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Tricone Roller Cone Drill Bit

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Tricone Roller Cone Drill Bit

Tricone Roller Cone Drill Bit
Tricone Roller Cone Drill Bit Tricone Roller Cone Drill Bit Tricone Roller Cone Drill Bit Tricone Roller Cone Drill Bit

Large Image :  Tricone Roller Cone Drill Bit

Product Details:

Place of Origin: CHINA
Brand Name: OEM
Certification: ISO,CE

Payment & Shipping Terms:

Minimum Order Quantity: 1 set
Price: Negotiation
Packaging Details: Wooden cases standard export package
Delivery Time: 10-20 days working days
Payment Terms: T/T, L/C, T/T, Western Union
Supply Ability: Based on the detailed quotation
Detailed Product Description
Applicable Industries: Construction Works , Energy & Mining, Oil Machine Type: Drilling Equipment
Material: High Manganese Steel, Carbide Use: Well Drilling
Color: Blue Model Number: IADC 637G
Teeth: Insert Cone Drill Bit Type: Drill Bit, Metal Sealed Bearing
Processing Type: Forging Weight: 258kg
Size: 17 1/2 Bearing Type: Metal Sealed
High Light:

Insert Cone Drill Bit


Tricone Roller Cone Bit


Well Drilling Tricone Roller Bit


Tricone Roller Cone Drill Bit



Regular  Size

3 7/8(98mm) 2 3/8 4 5/8(118mm)  2 7/8
5 5/8(142.8mm) 3 1/2 5 7/8(149.2mm) 3 1/2
6(152.4mm) 3 1/2 6 1/2(165) 3 1/2
7 1/2(190mm) 4 1/2 7 5/8(193mm) 4 1/2
8 1/2(215.9) 4 1/2 9 1/2(241.3mm) 6 5/8
10 5/8(269.8mm) 6 5/8 11 5/8(295.3mm) 6 5/8
12 1/4(311.15mm) 6 5/8 13 5/8(346mm) 6  5/8
15 1/2(393mm) 7 5/8 16(406.0mm) 7 5/8
17 1/2(445mm) 7 5/8 26(660mm) 7 5/8


Size of Rock Bit 17 1/2 Inches 
444.5 mm
IADC 637
RPM(r/min) 80-40
Thread Connection 7 5/8 API  reg 
Factory Series HQ Series Elastomer sealed bearing
WOB 223~533KN/ 49998~119994lbs
Weight  258kg
Formation Medium hard formation with high  compressive strength ,such as hard  shale,limestone,sandtone,etc.


Notes for the use of roller cone bits:


1 Before the drill bit is down, it is necessary to confirm that the bottom of the well is clean, free of grit, and no metal falling.


2. Check if the thread connection screw of the roller cone bit is intact and the nozzle is installed properly.


3. Run in hole needs to be stable, avoid stress and prevent drilling.


4. The last joint needs a large displacement to start the rotary table and keep reaming to bottom of the well., fully wash the well to prevent the debris from clogging the nozzle.


5. The shape of the bottom hole should be lightly pressed and slowly turned into contact with the bottom of the well, small drilling pressure, low speed, large displacement, small torque, and the speed is 40~60 rev / min, at least 30 minutes.


6. Determine the weight on bit and speed in combination with the actual conditions of the formation.


7. During drilling ahead, the operation should be smooth, drill feeding should be uniform, it is strictly forbidden to lift and release the drill sharply,drill string not well braked and drill string free fall.


8. If it is found that the drill bit stops making progress, the pump pressure increases and decreases obviously, the rate of penetration is suddenly decreased, and the torque is increased, lift the drill to check without delay.




Contact Details
Beijing Silk Road Enterprise Management Services Co.,LTD

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