Casing Head Spool

Description

The casing head spool has a top bowl to accommodate the casing hanger. The spool also has a bottom bowl with a pack off seal and is provided with a plastic packing injection port with bleeder outlet and a test port. The top and bottom connection can be either flanged or hub connection.

Standard outlets are LINE PIPE threads or API studded connection with optional VR threads. Tie down screws can be furnished on request.

Functions

• Provides a load shoulder in the top bowl to support a casing
• Provides a controlled bore in the top bowl for the casing hanger
• Provides a seal in the bottom bowl to pack off the previous casing string and isolate flange or clamp hub seals and casing hanger seals from internal casing pressure.
• Provides side outlets for annular
• Provides a port for pressure-testing casing seals and flange
• Provides for supporting and testing BOPs while
• Provides retention for bowl protector while