Oil & gas well construction
API 5CT Casing & Tubing
Seamless casing and tubing for oil and gas wells, manufactured to API 5CT. Threaded and coupled or premium connections available, fully pressure tested and certified.
Standards
- API 5CT
- GB/T 19830
- ISO 11960
Steel Grades
J55K55N80 QL80P110
Size Range
Casing OD 114.3 – 339.7 mm · Tubing OD 26.7 – 114.3 mm
Features
- Available in seamless and hot-rolled
- BTC / LTC / STC and premium connections
- High collapse and burst resistance
- Full-length hydrostatic testing
- Sour-service grades available
Applications
- Oil and gas wells
- Geothermal wells
- Water injection wells
- Mining and construction wells
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