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Product generic:
Tubing Pipe, Oil Tubing, API Tubing Well Tubing, Tubing
Application:
Used for extracing Oil or Gas from Wells
Specification:
OD:1.9”~4 1/2″( 48.26mm~114.3mm);
WT: 3.18~16mm
LENGTH: R1(6.10~7.32m);R2(8.53~9.75m);R3(11.58~12.80m)
Standard & Grade:
API 5CT PSL1/PSL2 J55,K55,N80-1,N80-Q,L80-1, L80-9Cr,L80-13Cr,C90, C95, P110, Q125
Thread:
NUE, EUE, STC, LTC, BTC,Hydrill CS/Tenaris XC/VAM
Surface:
Anti-corrosion&water Based Paint
Tubing is a relatively small-diameter pipe that is run into a well to serve as a conduit for the passage of oil and gas to the field surface facilities for processing. Tubing must be adequately strong to resist loads and deformations associated with production and work overs. Further, tubing must be sized to support the expected rates of production of oil and gas.
Fluid Conduit : The tubing serves as the primary flow path to transport reservoir fluids (oil, gas, or water) from the bottomhole to surface production facilities. Pressure Containment : It must withstand internal pressure from produced fluids and external annular pressure to maintain well integrity and prevent blowouts/leaks. Production Optimization : Tubing size/material selection (e.g., small-diameter tubing for gas well deliquification) enhances flow efficiency, reduces erosion, and extends well life. Corrosion Resistance : For corrosive environments (H₂S, CO₂, or high salinity), tubing requires special materials (e.g., L80-13Cr) and anti-corrosion treatments to prevent wall degradation.
API 5CT (American Petroleum Institute) ISO 11960 (International Organization for Standardization) GB/T 19830 (Chinese National Standard)
H40, J55, K55 : Standard wells (low corrosion) N80, L80, C90 : Medium-depth wells (moderate corrosion) P110, Q125 : Deep/ultra-deep wells (high collapse resistance) L80-13Cr : High CO₂/H₂S corrosive environments
Hot Rolling Cold Rolling Threading: API standard (NUE, EUE, STC, LTC, BTC) or premium connections (Hydril CS，Tenaris XC)
| Common standards for seamless carbon steel pipes | Common Grades | Application |
| ASTM A53 | Gr.A, Gr.B | Black and hot-dipped zinc-coated steel pipes welded and seamless |
| ASTM A106 | Gr.A, Gr.B, Gr.C | Seamless carbon steel for high temperature service |
| ASTM SA179 | SA179 | Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes |
| ASTM SA192 | SA192 | Seamless carbon steel boiler tubes for high pressure |
| ASTM SA210 | Gr.A1 | Seamless Medium-carbon boiler and superheater tubes |
| ASTM A333 | Gr.1(-50℃), Gr.6(-45℃，C-Mn) | seamless and welded carbon and alloy steel pipe intended for use at low temperatures. |
| ASTM SA519 | 1020 | Seamless carbon for mechanical tubing |
| API Spec 5CT | H40, J55, K55, L80, N80-1, C95, P110, Q125 | Seamless steel pipe for casing |
| API Spec 5L | PSL1/PSL2 Gr.a,Gr.b, X42/52/60/65/70/80 | Seamless steel pipe for line pipe |
| DIN 17175 | St35.8 | Seamless steel tube for elevated temperture |
| DIN 2391 | St35, St52 | Cold drawn seamless prevision pipe |
| DIN 1629 | St37.0, St44.0, St52.0 | Seamless circular unalloyed steel tubes subject to special requirements |
| GB/T 8162-2018 | 10, 20, 35, 45 | Structural Seamless Steel Pipes |
| GB/T 8163-2018 | 10, 20 | Fluid Transportation Seamless Steel Pipes |
| GB 3087-2008 | 10, 20, 20G | Medium & Low-Pressure Boiler Pipes |
| GB 5310-2017 | 20MnG, 25MnG | High-Pressure Boiler Pipes |
| GB 6479-2013 | 10, 20, 20G | High-Pressure Fertilizer Equipment Seamless Pipes |
| GB 9948-2013 | 10, 20 | Petroleum Cracking Seamless Pipes |
| GB/T 9711-2017 | L245 (Gr.b), L290 (X42), L360 (X52), L415 (X60), L450 (X65), L485 (X70), L555 (X80) | Oil & Gas Pipeline Pipes |
| GB/T 19830-2017 | H40, J55, K55, L80, N80, C95, P110, Q125 | Oil Casing & Tubing |
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