Patent ID: 7487836

Claim:
A subsea well intervention system, said system permitting dynamic disconnection from subsea well intervention equipment without removing any of said subsea well intervention equipment, said system comprising: (a) a blowout preventer module operatively connected to a subsea tree; (b) a lubricator assembly including a first portion of a disconnect assembly, said lubricator assembly functionally attached to said blowout preventer module, said lubricator assembly being functionally effective to provide access to the interior of said blowout preventer and said subsea tree by well intervention equipment; (c) an umbilical module including a second portion of a disconnect assembly that is positioned for subsea connection by a remotely operated vehicle, said umbilical module being functionally connected to a control mechanism, and said umbilical module including one or more release systems for disconnecting at least said blowout preventer module from the remaining components of said well intervention system; and (d) a hydraulic coupling actuator that operatively connects the first portion of a disconnect assembly with the second portion of the disconnect assembly.