Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate
2011-01-04
2011-01-04
Beach, Thomas A (Department: 3671)
Wells
Submerged well
Connection or disconnection of submerged members remotely...
C166S382000, C166S085300, C166S082100, C166S086100, C166S196000, C277S322000, C277S323000, C277S334000, C285S123120
Reexamination Certificate
active
07861789
ABSTRACT:
A method of completing a well having a casing hanger set in a subsea wellhead housing includes attaching a running tool to a tubular bridging hanger. A metal-to-metal inner seal is attached to a lower exterior portion of the bridging hanger and a metal-to-metal outer seal is located on an upper exterior portion of the bridging hanger. The assembly is lowered into the well and the lower exterior portion of the bridging hanger is inserted into the casing hanger. The inner seal is wedged between the casing hanger and the bridging hanger in response to weight of the running string. The running tool is actuated to set the outer seal between the upper exterior portion of the bridging hanger and the wellhead housing. Then, a tubing hanger is landed and sealed in the interior of the bridging hanger.
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Beach Thomas A
Bracewell & Giuliani
Vetco Gray Inc.
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