Subsea tubing hanger with multiple vertical bores and concentric seals
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United States of America Patent
Stats
-
Mar 24, 1987
Grant Date -
N/A
app pub date -
Jun 7, 1985
filing date -
Jun 7, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tubing hanger for landing is a subsea wellhead system below a multiple bore valve package in a preferred but not essential orientation with a first concentric and a second eccentric bore both suitable for vertical access for passage of tools and the such like when in the preferred orientation, the first bore being contained within a first concentric seal and the second bore being contained within an annular area outside the first concentric seal and within a second larger concentric seal such than when the tubing hanger is not landed in the preferred orientation vertical access is not provided but the valve package can be landed and hydraulic communication will be provided through both bores.
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