Stuffing Box

Definition

Also known as: Stuffing Box

A wellhead sealing assembly around a moving polish rod. It contains packing that controls produced-fluid leakage while allowing the rod to reciprocate or rotate, and it is commonly isolated before maintenance.

Related Product

Rod-Grip BOP™

View Rod-Grip BOP™

Frequently Asked Questions

What is the purpose of a stuffing box?

To seal around the moving polish rod while allowing pumping motion.

Why does a stuffing box require maintenance?

Packing wears over time and may need adjustment or replacement to control leakage.

How is it serviced safely?

The polish rod and tubing pressure must be controlled and isolated using the approved well-control procedure.

What can cause premature packing wear?

Misalignment, rod-surface damage, excessive friction, contamination, or incorrect adjustment.

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