Casing and tubing hanger system

Wells – Above ground apparatus – Inner member anchor or seal with lateral port

Patent

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Details

166 882, 166 883, E21B 3304

Patent

active

060150092

ABSTRACT:
A hanger system for supporting production casing and coiled tubing in a surface pipe has a casing head supported on the surface pipe and has a vertical opening therethrough with an internal circumferential load shoulder. A casing hanger is supported within the casing head vertical opening on the load shoulder, and has a vertical casing opening, the upper portion of which has a conically shaped surface, and exteriorly of the casing opening, a tubing opening. A tubing support plate is received in the casing head vertical opening and has a vertical casing opening dimensioned to receive casing therethrough and, exteriorly of the casing opening, a vertical tubing opening dimensioned to receive tubing therethrough, the upper portion of the tubing opening having a conically shaped surface. Segmented casing slips are positioned in the casing hanger conically shaped surface are configured to engage and support casing. Segmented tubing slips are positioned in the tubing support plate tubing opening conically shaped surface to engage and support tubing. A packoff flange has a vertical casing opening dimensioned to receive casing therethrough and has a recess to receive the upper end of the tubing and a passageway that provides communication between the exterior of the hanger system and the upper end of tubing supported by the tubing support plate.

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