A cleaning apparatus 10 for removing foreign matter from a marine seismic cable (1, fig 1) as it is moved along the cable (1, fig 1) comprises a means 12, 13 for slidably attaching the apparatus to the cable (1, fig 1), a sensor 15, 16 for determining the presence of obstructions, and means 14 for steering the apparatus 10, whereby the apparatus 10 may be detached from the cable 1 when an obstruction (3, fig 1) is encountered, be steered past the obstruction (3, fig 1), and be re attached to the cable 1. There is also disclosed a method of removing foreign matter from a marine seismic cable 1.
Cleaning apparatus for elongate member
2015-06-24
Patent
Elektronische Ressource
Englisch