distribution, reduced wear. 4. Excellent impact resistance, protecting the drill bit. -
![Domed Shaped PDC Cutter]()
Domed Shaped PDC Cutter1.Spherical design reduces wear and tear; . 2.Unique interface increases composite sheet toughness; . 3.Stable performance adapts to complex formations; . 4.Extended lifespan reduces maintenance -
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Triple-ridged Benz PDC Cutter1.Structural design improves drilling efficiency and lifespan. 2.Reduces stick-slip risk during deep drilling. 3.High rock-breaking efficiency and low cutting resistance. 4.Strong impact and -
![Crested Shaped PDC Cutter]()
Crested Shaped PDC Cutter1.Structural design improves drilling efficiency and lifespan. 2.Reduces stick-slip risk during deep drilling. 3.High rock-breaking efficiency and low cutting resistance. 4.Strong impact and -
![Microarc Shaped PDC Cutter]()
Microarc Shaped PDC Cutter1. High wear resistance. 2. High-temperature stability. 3. Reduced risk of cracking, extending tool life. 4. Improved impact toughness through optimized force distribution.
Why Choose Us
Our Certificate
Our products have passed ISO9001 certification in 2016, ensuring standardized production and reliable quality management.
Quality Control
A full end-to-end quality control system is applied from raw material analysis to final inspection. Multiple performance tests ensure stable and dependable PDC quality.
Sales Market
Our products are exported to the United States, Canada, Russia, Germany, Australia, and South Korea. Long-term cooperation reflects stable quality and trusted service.
OEM & ODM Capability
Our provides flexible OEM and ODM services based on customer requirements. Strong manufacturing experience supports customized PDC solutions and efficient technical communication.
Domed Shaped PDC Cutter
Dome PDC cutter /PCD insert/PCD cutter/PDC insert is mainly used for PDC steel body bit. The spherical tungsten carbide increased the contact bond area, the interface between the PCD layer and the tungsten carbide backing is designed in kinds of claws, which all reduce the residue stress, increase the toughness, strength and life, so the bit have stronger attack, fast drilling speed, better rock debris removal and decreased the mud, suitable for drilling complicated formation with hard layer.
|
Product No. |
Diameter (mm) |
Height (mm) |
Diamond thickness/mm |
TC Chamfer/mm |
|
1319 |
13.44±0.03 |
19.05±0.05 |
6.5±0.02 |
0.76±0.05 |
|
1420 |
14.30±0.03 |
20.00±0.05 |
6.5±0.02 |
0.76±0.05 |
|
1621 |
15.88±0.03 |
21.00±0.05 |
7.9±0.02 |
0.76±0.05 |
|
1925 |
19.05±0.03 |
25.40±0.05 |
9.8±0.02 |
0.76±0.05 |
|
2535 |
25.40±0.03 |
25.00±0.05 |
10.9±0.02 |
0.76±0.05 |
Advantages of Domed Shaped PDC Cutter
Extended Cutter Life: The curved profile promotes gradual, uniform wear rather than abrupt chipping or edge spalling, significantly increasing service life.
Superior Wear Resistance: Even distribution of contact forces across the dome reduces localized stress concentrations, slowing down wear progression.
Higher Rate of Penetration (ROP): The geometry allows for continuous cutting action with less drag, improving drilling speed and efficiency, especially in medium to hard formations.
Enhanced Impact and Shear Resistance: The dome shape better resists impact shocks and shear forces encountered when drilling through interbedded or fractured rock layers.
Better Thermal Management: The design improves heat dissipation from the cutting face, reducing the risk of thermal degradation and diamond graphitization.
Versatility Across Formations: Dome cutters perform well in a wide range of geological conditions—from soft shales to hard carbonates—making them ideal for long sections with variable lithology.
Smooth Borehole Quality: The consistent cutting action contributes to a smoother borehole wall, reducing the risk of stuck pipe and improving wellbore stability.
Types of Domed Shaped PDC Cutter
Dome Cutters
Characterized by a smooth, crown-like curvature across the entire cutting surface, dome cutters provide uniform contact with the rock face during rotation.
Convex Cutters
Featuring a more pronounced outward curve than standard dome cutters, convex cutters concentrate force on a smaller contact area, increasing cutting aggressiveness.
Hybrid Cutters
These innovative cutters combine a domed top surface with a convex or flat-bottomed structure, integrating the benefits of multiple geometries into a single design.
