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ReflowX SKU: REF-2463
The 18-5/8" 87.5# K55 TPQR Seamless Casing (R3) is a high-strength, large-diameter casing pipe designed for structural and zonal isolation in oil and gas wells. Constructed from API 5CT K55 steel, it offers reliable performance for standard pressure and depth applications, with moderate tensile strength and good weldability.
Fitted with the TPQR premium thread connection, this casing ensures a positive pressure seal, improved torque resistance, and robust make-up integrity. The seamless construction offers superior axial and radial strength, making it well-suited for surface casing, shallow intermediate sections, and conductor casing in both land and offshore wells.
The Range 3 (R3) pipe length (typically 40–42 feet) provides operational efficiency by reducing the number of joints per string and minimizing connection time.
– Outside Diameter: 18-5/8" (473.1 mm)
– Weight: 87.5 lb/ft (130.18 kg/m)
– Steel Grade: K55 (API 5CT)
– Connection Type: TPQR Premium Thread
– Length Range: R3 (Approx. 40–42 ft / 12–13 m)
– Pipe Type: Seamless
– Standard: API 5CT
– Condition: New / Surplus (as specified)
– Certification: Mill Test Certificate & Thread Inspection Report available
Performance Notes:
– TPQR connection provides leak-resistant threading suitable for pressure-sensitive applications
– K55 grade is widely used in shallow to intermediate casing strings
– Seamless pipe ensures consistent mechanical properties and wall thickness
– R3 length reduces operational downtime and improves well integrity
Applications:
– Surface casing in land and offshore wells
– Intermediate casing in standard pressure zones
– Structural and conductor casing
– Oil & gas wells with mild sour service (if H₂S is minimal)
Availability:
Available for immediate inquiry. Contact us for pricing, quantity, delivery point, and access to full documentation including API 5CT compliance certificates.
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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