Hard Alloy Scraper Drill Bit

High-Performance Hard Alloy Scraper Drill Bit - Professional PDC Drag Bit Solution for Advanced Drilling Operations 

Shaanxi Hainaisen Petroleum Technology Co., Ltd delivers industrial-grade Hard Alloy Scraper Drill Bit solutions engineered for demanding drilling environments. Our 161mm PDC drag bit features 34 precision-Manufactured cutters across a 3-blade configuration, achieving optimal performance in formations ranging from Level 1-12. With over 10 years of specialized PDC cutting technology expertise and a dedicated team of 20+ senior technicians, our manufacturing facility produces drill bits that combine superior penetration rates with extended service life. Weighing 9kg and equipped with customizable 3-63.5 PIN connections, this bit represents the culmination of advanced metallurgy and drilling engineering excellence.

Versatile Formation Applications

The Level 1-12 formation rating demonstrates remarkable versatility. Soft clay and unconsolidated sands require minimal weight-on-bit while maintaining rapid penetration. Medium-density shales and chalks respond efficiently to moderate drilling parameters.

Harder limestone and dolomite formations benefit from the concentrated force distribution across 34 cutting points. You adjust rotational speed and weight-on-bit to optimize performance for specific geological conditions.

The three-nozzle hydraulic system adapts to various mud weights and viscosities. Whether you're drilling water wells, exploration boreholes, or mining applications, this bit configuration delivers reliable results.

Superior Rock Shearing Performance

The cutting mechanism of our Hard Alloy Scraper Drill Bit operates through precision shearing action rather than crushing. This fundamental advantage delivers faster penetration rates in non-abrasive to medium-abrasive formations.

Your drilling operations benefit from the strategic placement of 34 cutters in two sizes. The 16mm cutters provide aggressive formation engagement while 13mm cutters ensure complete bottom-hole coverage. This configuration minimizes re-drilling and maximizes efficiency across soft to medium-hard formations.

The three-blade design optimizes hydraulic flow patterns. Enhanced cuttings evacuation prevents bit balling in sticky clay formations. Your rig maintains consistent torque requirements throughout the drilling process.

Advanced Material Engineering

Every cutter undergoes rigorous quality control in our 6,000-square-meter manufacturing facility. We employ polycrystalline diamond compact technology that bonds synthetic diamond particles to tungsten carbide substrates under extreme pressure and temperature.

This manufacturing process creates cutters with exceptional wear resistance. You experience extended bit life even in abrasive sandstone and limestone formations. The hard alloy composition maintains sharp cutting edges through thousands of rotations.

Our technical team applies proprietary brazing techniques to secure cutters within the bit body. This prevents cutter loss during high-vibration drilling conditions. Your operations maintain predictable performance metrics from surface to target depth.

Customizable Connection Options

Standard 3-63.5 PIN threading ensures compatibility with common drill string configurations. However, Hainaisen recognizes that your equipment may require specialized connections.

Our engineering team provides custom threading solutions to match your existing rig specifications. This flexibility eliminates the need for adapters that introduce potential failure points. You maintain full torque transmission from surface equipment to cutting structure.

Connection customization doesn't extend delivery times. Our manufacturing processes accommodate special requirements within the standard 5-7 business day production window.

Project Case Studies

Coal Bed Methane Exploration - Northern China

A coal mining operation required 45 boreholes through alternating layers of clay, coal seams, and sandstone. Traditional roller cone bits experienced frequent bearing failures in the abrasive conditions.

Hainaisen supplied 161mm Hard Alloy Scraper Drill Bits with optimized cutter density. The project team completed all boreholes using just 8 bits instead of the projected 15. Average penetration rates increased by 35% while reducing non-productive time by 60%.

Water Well Development - Central Asia

A municipal water authority needed to drill through 200 meters of limestone and shale formations. Budget constraints demanded maximum meters drilled per bit.

Our PDC drag bits delivered an average of 850 meters per bit before reaching economic limit. The superior hydraulic design prevented cuttings accumulation in the sticky shale layers. The project finished two weeks ahead of schedule with significant cost savings.

Shipment and Samples

At HAINAISEN, we recognize that every project has unique logistics needs, which is why we offer flexible shipping options designed to align with your timeline and budget—whether you prioritize speed, cost efficiency, or specialized handling. Additionally, we provide sample orders to facilitate testing and evaluation, allowing you to experience our product quality firsthand before full commitment. Our team is ready to assist with tailored shipping solutions and sample requests, ensuring a seamless process from inquiry to delivery. Contact Us today to discuss your specific requirements and discover how our versatile shipping and sampling options can support your operational goals with reliability and flexibility.

Packaging and Transportation

Our products are carefully packaged to ensure safe transportation. We use sturdy, protective packaging materials and can accommodate specific packaging requirements upon request.

Transaction Feedback

We value customer feedback and continuously strive to improve our products and services. Our team follows up after each transaction to ensure your complete satisfaction.

After-Sales Service

Our commitment to you doesn't end with the sale. We provide comprehensive after-sales support, including:

• Technical assistance and troubleshooting
• Maintenance guidance
• Performance optimization recommendations

Qualification Certification

SHAANXI HAINAISEN holds various industry Certifications, demonstrating our commitment to quality and safety standards in the manufacturing of products.

FAQ

Q1: What rig specifications do I need for optimal performance?
A: Your rig should provide 500-1200 RPM rotational speed and 20-60 kN weight-on-bit capacity. Mud pump output of 150-250 liters per minute ensures adequate hydraulics. Our technical team reviews your specific equipment capabilities before recommending final bit configuration.

Q2: How does this compare to roller cone bits for my application?
A: PDC drag bits excel in formations where shearing is more efficient than crushing. You'll achieve higher penetration rates in soft to medium formations. Roller cone bits remain preferable for extremely hard, fractured rock where impact breaking mechanisms work better.

Q3: Can I use this bit in directional drilling applications?
A: The three-blade design provides good stability for vertical holes. Directional drilling requires additional considerations regarding blade count and cutter placement. Contact our engineering team to discuss modifications for deviated wellbore applications.

Q4: What maintenance extends bit life?
A: Proper hydraulics are crucial. Maintain recommended flow rates and avoid excessive weight-on-bit that overloads cutters. Clean the bit thoroughly between runs and inspect for cutter damage. Store in a clean, dry environment to prevent corrosion of the connection threads.

Q5: Do you provide technical support for drilling parameter optimization?
A: Absolutely. Our 20+ senior technicians offer consultation on drilling parameters specific to your formation characteristics. We help you establish optimal RPM, weight-on-bit, and flow rate combinations to maximize both penetration rate and bit longevity.

Contact Us

For inquiries, customization requests, or to place an order, please email us at hainaisen@hnsdrillbit.com. Our team is ready to assist you with all your Hard Alloy Scraper Drill Bit needs.