PDC Bit (Polycrystalline Diamond Compact Bit) 

PDC bit (short for Polycrystalline Diamond Compact bit) is a fixed-cutter rotary drill bit, widely used in modern oil & gas, mining, and geothermal drilling operations.

PDC steel body drill bit is an efficient drilling tool widely used in oil, gas, and geothermal well drilling. Its unique design and material combination enable it to perform well under various geological conditions, making it widely suitable for rapid drilling operations in various geological formations.

Structure

• PDC Cutters: The key component. Each cutter is a composite disk made of a thin layer of synthetic polycrystalline diamond sintered under ultra-high pressure and temperature onto a tough tungsten carbide substrate.
• 
• Bit Body: Usually made of steel or tungsten carbide matrix, designed with multiple blades (e.g., 3–9 blades) to hold the PDC cutters.
• Nozzles: For drilling fluid (mud) flow to cool cutters, lubricate, and carry cuttings to the surface

Working Principle

PDC bits break rock by a shearing action as the bit rotates. The sharp, hard diamond edges slice through the formation rather than grinding or crushing it. This delivers high penetration rates (ROP) with lower weight on bit (WOB) compared to roller-cone bits.

Bullet Points

1.High Quality PDC Cutters

We adopted high-performance polycrystalline diamond compact (PDC) cutters with high hardness, abrasion resistance and thermal stability, ensuring fast drilling speed and long service life.  08, 09, 10, 13, 16, 19 and other general specifications, and various customized specifications of PDC cutters all available for the PDC bits.

 2.5-Wing Stable Structure

5-wing reinforced matrix/steel body design reduces vibration and ensures straight boreholes. Excellent hole stability and low deviation rate for long well sections.

·3. Optimized Hydraulic & Flushing System

Large flow channels and anti-clogging flute design improve cuttings removal efficiency and prevent bit balling in clay and sticky formations.

· 4.API Standard Thread Connection

Standard API REG/IF thread ensures perfect compatibility with most water well drilling rigs and drill pipes, easy installation and reliable connection.

5. Wide Application for Water Wells

Ideal for soft to medium formations such as sandstone, shale, clay, marl and loose gravel. Widely used in water well drilling, irrigation wells and geothermal boreholes.

·  

Haosu PDC Bits Model Description

PDC Bit Applications

PDC bits (Polycrystalline Diamond Compact bits) are the most widely used fixed-cutter drill bits in the global drilling industry, with applications covering oil & gas, mining, geothermal, construction, and horizontal directional drilling (HDD).

1. Oil & Gas Drilling (Largest Application)

Core Use: Drilling exploration, production, and appraisal wells.

• Best Formations: Shale, sandstone, limestone, and other non-abrasive sedimentary rocks.
• Key Drilling Scenarios:
  • Vertical Drilling: For long, straight sections where high ROP is critical.
  • Directional & Horizontal Drilling: Primary choice for horizontal wells and extended-reach drilling (ERD). Their stable torque and long life allow drilling entire curve and lateral sections in a single run, significantly reducing trip time.
  • Shale Gas/Tight Oil: Custom PDC bits are the standard for unlocking unconventional resources.
  • Deep & Ultra-Deep Wells: Advanced, high-temperature resistant PDC bits are used for deep reservoirs.

2. Geothermal Drilling

Core Use: Drilling wells to access hot underground reservoirs.

• Challenges Overcome: High temperatures, abrasive igneous/metamorphic rocks (e.g., basalt, granite), and hard volcanic formations.
• Advantage: Maintains cutting efficiency at elevated temperatures and provides consistent performance through variable formations.

3. Mining Drilling

Core Use: Mineral exploration and production.

• Applications:
  • Surface Exploration: Drilling core holes to locate ore bodies.
  • Underground Mining: Long-hole drilling for blast holes and production.
• Best Formations: Medium-hard to hard rock (coal, ore deposits, limestone).
• Benefits: High penetration rates, fewer bit changes, and excellent core recovery.

4. Water Well & Construction Drilling

Core Use: Drinking water wells, geotechnical surveys, and foundation pilings.

• Applications:
  • Water Wells: Smaller PDC bits (1" to 3") for efficient well construction.
  • Horizontal Directional Drilling (HDD): For pilot holes in trenchless utility installation (gas, oil, water pipelines).
  • Geotechnical Investigation: Sampling ground conditions.

5. Other Specialized Applications

• Coal Mining: For drilling in relatively soft but abrasive coal seams.
• Industrial Drilling: PDC coring bits for geological surveying.

Package Includes

1 x PDC Drill Bit

1 x Wooden Case Packaging

Shipping & Service

Shipping: By sea / air (DHL, FedEx, UPS available)

Package: Sturdy wooden box for safe transportation

Customization: Diameter, wing number, cutter size, thread can be customized

Warranty: 12-month warranty against manufacturing defects

After-sales: Professional technical support for drilling operation

FAQs

Q:Is your company a distributor or a manufacturer?

A:  Yes,We are a a professional factory of tricone bit,PDC bit   in China.

Q: What are the advantages of your company?

A: Our company integrates R&D and manufacturing. We providing customers with efficient one-stop services including design and development, customized suggestions, manufacturing, direct sales, and after-sales support.

 Q: How can I find the bit model I need on the website?

A: You can search for the product you need in the "Product" on the website using information such as "IADC code" and "tooth type".Since the models listed on our website represent only a selection of our inventory, if you cannot find the specific model you require, please contact our sales team(sales@haosubit.com) for a quotation.

Q: Can the bit be customized based on specific needs?
A: Yes,we offers tailored solutions for unique drilling requirements, ensuring the best performance for each project.

Q: What packaging options are available for this product?
A: The bit is packaged in wood boxes, with fumigation trays available if necessary. Custom packaging can also be provided based on the customer's needs.

Q: How soon can I receive the product after ordering?
A: If the product is in stock, it can be shipped within 1 week. Delivery time may vary depending on order quantity when out of stock.

Q: How is the product delivered?
A: The product can be delivered by sea or air, depending on your location and order specifications.