Mandrel Casing Hangers

Mandrel Casing Hangers

This article describes the mandrel casing hanger make-up and running proedures.

Mandrel Casing Hanger Make-up

The “total” hanger will consist of:

  • bottom pupjoint
  • MCH (Mandrel Casing Hanger)
  • top pupjoint.

The bottom pupjoint has to be made-up on the MCH by the bucking machine to the optimum torque.

The top pupjoint should be made up to half the optimum make-up torque to enable to back out the pupjoint easily.

The 5ft top pupjoint is only installed as . . .

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