As a trusted partner, we supply high-performance casing and tubing products engineered for oil, gas, and geothermal well construction. Our casing pipes provide structural integrity to stabilize wellbores, while tubing ensures efficient extraction of hydrocarbons. Manufactured from premium-grade steels (API 5CT standards), our products excel in high-pressure, corrosive, and extreme-temperature environments.
|
Parameter |
Casing Range |
Tubing Range |
|
Outer Diameter (OD) |
4½" – 20" (114.3 mm – 508 mm) |
1.05" – 4½" (26.67 mm – 114 mm) |
|
Wall Thickness |
0.25" – 1.5" (6.35 mm – 38 mm) |
0.125" – 0.5" (3.18 mm – 12.7 mm) |
|
Length |
R1 (4.88–7.62m), R2 (7.62–10.36m), R3 (≥10.36m) |
6–12m (customizable) |
|
Material Grades |
API 5CT: J55, N80, P110; Non-API: 13Cr, 25Cr |
API 5CT: H40, J55, N80, C90 |
|
Thread Types |
BTC, LTC, STC; Premium (VAM, Tenaris) |
NU, EU, Integral Joint |
|
Standard |
Scope |
Key Grades |
Applications |
|
API 5CT |
Casing & tubing for oil/gas wells |
J55, N80, P110, C90 |
Wellbore stabilization, fluid extraction |
|
ISO 11960 |
International casing/tubing specifications |
L80, Q125, T95 |
Offshore, high-pressure reservoirs |
|
SY/T 6194 |
Chinese standard for casing |
37Mn5, 29CrMo44 |
Domestic onshore drilling projects |
|
Corrosion-Resistant |
Sour service (H2S environments) |
L80-13Cr, 25Cr Super Duplex |
Acidic wells, geothermal fields |
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