Blowout preventer assembly
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United States of America Patent
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-
Apr 14, 2015
Grant Date -
Sep 12, 2013
app pub date -
Apr 10, 2012
filing date -
Mar 12, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blowout preventer assembly comprising a blowout preventer and control apparatus, the blowout preventer comprising a housing a sealing element and a fluid pressure operated actuator mounted in the housing, the actuator 18 dividing the interior of the housing into two chambers, namely an open chamber and a close chamber, substantially preventing flow of fluid between the two chambers, and being movable, by means of the supply of pressurized fluid to the close chamber, to urge the sealing element into sealing engagement with a drill pipe extending through the blow out preventer, the control apparatus including a close line which extends from the exterior of the housing to the close chamber, and a source of pressurized fluid which is connected to the close line, wherein the source of pressurized fluid is located adjacent to the housing.
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