Home > Products > Tricone Bits > IADC216 5 7/8 elastomer sealed journal bearing tricone drill bit
IADC216 5 7/8 elastomer sealed journal bearing tricone drill bit
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Product Details
| Place of Origin: | Hebei, China | Brand Name: | HJ | Model Number: | 5 7/8 inch |
| Type: | Core Drill Bit | Material: | High Carbon Steel | Use: | Well Drilling |
Product Description
Welcome visit hengji bit company
We have all size of tricone bits,PDC bits,core bits,steel tooth bits,insert tricone bits,single cone bits,hole opener,assemble tricone bit,etc. Suitable for soft to hard formations.
Current Availability
| Bit size | |
| in | mm |
| 4 5/8 | 117.5 |
| 4 3/4 | 120.7 |
| 5 7/8 | 149.2 |
| 6 | 152.4 |
| 6 1/4 | 158.8 |
| 6 1/2 | 165.1 |
| 6 3/4 | 171.5 |
| 7 1/2 | 190.5 |
| 7 7/8 | 200.0 |
| 8 3/8 | 212.7 |
| 8 1/2 | 215.9 |
| 8 3/4 | 222.3 |
| 9 1/2 | 241.3 |
| 9 7/8 | 250.8 |
| 10 | 254.0 |
Recommended Drilling Parameters
IADC | WOB(kN/mm) | RPM(r/min) | Formation |
114115 | 0.3-0.75 | 180-50 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,chalk,etc |
116117 | 0.3-0.8 | 150-70 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,chalk,etc |
124125 | 0.3-0.85 | 180-60 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,salt,loose stands,soft limestone,etc |
126127 | 0.3-0.9 | 150-60 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,salt,loose stands,soft limestone,etc |
134135 | 0.35-0.95 | 150-50 | Soft to medium formation with low compressive strength or soft with harder streaks,such as mudstone,shale,soft limestone ,sands,etc |
136137 | 0.35-1.0 | 120-60 | Soft to medium formation with low compressive strength or soft with harder streaks,such as mudstone,shale,soft limestone ,sands,etc |
214215 | 0.4-0.95 | 150-60 | medium hard formation with high compressive strength ,such as medium soft shale,anhydrite,medium soft limestone ,medium soft sandstone as well as thick and hard streaks,etc |
216217 | 0.4-1.0 | 100-60 | medium hard formation with low compressive strength ,such as medium soft shale,limestone and sandstone as well as thick and hard streaks,etc |
244 | 0.35-0.95 | 150-50 | medium hard formation with high compressive strength ,such as hard shale,sands ,limestone,etc |
246247 | 0.4-1.0 | 80-50 | medium hard formation with high compressive strength ,such as hard shale,sands ,limestone,etc |
324325 | 0.4-1.0 | 120-50 | hard formation with high strength and abrasiveness such as hard limestone,hard sands,dolomite,hard shale,etc |
Cutting structure
The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.
Gauge structure
Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone ,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.
Bearing structure
High precision journal bearing with two thrust faces.Balls lock the cone.Hardraced head bearing surface.Cone bearing inlaid with friction-reducing alloy and then silver-plated.Abrasion resistance and seizure resistance of the bearing are improved,and suitable for high rotary speed.
Seal and lubrication
Seal and lubrication
Premiun HNBR O-ring ,optimal seal compression and curved seal structure can enhance the seal performance.The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
Product application
It can receive higher WOB in the conventional drilling.It is suitable for various formations by matching cutting structure with different tooth shape,tooth density and tooth exposure height.
Photos show:
The certification:
How to choose the type:
shallow well, mainly consider the drilling speed and preventing the mud pack.
deep well,mainly consider the bit footage
When out of the well the outer cutter is broken heavily, should be selected with gage bit
In the ease of deviated section should use small and short cutter bit
In the selection of insert button bit, should use the wedge-shaped cutter
Diamond limestone, appropriate uses double bevel gear, projectile shape tooth bit
Shale more or drilling fluid density is larger, should be selected with a larger amount of slip drill
The formation of limestone, sandstone, should choose smaller slip bit
In drilling hard and high abrasive stratum, appropriate uses ball tooth, double cone tooth head.
1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding. http://hengjibit.en.china.cn/
2. About delivery time?
Answer :
The delivery time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 , both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
4.Trade Terms:
payment:T/T. 30%deposits,70% before delivering.
If you have any questions ,pl tell me ,it is my pleasure to reply you.
Contact Us
- Hejian Hengji Bit Manufacture Co., Ltd.
- Contact nameHengji Bits
- Phone86-317-8114222
- AddressJunziguan Village, Shijingcun Township, Hejian
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