Bit DBS516D S048

Type: Double rows bit

The bit is designed for continuous drilling of inclined and horizontal oil wells in hard rocks with flushing of the bottomhole with water or clay solution.

TECHNICAL CHARACTERISTICS

Diameter, Mm 215.9  
Number of Blades, pcs. 5  
Type of Cutters PDC Premium  
Distribution of Cutters, Mm: 13 16
- Main Working Part, Pcs.   52
- Calibrating Part, Pcs. 15  
- Back-Machining Cutters, Pcs. 5  
- Upper Caliber, pcs.    
Total: 72  
IADC code S433  
Bit Body Material Steel 40ХН2МА  
Quantity, pcs. Replaceable Nozzles/Bushings 5  
Height of Bit Without Thread, Mm 306  
Weight, Kg 45.3  
Connecting Thread (GOST R 50864-96) З-117Н  
Make-up Torque, KN*m 16.3-21.7  

RECOMMENDED PARAMETERS

Maximum load on bit, t 16
Rotation speed, rpm up to 300
Flow rate of drilling fluid, l/s 32-40

TECHNICAL FEATURES

  • Premium cutters class. Cutters resistant to abrasive wear and impact loads allow to increase the drilling interval and mechanical rate of penetration.
  • Reinforcement of the calibrating part. A special coating of the bit caliber prevents its wear and loss of diameter.

PRESERVATION INFORMATION

The connecting thread and thrust shoulders of the product are protected from corrosion by preservation grease in accordance with GOST 9.014-78.

WARRANTY OBLIGATIONS

The manufacturer guarantees that the bit complies with the requirements of TU 25.73.60-001-32628987-2018, provided that the consumer complies with the conditions of transportation, storage and operation.