Diamond PDC Drill Bit 8-1/2 Inch Rock Drill Bit Of Oilfield Drilling Tool
Brand Name:EN
Certification:API, AISI, ISO
Model Number:8500
Minimum Order Quantity:Negotiation
Delivery Time:2 weeks
Payment Terms:T/T, L/C, Western Union
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Diamond PDC Drill Bit 8-1/2 Inch Rock Drill Bit Of Oilfield Drilling Tool
1 . Descriptions:
These are just some of the common specifications that may be included in a PDC drill bit specification. The exact specifications will depend on the manufacturer and the specific application for which the bit is designed.:
- PDC Drill Bit Body material
- PDC Drill Bit Cutter density
- PDC Drill Bit Cutter size or type
- PDC Drill Bit Bit profile
All the PDC Drill bits will be manufacture accroding to API standard and used in the drilling Industry.
The PDC drill bits size scope is 3~22inch with 3~9Blades are available. And different classification cutter are optional according to your budget .
2. Specification:
| SPECIFICATION | |
| Size : | 8-1/2 inch (215.9mm) |
| Drill Body Type : | Steel Body |
| Blades Quantity : | 6 |
| Nozzles Quantity : | 6 |
| API Connection (in) : | 4-1/2" REG |
| Gauge Length (In): | 2 |
| OPERATIONAL PARAMETERS | |
| Weight on Bit (KN): | 22-112 |
| RPM Range(Rotary): | 80- DHM |
| Flow Rate(lps): | 25- 38 LPM |
| Make-Up Torque(KN): | 16 - 22 KN.M |
3 . PDC Bit profile
Profile shape is one of the most important characteristics of fixed-cutter bits, having direct influence on possibilities for cutter placement and densities and on hydraulic layouts. Profile also affects: Bit stability
4 . Drill Bit PDC 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. 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 Bits
Steel body of PDC Drill 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 drill Bit ; Becuase 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.
Diamond PDC Drill Bit 8-1/2 Inch Rock Drill Bit Of Oilfield Drilling Tool
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