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8 3/4" button tricone bit with IADC537 Thread A.P.I. 4 1/2" Reg

760.0 USD
Min. Order: 1 Piece/Pieces
Trade Term: FOB,CFR,CIF,DAT,FAS,DDP,DAP,CIP,CPT,FCA,EXW
Payment Terms: Paypal, L/C, D/P, D/A, T/T, WU, Money Gram
Supply Ability: 10
Place of Origin: Hebei

Company Profile

Location: Cangzhou, Hebei, China (Mainland)
Business Type: Manufacturer

Product Detail

Means of Transport: Ocean, Air, Land
Brand Name: chuanzuan
Production Capacity: 10
Packing: plywood box
Delivery Date: 7 days
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Product Description

 

 

Basical Parameter

Bit Size

 8   3/4"(222.2MM)

IADC Code

537

Connection

4 1/2"API   reg pin

Rotary Speed(rpm)

110~40

Weight on Bit(KN/MM)

0.5~1.05

Formation

Low compressive strength, medium hard   formation with hard abrasive interlayer, like Hard shale, anhydrite,   soft limestone, sandstone, dolomite with mezzanine, etc.

 

1)Cutting Structure
The wear-resisitance of the teethy is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for the steel tooth bit. The durability of premium tngsten carbide inserts is improved with new formulas and new techniques for insert bit.

2)Gauge Structure 

Multipe gauge protection with gauge trimmers on the heel of cone, tungsten carbides insert and hardfacing on the shirt tail increases gauge holding capability and bearing life.

3)Bearing structure

High precisiong journal bearing with two thrust faces.Balls lock the cone. Hardfaced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver plated. abrasion resistance and seizure resistance of the bearing are improved.

4)Seal and Lubrication
Premium HNBR O-ting, optimal seal compression and curved seal strcture can enhance seal performance. The pressure compensat or system and adwanced grease can greatly increase the lubricating reliability.

5)Product Application
It can receive high WOB in the conwentional drilling. Ti is suitable for various formations by matcing cutting structure with defferent tooth shape, tooth density and tooth exposure height. 


 

 We also provide othe r types

 

 IADC

 Applicable   formation

 WOB(KN/mm)

 PRM(R/min)

415/425/435

Low   compressive strength, high drill-ability and extremely soft formation, like   shale, clay, sandstone, conglomerate etc.

 0.35~0.90

 140~70

447

Low   compressive strength, high drill-ability and soft formation, like shale,   clay, sandstone, soft limestone, salt rock, plaster etc.

 0.35~100

 140~60

517

Low   compressive strength, high drill-ability and soft formation, like   shale, clay, sandstone, soft limestone, salt rock, etc

 0.37~1.05

 120~50

527

Soft   formation with low compressive, like Low compressive strength, high   drill-ability and soft formation, like shale, clay, sandstone, soft   limestone, salt rock, anhydrite etc.

 0.37~1.05

 120~50

537/547

Low   compressive strength, medium hard formation with hard abrasive   interlayer, like Hard shale, anhydrite, soft limestone, sandstone,   dolomite with mezzanine, etc.

 0.50~1.05

 110~40

617/627

High compressive   strength, medium hard and thick hard interlayer, like hard shale, limestone,   sandstone, dolomite, etc.

 0.50~1.05

 80~40

637/647

High   compressive strength, medium hard and high abrasive formation, like   limestone, dolomite, sandstone, chert, etc.

0.7~1.20

70~40

 

  

 


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