Tubing hanger for temperature variations and extremes

Details Tubing hanger for temperature variations and extremes Tubing hanger for temperature variations and extremes

E - Fixed Constructions

21

B

166/49

E21B 17/00 (2006.01) E21B 33/04 (2006.01)

Patent

CA 1092509

TUBING HANGER FOR TEMPERATURE VARIATIONS AND EXTREMES Abstract of the Disclosure A hanger for supporting tubing in a well head including a tubular body adapted for connection to a casing head, and having a tapered and upwardly facing seat, a tubular hanger positioned within said body and supported on said seat, a downwardly converging annular space between facing portions on the exterior of said hanger and on the interior of said body, a metal seat ring positioned within said converging space, a seal actuator sleeve positioned between said hanger and said seat body and being movable axially to engage said seal ring, and a wedging screw extending through said body and engaging said seal actuator sleeve to wedge said seal actuator sleeve onto said seal whereby said seal is forced into sealing engagement in said converging space between said hanger and said body.

313536

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