9-5/8" J55 Casing Coupling

The 9-5/8" J55 Casing Coupling is a standardized pipe connector designed for oil and gas well casing applications. Manufactured in compliance with API 5CT specifications, it provides reliable performance in shallow to medium-depth wells with non-corrosive environments.

Key Features:

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  Material Grade: J55 carbon steel (minimum yield strength 55,000 psi)

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  Size: 244.5 mm (9-5/8") outer diameter, compatible with wall thicknesses from 8.94 mm to 11.99 mm

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  Thread Type: Standard API BTC (Buttress Thread Casing) or LTC (Long Thread Casing) options available

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  Pressure Rating: Suitable for working pressures up to 3,000 psi (20.7 MPa)

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  Corrosion Protection: Basic anti-corrosion treatment (zinc plating/phosphate coating), optional epoxy coating upgrade

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  Applications: Surface casing strings, low-pressure water injection wells, and stable geological formations

Performance Advantages:

✔ Cost-Effective: J55 steel offers an optimal balance between strength and affordability for standard well conditions

✔ Easy Installation: API-standard threads ensure compatibility with most casing running equipment

✔ Reliable Sealing: Proper thread compound application ensures leak-proof connections

Recommended Usage:

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  Maximum recommended depth: 5,000 ft (1,500 m)

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  Non-sour service (H₂S content <50 ppm)

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  Ambient temperature range: -20°C to +120°C