Temperature conditioned stuffing box with fluid containment

Abstract

A temperature conditioned stuffing box includes a housing having an outer surface, an inner surface defining a packing-receiving bore, a lower surface for attaching to a wellhead and an upper surface. A flow passage through the housing for passing temperature-conditioned fluid through the housing has an input and an output.

1 . A temperature conditioned stuffing box, comprising:
 a housing having an outer surface, an inner surface defining a packing-receiving bore, a lower surface for attaching to a wellhead and an upper surface; and   a flow passage through the housing for passing temperature-conditioned fluid through the housing, the flow passage having an input and an output.   
     
     
         2 . The temperature conditioned stuffing box of  claim 1 , wherein the housing has a containment chamber positioned toward the upper surface of the housing relative to the packing-receiving bore. 
     
     
         3 . The temperature conditioned stuffing box of  claim 2 , wherein the containment chamber is formed from a cavity in the upper surface, and a driver attached to the upper surface. 
     
     
         4 . The temperature conditioned stuffing box of  claim 1 , wherein the housing is a unitary piece of material, and the flow passage is formed from a series of connected machined passages.