Oil Geological Roller Cone Bit Rubber Sealed Bearing TCI Tricone Drill Bit Hard Rock Drilling Bits

Our tricone bit is from high manganese steel and carbide, can be used for geological prospecting,development of oil and gas, drilling water wells,blast holes and making holes for seismic prospecting,

construction engineering. Now there are eleven common types of tricone rock bits.

Normal IADC:
437 Soft Formation TCI Tricone Bits:
The 437 TCI bits are used to drill low compressive strength, very soft formations. TCI bits maximize the use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations.

517Medium Formation TCI Tricone Bits:

The 517 features aggressive chisel tungsten carbide inserts on the heel rows and inner rows.

This design provides a fast drilling rate and added cutting structure durability in medium-to-

medium hard formation. The HSN rubber O-ring provides adequate sealing for bearing durability.637Hard Formation TCI Tricone Bits:

The 637 bits can be used to drill hard and abrasive formation. Wear-resistant tungsten carbide

inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers of hemispherical

-shaped inserts are used in all rows to provide cutter durability and long life.

617Medium-Hard Formation TCI Tricone Bits:

The 617 features robust chisel tungsten carbide inserts on the heel row and conical on the inner

rows. This design provides a fast drilling rate and added cutting structure durability in medium

to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability.

Products Description

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, smalldrilling 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.

Company Profile

1.What can you buy from us?

DTH drilling rig,Integrated DTH DTH drilling rig ,core drilling rig,highway pile driver,solar pile driver ,anchor pile driver,rotary drill rig ,Top Hammer drill rig,Underground jumbo drill rig ,DTH hammer,screw air compressor,screw air compressor,piston air compressor,pneumatic rock drill ,drill rod,drill bit,PDC drill bit,top hammer drill bit,tricone bit ,spare parts.

2.How can I make payment?

A:You can pay by credit card, TT, Western Union, LC etc.

3.How is the shipment? How long dose it take?

A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT. You can also appoint shipping method you like before we ship.

4.How is your quality control?
A: We have our own experienced QC. There will be strict inspection and testing for every order before shipping out.