OCTG — Casing, Tubing & Couplings
API 5CT certified. J55 through P110 grades. Manufactured for onshore and offshore drilling.
Request a QuoteTechnical Specifications
| Standard | Grade | Size | Rating | Application |
|---|---|---|---|---|
| API 5CT | J55 / K55 / N80 / L80 / P110 | 2 3/8″ – 20″ OD | Sour-service (NACE) options | Drilling & completion |
Overview
CNPS manufactures a complete range of API 5CT casing, tubing and couplings for drilling, completion and production operations. Our OCTG products are available in grades J55 through P110, including sour-service (NACE) options, with OD ranging from 2-3/8″ to 20″.
Key Features
- API 5CT certified — full traceability per heat/lot
- Grades: J55, K55, N80, L80, P110
- Sour-service (NACE MR0175) compliant options
- Premium connections available (VAM, JFE, TenarisHydril compatible)
- Third-party witnessed inspection on every batch
Applications
Onshore & offshore drillingWell completion and productionDeep well casing (up to 12,000m proven)Sour gas & H₂S environmentsGeothermal wells
Ready to discuss your requirements?
Send your spec, drawing or tender. A CNPS account engineer responds within 24 hours.
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