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API steel tooth tri cone bits
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Product Details
Place of Origin | Hebei, China | Brand Name | SRF | |
Model Number | milled tooth tri-cone bit | Type | Drill Bit | |
Machine Type | Drilling Tool | Certification | Other, ISO | |
Material | High Manganese Steel | Processing Type | Casting | |
Use | Other, Well Drilling, Well Drilling |
Product Description
Specifications
1)competitive price with high quality2)timely delivery
3)inspection company,likeSGS.VB
YOU RUN AT NO RISK.
Milled Tooth Tri-cone Bit
Cutting Structure
The durability of premium tungsten carbide insert is improved with new formulas and new techniques and new techniques.
The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces.
Bearing Structure
Nonsealed roller bearing. Drilling fluid can enter the bearing directly for cooling; Balls lock the cone which reduces the
probability of cone ropping to minimum.
Product Application
It is suitable for the shallow well, water well and geothermal well.
Recommended Drilling Parameter
IADC | WOB (KN/mm) | RPM (r/min) | Applicable Formations |
111 | 0.3~0.75 | 200~80 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
121 | 0.3~0.85 | 200~80 | Soft formations with low compressive strength and high drillability, such as mudstone,
gypsum, salt, soft limestone, etc. |
131 | 0.3~0.95 | 180~80 | Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
211 | 0.35~0.95 | 180~80 | Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
241 | 0.35~0.95 | 180~70 | Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc |
321 | 0.4~1.0 | 150~70 | Hard semiabrasive formations, such as abrasive shale,limestone,sand stone,dolomite, hard gypsum,marble,etc. |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.
|
Second Digit | FORMATION |
1 | 1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest. |
2 |
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3 |
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4 |
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Third Digit | BEARING / SEAL TYPE |
1 | Standard open bearing roller bit |
2 | Standard open bearing roller bit, air-cooled |
3 | Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone |
4 | Sealed roller bearing bit |
5 | Sealed roller bearing bit with gauge protection |
6 | Journal sealed bearing bit |
7 | Journal sealed bearing bit with gauge protection |
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Pls inform the following details to us before making an inquire
1) What size of drill bit do you need?
2) What is the IADC of drill bit you need?
3) What is the quantity you need?
4) Which kind of formation is the drill bit for?
Contact Us
- Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
- Contact nameLeia Sun Chat Now
- Phone0086-317-3223932
- AddressFuyingmen6,Beihuan road, Cangzhou, Hebei
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