Coating Pipe
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API Specification 5CT Oil Casing API 5CT Grade J55 OCTG Petroleum casing pipe suppliers in China
Our API 5CT grade J55 oil casing is made of high quality steel and is available in various grades such as J55, K55, N80, L80 and P110 to meet different operating requirements. The J55 grade, in particular, has excellent corrosion resistance and high tensile strength, making it an ideal choice for cased wells in harsh environments.
Our API 5CT grade J55 oil casing is designed to provide a durable protective lining for oil and gas wells, protecting the integrity of the wellbore and ensuring efficient production. With its precision engineering and seamless construction, the bushing provides superior performance in withstanding high pressures, extreme temperatures and corrosive elements.
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High-Quality API 5CT C90 Casing pipes Wholesale
Outer diameter
4 1/2″, 5″, 5 1/2″, 6 5/8″, 7″, 7 5/8″, 9 5/8″, 10 3/4″, 13 3/8″, 16″, 18 5/8″, 20″, 30″
Wall thickness
5.21 – 16.13 mm -
China High-Quality Coating Pipe
Specifications of oil well casing
Dimension range(OD inch): 4 1/2”—30”
Dimension range(OD mm): 114.3—762
Standard: API SPEC 5CT , ISO11960, GOST
Length: R1, R2, R3
Main Steel Grade: H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
Type of Casing: Plain, BTC, STC, LTC, Other Premium Thread.
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Drill Pipe For Chinese Factories
Drill pipe, is hollow steel, thin-walled, steel or aluminium alloy piping that is used on drilling rigs. It is hollow to allow drilling fluid to be pumped down the hole through the bit and back up the annulus. It comes in a variety of sizes, strengths, and wall thicknesses, but is typically 27 to 32 feet in length . Longer lengths, up to 45 feet, exist
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Sucker Rod For Chinese Factories
Steel sucker rod is important equipment for oil field.sucker rod is produced based on C, D, K grade according to API Spec 11B，which is also our leading products.
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Oil Well Casing Tube Manufacturer
Specifications of oil well casing
Dimension range(OD inch)：4 1/2”—30”
Dimension range(OD mm)：114.3—762
Standard: API SPEC 5CT , ISO11960, GOST
Length: R1, R2, R3
Main Steel Grade: H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
Type of Casing：Plain, BTC, STC, LTC, Other Premium Thread.
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High-Quality Casing Pipes Wholesale
Specifications of oil well casing
Dimension range(OD inch)：4 1/2”—30”
Dimension range(OD mm)：114.3—762
Standard: API SPEC 5CT , ISO11960, GOST
Length: R1, R2, R3
Main Steel Grade: H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
Type of Casing：Plain, BTC, STC, LTC, Other Premium Thread.
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High-Quality API 5CT P110 Casing tubes
Outer diameter
4 1/2″, 5″, 5 1/2″, 6 5/8″, 7″, 7 5/8″, 9 5/8″, 10 3/4″, 13 3/8″, 16″, 18 5/8″, 20″, 30″
Wall thickness
5.21 – 16.13 mm -
API 5CT OCTG tubing Manufacturer
API 5CT OCTG tubing is the conduit used to transport crude oil or natural gas from the producing formations to the field surface facilities for processing after drilling is completed. During the extraction process, the OCTG tubing must withstand the pressure and it must be adequately strong to resist loads and deformations associated with production and workovers. In addition, tubing generally is sized to satisfy the expected rates of production of oil and gas. That is because if tubing is too large, we will have an economic impact beyond the cost of tubing oil and gas itself, however, if API tubing is too small, it will restrict the production of oil or gas, and if things continue this way it will impact subsequent economic performance of the well. Generally, tubing is manufactured in the same way as casing, except an additional process known as “upsetting” which is applied to thicken the pipes.
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API 5CT N80 Casing tubes
Outer diameter
4 1/2″, 5″, 5 1/2″, 6 5/8″, 7″, 7 5/8″, 9 5/8″, 10 3/4″, 13 3/8″, 16″, 18 5/8″, 20″, 30″
Wall thickness
5.21 – 16.13 mm -
High-Quality API 5CT L80 Casing tubes
Outer diameter
4 1/2″, 5″, 5 1/2″, 6 5/8″, 7″, 7 5/8″, 9 5/8″, 10 3/4″, 13 3/8″, 16″, 18 5/8″, 20″, 30″
Wall thickness
5.21 – 16.13 mm -
API 5CT K55 Casing pipes Manufacturer
API 5CT K55 Casing Tubing serves to transport both crude oil and natural gas from oil and gas layer to the surface pipeline after drilling is completed. It is able to bear the pressure produced by the exploitation process. After the outer surface is coated with a protective layer, the tubing is marked in accordance with the API 5CT standard and strapped with metal belt.
K55 oil casing use:
For oil well drilling, it is mainly used to support the shaft wall during drilling and after completion to ensure the normal operation of the drilling process and the whole well after completion.