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公开(公告)号:EP3981946A1
公开(公告)日:2022-04-13
申请号:EP21153524.0
申请日:2021-01-26
IPC分类号: E21B33/038
摘要: A coupling system, comprising: a lower marine riser package (12) configured with a connector (10B); a blowout preventer (14) configured with a connector (10A); explosively frangible fasteners comprising explosively frangible nuts (10C) disposed to couple the lower marine riser package connector (10B) to the blowout preventer connector (10A), wherein the explosively frangible nuts are sealed off from the external environment; each explosively frangible nut having at least one explosive charge (34) disposed thereon; and at least one explosively frangible nut configured for electronic triggering to set off the at least one explosive charge disposed on the nut.