Universal marine diverter converter
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United States of America Patent
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Aug 16, 2011
Grant Date -
Apr 23, 2009
app pub date -
Oct 19, 2007
filing date -
Oct 19, 2007
priority date (Note) -
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Abstract
A universal marine diverter converter (UMDC) housing is clamped or latched to a rotating control device. The UMDC housing assembled with the RCD is inserted into a marine diverter above the water surface to allow conversion between conventional open and non-pressurized mud-return system drilling, and a closed and pressurized mud-return system used in managed pressure or underbalanced drilling.
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