Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate
2005-08-31
2008-09-02
Tsay, Frank (Department: 3676)
Wells
Above ground apparatus
With means facilitating connecting or disconnecting...
C166S341000, C166S382000
Reexamination Certificate
active
07419001
ABSTRACT:
A tubing hanger suspension assembly for an oil and gas well completion system and a method of installing same. The tubing hanger suspension assembly includes a tubing hanger housing which is positioned in the wellhead housing. The tubing hanger assembly includes a sealing and lockdown mechanism capable of providing sealing and load support of the production tubing in the production casing string. A stab sub assembly connected to the upper end of the tubing hanger suspension assembly and lower end of the Christmas tree assembly provides downhole hydraulic and electric functionality and annulus access to the production tubing.
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European Search Report of related application No. 05257653.5, Aug. 2006, 7 pages.
Andrews & Kurth LLP
Azura Energy Systems, Inc.
Rommelmann Douglas W.
Tsay Frank
LandOfFree
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