| After-sales Service: | Replacement Within Warranty |
|---|---|
| Warranty: | Three Months |
| Certification: | API |
|
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Our 9 5/8" L80 D10 BC casing pipe is designed for high-strength, corrosion-resistant performance in oil and gas well drilling. Manufactured according to API 5CT standards, it features L80 grade steel and a buttress connection (BC) to ensure secure sealing and reliable structural support in deep well operations.
Applications
Oil & Gas Exploration: Vertical and directional well casing
Deep Well Drilling: High-pressure, high-temperature (HPHT) environments
Geothermal Projects: Corrosive and thermal-resistant casing applications
Petrochemical Fields: Secure tubing for wellbore integrity
Offshore Drilling: Saltwater corrosion resistance
Key Configurations
Size: 9 5/8 inches (244.5 mm outer diameter)
Material Grade: L80 (API 5CT compliant)
Connection Type: BC (Buttress Thread Connection)
Drift Diameter: D10
Wall Thickness: Customizable as per request
Length Range: R1, R2, R3
Standard: API 5CT / ISO 11960
| Parameter | Value |
|---|---|
| Outer Diameter | 9 5/8" (244.5 mm) |
| Steel Grade | L80 |
| Connection Type | BC (Buttress Thread) |
| Drift Diameter | D10 |
| Wall Thickness | 8.94 - 12.06 mm (typical) |
| Tensile Strength | ≥ 655 MPa |
| Yield Strength | ≥ 552 MPa |
| Application Standard | API 5CT, ISO 9001, ISO 14001 |
| Surface Treatment | Varnish, anti-corrosion coating |
| Ends | Threaded & coupled |
Custom sizes and wall thickness available upon request.
Detailed CAD drawings and threading specifications available upon inquiry or can be provided with the order for project-specific design needs.
Standard Warranty: 3 months after delivery or usage of 2,000 hours (whichever comes first)
Extended Warranty: Optional 12-month coverage
Global Support: Spare parts & technical guidance 24/7
Training: Online or on-site training for handling, inspection, and connection
Q: Can I request a customized thread type or drift size?
A: Yes, we support customized orders to meet project-specific needs.
Q: Do you provide third-party inspection certificates?
A: Absolutely, we work with SGS, BV, TUV, and other certification bodies.
Q: What is your delivery time?
A: Standard lead time is 15-25 days; large or customized orders may take 30-45 days.
Q: What export documents are included?
A: Full export set: Commercial Invoice, Packing List, Mill Test Certificate (MTC), Certificate of Origin, and Bill of Lading.
Q: How do I place an order?
A: Contact us by email or phone to get a quote, confirm specs, and issue a PO.
Tianjin Dongfanglong Machine Manufacture Co., Ltd was established in 1999 and is a national high-tech enterprise concentrating on petroleum specialized pipes, petroleum specialized drilling and production tools, and petroleum specialized automation equipment. The company has 46 engineers and highly skilled talents, over 50 independent intellectual property rights, and have created the industry's first professional e-commerce platform, the "Dongfang Yunlong E-commerce Platform". It has formed an industrial chain that integrates the design, research and development, manufacturing, sales, testing and experimentation,and technical services of petroleum machinery products and CNC automation equipment, which can meet customers' full cycle service needs for products.
Since its establishment, the company has successively passed the ISO9001 quality system, ISO14001 environmental management system, ISO45001 occupational health and safety management system certification, HSE health, safety and environmental management system certification, and integration management system certification. In 2007, the company obtained the API 5CT certificate authorized by the American Petroleum Institute and the quality supplier assessment certificate issued by BV France. With excellent system management and quality control, Dongfanglong won the "Mayor of Puyang City Quality Award";
The company takes the "Dongfang Yunlong E-commerce Platform" as its core and promotes it through multiple platforms, successfully building a petroleum equipment industry alliance and conducting domestic and international trade. Dongfanglong utilizes a large digital platform as its carrier to fully integrate customer resources, analyze customer types, expand business types, and conveniently and quickly complete cross-border electronic business. It aims to focus on the company's proprietary products, drive the sales of petroleum machinery in the industry, and quickly occupy and expand the market share of petroleum machinery products through e-commerce platform sales. By continuously cultivating and introducing sales elites, improving the official website sales platform, and increasing international promotion investment, our products are exported to 31 countries and regions such as the United States, Russia, and the United Arab Emirates.
In the future, Dongfanglong will solidly implement the new development concept, guided by the new development concept of innovation, coordination, green, openness, and sharing. It will closely focus on national policy guidance, formulate a sustainable development transformation strategy, anchor the goal of becoming a century old enterprise and striving for national glory, continuously forge ahead, and work together with people of insight from all walks of life to achieve win-win results, jointly building the dream of soaring petroleum equipment manufacturing.
API & ISO Certified Production
OEM/ODM Support
Fast Shipping & Custom Clearance Support
Competitive Factory Pricing
Full Technical Documentation
Global Delivery & After-sales Service
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