Geoscience Reference
In-Depth Information
Fig. 2.8
A paravane used to control the position of the head of the receiver cable.
required locations.
Figure 2.8
shows the immense size of these devices. Towing several
closely spaced multi-kilometre-long cables requires the boat to maintain control over
their positioning at all times. Having cables cross over and wrap around each other is
an expensive and dangerous situation and is to be avoided if at all possible. To keep
control, the boat needs to be continuously moving through the water at a speed of at
least 3 knots, and normal operations are carried out at a speed of around 4 knots. It also
