API PDC Oil Drilling Bit

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A tricone bit is a mechanical drill bit located in the bottom hole assembly. The bit cuts away the surface of the rock being
drilled through rotation and mechanical friction caused by the teeth of the bit. Tricone bits are designed to take the energy of the rotating drill string and the supply of mud and to apply this force to deepen the well.

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Description

API PDC Oil Drilling Bit

 

PDC Drill Bits are equipped with Hardened Alloy Steel base material;High performance PDC-Cutters;Carbide and Diamond gauge protection;Carbide/Diamond Shock Studs;Threaded or Plain Carbide Nozzles for Flushing.          

Above features are subject to changes and modifications according to customers’ requirements.  

The Diamond PDC drill bit designed to run at high penetration rates even in applications that call for higher blade and cutter counts. Its unique cutting structure layout adds another dimension to bit stability and smooth running by combining the penetration rate potential of traditional “single set” cutter layouts with the life extending features of a “plural set” cutter layout. The result is a bit that runs up to 20 percent faster than conventional PDC bits with minimum bit wear.

1. SOFT TO MEDIUM HARD FORMATION DRILLING
Short parabolic profile with lower cutter density helps to obtain better ROP in soft tomedium hard formations with lower compressive strength and small hard layers.2. DURASET GAUGE
Super strong material promote sgauge wear resistance to provide long bit life.3.SPECIAL CUTTER LAYOUT
Balanced force cutter layout combined with straight bladede sign to improve the bit stability.4.HYDRAULICS
Big junk slot with balanced hydraulics design improves anti-balling ability within high penetration.

5.UNIQUE BACKRACK DESIGN
The cutter’s back rake has bee nunique design,reducing the bit torque and increasing aggressiveness.

Bit Specifications Recommended Operation Parameters
size
Inch		 blades
No.		 size of cutters
mm		 Nozzles
No.		 Gauge Length
inch		 connection
API		 Rotation Speed
RPM		 WOB
KN		 Flow Rate
L/S
5 7/8 5 16 4-6 2-3 3 1/2REG 60-350 20-100 20-30
6 5 16 4-6 2-3 3 1/2REG 60-350 20-100 20-30
8 1/2 5 16 5-7 2-3 4 1/2REG 60-350 25-120 25-38
9 1/2 5 19 5-7 2-3 6 5/8REG 60-350 25-120 30-40
12 1/4 5 19 5-8 2-4 6 5/8REG 60-350 30-140 40-60
16 6 19 6-9 2-4 7 5/8REG 60-300 30-200 40-70
17 1/2 6 19 7-10 2-4 7 5/8REG 60-300 30-200 40-70

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