Specifications of Custom OCTG Tubing and Casting
Grades of Casing: API 5CT J55/K55/N80/L80-1/L80-9Cr/L80-13Cr/P110/Q125/K55 D10/L80 D10
Diameter: From 4 1/2 inch to 20 inch（48.26mm – 508mm)
Nominal Weight: From 9.5 lb/ft to 169 lb/ft. From 9.5 ppf to 169 ppf.
Lenght: R1, R2, R3
Why Choose Baokun?
- Affordable Pricing: As a direct manufacturer, Baokun offer competitive pricing, helping you stay within budget without compromising on quality.
- Proven Expertise: With years of industry experience, we understand your needs and deliver reliable, high-performance solutions.
- Fast Delivery: With our large inventory in stock, we ensure timely shipping to keep your projects on schedule.
- 24/7 Customer Support: Our dedicated team is available around the clock, providing fast and personalized service to assist you.
- After-Sales Support: If you encounter any issues, we offer seamless returns or exchanges for defective products to keep your operations running smoothly.
- Versatile Options: Choose from a wide selection of sizes and specifications, or let us customize the casing to meet your unique project requirements.
FAQs
1. What is an OCTG Pipe?
OCTG stands for “Oil Country Tubular Goods,” which are steel pipes used in the oil and gas industry. These pipes are large diameter pipes, specially designed for use in drilling operations, wellbore construction, and the transportation of oil and gas. They are known for their strength, durability, and ability to withstand high pressures and harsh environments.
2. What Are Large Steel Pipes Used For?
Large steel pipes are used in a wide range of applications across industries. Some of their key uses include:
- Oil and Gas Pipelines: Transporting crude oil, natural gas, and refined products across long distances.
- Water Supply: Moving water for municipal systems or industrial applications.
- Construction: As structural elements in buildings, bridges, and tunnels.
- Mining and Chemical Industries: For transporting chemicals, slurry, or other materials.
- Infrastructure Projects: Supporting projects like sewage systems, irrigation, and power generation.
3. What Grade is OCTG Tubing?
OCTG tubing comes in different grades, with each grade designed for specific applications based on its strength and durability. The most common grades for OCTG tubing include J55, K55, N80, L80, P110, and Q125.
These grades are standardized and indicate the pipe’s resistance to various pressures, temperatures, and corrosive environments. Higher grades, like P110 and Q125, are often used in deep or high-pressure wells, while lower grades like J55 are used for shallower wells.
4. What is the Difference Between Tubing and Casing?
OCTG Tubing and casing are both essential components in drilling wells, but they serve different purposes.
- Tubing: This is the pipe through which oil and gas are brought to the surface. It’s placed inside the casing and is smaller in diameter, allowing for easy flow of fluids.
- Casing: This is a larger pipe used to line the wellbore. It prevents the walls of the well from collapsing and protects groundwater from contamination. It also helps with controlling pressure and fluid flow in the well.
In simple terms, casing provides structural support, while tubing enables the transport of oil and gas.
