Annular Preventer
AssemblyDoughnut-shaped elastomer packer that squeezes closed around any pipe size or the open hole when its piston is driven up. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Annular Preventer
3 top-level lines as of r50339| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Annular Packing Element | drillship-annular-packer | 1× | 1 | · | part |
| 2 | Annular Piston | drillship-annular-piston | 1× | 1 | · | part |
| 3 | O-Ring Set | oring-set | 6× | 6 | · | part |