Casing is tubing that is set inside the drilled well to protect and support the wellstream. According to the strength of the seamless pipe itself, the casing can be divided into different steel grades, namely J55, K55, N80, L80, C90, T95, P110, Q125, etc.
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Product pictures and application
The oil casing pipe is mainly used to support the well wall during drilling and after completion to ensure the progress of the drilling process and the normal operation of the entire oil well. The oil pumping pipe is mainly used to transfer the oil and gas from the bottom of the oil well to the ground.
Casing pipe
Casing pipe 7"
Casing pipe application
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Product parameter
CASING PIPES
STANDARD: API SPEC 5CT
Outside Diameter Specified (mm/in)
Nominal Weight Threads&Coupling (Ib/ft)
Steel Grade
Wall Thickness (mm/in)
Type of Thread
Premium Threads
4-1/2”~20”
(API 5CT C.23-E.23)
Conforming to C.23 and E.23
J55, K55, L80,
N80-1, N80Q, T95, P110, Q125
Conforming to C.23 and E.23
STC, LTC, BTC
TPCQ/
VAM TOP/
VAM FJL/
New vam/
Big Omega Interchangeable
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Product advantage
1. Strength and Durability: Casing pipes are made from high-quality steel, which makes them extremely strong and durable. They can withstand high pressure and temperature conditions, making them ideal for use in harsh environments.
2. Corrosion Resistance: Casing pipes are resistant to corrosion, they are coated with anti-corrosive materials that protect them from rust and other forms of corrosion.
3. Easy to Install: Casing pipes are easy to install due to their smooth surface and uniform diameter. They can be threaded or welded together to form a continuous pipe that can be easily inserted into a well.
4. Cost-Effective: Although casing pipes are more expensive than other types of casing pipes, they are cost-effective in the long run due to their durability and resistance to corrosion. They require less maintenance and replacement, which saves money in the long run.
5. High Performance: Casing pipes have a high performance due to their strength, durability, and resistance to corrosion. They can withstand high pressure and temperature conditions, making them ideal for use in deep wells and harsh environments.
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Production package and transportation
For the casing, we usually use bundled packaging, surface phosphating, which can provide certain anti-corrosion protection. For goods like casing, we usually use container by sea transportation.
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