Conventional Wellhead Equipment
Casing Hangers
Slip-Type Casing Hangers
- Combines packoff, slip bowl and slips into a single unit
- The packoff seals the casing annulus below the slips when casing load is applied, allowing annulus packoff before removing BOP and cutting casing
- Easy to install, simple construction containing few parts, making the DO-2 economical to repair
- DO-1 and DO-3 packoffs are also available
Mandrel Casing Hangers
- Mandrel style hanger is fluted to allow cement returns
- Hanger is rated to or above the joint strength of the casing it is suspending
- Compression-type seal is energized by locking pins
- Extended Neck Interference seals, seal off in adapter, standard DWE casing spool or tubing head