Heavy Duty Drill Rod for Geological Exploration & Construction
Long drill pipes，Integrated drill rod with chisel and drill bit，measuring 9m to 12m in length, are high-performance components built for deep and ultra-deep well drilling (exceeding 3000m) and complex extended-reach operations. Engineered with premium high-tensile steel and enhanced wall thickness, they resist extreme downhole pressure, torsion, and fatigue, making them perfect for offshore drilling, deep oil/gas exploration, and scientific deep borehole projects. By minimizing the number of pipe joints, they reduce friction loss, torque attenuation, and leakage risks, significantly boosting drilling efficiency and operational safety. Suitable for horizontal wells, complex structural wells, and deep geothermal exploitation, these pipes deliver superior rigidity, wear resistance, and stability, ensuring reliable performance in harsh deep formation environments where standard-length pipes fail to meet performance demands.
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Taper drill rods H22/B22
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Material
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High quality carbide and 55SiMnMo steel
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Process
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Forging
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Usage
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Rock drilling, coal mining, and geological drilling
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Taper Degree
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4,7,11,12 degree
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Length
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400-6000mm
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Weight
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3..3kg/m
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Specification
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h22*108mm
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Product Model
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Integrated drilling rod/Drill rod
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We specialize in manufacturing sturdy, high-performance drill pipes for a wide range of drilling work, including oil, gas, water well, mining and geothermal projects. With decades of practical production experience in the drilling equipment industry, we adopt mature processing techniques and strict layer-by-layer quality inspections. Every drill pipe is finely crafted to deliver stable performance and high working efficiency, fully meeting diverse drilling needs for global field operations.
Made of premium high-strength alloy steel, our drill pipes come with great overall mechanical strength, superb fatigue resistance and outstanding pressure tolerance, standing up well to long-term use in tough and complex working conditions. Precise threading and integral finishing ensure tight fits between connected pipes, stable torque delivery and zero operational leakage. This helps sites cut frequent maintenance work and lower running costs, ensuring safe and uninterrupted drilling for both surface and underground mining and drilling tasks.
We stock a complete range of standard drill pipe specifications to fit different well depth requirements for various drilling tasks. Widely used in water well drilling, mineral exploration and mining, oil and gas development, as well as geothermal well construction, our drill pipes maintain steady and trustworthy performance in all kinds of field projects.
As a direct factory manufacturer, we offer favorable prices, consistent large-volume supply and full technical & after-sales support. We have long served global drilling contractors, construction teams and equipment distributors with cost-effective and durable drill pipe products. Focusing on stable quality and honest service, we strive to be your reliable long-term partner for all drilling equipment purchases.
Core Classification & Basic Rules
Always inspect threads, tool joints, and wall integrity before use; avoid over-torquing connections, and match pipe grade to formation stress to prevent fatigue and breakage. Prioritize compatible rig handling systems and clearance for safe operation.
Short Drill Pipe Compatible Machines: Small portable drilling rigs, compact workover rigs, and low- rigs with limited vertical space. Ideal for lightweight, mobile setups.
Recommended Terrain & Applications: Shallow wells (<50m), confined job sites, urban construction drilling, and soft unconsolidated formations (sandy soil, loam). Suited for quick, small-scale projects like water well maintenance and foundation sampling, where maneuverability matters more than depth.
Medium Drill Pipe
Compatible Machines: Standard onshore drilling rigs, medium-duty exploration rigs, and general-purpose rotary rigs; the most widely rig-matched length.
Recommended Terrain & Applications: Moderate-depth wells (50–500m), mixed terrain (soft soil interspersed with fragmented rock), and conventional geological exploration. Balances efficiency and handling ease, perfect for agricultural irrigation wells, mineral prospecting, and municipal engineering drilling in stable to slightly complex formations.
Long Drill Pipe
Compatible Machines: Heavy-duty deep-well rigs, offshore drilling rigs, and high-capacity rigs with robust hoisting systems .
Recommended Terrain & Applications: Deep/ultra-deep wells (>500m), hard abrasive rock formations, fractured strata, and high-pressure/high-temperature environments. Reduces joint count to minimize wear and hydraulic loss, ideal for oil/gas exploration, geothermal drilling, and deep mining core sampling in rugged, complex subsurface conditions.
Recommended Terrain & Applications: Shallow wells (<50m), confined job sites, urban construction drilling, and soft unconsolidated formations (sandy soil, loam). Suited for quick, small-scale projects like water well maintenance and foundation sampling, where maneuverability matters more than depth.
Medium Drill Pipe
Compatible Machines: Standard onshore drilling rigs, medium-duty exploration rigs, and general-purpose rotary rigs; the most widely rig-matched length.
Recommended Terrain & Applications: Moderate-depth wells (50–500m), mixed terrain (soft soil interspersed with fragmented rock), and conventional geological exploration. Balances efficiency and handling ease, perfect for agricultural irrigation wells, mineral prospecting, and municipal engineering drilling in stable to slightly complex formations.
