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ReflowX SKU: REF-9220
The 7" Seamless Casing is a widely used oilfield tubular designed for intermediate and production casing applications in both onshore and offshore wells. Available in various API 5CT grades such as J55, K55, N80, L80, T95, and P110, this casing size provides flexibility for a broad range of well designs, including HPHT and sour service environments.
Seamless manufacturing ensures high structural integrity, uniform mechanical properties, and improved resistance to collapse and internal pressure. The casing is typically supplied with BTC (Buttress Thread), STC (Short Thread), LTC (Long Thread), or premium gas-tight threaded connections depending on well conditions.
This size supports a wide range of well types—from vertical producers to directional or horizontal completions—and is commonly deployed in both intermediate strings and production liners.
– Outside Diameter: 7" (177.8 mm)
– Weight Range: 23.0 to 35.0 lb/ft (34.2 to 52.1 kg/m)
– Grades Available: J55, K55, N80, L80, C95, T95, P110
– Pipe Type: Seamless
– End Connections: BTC, LTC, STC, or Premium (e.g., VAM TOP, TSH BLUE)
– Length Range: R2 (28–32 ft) or R3 (40–42 ft)
– Yield Strength:
• J55/K55: 55,000 psi (379 MPa)
• N80: 80,000 psi (552 MPa)
• L80: 95,000 psi (655 MPa)
• P110: 110,000 psi (758 MPa)
– Tensile Strength: As per API 5CT grade
– Burst & Collapse Pressure: Based on grade & wall thickness
– Coupling OD: As per API 5CT
– Manufacturing Standard: API 5CT
– Applications: Intermediate casing, production casing, shale gas wells, HPHT environments, sour gas completions
For further specifications or to inquire about this equipment and ReflowX's logistics services, Please contact ReflowX at info@reflowx.com
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