Riser Joint
AssemblyOne 75 ft (22.9 m) riser joint: a 21 in main tube with bolted flange couplings, external choke, kill, booster and hydraulic lines, and syntactic-foam buoyancy. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Riser Joint
5 top-level lines as of r50321| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Riser Main Tube | drillship-riser-tube | 1× | 1 | · | part |
| 2 | Riser Auxiliary Line | drillship-riser-aux-line | 5× | 5 | · | part |
| 3 | Riser Buoyancy Module | drillship-riser-buoyancy | 8× | 8 | · | part |
| 4 | Fastener Set | fastener-set | 6× | 6 | · | part |
| 5 | O-Ring Set | oring-set | 2× | 2 | · | part |