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637 IADC TCI Tricone Bit With Gage Protection / Fluid Circulation API-7-1 Standard

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637 IADC TCI Tricone Bit With Gage Protection / Fluid Circulation API-7-1 Standard

Brand Name : FLRT

Model Number : 9 1/2" FA637G

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

Place of Origin : China

Supply Ability : 200pcs per quarter

Delivery Time : 5~45 workdays

Packaging Details : plywood box / iron box

Bearing Type : Sealed Journal Bearing With Gauge Protection

Cutting Material : TCI

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

Series : FA

Application 1 : Water well drilling

Application 2 : HDD drilling pilot bit

Application 3 : Geothermal well drilling

IADC : 637

Circulation Type : Fluid

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9 1/2" FA637G , TCI Tricone Bit , Sealed Journal Bearing , With Gage Protection , Fluid Circulation

 

 

SIZE AVAILABLE

 

Form 7 7/8inch to 17 1/2inch

 

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

 

Types & IADC Code 117 127

437

447

517

527

537

547

617

627

637

 

WOB KN/mm(Bit Dia.) 0.35~0.8 0.35~0.9 0.35~0.9 0.35~1.0 0.45~0.95 0.45~1.1 0.5~1.1
Lb/in. (Bit Dia.) 2000~4271 2000~5142 2000~5142 2000~5714 2571~5714 2571~6285 2857~6285
Rotation Speed (Rpm) 240~80 240~70 180~80 220~60 220~50 200~50 180~40

The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.

 

 

Cone offset of the roller cone bit


- The degree of offset is defined as the horizontal distance between the axis of the bit and a vertical plane through the axis of the journal
- It forces the cone to rotate around the axis of the bit
- The cone slips as it rotates causing tearing and gouging action
- Amount of offset directly relates to the strength of drilled rock
- Large offset used for soft formation
- Hard brittle rock need no offset
- Medium hard rock need up to 2 offset


Product Tags:

tungsten carbide insert bit

      

oil well drill bit

      
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