Long Drill Pipe
Compatible Machines: Heavy-duty deep-well rigs, offshore drilling rigs, and high-capacity rigs with robust hoisting systems .
Recommended Terrain & Applications: Deep/ultra-deep wells (>500m), hard abrasive rock formations, fractured strata, and high-pressure/high-temperature environments. Reduces joint count to minimize wear and hydraulic loss, ideal for oil/gas exploration, geothermal drilling, and deep mining core sampling in rugged, complex subsurface conditions.
Precautions For Use
Drill pipes play a crucial role in drilling operations, mainly used to connect equipment, transport mud, withstand pressure, and assist in drilling.
1. Connect devices
Drill pipe is a key component that connects the surface equipment of the drilling rig with the drilling and grinding equipment or bottom hole device located at the bottom of the drilling rig. It ensures that power can be smoothly transmitted to the bottom of the drilling well, thereby achieving effective drilling operations.
2. Transport mud
During the drilling process, the drill rod is responsible for transporting the drilling mud to the drill bit. Mud not only serves to cool the drill bit, but also carries rock debris and stabilizes the wellbore, making it an indispensable part of drilling operations.
3. Endure pressure and vibration
Drill rods need to withstand enormous internal and external pressure, twisting, bending, and vibration during the drilling process. These forces place high demands on the materials and manufacturing processes of drill rods to ensure their proper functioning in harsh drilling environments.
4. Auxiliary drilling
The drill rod and drill bit work together to carry out drilling operations by raising, lowering, or rotating the bottom hole device. The rigidity and stability of drill rods are crucial for ensuring the smooth progress of drilling operations.
5. Application Fields
Drill rods are widely used in multiple fields, including:
Geological exploration: used for core drilling, mineral exploration, and geological survey.
Oil and gas: As the core components of oil and gas well drilling, it is suitable for deep wells, ultra deep wells, and high-temperature and high-pressure environments.
Coal mine: used for underground gas extraction, water exploration, and coal seam exploration.
Construction: Used for pile foundation engineering, rotary drilling rig and anchoring construction.
Water well: specifically designed for hydrogeological drilling, geothermal well and drinking water well construction.
1. Connect devices
Drill pipe is a key component that connects the surface equipment of the drilling rig with the drilling and grinding equipment or bottom hole device located at the bottom of the drilling rig. It ensures that power can be smoothly transmitted to the bottom of the drilling well, thereby achieving effective drilling operations.
2. Transport mud
During the drilling process, the drill rod is responsible for transporting the drilling mud to the drill bit. Mud not only serves to cool the drill bit, but also carries rock debris and stabilizes the wellbore, making it an indispensable part of drilling operations.
3. Endure pressure and vibration
Drill rods need to withstand enormous internal and external pressure, twisting, bending, and vibration during the drilling process. These forces place high demands on the materials and manufacturing processes of drill rods to ensure their proper functioning in harsh drilling environments.
4. Auxiliary drilling
The drill rod and drill bit work together to carry out drilling operations by raising, lowering, or rotating the bottom hole device. The rigidity and stability of drill rods are crucial for ensuring the smooth progress of drilling operations.
5. Application Fields
Drill rods are widely used in multiple fields, including:
Geological exploration: used for core drilling, mineral exploration, and geological survey.
Oil and gas: As the core components of oil and gas well drilling, it is suitable for deep wells, ultra deep wells, and high-temperature and high-pressure environments.
Coal mine: used for underground gas extraction, water exploration, and coal seam exploration.
Construction: Used for pile foundation engineering, rotary drilling rig and anchoring construction.
Water well: specifically designed for hydrogeological drilling, geothermal well and drinking water well construction.
In summary, drill rods play an important role in drilling operations, and their design and material selection directly affect the efficiency and safety of drilling. With the advancement of technology, the performance and applications of drill pipes will continue to be improved and expanded.
Delivery for :
FAQ：
1. : Are you factory or trade company?
A: We are factory. And we have ourselves trading company.2: Warranty terms of your machine?
A: 3 months for the core components and technical support according to your needs.3: Will you provide some spare parts of the machines?
A: Yes, we have most of the spare parts in stock.
A: We are factory. And we have ourselves trading company.2: Warranty terms of your machine?
A: 3 months for the core components and technical support according to your needs.3: Will you provide some spare parts of the machines?
A: Yes, we have most of the spare parts in stock.
4: Which payment term can you accept?
A: 30% T/T in advanced, 70% T/T before the delivery.
5: Can you accept OEM orders?
A: Yes, we have high specialized and rich experienced team, OEM orders are highly welcome.
6: Which trade term can you accept?
A: FOB, CIF, CFR, EXW, CPT, etc.
We are one of the famous rock drilling jack hammer manufacturers in China, specializing in the production of rock drilling tools with exquisite workmanship and superior materials, manufactured in strict accordance with industrial quality standards and CE, ISO9001 quality management system certification. These drilling machines are easy to install, operate and maintain. The drilling machines are reasonably priced and easy to use. The rock drill is designed to be sturdy and durable, not easily damaged, with a full range of rock drill accessories
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