Patent ID: 8820410

Claim:
A subsea blowout preventer assembly, said assembly including a lower marine riser package (LMRP) and a blowout preventer stack (BPS), wherein said LMRP comprises a first junction plate and said BPS comprises a second junction plate, and junction plates coupled with each other and connecting at least one of the hydraulic, electrical or communications signals from the surface to said assembly, said assembly comprising: a plurality of LMRP module baseplates positioned on said LMRP; a plurality of LMRP modules configured to control electrical or hydraulic functionality associated with said LMRP, each of said LMRP modules being releasably connected to a separate one of the plurality of LMRP module baseplates; wherein at least one of said LMRP module baseplates further carries a plurality of separately positioned auxiliary LMRP modules selected from the group consisting of a subsea regulator module, subsea valve module, subsea filter modules, subsea accessory module, chemical injection module, subsea shuttle valve module, subsea acoustic system module, subsea pressure transducer module and subsea temperature transducer module; at least one BPS module baseplate positioned on said BPS; and at least one BPS control module configured to control electrical or hydraulic functionality associated with said BPS, said BPS module being releasably connected to the BPS module baseplate; wherein said LMRP and BPS modules are configured to be installed and retrieved by a remotely operated vehicle.