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OCTG casing and tubing

Iproc offers a complete range of API 5CT casing and tubing for all types of oil exploration and production demands. The material includes carbon steel (for the most common use), alloy, chrome and high alloy steels. API 5CT grades cover J55 / K55, N80 type 1 and N80Q, L80, C90, T95, P110, Q125, and with additional requirements of 13 Cr.

Supply Range

    • Iproc supplies API 5CT casing pipes with the following sizes and specifications:

    • Standard and Grades: API 5CT J55 / K55, N80-1, N80Q, C90, T95, P110, Q125 and 13Cr

    • Casing Pipe Size range: 5 1/2 “to 20” Length usually in R3.

    • Tubing Pipe dimensions range: 1.0 “, 1.315”, 1.66 “, 1.9”, 2.063 “, 2 3/8”, 3 1/2 “and 4 1 /2”, Length in R2.

    • Type of connections for Casing: BTC (thread coupling buttress), LTC (long round thread coupling), premium connection.

    • Types of connections for Tubing: BTC, NUE, EUE, Premium

Casing Pipe

The shape of the casing section is round, in large diameter pipes and is inserted into the oil well, fixed with cement to protect other equipment that is mostly made of iron and steel. The oil well must be designed to withstand the force different from the external power, such as crushing, explosion, stress and chemical corruption.

API 5CT casing pipe is used to support the oil and gas pipe wall, and to ensure the drilling process and the post-completion wells normal operation. Each well depending on the depth of drilling and geological conditions, to use several layers of casing. After cementing casing to be used to go down, it different from tubing, drill pipe and can not be reused, a one-time consumable materials. Therefore, the casing consumption accounts for over 70% of all the oil well pipe. According by usage can be divided into the sleeve pipe, surface casing, casing and production casing.

OCTG Tubing Pipe

OCTG Tubing pipe goes inside the casing pipe because it is the pipe through which oil makes its way out. Tubing is the simplest part of OCTG and it is normally found in the segment of 30 ft (9 m), with threaded connection at both ends. The pipe is either used to transport natural gas or crude oil from the producing formation to the facilities where it will be processed after drilling is complete.

Tubing (pumping pipe) goes inside the casing because it is the pipe through which oil makes its way out. Pipe of production is the simple part of OCTG and it is normally found in the segment of 30 ft (9 m), with threaded connection at both ends. The pipe is either used to transport natural gas or crude oil from the producing formation to the facilities where it will be processed after drilling is complete

Casing and Tubing coupling

As we know, the coupling of steel pipes is a pipe or short pipe with threads on both ends and is used to connect pipes. The API coupling plays an important role in the connection of pipes and casings, since it requires more rigorous manufacturing processes than normal steel couplings. The recommended standard is API 5B.

Our advantages

Sourcing from all the good API 5CT casing pipe manufacturers in China, Iproc is working on providing high quality casing pipe with most competitive price. Especially for the the grades J55/K55, N80-1 and N80Q casing. Moreover, Iproc is engaged in providing various premium connection casing pipe, for the server working conditions.

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