8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit

Product Details
Customization: Available
Customized: Customized
Standard: AISI, API
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Registered Capital
10000000 RMB
Plant Area
>2000 square meters
  • 8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
  • 8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
  • 8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
  • 8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
  • 8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
  • 8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
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Basic Info.

Model NO.
8 1/2′′
Length
Taper-length
Type
Center Drill Bit
Material
High Carbon Steel
Usage
Well Drilling
Machine Type
Drilling Tool
Processing Type
Forging
Advantage
High-Efficiency ,Wear Resistant
Bearing Type
Journal /Roller Bearing Bit
Pin Connection
4 1/2" API Regular
Transport Package
Wooden Case
Specification
12 1/4
Trademark
LONGYUE
Origin
Hebei, China
HS Code
8207199000
Production Capacity
200 Pieces/Week

Packaging & Delivery

Package Size
27.00cm * 24.00cm * 40.00cm
Package Gross Weight
15.000kg

Product Description

Product Description
8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
 
Basial Specification

 

IADC Code

117,127,126,217

417,437,517,537

617,627,637,737

Bit Size

7 1/2'',8 1/2''

9 7/8'',12 1/4''

Tooth Type wide teeth,chisel insert
Bit Weight 18kg
Meterial tungsten carbide insert,inlaid friction-reducing alloy
Bearing

Metal sealed bearing

Rubber sealed bearing

Lubrication and seal  Adopt advanced grease 
Pressure control system The advanced compensator
Thrust faces Hardfaced with wear resistant alloy
Nozzles Three nozles,Center nozzle can be customized
Gauge protection On the Shirttail:More carbide inserts increase gauge holding capability and bearing life
 
Recommended Drilling Parameters
IADC WOB(kn/mm) RPM(r/min) Formations
117 0.30-0.753 180-60 very soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,etc.
127 0.30-0.85 180-60 soft formation with low compressive strength and high drillability,such as mudstone,gypsum,soft limestone,etc.
217 0.35-0.95 150-60 soft to medium hard formations with high compressive strength,such as medium soft shale,sandstone,limestone,etc.
437 0.35-0.9 240-70 soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,soft limestone,etc.
517 0.35-1.0 140-60 medium soft formation with low compressive strength and high drillability,such as mudstone,sandstone,shale,etc.
537 0.45-1.0 120-50 medium soft to medium hard formation with low compressive strength,such as medium shale,sandstone,medium limestone,etc.
617 0.45-1.1 90-50 medium hard to hard formation witj high compressive strength,such as hard shale,limestone,dolomite,etc.
637 0.5-1.2 80-40 hard to very hard formation with high compressive strength,such as hard limestone,dolomite,marble,etc.
NOTE the upper limits of WOB and RPM in above table should not be used simultaneously


Company Information


Basic information

Business Type:Manufacturer,Trading Company

Main Products: Tricone Bit,PDC bits,Hole Opener,Roller Cone Bit,Drag Bit

Total Annual Revenue:US$1 Million~US$2.5Million

Top 3 Market:Domestic Market 50.00%,Eastern Asia 10.00%,Mid 10.00%

Location:Hebei,China(Mainland)

Toal Employees:101-200 people


Trade Capacity

Trade & Market

Main Markets Total Revenus(%)
Domestic Market 50.00%
Eastern Aisa 10.00%
Mid East 10.00%
North America 5.00%
South Aisa 5.00%
Northern Europe 5.00%
Easrtern Europe 5.00%
South America 5.00%
Africa 5.00%

Export percentage: 70%~80%

No.of Employees in Trade Department:15~20 people

Countries that our company have already exported:United States, Australia, Costa Rica, Guatemala, Azerbaijan, Congo, Myanmar, Peru, Singapore, Oman, Indonesia, Philippines, India, Switzerland, Ukraine, Turkey, Bolivia, Romania, Kenya, Vietnam, South Africa, Kuwait, Mozambique, Ecuador, France.



8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
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8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit
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8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit


Packaging & Shipping
8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit8 1/2 Inch IADC 637 Single Cone Rock Roller Drill Bit

FAQ
1. How to get an exact quotation?

Answer: Please send us detailed information as below:
-Tricone bits(Diameter, IADC code)
-PDC bits(Matrix or Steel body, blades quantity, cutter size, etc)
-Hole opener(Diameter, size of pilot hole, hardness of rocks, thread connection of your drill pipe, etc.)
-Roller cutters(Diameter of cones, model number, etc.)

A simple way is sending us photos .
Besides above, if possible please provide more information as below:
Drilling depth in vertical well drilling, Drilling length in HDD, hardness of rocks, Capacity of drill rigs, application(oil/gas well drilling, or water well drilling, or HDD, or foundation).
Incoterm: FOB or CIF or CFR, by plane or ship, port of destination/discharge.
The more information provided, the more exact quotation will be offered.

2. About lead time,payment terms, delivery ?
Answer: We always have regular models available in stock, prompt delivery is one of our advantages. Mass production depends on quantity of order.
We accept all regular payment terms including L/C, T/T, etc.
We are near from Beijing airport and Tianjin(Xingang) seaport, transportation from our factory to Beijing or Tianjin only takes one day, fast and very economical inland charges.

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