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The 15 1/2'' 394mm IADC 517 API Standard Drill Head Tricone TCI Inserts Button Bit from HJ Bit is designed for efficient drilling in soft formations such as mudstone, gypsum, and soft limestone. This high-performance tricone bit features advanced TCI (tungsten carbide insert) technology, making it perfect for high-drillability formations. With its optimized bearing structure and elastomer-sealed bearings, it ensures extended lifespan and reliable performance in various applications, including water well drilling, oil and gas exploration, and geothermal drilling. The bit is engineered to provide superior fluid circulation with three jet nozzles, ensuring efficient debris removal and cooling during drilling operations.
HENGJI BIT SPEC | IADC CODE 517 | | |
Diameter | 15 1/2 （393.7mm） | ||
Tooth Type | TCI | ||
Bearing Type | Elastomer sealed bearing | ||
Circulation Type | Mud fluid | ||
Thread Connection | 7 5/8 API REG PIN | ||
Nozzle | three jet nozzles | ||
Gauge Protection | Available | ||
Shirttail Protection | Available | ||
Operating Parameters | |||
RPM(r/min) | 140-60 | ||
WOB(KN) | 0.35-1.0 | ||
Formations | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. | ||
Application | water well drilling,oil &gas well drilling ,HDD,exploration,geothermal well drilling,drilling projects,etc | ||
TCI Inserts: Tungsten carbide inserts provide excellent wear resistance, ensuring a longer lifespan and reliable performance.
Elastomer-Sealed Bearings: Enhance bearing life by reducing friction and improving resistance to wear and tear.
Three Jet Nozzles: Designed for efficient fluid circulation, ensuring faster debris removal and better cooling.
API Thread Connection: The 7 5/8 API REG PIN thread connection ensures compatibility with various drill strings.
Gauge & Shirttail Protection: Tungsten carbide inserts protect the gauge and shirttail area from excessive wear, improving the bit's stability.
HR Series Rubber Sealed Bearing Bits
Journal bearing.Hardfaced head bearing surface.inner hole of cone is silver-plated.The load capacity and seizure resistance of the bearing is greatly improved.0 ring seal is made of the more wear resistance high saturated buna-N with the increased seal section and precisely designed sealing flflange in the cone sealing area increased the reliability of the seal.
HC Series Composite Sealed Bearing Bits
The series bits are sealed with composite rubber of sliding bearing,which can bear higher bit pressure and higher rotation speed,the service life of the bearings can be prolonged.
The bearing composite rubber seal ring, more suitable for the working environment and operating parameters of tricone bits.
The bit is made of cemented carbide inserts with high strength and wear resistance ,the inserts strength and wear resistance improved.
HM Series Metal Sealed Bearing Bits
Metal sealed with journal bearing. Hardfaced head bearing surface,inner hole of cone is silver-plated. The load capacity and sei-zure resistance of the bearing is greatly improved. High wear re-sistance and excellent cutting ability of the insert bit are given full play by using carbide compact of high strength and high toughness in combination with optimized compact numbers and rows,the exposure height and special shaped compacts
Mining Tricone Drill Bits
HENGJI BIT ,mining tricone drill bit is mainly used in large open-pit mining operations,such as open-pit coal mines,copper Mines,iron ore mines,molybdenum mines and other non-ferrous metal mined.The bits are used on rotary drills, with a proven reputation of high performance and low cost.
Mining tricone dril bit consists of a bearing structure,cutting structure,shirttal and lug enhancement structures,flow channel system and a thread connection.
The bearing structure consists of lug bearing,cone bearing,seal beaing,main rollers,minor rollers ,locking bearing balls,axle thruse plate, and recess thrust plate,they are categorised into air
Water Well Drilling: Ideal for drilling in soft rock formations to access groundwater sources.
Oil & Gas Exploration: Suitable for oil and gas drilling in low to medium soft formations.
Geothermal Drilling: Designed for geothermal wells where efficient penetration and minimal wear are critical.
HDD (Horizontal Directional Drilling): Works effectively in trenchless applications, improving drilling efficiency in soft formations.
Custom Solutions: Tailored to meet specific drilling needs, ensuring the right bit for the job.
Global Availability: Our products are available worldwide, ensuring timely delivery for projects of all sizes.
Expert Consultation: Our technical team offers ongoing support, assisting with optimal bit selection and maintenance.
After-Sales Service: Comprehensive after-sales support, including advice on bit performance and lifecycle management.
Q: What is the difference between TCI and Steel Tooth Tricone Bits?
A: TCI bits use tungsten carbide inserts for enhanced wear resistance, making them suitable for harder formations. Steel tooth bits are designed for softer formations and provide a more economical solution.
Q: What is the recommended operating speed for the IADC 517 bit?
A: The recommended rotary speed (RPM) for the 15 1/2'' IADC 517 bit ranges from 60 to 140 RPM.
Q: Can this bit be used for drilling in hard rock formations?
A: No, the 15 1/2'' IADC 517 bit is designed for soft formations, such as mudstone, gypsum, and salt. For harder rock formations, different bit types should be considered.
Q: How can I extend the lifespan of this tricone bit?
A: To extend the lifespan, ensure proper fluid circulation and use the bit within its recommended operating parameters. Avoid excessive rotary speeds and high weight-on-bit values that may cause premature wear.
Q: Is this bit compatible with all drilling equipment?
A: The 15 1/2'' IADC 517 bit features a 7 5/8 API REG PIN thread connection, which makes it compatible with most standard drilling rigs and drill strings.
