OceanTools D7 & D10 DyeTectors®

Advanced subsea dye detection system

  • Rhodamine, Fluorescein or Ultraviolet dye detection
  • Focused beam and filtered high intensity LEDs
  • Light amplification and photon detection technology
  • 6000m standard depth rating or 1000m option

The D7 DyeTector is a state of the art subsea leak and dye detector. High-power LED light is focused through lenses and filters to create a concentrated beam that is tuned to a specific wavelength to cause maximum fluorescence of the dye. Detection electronics employ clever light amplification technology to amplify even the smallest amounts of fluorescence from the agitated dye molecules.

The powerful ROV mounted D7 DyeTector uses a new technology capable of detecting single photons of light, which enables it to detect down to single digit parts per billion of dye dissolved in water. This makes it ideal for detecting the very smallest of leaks or dye-dosed cement.

Subsea infrastructure

A DyeTector may be used to detect leaks from subsea infrastructures such as manifolds, wellheads or pipelines if a suitable dye has been added to the infrastructure fluids. Pipeline or flow line pressure testing can be monitored by the DyeTector if dye impregnated fluids are used.

Cement detection

A DyeTector may also be used during casing cementing operations to detect cement returns if a tracer dye is added to either the seawater spacer or to the cement itself. Unlike pH meters which rely upon the cement passing over them, a DyeTector can detect cement from a distance of several metres depending on the concentration of dye.

Detection dyes

Versions of the D7 DyeTector are designed to detect specific types of dye in addition to OceanTools C-Dye and C-Dye 370, including:

  •     Rhodamine dyes such as B275, RX9022, Pelagic 100 Pink
  •     Fluorescein dyes such as HW443, HW540P, Oceanic Yellow LTF
  •     Ultraviolet dyes such as RX9026E, Pelagic 100, Champion Cleardye, Castrol HT2

 

Key Features

Up to 25-hour mission duration

Speeds up to 4.2 knots

Increased module payload capacity

Search and recovery

Hydrography

Deep sea mineral exploration

Marine & Fisheries research

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