BOP Stack
AssemblyStacked 18-3/4 in ram and annular preventers rated to 15,000 psi, controlled through two redundant multiplexed pods, that close in the well if it kicks. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for BOP Stack
8 top-level lines as of r50335| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Ram Preventer 4 parts | drillship-ram-preventer | 4× | 4 | 0 | assembly |
| 2 | Annular Preventer 3 parts | drillship-annular-preventer | 2× | 2 | 0 | assembly |
| 3 | BOP Control Pod 5 parts | drillship-control-pod | 2× | 2 | 0 | assembly |
| 4 | Wellhead Connector | drillship-wellhead-connector | 1× | 1 | · | part |
| 5 | Subsea Accumulator Bottle | drillship-bop-accumulator-bottle | 48× | 48 | · | part |
| 6 | Bonnet Bolt Set | drillship-bonnet-bolt | 240× | 240 | · | part |
| 7 | Shuttle Valve | drillship-shuttle-valve | 60× | 60 | · | part |
| 8 | O-Ring Set | oring-set | 120× | 120 | · | part |