Product Sheet Mark IV
Subsea BOP control system.
Featuring an industry-first three-POD design, the Mark IV control pod improves operational availability of the drilling system through redundancy and improves reliability through simplified POD design.
Conventional subsea BOP control systems use a two-POD design, providing a single spare if the primary control POD becomes unavailable. The Mark IV-HA control system system’s third POD provides additional redundancy, which eliminates the need to pull the stack if one POD fails.
|PODs and functions
|| Three PODs, each with 160 functions to accommodate eight cavity stacks
|| Tungsten carbide seals on small valves
|| Automatically adjusting, pressure-compensated regulator pilot accumulators
|| 46 in × 49 in × 14.5 in
|| 23,000 lbm