API 5CT Seamless Pipe Manufacturer

API 5CT Standard Seamless Steel Pipes are high-performance pipes designed for use in oil and gas well drilling and extraction. Manufactured to meet the American Petroleum Institute (API) 5CT specification, these pipes are used as casing and tubing to support well structures and transport oil, gas, and other fluids.

They are available in various grades, such as J55, K55, N80, and P110, to suit different well conditions, including high pressure, temperature, and corrosive environments. Their seamless construction ensures superior strength, durability, and resistance to wear, making them essential for reliable and safe operations in both onshore and offshore drilling applications.

Types of API 5L Standard Seamless Steel Pipe

Casing and Tubing

Grades of API 5CT Pipes

API 5CT pipes come in various grades like J55, K55, N80, P110, and Q125, each designed for specific pressure, temperature, and corrosion resistance needs in oil and gas extraction.

Seamless vs. Welded API 5CT Pipes

Seamless pipes have no welded seams, offering higher strength and reliability for high-pressure applications, while welded pipes are cost-effective for less demanding conditions.

Casing and Tubing Functions

Casing pipes stabilize wellbores and prevent collapse, while tubing pipes transport oil and gas to the surface. Both are critical for safe and efficient well operations.

Material Composition OF API 5CT Pipes

API 5CT pipes are made from carbon or alloy steel, tailored to withstand harsh downhole conditions, including high pressure, temperature, and corrosive fluids.

Manufacturing Process OF API 5CT Pipes

Seamless pipes are produced through extrusion or rotary piercing, ensuring uniform strength and durability, while welded pipes are formed and welded from steel plates.

Applications in Offshore Drilling

API 5CT pipes are essential for offshore drilling due to their ability to withstand high pressure, saltwater corrosion, and extreme environmental conditions.

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We specialize in the production of seamless steel pipes, boiler pipes, oil casing and pipe fittings，If you have any inquiry, please feel free to contact us.