| 摘要 |
An apparatus and methods for loading and unloading of sensor capsules (9) into or out of seismic node casings (5) forming part of a seismic cable (19) to be deployed or retrieved by a vessel (18), the apparatus comprises: a trolley (3) with room for at least one sensor capsule (9), the trolley (3) is moveable back and forth in a direction essentially corresponding to the longitudinal direction (24, 25) of the seismic cable (19); a support structure (12) for the trolley (3); a latching mechanism (7) for latching the trolley (3) to a node casing (5), and at least one inserting/withdrawing mechanism (8, 11) for inserting and withdrawing the sensor capsules (9) into or out of the node casing (5). |
