Blowout preventer with rope packing seal
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United States of America Patent
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Aug 19, 2014
Grant Date -
Jun 16, 2011
app pub date -
Dec 14, 2010
filing date -
Dec 15, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A blowout preventer (BOP) is provided in which each ram includes a primary rope packing seal formed from a first length of rope packing extending horizontally across the front face, rearwardly and then either or both of upwardly and downwardly over the top and/or bottom portion of the ram. The primary rope packing seal is held in, so as to protrude radially outwardly from, a continuous first groove formed in the ram. The continuous first groove is adapted to accommodate joined abutting ends or overlapping ends of the first length of rope packing. A secondary rope packing seal and a circumferential rope packing seal may be provided on the ram.
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