Mobile seismic system for marine surveys and monitoring on the shelf and in transition zones.
The system based on 4C Ocean Bottom Nodes which are controlled by the system’s lab containers.
Designed for offshore seismic exploration and regional studies.
Ocean Bottom Nodes
Operation in any orientation at the seabed
Autonomous operation during 50 days
Connection of external hydroacoustic modem, for positioning and data transfer
Advanced self-diagnostic system
Battery recharging time is 20 hours
Dimensions 400 x 260 x 125 (145) mm
Weight in air 20 kg
Orthogonal oriented Geophones: BH-20MT OMNI / GS-ONE OMNI
24 bit, delta-sigma with sample interval 0.25, 0.5, 1, 2, 4 ms
0, 6, 12, 18, 24, 30, 36 dB
Max input signal
Equivalent input noise (2ms, 0dB)
0.87 mV (rms)
< -100 dB
New OCXO tuning system
tweaks 3x faster
Charging batteries of the Ocean Bottom Nodes
Controlling the Ocean Bottom Nodes
Downloading recorded data from the Ocean Bottom Nodes
Up to 288 Ocean Bottom Nodes
Can be powered by different supply source (220V, 380V, 440V)
CORAL System Features
Can be operated onshore
or at depth up to 1000 meters
is 20 hours max.
from -10° to +50° C
Marine Technical Center Limited Liability Company
Dvinskaja st., 14A, space 1-n, office 70,
St. Petersburg, Russia, 198035