Our group has or has acces to a suite of equipment for innovative and environmentally-friendly seismic imaging and monitoring of the subsurface.
Equipment
Vibroseis trucks
Two in-house mini-vibroseis trucks:
- UV2 from INOVA GEOPHYSICAL
- Vehicle weight: 16.5 tonnes
- Dimension: 7,9 m x 2,2 m x 3,1 m
- Hold-down weight: 8-15 tonnes
- Peak force: 115 kN
- Frequency: <1 Hz to 400 Hz
Wireless nodes
1280 in-house wireless nodes:
- WING DFU from SERCEL
- One-component MEMS accelerometer
- Bandwidth: 0-400 Hz
- Sampling rate: 4, 2, 1, 0.5 ms
- Timing: synchronous to GPS clock
- Battery autonomy: 1200 hours (50 days)
- Weight: 830 g
It is possible to lease extra sensors for e.g. 3D seismic acquisitions
Landstreamer
200 m in-house landstreamer
- SeisMove from Nordic Geophysics
- 100 DSU3 from SERCEL at 2 m interval
- Three-component MEMS accelerometers
- Bandwidth: 0-800 Hz
- Sampling rate: 4, 2, 1, 0.5, 0.25 ms
DAS interrogators
Two in-house DAS interrogators:
- ASN OptoDAS C01-S
- Maximum offset: 200 km
- Spatial resolution: down to 2 m
- Sampling frequency: 500 Hz – 100 kHz
- Signal wavelength: 1536.61 nm
- GPS time
- Weight: 60 kg (including server and flight case)
- Dimensions: 0.5 m * 0.7 m * 0.7 m
Marine seismic equipment
In-house equipment and in collaboration with Aarhus University:
- 600 m solid state streamer Geometrics (6.25 m group spacing)
- 550 m oil-filled streamer Geometrics (6.25 m group spacing)
- 5 Digicourse 5010 birds for seismic system
- NaviPac navigation system
- Various G-guns, GI-guns, and sleeve guns ranging in volume from 40 to 520 cubic inches
- Teledyne Hotshot gun controller
- Compressors (Hamworthy with a capacity of 10.000 L/min, and Bauer with 3000 L/min)
- Ice-array for seismic acquisition in sea ice
- Sonobuoy recording capability (5 WinRadios)
- 24 Sercel MicrOBS short period ocean bottom seismometers (as consortium member of the national seismometer facility DanSeis)
- 16 KUM Lobster broad-band ocean bottom seismometers (as consortium member of the national seismometer facility DanSeis)
- Passive Acoustic Monitoring system (Vanishing Point Marine Ltd.)
Shallow marine geophysical equipment
In-house equipment:
- Sparker system 200 (GeoSpark 1000 and GeoSource 200)
- Sparker system 800 (GeoSpark 2000X and GeoSource 800)
- GeoEel digital streamers with AD converters, 1 m group interval 48 channels (32 channels with solid state LH16 system)
- Geo-Sense single-channel high-resolution min-streamer
- Applanix PosMV v.5 and C-Nav 3050 Navigation and motion system
- Innomar SES 2000 medium and standard
- Edgetech 4205 side-scan sonar 100 and 400 khz
- SeaBat T51-R multibeam system