Hardware & tools

12 1/4 Inch PDC Drill Bit China Factory Suppliers High Performance 16mm Cutters

High-performance 12 1/4 inch PDC drill bits from a leading China factory. Ideal for soft to medium-hard formations with abrasive interlayers, our bits offer superior impact and wear resistance. Contact the best suppliers for durable drilling solutions.

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About this product

Product information from the supplier.

The 12 1/4 Inches PDC Bit is a high-performance drilling solution engineered for demanding oil and gas exploration and mining operations. Featuring 16mm premium cutters and a robust 5-blade configuration, this bit is meticulously designed to optimize penetration rates while maintaining superior stability across diverse geological formations.

Constructed from high-strength alloy steel with a specialized surface hardening process, this PDC bit ensures maximum erosion resistance and long-term durability. By integrating advanced polycrystalline diamond composite technology, it provides an exceptional balance of hardness and toughness, significantly reducing downtime and increasing overall drilling efficiency for professional contractors.

Detailed Parameters

Bit Diameter (in/mm)12 1/4" / 311.1 mmNumber of Blades5 Blades
Primary Cutter Size16 mmNozzle Quantity8 Nozzles
Gauge Length2" - 3.5"Connection Type6-5/8" API REG
Recommended RPM60 - 250 r/minRecommended WOB30 - 180 KN
Recommended Flow Rate45 - 80 lpsBody MaterialMedium Carbon Alloy Steel

Key Advantages

High Erosion Resistance

The drill bit crown undergoes a professional surface hardening process to withstand abrasive environments.

Extended Service Life

PDC composite cutters offer extreme hardness and wear resistance for prolonged operational cycles.

Enhanced Drill Efficiency

Optimized 5-blade geometry maximizes the rate of penetration (ROP) in various rock strata.

Robust Steel Body

Made of high-strength alloy steel, ensuring superior toughness and resistance to mechanical failure.

Precision Press-Fit

Cutting teeth are secured using a professional press-fit method for maximum stability during rotation.

Optimized Hydraulics

Equipped with 8 nozzles to ensure efficient cuttings removal and effective cutter cooling.

Product Gallery

           
           
           

Management Platforms

Inventory Control

Real-time tracking of PDC bit stocks and cutter replacements to prevent project delays.

Parameter Tuning

Precise adjustment of WOB and RPM based on real-time geological feedback for max efficiency.

Wear Monitoring

Scheduled inspection cycles to monitor cutter wear and optimize bit replacement timing.

Flow Rate Analysis

Monitoring nozzle performance to ensure optimal cuttings transport and cooling.

Logistics Sync

Integrated supply chain management for rapid delivery of drill bits to remote sites.

Quality Assurance

Strict adherence to API standards and material certification for every batch produced.

Investment Return Comparison

MetricStandard Steel BitPremium PDC Bit
Penetration RateModerateHigh / Accelerated
Average LifespanShort to MediumSignificantly Extended
Maintenance CostHigh (Frequent Changes)Low (Long-run Durability)
Drilling StabilityProne to VibrationHighly Stable
Overall ROIBaselineOptimized / High Return

Frequently Asked Questions

Q: What is the primary application of PDC bits in oil and gas drilling?                                    

PDC bits are primarily used for drilling through various rock formations where their high hardness and shearing action allow for faster penetration compared to roller cone bits.

Q: How do I avoid premature failure of the 12 1/4" PDC bit?                                    

To prevent premature failure, ensure that the upper limits of Weight on Bit (WOB) and RPM are not used simultaneously, as indicated in the technical specifications.

Q: Why is the surface hardening process important for the bit crown?                                    

Surface hardening significantly increases the erosion resistance of the bit body, protecting it from the abrasive action of drilling fluids and rock cuttings.

Q: Can this PDC bit be used in extremely hard abrasive formations?                                    

Yes, the use of 16mm polycrystalline diamond composite cutters makes it highly suitable for hard formations, though performance depends on the specific rock hardness.

Q: What is the benefit of having 8 nozzles on a 12 1/4" bit?                                    

Eight nozzles provide a balanced and powerful flow of drilling fluid, which is critical for cleaning the bit face and cooling the cutters to prevent thermal degradation.

Q: What connection standard does this bit follow?                                    

This bit follows the 6-5/8" API REG connection standard, ensuring compatibility with most standard drilling rig equipment.

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