13-5-8-iadc537-tricone-bit
13 5/8” IADC537 Tricone Bit
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Product Description: Carbide Tricone Rock Drilling Head Bit 13 5/8 Inch Rotary Drilling Bit Three Cone Tricone Bit for Well Drilling
The Carbide Tricone Rock Drilling Head Bit, sized at 13 5/8 inches (346mm), is a high-performance rotary drilling bit engineered specifically for deep, high-efficiency drilling operations in medium-hard to hard formations. As a critical component in the oil, gas, water well, and geothermal drilling industries, this IADC537 tricone bit is designed to deliver reliable performance in some of the most challenging downhole conditions.
Key Features
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Size: 13 5/8 inches (346mm)
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Type: IADC537 (suitable for medium to hard formations with stringers)
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Thread Connection: 6 5/8″ API Reg pin
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Bearing Type: Rubber sealed bearing
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Weight: 135 kg
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WOB (Weight on Bit): 0.35–1.05 KN/mm
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RPM: 110–40 r/min
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Gauge Protection: Yes
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Industrial Standard: SY/T5164
Superior Cutting Structure
This tricone bit features three carbide-inserted cones, each precisely engineered for optimized drilling efficiency. The tungsten carbide inserts are strategically placed to ensure superior crushing and shearing of rock formations such as hard shale, sandstone, and limestone. These materials are known for their high compressive strength and occasional hard stringers, requiring a bit that can both penetrate and sustain consistent performance.
The IADC537 classification indicates its suitability for tougher drilling conditions where both durability and aggressive cutting action are required. This type is often used in oil and gas exploration, geothermal wells, and large-scale water well drilling projects.
Advanced Bearing System
Equipped with a rubber sealed bearing system, this tricone bit ensures long-term performance in high-stress environments. The sealed bearing protects internal components from abrasive drilling fluids and debris, extending the life of the bit and maintaining efficient rotational motion. This feature is especially important in deep or extended drilling applications where bit retrieval is costly and time-consuming.
Enhanced Gauge Protection
Gauge protection plays a critical role in maintaining the hole diameter throughout the drilling operation. The gauge protection on this tricone bit prevents under-gauge wear and minimizes the risk of deviation or reaming issues. It also contributes to longer service life by protecting the body and cutting structure from abrasive sidewall contact.
Operating Parameters
With a WOB (Weight on Bit) range of 0.35 to 1.05 KN/mm and an operational RPM of 110–40, this bit provides flexible performance in various formations and rig setups. Operators can fine-tune drilling parameters to match the geologic conditions, balancing penetration rates with bit durability.
This tricone bit is optimized for rotary drilling rigs that use API Reg pin connections, ensuring compatibility with standard industry equipment. The 6 5/8″ API Reg pin makes it a versatile choice for most large-scale rotary drilling applications.
Industry Compliance
Manufactured in accordance with SY/T5164, the Chinese industrial standard for tricone bits, this product guarantees consistent quality, safety, and performance. The adherence to this standard confirms the bit’s suitability for high-demand professional applications and ensures it meets international expectations for reliability.
Applications
This tricone bit excels in medium-hard to hard formations with higher compressive strengths and harder interlayers, including:
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Hard shale
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Sandstone
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Limestone
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Formations with stringers or intermittent harder zones
Such geological conditions are commonly encountered in oil and gas drilling, geothermal boreholes, water well drilling, and exploratory mining operations.
Summary
The 13 5/8″ Carbide Tricone Rock Drilling Head Bit is a robust and efficient solution for drilling through challenging formations. With a high-strength structure, reliable bearing system, and enhanced protection features, this tricone bit stands out as a durable and versatile tool in the drilling industry. Whether for petroleum exploration or large-scale water well development, it delivers the performance and reliability required for today’s demanding drilling environments.


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