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RC Drilling Bit 12-1/4" TCI Tricone Drill Bit IACD 437
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xProduct Details
| Type | Tricone Drill Bit | Use | Oil ,gas ,minig ,drilling ,water |
|---|---|---|---|
| Material | Diamond ,Alloy Steel ,Tungston Carbide | Machine Type | Drilling Tool |
| Processing Type | Forging ,Casting | Application | Rock Drill Of Oil ,mining ,gas |
| Size | 12-1/4 Inch (311.1mm) | Color | Customer Requirement |
| Advantage | High-efficiency , High Strength | Usage | Oil ,mining ,gas |
| Market | All Over The World | Packing | Steel Box Or Wooden Box |
| Tooth | Tungsten Carbide Drill Bit | Bearing Type | Sealed Bearing Roller Bit |
| Highlight | TCI Tricone Drill Bit,IACD 437 Tricone Drill Bit,12.5 Inch Tricone Drill Bit |
||
Product Description
RC Drilling Bit 12.5 Inch TCI Tricone Drill Bit IACD 437
1 . Descriptions:
TCI (Tungsten Carbide Insert) bits are utilized for drilling in medium to hard rock formations. These bits feature a range of carbide inserts, such as spherical inserts for extremely hard rock or conical inserts for softer rock. The number of insert rows is determined by the specific application and hole size requirements. Additionally, there are options for open or sealed bearings, as well as three types of shirttail protection. TCI stands for Tungsten Carbide Insert.
2. Specification:
| BIT SPECIFICATIONS | |
| Diameter: | 12-1/2 ”(311.1mm) |
| Body Type : | Steel Body |
| Tooth Type: | TCI Tooth |
| Bearing : | Sealed Rearing |
| API Thread API Connection: | 6-5/8 API REG |
| IACD CODE : | 437 |
| OPERATION PARAMETERS | |
| Weight (Kg): | 105 KGS |
| Flow Rate (LPS): | 80-220 |
| RPM Range (rotary): | 130-40 |
| Weight on Bit(kN): | 152-300kN |
| Make Up Torque ( KN): | 52 - 57KN |
3 . Bit profile
4 . Bearing Types
There are primarily three types of bearing designs used in tricone drilling bits:
• STANDARD OPEN BEARING ROLLER BIT:
On these bits the cones will spin freely. This type of bit has a front row of ball bearings and a back row of roller bearings.
• SEALED BEARING ROLLERS BITS
These bits have an O-Ring seal with a grease reservoir for bearing cooling. The seals acts as a barrier against mud and cuttings to protect the bearings
• JOURNAL BEARING ROLLER BITS
These bits are strictly oil/grease cooled with nose bearings, O-Ring seal and a race for maximum performance.
5. Question :
What we should be pay attention on choosing the tricone drill bit ?
- IADC code passport
- TCI & Steel tooth options
- Additional tungsten carbide inserts on heel rows
- Tungsten carbide coating on cone bodies
- Diamond coated tungsten carbide inserts on the gauge of the cones
- Tungsten carbide inserts on the shirttail of the legs
- Additional central nozzle for cleaning cones
The tricone feature is that they come with their own passport as below :
- The specification of the cones
- The quality stamp signed by the person who made and checked the bit
- The recommended drilling parameters to get the best performance out of the bit:
- Bit weight
- Rotation speed
- Flushing volume
Which type of tricone you should choose ?
It depends on the geology you are drilling in and the diameters of the borehole you are drilling. The International Association of Drilling Contractors (IADC) have developed an easy use step system to choose the right tricone for your geology with additional features such as bit protection for longer production life.
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