Detecting Chemical Building Blocks Hydrocarbons & Olefins

Hydrocarbons are compounds consisting of single, double, or triple-bonded carbon atoms combined with multiple hydrogen atoms. Olefins are unsaturated hydrocarbons that often serve as building blocks for a wide range of products, from solvents to synthetic fibers.

Most common hydrocarbons, such as methane, result from the production of fossil fuels. Olefins such as ethylene are refined from natural gas or crude oil. These hydrocarbons are highly flammable and can cause explosions.

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Optical Gas Imaging: The Professional Guide


Gain a greater understanding of optical gas imaging (OGI) technology and how it can help you find and repair gas leaks quickly, saving time, money, and the environment. This new iBook offers:

  • In-depth look at industry applications
  • Rich video content
  • Details on how OGI and infrared work
  • Expert tips for maximizing OGI surveys
From application stories to videos of fugitive emissions, this iBook has everything you need to understand OGI.

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OGI Application Stories

Inspectahire relies on the FLIR GF320 Optical Gas Imaging camera for maintenance inspections and hydrocarbon leak detection in the offshore oil and gas industry

Established in 1981, Inspectahire is a leading international supplier of specialist remote visual inspection technology and solutions to companies in many industries around the world. Supported by the most advanced technologies around, Inspectahire helps its customers manage their safety, profitability and environmental impact of their assets. When the company is tasked with the detection of fugitive hydrocarbon emissions, FLIR’s GF320 Optical Gas Imaging (OGI) camera is their preferred technology to use.

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FLIR optical gas imaging camera helps improve environment and safety at Borealis Stenungsund

Many petrochemical plants handle invisible gaseous hydrocarbons. Most of these gases pose some sort of safety aspects. They may be toxic, or can cause health issues in case of long term exposure. Others are highly flammable, explosive even, and most of them will have a negative impact on the environment if they enter the atmosphere in large quantities. That is why leak detection is of vital importance in these petrochemical plants.

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Ten tips to get the most out of your OGI Camera

Optical Gas Imaging (OGI) cameras use spectral wavelength filtering and Sterling cooler cold filtering technology to visualize the infrared absorption of VOC/hydrocarbon, SF6, refrigerants, carbon monoxide and other gases whose spectral absorption matches the response of the camera.

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Optical Gas Imaging Cameras for Hydrocarbon / Olefin Detection


Handheld: FLIR GFx320

Ground breaking technology for visualizing fugitive leaks.


Handheld: FLIR GF300/GF320

This preventative maintenance solution spots leaks nine times faster than traditional "sniffer" methods.


Fixed: FLIR G300a

Provides continuous monitoring of oil and gas field components, allowing energy producers to immediately spot dangerous gas leaks and repair them quickly.


Fixed: FLIR A6604

These cameras provide excellent coverage of remote areas, or components that are difficult to access.


Handheld: FLIR GF306

Visualizes refrigerants such as Anhydrous Ammonia NH3. This portable, non-contact system allows you to quickly scan wide areas for leaks, so you can begin repairs sooner.


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