Riser Tensioner
AssemblyDirect-acting hydraulic tensioner holding the riser in near-constant tension as the ship heaves above it, backed by high-pressure air-over-oil accumulators. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Riser Tensioner
5 top-level lines as of r50325| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Hydraulic Cylinder 4 parts | drillship-hydraulic-cylinder | 1× | 1 | 0 | assembly |
| 2 | Hydraulic Accumulator 3 parts | drillship-accumulator | 4× | 4 | 0 | assembly |
| 3 | Hydraulic Control Valve 4 parts | drillship-hydraulic-valve | 2× | 2 | 0 | assembly |
| 4 | Tensioner Sheave & Wireline | drillship-sheave-wireline | 2× | 2 | · | part |
| 5 | Pressure Sensor | pressure-sensor | 2× | 2 | · | part |