Application of Cemented Carbide Ball Teeth in Drilling

In drilling engineering, cemented carbide ball teeth have become a core component of drilling tools due to their excellent wear resistance, impact resistance, and stable cutting ability. They are widely used in fields such as oil and gas drilling, geological exploration drilling, and mine drilling, providing key support for improving drilling efficiency and meeting the challenges of complex formations.

Application in Oil and Gas Drilling

Cemented carbide ball teeth are the core cutting elements of PDC bits and roller cone bits in oil and gas drilling. When facing complex formations such as hard gravel layers and basalt layers in deep and ultra-deep wells, ball teeth made of tungsten-cobalt alloy or tungsten-titanium-cobalt alloy can effectively withstand high-frequency impacts and severe friction, stably breaking rocks. Especially in directional drilling operations, the uniform wear characteristics of cemented carbide ball teeth can ensure precise control of the bit trajectory, reducing the number of trips due to tool wear and significantly reducing drilling costs.

Application in Geological Exploration Drilling

Geological exploration drilling has strict requirements for the accuracy and durability of bits, and cemented carbide ball teeth also play an important role. In shallow hole drilling for regional geological surveys and mineral resource exploration, exploration bits inlaid with cemented carbide ball teeth can efficiently drill through rock layers of different hardnesses and obtain complete core samples. Their excellent fatigue resistance can adapt to long-term continuous operations, avoiding the impact on the exploration progress caused by ball tooth cracking and excessive wear, and ensuring the accuracy of exploration data.

Application in Mine Drilling

In mine drilling, cemented carbide ball teeth are commonly used in raise boring, shaft sinking, and blast hole drilling. In underground drilling operations in coal mines and metal mines, ball tooth bits can quickly penetrate coal seams and ore rock layers, cooperating with drilling machinery to achieve efficient hole formation. Compared with traditional milled tooth bits, the service life of cemented carbide ball teeth can be increased by 3 to 5 times, significantly reducing tool replacement time and improving the continuity of mining.

As drilling engineering progresses towards deeper and more complex formations, the performance requirements for cemented carbide ball teeth are constantly increasing. In the future, by optimizing the spherical arc design of ball teeth and improving surface coating technology, the development of high-performance products suitable for extreme working conditions will further promote the drilling industry to develop in the direction of high efficiency, safety, and low cost.