HydraSeis Multi-Channel Seismic Streamer
Model
The HydraSeis UHR system has been developed to acquire digital multi-channel Ultra- High Resolution (UHR) seismic data. The design methodology of the HydraSeis system compliments applied acoustics existing range of Ultra- High Resolution sound sources to provide a step change in performance for data quality.
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5
Key Features
- Modular Ultra- High Resolution streamer
- Wide band 16kHz sampling for UHR data
- 24 channel active sections
- Up to 4 streamer sections (96 channel)
- Two additional AUX channels
- In-water 24 bit ADC
- Continuous sequential recording
- 2D and 3D survey configuration
- Integrated GPS and positioning options
- Lightweight, low noise, balanced construction
Technical Specification
Physical
Diameter
45mm (nominal)
Stress Member
Dyneema x4, 750kg MBL (per member)
Jacket Material
Polyurethane
Fill Material
PMX-561
ADC Modules
Channels
24 channels per section (2 ADC modules per section, 12 channels per module)
Sample Frequency
16kHz
Sample Interval
0.0625ms
Anti-Aliasing Filter
Set by sample interval
Resolution
24 Bit ADC
ADC amp
36dB, configurable
Module Communication
100mbps Ethernet
Active Configuration
Hydrophones per Group
2 (other groupings available on request)
Group Length
150mm
Group Interval
1m (other spacings available on request)
Active Length
24m
Bird Coil
1 per section (optional)
Electrical
Main Power
115/230VAC (supply to console)
Streamer Power
48VDC (via console)
Hydrophone
Max. number of Channels
96
Channel Sensitivity
-197dB ref 1V per μPa
Frequency Range
Up to 10kHz (± 3dB)
Depth Limit
Operational depth limited to ≤ 30m. Recoverable ≤ 30m
Tow Cable
Stress Member
Aramid fiber braid, 700kg MBL
Jacket
Polyurethane
Conductors
Power, Network, Auxiliary, Spare
Tow Cable Length
50m standard
Console and Software
PC based application running on a dedicated Windows 10, 64 bit machine/ network
- SEG-D recording with navigation data recorded to header
- Logging to internal HD with optional automated external storage back-up
- QC windows for: live shots, trace gathers, navigation, error reports, data storage monitoring
- 2 AUX channels for analogue data/ near field hydrophone
Options
HYD-TL50/100
HydraSeis 50/100m Tow Leader Extension Cable
HYD-TLRM
HydraSeis Tow Leader Repeater Module
HYD-BKM
HydraSeis Break Out Module: MiniPod Interface and Depth Sensor
HYD-BKM AHRS
HydraSeis Break Out Module: MiniPod Interface and Depth Sensor and AHRS
Head/ Tail Buoy
Lightweight Towing Buoys with MiniPod and Battery Pack Mounts
HYD-SRCH
HydraSeis 10m Stretch Isolation Section (optional Bird Coil)
HVR-0120
Hand Storage Reel
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