| 摘要 |
Method and means are disclosed for axial support of a pump or compressor rotor shaft (6, 7) during start-up or shut-down of a vertical fluid displacement module (1) for subsea operation comprising a motor (2) and a pump or compressor (3), comprising the step of momentarily supplying lubrication fluid for hydrostatic operation of hydrodynamic thrust bearing(s) (11) from a topside or land-based fluid supply via flow control means (36, 38) arranged in conjunction with a subsea pressure control unit (19) configured for controlling the supply and discharge of barrier and lubrication fluids to/from said module (1). |
