Wells – Submerged well – With safety or emergency shutoff
Reexamination Certificate
2005-09-20
2010-12-14
Beach, Thomas A (Department: 3671)
Wells
Submerged well
With safety or emergency shutoff
C166S364000, C166S361000, C166S367000, C137S068140, C137S068150
Reexamination Certificate
active
07849926
ABSTRACT:
The invention relates to a safety joint (10; 100; 200) for a riser consisting of two telescoping parts that are arranged to break in the event of a predetermined axial tension load. The joint also comprises means (21, 41; 121, 141; 221, 241) for closing the passage in the joint in the event of fracture where the means are activated by means of the forces generated during the separation.
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Beach Thomas A
Buck Matthew R
FMC Kongsberg Subsea AS
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