Casing Hanger

Description: Casing hangers are the most important elements in your wellhead and are typically the primary driver in your wellhead selection.

Slip-type casing hangers provide a method to transfer the weight or tension load of a casing string to a casing head or spool. Slip-type hangers are available in automatic-sealing and non-automatic-sealing varieties. Automatic hangers have seals which are energized by casing weight, while non-automatic hangers have seals which require means other than casing weight to be energized. Non-automatic hangers are typically used when insufficient casing load is available or when cementing back to the surface.

Critical criteria to select the appropriate casing hanger are:

• Automatic or manual sealing
• The load capacity
• Functions
• Provides for easy wraparound or split installation at any location on the casing
• Provides for suspension of the casing load from a casing head or
• Provides a means to center the casing string in the head or
• Provides an annular