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Tungsten Carbide Drill Bits / Carbide Rock Drill Bits For Oil And Gas Industry

Brand Name : FLRT

Model Number : 12 1/4" FA617G

Certification : API-7-1, ISO 9001:2008

Place of Origin : China

MOQ : 20pcs

Supply Ability : 300pcs per quarter

Delivery Time : 5~45 workdays

Packaging Details : plywood box / iron box

Bearing Type : Sealed Journal Bearing With Gauge Protection

Cutting Material : Tungsten Carbide Insert

Standard : API-7-1, ISO 9001:2008

Series : FA

IADC : 617G

Supplementary Features : G : Reinforced Gauge Protection

Cooling Type : Fluid Circulation ( Water or Mud )

Drill Rig : With Pump ( such as Mud Pump )

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Tricone Bit , Gas Well Drilling Bit , Medium Hard Formation , Rock Bit , Jetted Bit

 

 

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

Types & IADC Code 417

437

447

517

527

517

527

537

547

617

627

637

 
WOB KN/mm(Bit Dia.) 0.4~0.9 0.4~0.9 0.35~1.0 0.35~1.0 0.5~1.0 0.6~1.1 0.7~1.2
Lb/in. (Bit Dia.) 2285~5142 2285~5142 2000~5714 2000~5714 2857~5714 3428~6285 4000~6857
Rotation Speed (Rpm) 140~60 240~70 125~50 ~60 110~50 100~40 80~4

 

 

ROLLER CONE BIT CUTTING STRUCTURE

 

Tungsten carbide hardfacing is applied to the teeth of soft formation bits to increase resistance to the scraping and gouging action. Hard formation bits have little or no hardfacing on the teeth, but hardfacing is applied to the outer surface (gauge) of the bit. If the outer edge of the cutting structure is not protected by tungsten carbide hardfacing two problems may occur.

 

1. The outer surface of the bit will be eroded by the abrasive formation so that the hole diameter will decrease. This undergauge section of the hole will have to be reamed out by the next bit, thus wasting valuable drilling time

 

2. If the gauge area is worn away it causes a redistribution of thrust forces throughout the bearing assembly, leading to possible bit failure and leaving junk in the hole (e.g. lost cones)

 


Product Tags:

Tungsten Carbide Drill Bits

      

Gas Industry Carbide Rock Drill Bits

      

Oil Industry Tricone Rock Bit

      
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