Suzhou Energy Tool Co., Ltd.
Suzhou Energy Tool Co., Ltd.
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PDC Diamond Drill Bit 12-1/4 inch Matrix Body PDC Rock Bit
1. Description :
Steel is the opposite of matrix. 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
According to the International Association of Drilling Contractors (IADC), the Fixed-cutter bit classification composed of four characters that designate:
2. Specification
| SPECIFICATION | |
| Size : | 12 -1/4" (311.1mm) |
| Drill Body Type : | Matrix Body |
| Blade Quantity : | 6 |
| Nozzle Quantity : | 6 |
| API Connection (in) : | 6 -5/8" REG |
| Gauge Length (In): | 2.5 |
| OPERATIONAL PARAMETERS | |
| Weight on Bit (KN): | 40-120 |
| RPM Range (Rotary): | 80-DHM |
| Flow Rate (lps): | 690-950 |
| Make-Up Torque (KN): | 51-57 |
3. Bit Profile
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
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.