• Geological Drill Pipe with API Spec 5DP Standard System 1
  • Geological Drill Pipe with API Spec 5DP Standard System 2
  • Geological Drill Pipe with API Spec 5DP Standard System 3
Geological Drill Pipe with API Spec 5DP Standard

Geological Drill Pipe with API Spec 5DP Standard

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
1000 m.t./month

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1. Structure of Geological Drill Pipe Description


We can supply all kinds of drill pipes that are consistent with API SPEC 5DP. Advanced drill pipe production lines can transfer the welding parameters to the best position to ensure the quality of welding zone; the heat treatment process with the feature of internal and external cooling at the same time can make a more reliable and stable mechanical character. Application of automatic weight, length measurement and automatic spray records can ensure products' traceability. Application of thickening and heating lines and 1250 tons of upsetting machine can ensure the thickening size meet the standard of API SPEC 5DR Using of CN furnace for whole pipe body heating and quenching, tempering machine's advanced heat treatment process can ensure the pipe's mechanical character. Tube hydraulic straightening machine ensures the straightness and coaxiality of pipe body.

Geological drill pipe is applicable for geographical, hydrographical, coal mining, terrestrial heat and engineering drilling. The major technical indexes of these seamless steel pipes are in compliance with international standard strictly.

The pipe materials for geographic drills have strict demands in term of sizes, forms, weights, technical specifications, test methods, test regulations, packing, marking and quality certificates. The seamless steel pipes used for geographic drills, which are produced by our company all adopt the original ex-factory identifications. If the contract says that goods should be delivered in terms of steel grades, then the identifications and quality certificates of the steel pipes should be indicated with steel grades. 


2. Main Features of Geological Drill Pipe


1) Advanced test for quality 

2) MTC provided 

3) API Standard


3. Geological Drill Pipe Images


Geological Drill Pipe with API Spec 5DP Standard

Geological Drill Pipe with API Spec 5DP Standard

Geological Drill Pipe with API Spec 5DP Standard


4. Geological Drill Pipe Specification


The main products include: Φ42, Φ50, Φ60, Φ63.5. The steel grades of drill pipes currently on the market are DZ40, DZ50, DZ60 and R780.


5. FAQ of Geological Drill Pipe


We have organized several common questions for our clients,may help you sincerely:


①How about your company?

One of the leading manufacturers and suppliers specializing in drill pipe products in China, mainly offering drill pipes including oil drill pipe, water well drill pipe, flat drill pipe, geological drill pipe and non-dig drill pipe.


Other than drill pipes we are also capable of supplying a wide variety of pipeline accessories, drill joints, steel pipe fittings, valves etc. consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.


②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.


Q: What are the different end finishes available for steel pipes?
Some of the different end finishes available for steel pipes include plain ends, beveled ends, threaded ends, grooved ends, and flanged ends.
Q: What are the advantages of using steel pipes in the manufacturing of storage tanks?
There are several advantages of using steel pipes in the manufacturing of storage tanks. Firstly, steel pipes are highly durable and have a long lifespan, making them capable of withstanding high pressure and harsh environmental conditions. Secondly, steel pipes offer excellent resistance to corrosion, ensuring the integrity of the storage tank and preventing any leakage or contamination. Additionally, steel pipes are flexible and can be easily fabricated into various shapes and sizes, allowing for customization based on specific storage requirements. Lastly, steel pipes are cost-effective and readily available, making them a popular choice in the manufacturing industry.
Q: What are the common factors affecting the flow capacity of steel pipes?
The flow capacity of steel pipes can be affected by several common factors. Firstly, the diameter of the pipe plays a crucial role. A larger diameter allows for a greater flow capacity because there is more area for the fluid to pass through. Secondly, the length of the pipe also affects flow capacity. Longer pipes tend to have higher frictional losses, which can decrease the flow capacity. Thirdly, the internal surface roughness of the steel pipe can impact flow capacity. Rough surfaces create more friction, resulting in a lower flow rate. Conversely, smooth pipes allow for smoother flow and higher flow capacity. The properties of the fluid being transported through the steel pipe are another important consideration. Factors such as viscosity, temperature, and density can all influence the flow rate. For example, highly viscous fluids have a lower flow capacity compared to less viscous fluids. Additionally, pressure drop along the length of the pipe is a significant factor. Friction, bends, and restrictions can all cause pressure losses, resulting in a lower flow capacity. The material of the steel pipe and its wall thickness also play a role. Different materials have varying properties that can impact flow rates. Moreover, thicker walls can reduce the internal diameter of the pipe, leading to a lower flow capacity. Lastly, the design and layout of the pipe system, including the presence of fittings, can impact flow capacity. Fittings such as valves, elbows, and tees can cause additional pressure drops and turbulence, reducing the overall flow rate. Considering these factors is essential when designing or evaluating a steel pipe system to ensure optimal flow capacity and efficiency.
Q: Are steel pipes suitable for use in automotive industries?
Yes, steel pipes are suitable for use in automotive industries. Steel pipes offer high strength, durability, and resistance to corrosion, making them ideal for various applications in the automotive sector, such as exhaust systems, suspension systems, and fuel delivery systems. Steel pipes can withstand high temperatures and pressures, ensuring reliable performance and safety in automotive vehicles.
Q: Can steel pipes be used for underground transportation tunnels?
Yes, steel pipes can be used for underground transportation tunnels. Steel pipes are often used in the construction of underground tunnels due to their durability, strength, and resistance to corrosion. They can efficiently withstand the pressure and weight of the surrounding soil and provide a reliable transportation infrastructure.
Q: What are the different joining methods for steel pipes?
The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.
Q: What are the different types of steel pipe unions?
There are several different types of steel pipe unions, including threaded unions, socket weld unions, and butt weld unions.
Q: What are the different types of coatings used for internal lining of steel pipes?
There are several types of coatings commonly used for the internal lining of steel pipes, including epoxy coatings, polyurethane coatings, and cement mortar linings. These coatings are applied to protect the steel pipes from corrosion, improve the flow of fluids, and enhance the longevity and durability of the pipes.
Q: Are steel pipes suitable for conveying fluids?
Yes, steel pipes are suitable for conveying fluids. Steel pipes have been widely used in various industries for many years due to their durability, strength, and resistance to corrosion. These qualities make steel pipes an ideal choice for conveying fluids such as water, oil, gas, and even hazardous chemicals. The smooth interior surface of steel pipes also allows for efficient flow and prevents clogging, making them suitable for applications that require a continuous and smooth flow of fluids. Furthermore, steel pipes can withstand high pressure and temperature conditions, making them suitable for both high and low-pressure fluid transmission systems. Overall, steel pipes are a reliable and efficient option for conveying fluids in a wide range of industries, including oil and gas, water treatment, chemical processing, and many more.
Q: Can steel pipes be used for underground water wells?
Yes, steel pipes can be used for underground water wells. Steel pipes are often chosen for their durability and strength, which makes them suitable for withstanding the pressure and weight of the surrounding soil and water. They are commonly used in both residential and industrial applications for drilling and constructing water wells. However, it is important to consider certain factors such as the type and quality of the steel, as well as the presence of corrosive elements in the water, to ensure the longevity and reliability of the well system. Additionally, proper insulation and coating may be required to prevent corrosion and contamination of the underground water source.

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