HEAVY WEIGHT DRILL PIPE

Founded in 2013, Yantai Xinbaoshang Materials Technology Co., Ltd.
China's leading heavy weight drill pipe manufacturer and supplier

ABOUT HEAVY WEIGHT DRILL PIPE

Heavy Weight Drill Pipe (HWDP) is a critical component in the oil and gas industry, specifically designed to meet the demands of modern oil and gas drilling operations. HWDP products are manufactured using high-strength steel, offering exceptional wear resistance and corrosion resistance, enabling reliable performance under extreme conditions. They play a crucial role in the drilling string, primarily used to increase drill bit downforce and stability, thereby enhancing drilling efficiency. The unique design of HWDP includes thicker walls and a heavier structure. This additional weight helps enhance the drill bit's drilling capability, particularly in soft soil or unstable formations, reducing the risk of drill bit vibration and twisting, and ensuring smoother drilling operations. Each HWDP is subject to rigorous quality testing and meets API standards.

HEAVY WEIGHT DRILL PIPE

HEAVY WEIGHT DRILL PIPE APPLICAITON

Transition Zone

HWDP acts as a transition member between the stiff drill collars and the more flexible drill pipe, helping to reduce stress concentration and fatigue failures in the drill string. 

Weight on Bit (WOB) and Stiffness

The increased weight and stiffness of HWDP can be used to provide more weight on the drill bit, which is crucial for efficient drilling, especially in hard or abrasive formations. 

Directional and Horizontal Drilling

HWDP is particularly useful in directional and horizontal drilling where maintaining the desired wellbore trajectory and minimizing deviation are critical. The flexibility of HWDP can help navigate bends and curves in the wellbore, while its stiffness helps control the drilling direction. 

Deep Drilling

In deep drilling operations, the weight of the drill string can become a limiting factor. HWDP can help add weight to the drill string, allowing it to reach deeper depths and improve drilling efficiency. 

Preventing Buckling and Sticking

The thicker wall of HWDP helps prevent buckling, especially in the transition zone, and can also reduce the risk of differential sticking, where the drill string gets stuck due to pressure differences. 

Improved Hole Cleaning

The increased stiffness of HWDP can also contribute to better hole cleaning by improving the flow of drilling fluids, which helps remove cuttings and debris from the wellbore. 

Reducing Fatigue Failures

By acting as a buffer between the drill collars and drill pipe, HWDP helps reduce the stress and fatigue experienced by the drill string, leading to longer component life. 

OUR PRODUCT DIMENSIONS

As a leading manufacturer and supplier of heavy weight drill pipe products in China, our products cover most application scenarios in terms of size and standards. Our products strictly comply with international standards such as API and ASTM. If you have any other requirements for product specifications, please feel free to contact us for customization.

Outer Diameter (OD)HWDP typically ranges from 2 7/8″ to 6 5/8″ in outer diameter.
Steel GradeHWDP is commonly made from AISI 4145H modified alloy steel or proprietary alloys like DPM-65MS or DPM-HW90SS.
Weight RangeWeights can vary widely, but some examples include 6.27#/FT through 27.72#/FT as listed by Drilling Manual, with heavier options available.
LengthsHWDP is available in lengths similar to standard drill pipe, typically categorized as Range 2 and Range 3.
Tool Joint ConnectionsCommon tool joint connections include NC38, NC46, NC50, and 5-1/2 FH.
StandardsHWDP is manufactured to meet API 7 and API 5DP standards.
Material PropertiesThe material needs to meet the mechanical properties specified in API Spec 7-1.
Wall ThicknessHWDP has thicker walls than standard drill pipe, often three times thicker for similar sizes.
End FinishesCommon end finishes include Internal Upset, External Upset, Plain End Upset, and Non Upset. 

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PRODUCTION AND PROCESSES

We have two pipe product manufacturing bases in Yantai, Shandong Province. One of them, the General Pipe Manufacturing Base, has a history of nearly 70 years and is equipped with five hot-rolling production lines and one cold-drawing production line, with an annual production capacity of up to 500,000 tons. Leveraging our mature production processes and economies of scale, our product range encompasses over 1,000 specifications of pipe products, fully compliant with international standards such as API 5L, ASTM A106, and ASTM A333. While ensuring quality, we also offer a leading price advantage.

Our high-standard pipeline product production base has a stable production capacity of 800,000 tons, primarily producing high-grade steel products such as API 5L X100 PSL2, API 5CT Super 13Cr, and ASTM A335 P91. Our product specifications cover a wide range, with a maximum outer diameter of 20 inches, a wall thickness of up to 70 millimeters, and a single-piece length of up to 36 meters, capable of meeting the demands of steel pipes in various harsh operating conditions.

Seamless steel pipe manufacturer
Seamless steel pipe manufacturer
Seamless steel pipe manufacturer
Seamless steel pipe manufacturer
Seamless steel pipe manufacturer
Seamless steel pipe manufacturer
Seamless steel pipe manufacturer
Seamless steel pipe manufacturer
Seamless steel pipe manufacturer

FAQs

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WHY CHOOSE US ?

A comprehensive supply chain system and resource integration capabilities are our core strengths. By establishing long-term, in-depth partnerships with numerous outstanding factories, we have built a complete product system, ensuring that you can purchase all supporting products in one place, thereby saving a significant amount of time and cost. With our deep understanding of the local market and long-term, stable procurement volume, we are able to provide the highest quality products at the same price point, helping you maintain a competitive edge in the fiercely competitive market.

Customized solutions and deep processing

Customized solutions and deep processing

We have a professional team of more than 20 people and extensive experience in international projects. We can tailor solutions to your specific needs and provide quick quotes. We have three leading steel pipe product processing plants in Yantai, Shandong and Cangzhou, Hebei, which can meet all your deep processing and customization needs.

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High standards of quality control

High standards of quality control

Quality is our core principle. All products undergo comprehensive quality inspections before leaving the factory. After being stored in our warehouse, we conduct rigorous secondary quality inspections and can provide specified quality inspection plans according to customer requirements. We ensure that our product quality far exceeds contract standards and international standards.

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Fast delivery and after-sales service

Fast delivery and after-sales service

With a standing inventory capacity of 35,000 tons and a leading supply chain advantage, we achieve the fastest delivery times in the industry. We have offices in Hong Kong, Thailand, and Malaysia to ensure timely after-sales support for our customers. Our goal is to establish long-term partnerships with our customers, grow together, and create greater value.

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BLOG AND NEWS

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END CUSTOMERS

Our steel pipe products have been widely used in major energy projects around the world, serving international energy giants, including China National Petroleum Corporation, Sinopec, Shell, Total, as well as national oil companies from countries such as Kuwait, Azerbaijan, Abu Dhabi, Qatar, Algeria, and Saudi Arabia. We have accumulated rich experience in international project services.

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