DONGYING DAYANG PETROLEUM EQUIPMENT CO.,LTD [China]

Specialized large-diameter pipe lowered into an open hole and cemented in place. Casing conform to latest version of API Specification 5CT, API Specification 5B and other related standards.
Casings are available in standard API configurations with all sizes from 5" to 133/8" in grade H40, J55, N80, L80, C90, P11O and Q125
Technical Performance
1. - High thread bonding strength with good anti-thread gluing ability.
2. - The steel yield strength is bigger than API standard.
3. - Big OD size, high steel grade with full size available.