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Rock Drill Bit 10-1/2 Inch PDC Rock Bit Of Diamond Drilling Tool
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xProduct Details
| Use | Oil ,gas ,mining ,drilling ,water | Size | 10-1/2" (266.7mm) |
|---|---|---|---|
| Color | Customer Requirement | Rock Formation | F<8 |
| Cutters | Polycrystalline Diamond Compact (PDC) | Type | Diamond Drill Bit |
| Surface Treatment | PDC Insert | ||
| Highlight | PDC Rock Drill Bit |
||
Product Description
Rock Drill Bit 10-1/2 Inch PDC Rock Bit Of Diamond Drilling Tool
1 . Descriptions:
Rolling cutter PDC drill bits and fixed Cutter Bit are the two main catagories of oil and gas drilling bit in drilling industry .
Fixed Cutter bit are PDC (polycrystalline diamond compact), TSP (thermally stable PDC) and diamond bits .
All of them are the diacmond drilling bit ,too . PDC bits are designed for high speed drilling in shale, limestone, and sandstone formations. “Matrix” is a very hard, rather brittle composite material comprising tungsten carbide grains metallurgic ally bonded with a softer, tougher, metallic binder. Becuase PDCs are among the most rigid of all diamond tool materials.
2. Specification:
| SPECIFICATION | |
| Size : | 10-1/2 " (266.7mm) |
| Drill Body Type : | Steel Body |
| Blade Quantity : | 6 |
| Nozzle Quantity : | 9 |
| API Connection (in) : | 6-5/8" REG |
| Gauge Length (In): | 3 |
| OPERATIONAL PARAMETERS | |
| Weight on Bit (KN): | 30- 120 |
| RPM Range (Rotary): | 100- DHM |
| Flow Rat e(lps): | 16- 30 LPM |
| Make-Up Torque (KN): | 16 - 22 KN.M |
3 . PDC Bit profile
4 . PDC Drill Bit Cutters
Polycrystalline Diamond Composite (PDC) cutters are the main point of contact for a drill bit. PDC 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.
5. PDC Drill Bit Nozzles
PDC 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 Drill Bits
Steel body 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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