The 15 1/2'' 394mm IADC 517 API Standard Drill Head Tricone TCI Inserts Button Bit from HJ Bit is designed for efficient drilling in soft formations such as mudstone, gypsum, and soft limestone. This high-performance tricone bit features advanced TCI (tungsten carbide insert) technology, making it perfect for high-drillability formations. With its optimized bearing structure and elastomer-sealed bearings, it ensures extended lifespan and reliable performance in various applications, including water well drilling, oil and gas exploration, and geothermal drilling. The bit is engineered to provide superior fluid circulation with three jet nozzles, ensuring efficient debris removal and cooling during drilling operations.
HENGJI BIT SPEC | IADC CODE 517 | | |
Diameter | 15 1/2 （393.7mm） | ||
Tooth Type | TCI | ||
Bearing Type | Elastomer sealed bearing | ||
Circulation Type | Mud fluid | ||
Thread Connection | 7 5/8 API REG PIN | ||
Nozzle | three jet nozzles | ||
Gauge Protection | Available | ||
Shirttail Protection | Available | ||
Operating Parameters | |||
RPM(r/min) | 140-60 | ||
WOB(KN) | 0.35-1.0 | ||
Formations | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. | ||
Application | water well drilling,oil &gas well drilling ,HDD,exploration,geothermal well drilling,drilling projects,etc | ||
TCI Inserts: Tungsten carbide inserts provide excellent wear resistance, ensuring a longer lifespan and reliable performance.
Elastomer-Sealed Bearings: Enhance bearing life by reducing friction and improving resistance to wear and tear.
Three Jet Nozzles: Designed for efficient fluid circulation, ensuring faster debris removal and better cooling.
API Thread Connection: The 7 5/8 API REG PIN thread connection ensures compatibility with various drill strings.
Gauge & Shirttail Protection: Tungsten carbide inserts protect the gauge and shirttail area from excessive wear, improving the bit's stability.
HR Series Rubber Sealed Bearing Bits
Journal bearing.Hardfaced head bearing surface.inner hole of cone is silver-plated.The load capacity and seizure resistance of the bearing is greatly improved.0 ring seal is made of the more wear resistance high saturated buna-N with the increased seal section and precisely designed sealing flflange in the cone sealing area increased the reliability of the seal.
HC Series Composite Sealed Bearing Bits
The series bits are sealed with composite rubber of sliding bearing,which can bear higher bit pressure and higher rotation speed,the service life of the bearings can be prolonged.
The bearing composite rubber seal ring, more suitable for the working environment and operating parameters of tricone bits.
The bit is made of cemented carbide inserts with high strength and wear resistance ,the inserts strength and wear resistance improved.
HM Series Metal Sealed Bearing Bits
Metal sealed with journal bearing. Hardfaced head bearing surface,inner hole of cone is silver-plated. The load capacity and sei-zure resistance of the bearing is greatly improved. High wear re-sistance and excellent cutting ability of the insert bit are given full play by using carbide compact of high strength and high toughness in combination with optimized compact numbers and rows,the exposure height and special shaped compacts
Mining Tricone Drill Bits
HENGJI BIT ,mining tricone drill bit is mainly used in large open-pit mining operations,such as open-pit coal mines,copper Mines,iron ore mines,molybdenum mines and other non-ferrous metal mined.The bits are used on rotary drills, with a proven reputation of high performance and low cost.
Mining tricone dril bit consists of a bearing structure,cutting structure,shirttal and lug enhancement structures,flow channel system and a thread connection.
The bearing structure consists of lug bearing,cone bearing,seal beaing,main rollers,minor rollers ,locking bearing balls,axle thruse plate, and recess thrust plate,they are categorised into air
Water Well Drilling: Ideal for drilling in soft rock formations to access groundwater sources.
Oil & Gas Exploration: Suitable for oil and gas drilling in low to medium soft formations.
Geothermal Drilling: Designed for geothermal wells where efficient penetration and minimal wear are critical.
HDD (Horizontal Directional Drilling): Works effectively in trenchless applications, improving drilling efficiency in soft formations.
Custom Solutions: Tailored to meet specific drilling needs, ensuring the right bit for the job.
Global Availability: Our products are available worldwide, ensuring timely delivery for projects of all sizes.
Expert Consultation: Our technical team offers ongoing support, assisting with optimal bit selection and maintenance.
After-Sales Service: Comprehensive after-sales support, including advice on bit performance and lifecycle management.
Q: What is the difference between TCI and Steel Tooth Tricone Bits?
A: TCI bits use tungsten carbide inserts for enhanced wear resistance, making them suitable for harder formations. Steel tooth bits are designed for softer formations and provide a more economical solution.
Q: What is the recommended operating speed for the IADC 517 bit?
A: The recommended rotary speed (RPM) for the 15 1/2'' IADC 517 bit ranges from 60 to 140 RPM.
Q: Can this bit be used for drilling in hard rock formations?
A: No, the 15 1/2'' IADC 517 bit is designed for soft formations, such as mudstone, gypsum, and salt. For harder rock formations, different bit types should be considered.
Q: How can I extend the lifespan of this tricone bit?
A: To extend the lifespan, ensure proper fluid circulation and use the bit within its recommended operating parameters. Avoid excessive rotary speeds and high weight-on-bit values that may cause premature wear.
Q: Is this bit compatible with all drilling equipment?
A: The 15 1/2'' IADC 517 bit features a 7 5/8 API REG PIN thread connection, which makes it compatible with most standard drilling rigs and drill strings.
