Control and Acquisition Systems

 
 

 

Birds or streamer depth control devices

  • 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

SERCEL® Nautilus

 

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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

ION® Digibird & Digicourse