Birds or streamer depth control devices
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- Manufacturer: SERCEL®
- Model: Nautilus
Features:
- Streamer levelling & streamer steering in a single device
- Single in-line canister for all functions: levelling, steering, acoustics, telemetry
- In-line acoustic transceivers
- Powered by the streamer with internal rechargeable battery for operation during streamer maintenance
- Redundant telemetry and power
- Acoustics based on a patented modulation and time derivation scheme allowing standard deviation to be determined for each range measured
- Flexible on-board controller:
- Self-contained Graphical User Interface for full control of acoustic network and depth and steering controllers
- Fully integrated with all Sercel on-board products such as SeaPro Nav, Seal, eSQC-Pro, etc.
- Open interface for integration with any navigation system
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- Manufacturer: ION®
- Model: 5010-5011 Digicourse & Digibird-II.
Features:
- Depth measurement and control
- Information to assist in ballasting streamers
- QuickCUFF™ compatible for rapid deployment and retrieval Modular construction
- Non-corrosive outer body
- 122 m (400 ft) depth measurement
- Multiple-processor architecture
- Communications to support 6,000 m and longer streamers (with high speed FSK repeater)
- Multiple, water weight seals provide greater reliability
Physical Characteristics
Length :1.2 m (48.2 in)
Weight in air: 8.32 kg (18.3 lbs)
Weight in water with batteries: 2.78 kg (6.1 lbs)
Mounting: Industry-standard collars on 0.57 m (22.5 in) centers
