18-5/8" 87.5# J55 BTC ERW Casing – R3 Range, API 5CT

ReflowX SKU: REF-8999

Product Details

Quantity

9000
Availability (Lead Time)

N/A
Product Location

United Arab Emirates
Condition

Surplus
OEM

ReflowX
Equipment code

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Short Description

Large-diameter 18-5/8 inch casing with 87.5 lb/ft weight, made from API J55 grade steel using ERW process and fitted with BTC threads. Designed for surface casing applications in oil and gas wells.

Description

18-5/8" 87.5# J55 BTC ERW Casing – R3 Range, API 5CT

The 18-5/8" 87.5# J55 BTC ERW Casing is a robust and economical surface casing solution widely used in oil and gas drilling operations. Manufactured according to API 5CT standards, the casing is constructed from J55-grade steel, offering reliable mechanical performance for shallow to intermediate depths where moderate collapse resistance and tensile strength are required.

Produced by Electric Resistance Welding (ERW), this casing provides a cost-effective alternative to seamless pipe while maintaining consistent wall thickness and strength. The standard BTC (Buttress Thread and Coupling) connection allows for quick makeup and compatibility with standard downhole equipment.

The R3 range (typically 40.0–42.0 ft) offers extended length for efficient rig handling and reduced connection points. This casing size is typically used for surface casing strings in large-diameter wellbores, conductor casing, or shallow offshore applications.

Specifications:

– Outer Diameter: 18-5/8" (473.1 mm)
– Weight: 87.5 lb/ft (130.2 kg/m)
– Grade: API 5CT J55
– Connection Type: BTC (Buttress Thread & Coupling)
– Pipe Type: ERW (Electric Resistance Welded)
– Range: R3 (Length: ~40.0–42.0 ft / 12.19–12.80 m)
– Material Type: Carbon Steel
– End Finish: Threaded and Coupled
– Tensile Strength: ≥75,000 psi (517 MPa)
– Yield Strength: 55,000 psi (379 MPa) min
– Collapse Pressure: As per API J55 performance
– Coupling OD: Matches or slightly exceeds casing OD
– Thread Sealability: Standard buttress thread seal
– Manufacturing Standard: API 5CT
– Applications: Surface casing, conductor casing, shallow onshore/offshore wells

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