1. Metal sealed journal bearing TCI Tricone bits

Cutting Structure

The durability of premium tungsten carbide inserts is improved with new formulas and new techniques.

Gauge Structure

Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

Bearing Structure

High precision journal bearing with two thrust faces. Balls lock the cone. Hardfaced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved, and suitable for high rotary speed.

Seal and Lubrication

The advanced metal seal package consists of two metal seals and two elastic energizers. Compressed energizers ensure good contact being kept on two sealing surfaces of metal rings by elastic force, and achieves the bearing seal. In the drilling, metal seals are relatively dynamic, and the energizers are static. This will improve the reliability and durability of bearing seal. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.

Product Application

It is suitable for downhole motor and high speed applications.

Bits Available

Size: 7 7/8", 8 1/2", 9 1/2", 12 1/4", 17 1/2"
IADC Code: 4-- Series, 5-- Series, 6-- Series

2. Elastomer sealed Journal bearing TCI Tricone Bits

Cutting Structure

The durability of premium tungsten carbide insert is improved with new formulas and new techniques.

Gauge Structure

Multiple gauge protection with gauge trimmers on the heel of cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

Bearing Structure

High precision journal bearing with two thrust faces. Balls lock the cone. Hardfaced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved.

Seal and Lubrication

Premium HNBR O-ring, optimal seal compression and curved seal structure can enhance the seal performance. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.

Product Application

It can receive high WOB in the conventional drilling. It is suitable for various formations by matching cutting structure with different tooth shape, tooth density and tooth exposure height.

Bits  Available

 Size: 3 1/2", 4 5/8", 5 7/8", 6", 6 1/4", 6 1/2", 6 3/4", 7 1/2", 7 7/8", 8 3/8",    8 1/2", 8 3/4", 9 1/2", 9 5/8", 9 7/8"
 IADC Code:4-- Series, 5-- Series, 6-- Series

 3. Elastomer sealed roller bearing TCI Tricone Bits

Cutting Structure

The durability of premium tungsten carbide insert is improved with new formulas and new techniques.

Gauge Structure

Multiple gauge protection with gauge trimmers on the heel of cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

Bearing Structure

High precision roller bearing with two thrust faces. Balls lock the cone. Thrust faces hardfaced with wear resistant alloy. Abrasion resistance and seizure resistance of the bearing are improved.

Seal and Lubrication

Premium HNBR O-ring, optimal seal compression and curved seal structure can enhance the seal performance. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.

Product Application

It is suitable for various formations, and achieves high RPM under low to high WOB applications.

Bits  Available

 Size: 16", 17 1/2", 20", 26"
 IADC Code: 5—Series, 6—Series

4. Air Cooling Roller Bearing TCI Tricone Bit

Cutting Structure

The durability of premium tungsten carbide insert is improved with new formulas and new techniques.

Gauge Structure

Gauge protection with gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability.

Bearing Structure

Air cooling roller bearing package. Balls lock the cone, which reduces the probability of cone-dropping to minimum.

Product Application

It is suitable for mining applications.

Bits   Available

 Size: 9 7/8"
 IADC Code:5-- Series,6-- Series,7-- Series