Safety installation for a submerged drilling well-head
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United States of America Patent
Stats
-
Nov 19, 1985
Grant Date -
N/A
app pub date -
Jan 19, 1984
filing date -
Jan 26, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety installation for a well-head located on the sea bottom comprises an emergency unit mounted on the well-head below the well shut-off units and including a complete-closure shut-off device controlled by sound transmission and by an intervention liquid supplied to a lateral inflow, a re-entry structure provided with an inflow funnel and placed on the sea bottom in the region of the well-head but spaced therefrom, and a flexible pipe connecting the lateral inflow of the emergency unit to the re-entry structure for intervention liquid and being wound on a drum on the re-entry structure.
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Cited Art Landscape
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