The 9-5/8" J55 Casing Coupling is a high-quality pipe connector designed for oil and gas well casing applications. Manufactured in strict compliance with API 5CT specifications, this coupling ensures reliable performance in various drilling and completion operations.
Key Features:
Material: J55 carbon steel (minimum yield strength 55,000 psi/379 MPa)
Size: 244.5 mm (9-5/8") nominal outer diameter
Thread Type: API standard BTC (Buttress Thread Casing) or LTC (Long Thread Casing)
Wall Thickness Compatibility: 8.94 mm to 11.99 mm
Pressure Rating: Suitable for working pressures up to 3,000 psi (20.7 MPa)
Surface Treatment: Zinc plating or phosphate coating as standard, with optional epoxy coating
Temperature Range: -20°C to +120°C operational range
Performance Advantages:
✔ Cost-Effective Solution: Optimal balance between strength and affordability
✔ Reliable Connection: API-standard threads ensure secure joints
✔ Easy Installation: Compatible with standard casing running equipment
✔ Versatile Application: Suitable for surface and intermediate casing strings
Recommended Applications:
Shallow to medium-depth wells (up to 5,000 ft/1,500 m)
Low-pressure water injection wells
Stable geological formations
Non-sour service environments (H₂S content <50 ppm)
Quality Assurance:
100% dimensional inspection
Full traceability of material origin
API monogram marking
Optional NDT inspection available