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Hard Rock Drilling PDC Bit 5-7/8 " Diamond Toolof oilfield Drilling Rig Bit
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xProduct Details
| Type | Diamond Drilling Bit | Use | Oil ,gas ,minig ,drilling ,water Well |
|---|---|---|---|
| Material | Diamond ,Alloy Steel ,Tungston Carbide | Machine Type | Drilling Industrial Tool |
| Application | Rock Drill Of Oil ,mining ,gas | Advantage | High-efficiency , High Strength |
| Market | All Over The World | ||
| Highlight | Oilfield Drilling Rig PDC Bit,5-7/8 Inch PDC Bit,7 Blades PDC Bit |
||
Product Description
Hard Rock Drilling PDC Bit 5-7/8 " Diamond Toolof oilfield Drilling Rig Bit
1 . Descriptions:
PDC Drill Bit is the high performance drilling Tool in drilling industry .The cutters are PDC which are used in the Geotechnical Drilling ,Oilfield directional drilling and Surface in seam (SIS) drilling .
The below effection will effective the PDC drill Bit :
- PDC Bit Body material,PDC Bit Cutter density
- PDC Bit Cutter size or type
- PDC Bit Profile
Usually ,the PDC drill bit size is 3~22inch with 3~9Blades . The size is blades is more ,the drilling performance is well basing on the same condition .
2. Specification:
| SPECIFICATION | |
| Size : | 5-7/8" (149.2mm) |
| Drill Body Type : | Steel Body |
| Blades Quantity : | 6 |
| Nozzles Quantity : | 3 |
| API Connection (in) : | 3-1/2" REG |
| Gauge Length (In): | 2 |
| OPERATIONAL PARAMETERS | |
| Weight on Bit (KN): | 9-67 |
| RPM Range(Rotary): | 180-250 |
| Flow Rate(lps): | 11- 15 LPM |
| Make-Up Torque(KN): | 9.5-12.2KN.M |
3 . PDC Bit of profile
4 . PDC Drill Bit Cutters
Polycrystalline Diamond Composite (PDC) cutters are the main point of contact for a drill bit. PDC drill bits remove the rock mainly by shearing.
The PDC cutters are exposed to a lot of heating and cooling down the well, a very challenging environment.
PDC cutters that have lower thermal degradation and more thermal stability generally achieve higher ROP and increased wear resistance. So, optimizing the cutter is important.
Accorrding to the Api ,the cutter size are as below :
1 indicates PDC cutters > 24 mm in diameter.
2 represents cutters from 14 to 24 mm in diameter.
3 indicates PDC cutters < 14 but > 8 mm. 4 is used for cutters < 8 mm.
5. PDC Drill Bit Nozzles
Drill bit nozzles help clear the cutting area and cool the Polycrystalline Diamond Composite (PDC) cutters.
Effective placement of these nozzles along with the angle they are set at plays a critical role on how efficient the drill bit performs.
Fluid channels also complement nozzle placement to improve the clearing of cuttings.
6. Steel Body PDC Bits
Steel body of PDC Bit is the opposite of matrix body. It can of withstanding high impact loads, but is softer and lacks protective features. The strength and ductility of steel give steel-bit bodies high impact resistance. Steel bodies are considerably stronger than matrix bodies.
A beneficial feature of steel bits is that they can easily be rebuilt a number of times because worn or damaged cutters can be replaced rather easily. This is a particular advantage for operators in low-cost drilling environments.
Polycrystalline diamond compact (PDC) drill bits are different than roller cones in that they are one piece bodies with no moving parts. The fixed-cutters shred the rock, so the bit is able to operate with higher rotation speeds more efficiently in consolidated formations.
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