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8 1/2" IADC637 Single Cone Roller Bit

Our Single Roller Cone Bit is a specialized and high-performance drilling tool designed to excel in a variety of demanding drilling applications. Engineered with precision and durability in mind, this bit is ideal for drilling through hard and abrasive rock formations where other bits may struggle. Whether it's for oil and gas exploration, mining operations, or water well drilling in tough geological conditions, our Single Roller Cone Bit offers a reliable solution. It combines advanced engineering with robust construction to provide drillers with a tool that can withstand the rigors of heavy-duty drilling while delivering consistent and efficient results. With its unique design and cutting-edge features, this bit is a valuable asset for any drilling project that requires precision and power.
  • 1 Piece

  • Tianjin, China

  • 500

  • L/C, T/T, D/P, Western Union, Paypal

  • Customized

  • API

  • Center Drill Bit

  • Tungsten Carbide

  • Well Drilling

  • New

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Key Features

1. Robust Roller Cone Design: The core of this bit lies in its single roller cone, which is constructed from high-quality materials. The cone is designed with a specific number of teeth and a carefully engineered profile to ensure maximum cutting efficiency. The teeth are made from hardened steel or tungsten carbide inserts, providing excellent wear resistance and the ability to penetrate even the hardest rocks. The roller cone's rotation allows for a more aggressive cutting action, breaking up the rock formation effectively.

2. Optimal Bearing System: Our Single Roller Cone Bit features an advanced bearing system that is crucial for its smooth operation. The bearings are designed to withstand high loads and rotational speeds, reducing friction and wear. This ensures that the roller cone can rotate freely and continuously during drilling, minimizing the risk of premature failure. The bearing system also helps to maintain the bit's stability, resulting in a more accurate and straight borehole.

3. Enhanced Mud Flow System: A well-designed mud flow system is integrated into the bit to facilitate efficient cuttings removal. Strategically placed nozzles direct the drilling fluid towards the cutting area, flushing out the cuttings and preventing them from accumulating around the bit. This not only improves the bit's performance by reducing the likelihood of bit balling but also helps to cool the cutting teeth, extending their lifespan. The optimized mud flow also contributes to better hole cleaning, ensuring a smoother drilling process.

4. Customizable Tooth Configuration: To meet the diverse needs of different drilling projects, our Single Roller Cone Bit offers a customizable tooth configuration. Depending on the rock type and drilling conditions, drillers can choose from a variety of tooth shapes, sizes, and spacing. This allows for tailored cutting performance, maximizing the bit's efficiency in specific formations. Whether it's for soft sedimentary rocks or hard igneous rocks, the right tooth configuration can significantly improve the drilling rate and overall productivity.

5. Durable Bit Body: The bit body is made from high-strength steel and undergoes a series of heat treatment processes to enhance its toughness and durability. It is designed to withstand the high pressures and stresses associated with drilling, protecting the internal components and ensuring the bit's long-term reliability. The bit body's robust construction also provides a stable platform for the roller cone, allowing it to operate effectively in challenging environments.


FAQ

1. What types of rock formations are best suited for the Single Roller Cone Bit?

Our Single Roller Cone Bit is particularly effective in hard and abrasive rock formations such as granite, quartzite, and hard limestone. Its aggressive cutting action and durable teeth make it capable of penetrating these tough rocks. However, it can also be used in some medium-hard formations, although for softer rocks, other types of bits might be more efficient in terms of drilling speed.

2. How often should the bearing system be maintained?

Regular maintenance of the bearing system is crucial for the bit's performance. It is recommended to inspect the bearings before and after each use. If the bit is used in harsh conditions or for extended periods, more frequent inspections may be necessary. Lubrication of the bearings should be carried out according to the manufacturer's guidelines, typically after a certain number of drilling hours or before long storage periods.

3. Can the tooth configuration be changed during a drilling project?

Changing the tooth configuration during an ongoing drilling project is not practical. The tooth configuration should be selected based on the expected rock formations before starting the drilling. However, if the actual rock conditions deviate significantly from the initial assessment, it may be necessary to replace the entire bit with one having a more suitable tooth configuration.

4. What is the expected lifespan of the Single Roller Cone Bit?

The lifespan of the bit depends on various factors such as the type of rock formation, drilling parameters (like weight on bit and rotational speed), and the quality of maintenance. In hard rock formations with optimal drilling conditions and proper maintenance, the bit can last for a considerable number of drilling feet. In more abrasive or challenging conditions, the lifespan may be shorter, and more frequent bit changes may be required.

5. How does the enhanced mud flow system improve the bit's performance?

The enhanced mud flow system ensures that the drilling fluid is effectively directed to the cutting area. This helps to remove the cuttings promptly, preventing them from building up around the bit and causing issues like bit balling. Additionally, the fluid cools the cutting teeth, reducing wear and tear. By keeping the cutting area clean and the teeth cool, the bit can maintain its cutting efficiency, resulting in better overall performance and a longer lifespan.


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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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Junziguan industrial zone, hejian city, hebei province
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+86-18232837832
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