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The API7-1 Spiral Heavy Weight Drill Pipe (HWDP) from Dongying Lake Petroleum Technology Company is an intermediate-weight drill stem component used in oil and gas rotary drilling operations. It features a spiral-shaped steel body to reduce sticking risk and improve hydraulics, with sizes ranging from 3-1/2 to 5 inches and API 7-1 threaded connections. The pipe is manufactured from high-strength alloy steel, typically Grade S-135 or G-105, to withstand the mechanical stresses of deep-well and directional drilling.
HWDP bridges the gap between standard drill pipe and drill collars, providing controlled weight to the bottom hole assembly while maintaining flexibility. The spiral design enhances structural integrity, increasing torque capacity and resistance to fatigue in high-stress drilling environments. Threads are coated for protection against corrosion and wear during transport and handling, with the pipe typically exported in bundled or racked configurations.
This drill pipe is essential for directional drilling, fishing operations, and deep-well applications where shock resistance and drill string stability are critical. Buyers in the oilfield services sector prioritize HWDP for its ability to reduce vibration and improve weight transfer in extended reach or horizontal wells. Confirm the specific grade, size, and connection type to ensure compatibility with existing drill strings and rig equipment.
| Standard | API 7-1 |
| Size Range | 3-1/2 to 5 inches |
| Material Grade | High-Strength Alloy Steel (Grade S-135 or G-105) |
| Connection Type | API 7-1 Threaded |
| Body Design | Spiral-shaped |
| Typical Length | 9 to 12 meters typical |
| Typical Weight per Meter | 50 to 80 kg typical for 5-inch HWDP |
| Thread Protection | Protective coating |
| Export Packaging | Bundled or racked |
| Typical Tensile Strength | Minimum 95 ksi for Grade S-135, 80 ksi for Grade G-105 |
Dongying Lake Petroleum Technology Company is located in Huanghe Road, Dongying, Shandong, China. The company specializes in oilfield equipment, with a focus on drill pipes, HWDP, and related drilling components for the upstream oil and gas sector. Its harbor-tier trust status indicates a verified operational presence in the petroleum technology supply chain.
The supplier’s profile does not provide response rate or average response time metrics, suggesting no recorded engagement data on the platform. Dongying Lake Petroleum Technology Company positions itself as a provider of API-compliant drill pipe solutions, catering to drilling contractors and oilfield service companies. No additional details on certifications, production capacity, or client references are available in the provided data.
API7-1 Spiral Heavy Weight Drill Pipe (HWDP) is an intermediate-weight drill stem component used alongside standard drill pipe in oil and gas rotary drilling operations. Featuring spiral-shaped steel body sections, HWDP provides controlled weight and improved hydraulics in the drill string. Sized in the 3-1/2" to 5" range with API 7-1 threaded connections, this pipe is essential for directional drilling, fishing operations, and deep-well applications where drill string flexibility and shock resistance are required. Heavily traded in the international oilfield supply market, HWDP is exported in bundled or racked configurations with protective thread coatings.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Before placing an order, confirm the HWDP’s grade, size, and connection type to ensure compatibility with your drill string and rig equipment. Verify whether the spiral design meets your operational needs, particularly for directional drilling or high-angle wells. Request API 7-1 certification and mill test reports to validate material and manufacturing compliance.
Discuss packaging options, as bundled or racked configurations may impact shipping costs and handling requirements. Clarify Incoterms (e.g., FOB Qingdao or CIF destination port) and payment terms to avoid unexpected expenses. Lead times for HWDP can vary based on grade and size; confirm production schedules to align with drilling project timelines.
Upon receipt, inspect the pipe for visible defects, thread damage, or improper coating. Perform dimensional checks against API 7-1 specifications and conduct a hydrostatic test to confirm pressure integrity. Ensure all documentation, including MTRs and torque charts, is provided and matches the ordered specifications.
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When sourcing Api7-1 Spiral Heavy Weight Drill Pipe for your business, securing the right balance of quality and cost is essential. Dongying Lake Petroleum Technology Company, a verified supplier based in China, offers this product with key specifications including API 7-1, API 5DP, S-135, G-105, or E-75, and 3-1/2 in, 4-1/2 in, or 5 in. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7304.23, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Importing Api7-1 Spiral Heavy Weigh requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongying Lake Petroleum Technology Company offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7304.23 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Api7-1 Spiral Heavy Weigh has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Flanges category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Importing Api7-1 Spiral Heavy Weigh requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7304.23 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Api7-1 Spiral Heavy Weight Drill Pipe from Dongying Lake Petroleum Technology Company is $500/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dongying Lake Petroleum Technology Company through EximNext.
The supplier, Dongying Lake Petroleum Technology Company, has set a Minimum Order Quantity (MOQ) of 1 Bags for Api7-1 Spiral Heavy Weigh. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Api7-1 Spiral Heavy Weight Drill Pipe is classified under HS Code 7304.23. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Api7-1 Spiral Heavy Weigh from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongying Lake Petroleum Technology Company. Ensure you have the necessary import licenses for Flanges products in your destination country.
Yes, Dongying Lake Petroleum Technology Company is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
The key specifications for Api7-1 Spiral Heavy Weight Drill Pipe supplied by Dongying Lake Petroleum Technology Company include API 7-1, API 5DP, S-135, G-105, or E-75, and 3-1/2 in, 4-1/2 in, or 5 in. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Dongying Lake Petroleum Technology Company offers Api7-1 Spiral Heavy Weigh with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Api7-1 Spiral Heavy Weigh is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongying Lake Petroleum Technology Company through our platform.
Dongying Lake Petroleum Technology Company maintains international quality certifications. These ensure that the Api7-1 Spiral Heavy Weigh meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongying Lake Petroleum Technology Company will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dongying Lake Petroleum Technology Company.
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