发明名称 |
Blowout Preventer Assembly |
摘要 |
A blowout preventer assembly comprising an annular blowout preventer having an annular packing unit and an actuator operable to reduce the internal diameter of the annular packing unit, wherein the assembly further comprises a stripping sleeve having a tubular elastomeric sleeve which in use is positioned generally centrally of the packing unit so that the packing unit surrounds at least a portion of the elastomeric sleeve. |
申请公布号 |
SG10201502905Y(A) |
申请公布日期 |
2015.05.28 |
申请号 |
SG10201502905Y |
申请日期 |
2011.04.13 |
申请人 |
MANAGED PRESSURE OPERATIONS PTE. LIMITED |
发明人 |
LEUCHTENBERG, CHRISTIAN;MACGREGOR, ALEXANDER JOHN |
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