Wellhead System Bop Spool Double Studded API 6A Casing Head Spool

Product Overview

The Wellhead System BOP Spool Double Studded Casing Head Spool is engineered for high-pressure oilfield operations, offering reliable integration within Blowout Preventer (BOP) systems. Manufactured to API 6A standards from high-strength forged steel, it provides exceptional durability, corrosion resistance, and mechanical stability. This spool ensures secure connections and precise alignment within wellhead assemblies, supporting safe fluid control, efficient drilling operations, and long-term performance in both onshore and offshore environments.

Technical Features

1. Pressure Rating: 2,000 – 20,000 PSI
2. Size Range: 2" to 4" (custom sizes available)
3. Material Class: AA – HH, forged high-strength alloy steel
4. Temperature Rating: –46°C to +121°C
5. Connection Type: Hammer union / flange / threaded / welded ends
6. Sealing Type: NBR, HNBR, or FKM seals for H₂S & CO₂ environments
7. Rotation Capability: Full 360° rotation, minimizing mechanical stress
8. Surface Treatment: Anti-corrosion coating for extended service life

Advantages

Allows smooth rotation to prevent pipeline twisting

High sealing reliability under fluctuating pressure

Compatible with standard API hammer unions and adapters

Compact, durable design suitable for onshore and offshore use

Easy assembly, inspection, and maintenance

Applications

1. Oilfield drilling and workover operations
2. Wellhead and choke manifold flowline systems
3. Fracturing, cementing, and acidizing units
4. High-pressure transfer lines for mud, gas, or cement
5. Testing and production facilities requiring flexible pipeline connections