Introduction:
The TCI Tricone Bit is designed for drilling in formations with low compressive strength and high drillability, such as mudstone, gypsum, and soft limestone. It is made with high-strength carbide teeth to prevent gear breakage and improve wear resistance and longevity.
HENGJI BIT SPECIFICATION | |
Bit Size | 5 7/8'’,149mm |
IADC Code | 517 |
Series | HR |
Tooth type | TCI/tungsten carbide insert |
Connection | 3 1/2 API REG PIN |
Bearing | rubber sealed bearing |
Nozzle | three jet nozzles |
Rotary Speed(rpm) | 140~60 |
Weight on Bit(KN/MM) | 0.35~1.0 |
Application | water well,oil well,HDD,exploration,etc |
Key Features:
1. Bearing Structure: The bit has a high precision journal bearing with two thrust faces. The cone is locked in place with a ball, and the head bearing surface is hardfaced. The cone bearing is also lined with a friction-reducing alloy and silver-plated. This improves the abrasion and seizure resistance of the bearing, making it suitable for high rotary speeds.
2. G-Gauge Protection: The bit has additional tungsten carbide inserts placed in the gauge area to reduce wear in abrasive formations. This protects the gauge and increases the stability and lifespan of the bit.
3. Cutter: The bit is equipped with premium carbide teeth that have increased resistance to breaking and abrasion. This enhances the lifespan of the cutting structure.
4. Nozzle: The bit is designed with sturdier nozzles that provide greater flow capacity and ensure optimal fluid distribution to the cones.