Five Blade Wing Oil Drilling
Bit size:12.25”(311mm)
Number of blade: 5
Number of nozzle: 7
PDC cutter size:13mm/16mm
Total number of PDC cutters : 109
Height of bit:510mm
Gauge length: 90mm
API Connection: 6 -5/8 REG.PIN
Net weight: 95KGS
- Product Description
Five Blade Wing Oil Drilling Bit – Advanced PDC Technology for Superior Penetration Performance
SHAANXI HAINAISEN INTELLIGENT EQUIPMENT MANUFACTURING CO., LTD presents its engineered Five Blade Wing Oil Drilling bit, featuring 109 precision-installed PDC cutters across a 311mm (12.25") diameter platform. This IADC S123-coded drilling solution integrates 13mm and 16mm cutters distributed across five optimized blades, delivering enhanced rock-cutting efficiency in complex geological conditions. With a robust 90mm gauge length, 510mm total height, and 95kg operational weight, this tool maintains exceptional borehole stability while achieving superior rate of penetration in oil and gas exploration operations.
Five-Blade Architecture for Maximum Stability
The Five Blade Wing Oil Drilling configuration represents a strategic advancement in bit design engineering. Unlike conventional three-blade systems, this architecture distributes cutting forces across additional contact points, reducing individual blade stress while maintaining aggressive penetration rates.
Each blade carries strategically positioned PDC cutters that engage formation continuously. This distribution minimizes vibration and provides smoother drilling dynamics, particularly valuable when navigating transitional formations where inconsistent hardness challenges equipment performance.
The 6-5/8 REG.PIN API connection ensures reliable torque transmission. Your drilling operations benefit from reduced downtrip time and enhanced mechanical integrity throughout extended operational intervals.



Operating Parameters
| Parameter | Specification |
|---|---|
| Speed (R/min) | 60-250 |
| Drilling Pressure (KN) | 30-180 |
| Flow Rate (LPS) | 45-80 |
| Applicable Strata | Medium hardness, low compressive strength (e.g., shale, limestone, sandstone, gypsum) |
PDC Bit Selection Guide
Hardness | Low haedness | Medium haedness | High haedness |
Compressive Strength | 0-8000 | 8000-16000 | 16000-32000 |
Formation | Clay,mudstone,marl,rock salt,shale | Shale,sandstone,chalk | Sandstone,limestone,shale anhydrite,dolomite |
Density of Teeth | low | medium | high |
Cutter Size | 19mm | 16-19mm | 13-16mm |
Rear Elevation Angle of the Cutter | 15°/18°/20° | 17°/20°/25° | 20°/25°/30° |
Crown Structure | long profile | medium profile | short profile |
Optimized Hydraulic Performance
Seven strategically positioned nozzles deliver precision fluid dynamics across the cutting structure. This configuration ensures effective bottomhole cleaning while preventing bit balling in sticky formations.
The junk slot geometry between blades facilitates rapid cuttings evacuation. Your drilling fluid carries formation debris efficiently away from active cutting zones, maintaining sharp cutter engagement with undrilled rock.
Enhanced hydraulic design reduces differential sticking risks. The continuous fluid circulation pattern keeps the annulus clear, supporting consistent weight-on-bit parameters throughout your drilling program.
Superior Gauge Protection
The extended 90mm gauge length provides exceptional borehole diameter control. This design feature becomes critical when drilling directional wells where precise hole size directly impacts casing installation and completion operations.
Gauge cutters positioned along this protective zone resist abrasive wear. You maintain target borehole dimensions longer, reducing reaming requirements and improving overall drilling economics.
The five-blade arrangement distributes gauge wear across multiple protection points. This load-sharing mechanism extends bit life compared to designs concentrating wear on fewer contact surfaces.



PDC Cutter Technology Integration
Each of the 109 cutters undergoes rigorous quality verification before installation. The combination of 13mm and 16mm cutter sizes addresses varying formation demands—smaller cutters for precision cutting, larger elements for aggressive material removal.
Polycrystalline Diamond Compact technology delivers thermal stability under high-temperature conditions. Your drilling operations in deeper reservoirs benefit from cutters that maintain sharpness despite elevated bottomhole temperatures.
Cutter placement follows computer-optimized patterns that balance cutting forces. This engineering approach minimizes reactive torque while maximizing penetration efficiency across the bit face.
Material and Quality Control
Our product equipment is Manufactured using premium-grade materials and undergoes rigorous quality control measures. We employ advanced testing techniques to ensure each product meets the highest industry standards.

Project Case Studies
A Middle Eastern operator deployed this Five Blade Wing Oil Drilling bit in a sandstone reservoir development program. The tool achieved 23% faster penetration rates compared to previous three-blade designs while drilling 387 meters in a single run. Gauge measurements confirmed maintained borehole diameter throughout the interval.
In a Chinese basin application, the bit penetrated alternating shale and limestone sequences without requiring parameter adjustments. Consistent torque readings and smooth drilling dynamics eliminated concerns about bit walk, delivering a precisely positioned horizontal section.

Shipment and Packaging
The safe and secure shipping of our product equipment is very important to us. Your tools will arrive in perfect shape and be ready for use right away thanks to our carefully thought-out packaging, which is made of sturdy materials and protective features to guard against potential damage during transit. We recognize the value of dependability throughout the entire process, and our devotion to providing high-quality products that live up to your expectations from shipment to arrival is reflected in our sturdy packaging.

Customer Feedback
The outstanding functionality and dependability of our product equipment are often praised by our customers. After switching to HAINAISEN products, many users in a variety of industries report considerable increases in productivity and decreases in downtime. These endorsements demonstrate our dedication to providing solutions that not only meet but also beyond operational requirements, guaranteeing our partners long-term value and trust.

After-Sales Service
We offer comprehensive after-sales support, including:
- Technical consultation
- On-site training
- Maintenance guidance
- Prompt resolution of any issues
Qualification Certifications
Numerous industry Certifications that HAINAISEN possesses attest to our steadfast dedication to product technology quality and safety. These certificates attest to the fact that our solutions, which have undergone stringent testing to guaranty dependability, compliance, and performance, meet demanding international standards. By maintaining these standards, we hope to give our customers assurance about the integrity of our products and our commitment to promoting safe, cutting-edge technological developments.

Frequently Asked Questions
Q1: What formations suit the Five Blade Wing Oil Drill bit best?
A: This bit excels in medium to medium-hard formations including sandstone, limestone, and interbedded sequences. The five-blade design provides stability in transitional zones where formation characteristics change rapidly.
Q2: How does the five-blade configuration improve drilling performance?
A: Additional blades distribute cutting forces more evenly, reducing individual blade loading. This results in smoother operation, decreased vibration, and extended operational life while maintaining aggressive penetration rates.
Q3: What maintenance considerations apply to this bit?
A: Post-run inspection should focus on cutter wear patterns and gauge preservation. Proper junk slot cleaning between runs prevents debris accumulation. Store the bit in a controlled environment to protect cutters from impact damage.
Q4: Can this bit handle directional drilling applications?
A: Yes. The extended gauge length and balanced blade configuration support controlled directional drilling. The design maintains borehole quality essential for accurate wellbore placement.
Contact Us
Ready to revolutionize your drilling operations with our Five Blade Wing Oil Drilling solutions? Contact Us at hainaisen@hnsdrillbit.com for more information or to request a quote.
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