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fibre optic monitoring Applications

  • Fibre Optic Distributed Temperature Sensing for Borehole Flow Monitoring

    Subsurface environments are critical not only as water resources but also for energy use including geothermal, CO2 sequestration and oil & gas operations. These sensitive environments are directly affected by anthropogenic activities, hence monitoring is essential. Temperature offers insight into a variety of physical properties and can be used for flow monitoring and flux quantification in the subsurface. Traditionally, point sensors have been used to collect temperature data; however, significant limitations exist.

    By Silixa Ltd based in Elstree, UNITED KINGDOM.

  • In-situ Calcite Crystallisation Monitoring

    Calcite cristallisation reactions, commonly known as "scaling" events, are monitored in-situ using a portable field spectrophotometer with fibre optical probe accessory.

    By WAT Australia Pty.Ltd. based in West Australia, AUSTRALIA.

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    Marine monitoring solutions for the SO2/CO2/NOx monitoring

    Process control of a SO2 scrubber on a ship is a challenge due to wet and corrosive gases. In such environment, extractive gas sampling systems require high levels of maintenance in order to operate correctly. OPSIS monitoring system solves this by using an optical, non-contact, cross-duct technique. A light beam is sent across the duct or stack to be measured, and the captured light is sent through an optical fibre cable to an analyser. The analyser measures SO2, CO2 and NOx concentrations using UV and IR absorption, approved reference methods.

    By Opsis AB based in Furulund, SWEDEN.

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    Fire detection solutions for the oil rigs

    The worse event that can befall on off shore oil rig is fire. The Model 125 is a smoke monitor designed to operate in hazardous areas, especially in oil rig air conditioning and ventilation ducts. The electronics are contained in an explosion proof container rated as EEX de II B T5; the sensing head uses fibre optic cables to transmit the near infra-red light to a reflector where it is returned to another fibre optic cable. The light level is then monitored by a photo-electric cell. The Model 125 gives an output in opacity which is transmitted to the rig safety systems.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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