Applications of Domed Shaped PDC Cutter
Oil and Gas Drilling
Dome-shaped PDC cutters are primarily utilized in oil and gas exploration and production drilling operations. Their design enables consistent, precise, and stable borehole creation through complex geological formations, including shale, sandstone, and carbonate layers. The dome profile enhances the cutter’s ability to maintain contact with the rock surface, reducing vibration and improving rate of penetration (ROP).
Hard Rock Drilling
In hard rock formations such as granite, basalt, quartzite, and reinforced concrete, dome PDC cutters offer a robust solution for efficient material removal. The domed geometry distributes impact forces more evenly across the cutting face, reducing localized stress and preventing premature failure.
Coal Bed Methane (CBM) Drilling
Coal Bed Methane extraction requires careful drilling through fragile coal seams without causing excessive damage or fines generation. Dome PDC cutters provide a balanced approach—offering sufficient aggressiveness for penetration while minimizing coal fragmentation.
Geothermal Drilling
Geothermal energy systems require deep drilling into hot, abrasive rock formations near the Earth’s crust. Dome PDC cutters excel in these high-temperature, high-abrasion environments where conventional cutters may degrade rapidly.
Water Well Drilling
For municipal, agricultural, and industrial water supply, dome PDC cutters are increasingly adopted in water well drilling due to their speed, precision, and reliability. They enable rapid penetration through unconsolidated sediments and consolidated aquifer materials alike.
Gauge Diameter: The gauge diameter refers to the outer diameter of the PDC cutter body, which determines the width of the cut or borehole it produces. For dome-shaped cutters, this typically ranges from 1.69 to 1.88 inches (43–48 mm). A precise gauge diameter ensures consistent hole size and minimizes reaming requirements during drilling operations.
Face Diameter: The face diameter represents the effective cutting surface of the PDC cutter—the portion of the dome covered with diamond compact. It typically measures between 1.42 and 1.68 inches (36–43 mm), slightly smaller than the gauge diameter to allow for structural support and thermal expansion.
Cutting Depth: Cutting depth indicates the maximum penetration depth a dome-shaped PDC cutter can achieve before wear significantly reduces effectiveness. This value generally ranges from 0.5 to 1.5 inches (12.7–38.1 mm), depending on the substrate hardness and operational parameters.
Number of Blades (Cutting Edges): The number of blades refers to the segmented cutting edges arranged radially across the dome surface. Dome-shaped PDC cutters typically feature between 3 and 15 blades, with more blades providing smoother cuts and higher material removal rates.
Customization Options
Matrix Material
Customize tungsten carbide grade for enhanced toughness or thermal conductivity based on formation type.
Diamond Layer Thickness and Quality
Select premium diamond grades (e.g., impact-resistant or fine-grain) for challenging environments like shale or granite.
Geometry and Bevel Design
Tailor cutting profile for improved chip clearance, reduced heat buildup, or directional stability.
Coatings and Treatments
Explore options like thermal barrier coatings or surface texturing to enhance wear resistance.
Maintenance
Regular Inspections: After each run, visually inspect PDC cutters for signs of damage such as chipping, cracking, thermal cracking (crazing), or delamination. Use magnification tools if necessary to detect micro-damage that could lead to premature failure.
Cleaning Procedures: Remove drilling mud, rock cuttings, and debris from the cutters using soft brushes or low-pressure compressed air. Avoid high-pressure water jets or abrasive cleaning methods that may damage the diamond surface or compromise seals.
Lubrication and Cooling: While PDC cutters do not require direct lubrication, maintaining proper drilling fluid flow is crucial. The fluid cools the cutters, carries away heat, and prevents overheating. Use water-based or synthetic muds with appropriate rheological properties to ensure effective cooling and hole cleaning.
Proper Handling and Storage: Always handle PDC cutters with clean gloves and store them in protective cases to avoid contamination or mechanical damage. Avoid dropping or impacting the cutting face, as even minor chips can initiate cracks under load.
Optimization of Drilling Parameters: Operate within recommended parameters—adjust weight on bit (WOB), rotary speed (RPM), and flow rate according to formation characteristics. Excessive WOB or RPM can cause overheating, vibration, and cutter failure.
FAQ
As one of the most professional shaped PDC cutter manufacturers in China, our products have good reputation in the market. Please feel free to buy high quality shaped PDC cutter for sale here from our factory. For price consultation, contact us.
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