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The Casing Head is a vital pressure-containing component installed at the top of the surface casing string during oil and gas drilling operations. It provides the foundation for subsequent wellhead equipment, offering a secure interface for casing hangers, tubing hangers, blowout preventers (BOPs), and other pressure control devices.
Constructed from high-strength, low-alloy carbon steel or corrosion-resistant alloys, the casing head is built to withstand high axial loads and internal pressures, ensuring long-term structural integrity in both onshore and offshore environments. Its precision-machined bowl and seal areas facilitate efficient installation and reliable sealing of casing strings, while the bottom connection can be threaded or welded for compatibility with surface casing.
Available with multi-bowl configurations, lock screws, and secondary seal options, our casing heads are designed to meet or exceed API 6A standards for performance, safety, and dimensional compatibility.
– Product Type: Casing Head / Casing Spool
– Size Range: 7” to 20” casing OD (custom sizes available)
– Working Pressure: 2,000 psi to 20,000 psi
– Material Grades:
– AISI 4130, ASTM AISI 4140, Inconel cladding available
– NACE MR0175 compliant for sour service (H2S)
– Top Connections: Straight bore with lockdown screws, slip-type hanger support
– Bottom Connections: Welded or threaded, API-standard box/pin
– End Connections: API 6A flanged or hub-type
– Sealing System: Elastomeric seals or metal-to-metal sealing, with optional secondary seals
– Temperature Rating: –46°C to +121°C (–50°F to +250°F), per API 6A
– Standards Compliance:
– API 6A, PSL1–PSL4
– PR1 / PR2 design validation
– ISO 10423
– Accessories: Lock screws, test plugs, wear bushings, running/retrieval tools
– Coating Options: Phosphate coated, painted, or internal/external corrosion protection
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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