24" x 0.75" X56 Seamless Conductor Casing – 186 lb/ft, API 5L Grade

The 24" x 0.75" X56 Seamless Conductor Casing is a high-strength structural pipe used as the first casing string in oil and gas wells, primarily to support the wellhead and prevent near-surface formation collapse. Manufactured from API 5L X56 grade carbon steel, this pipe provides excellent yield strength and toughness for conductor applications in demanding offshore and onshore drilling environments.

With a substantial wall thickness of 0.75" (19.05 mm) and a high unit weight of 186 lb/ft, this casing offers exceptional resistance to external loads, soil movement, and axial stresses encountered during pile-driving, cementing, and early-stage drilling. Seamless construction ensures uniform mechanical properties and reliability under high-impact and bending forces.

This conductor casing is commonly used in large-diameter wells requiring robust foundation support, such as offshore platforms, jack-up rigs, or deep land wells, especially where top-hole conditions are unstable.

Specifications:

– Outside Diameter: 24" (609.6 mm)
– Wall Thickness: 0.75" (19.05 mm)
– Weight: 186 lb/ft (276.9 kg/m)
– Grade: API 5L X56
– Pipe Type: Seamless
– Material Type: High-Strength Carbon Steel
– End Finish: Plain End (PE), Beveled for welding
– Yield Strength: 56,000 psi (386 MPa) min
– Tensile Strength: ≥71,000 psi (490 MPa)
– Length Range: Custom (Typically R1 or R3)
– Joint Type: Welded or slip-on connector (field dependent)
– Collapse Resistance: High, due to heavy wall thickness
– Manufacturing Standard: API 5L PSL1 or PSL2 (as specified)
– Applications: Offshore conductor casing, onshore deep well conductor, platform structural piling, pre-drilled well foundations

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