the flexible lines 12 may be unlocked using the quick disconnect 14 including disconnects for kill and choke lines in some embodiments next there may be an attempt to release the emergency disconnect 28 for the mux cables finally the device 20 which may be considered a lower marine riser package lmrp may be removed as shown in fig2 the overlying offshore platform picks up the capping device 30 that may be contained within an onboard backup conventional lower marine riser package or lmrp connected to a redundant mux cable then the capping device is run onto the drill pipe stub 24 and locked on to the open flowing top using a remote operated vehicle or acoustic techniques as shown in fig3 in some embodiments finally the rig may move away from the wellhead 10 for the safety of workers thereafter the onboard lmrp may be used to drill a relief well in one embodiment a new drilling operation may be conducted through the capping device thus in some embodiments it is possible to disconnect the riser above the blow out preventer while this may result in the free flow of petroleum products it may preserve life and reduce injuries to workers on the platform by using independently operated actuators it is possible to remove the device 20 even when other protection systems have failed this removal may be done using remotely operated vehicles separate cables an acoustic system or charged nitrogen bottles to activate a relief connection references throughout this specification to u201c one embodiment u201d or u201c an embodiment u201d mean that a particular feature structure or characteristic described.