Gassonic Fixed Ultrasonic Gas Leak Detectors for the Oil and Gas Industry

Gassonic is the world leader in developing and manufacturing fixed ultrasonic gas leak detectors for the oil and gas industry. Gassonic has supplied the industry with gas detectors as well as onsite services for more than a decade. Main products include Gassonic Observer, Gassonic Surveyor and Gassonic MM0100. Gassonic is today part of the General Monitors family of companies.

Instant acoustic gas leak detection

Gassonic ultrasonic gas leak detectors detect outdoor hydrocarbon gas leaks by sensing the distinct high frequency acoustic ultrasound emitted by all high-pressure gas leaks.

Based on robust microphone gas sensing technology, the Gassonic detector only needs to detect the sound of the leaking gas in order to operate. Gassonic’s ultrasonic gas leak detectors instantly detect gas leaks as small as 0.1kg/sec at distances up to 20m from the leak source, regardless of ambient conditions, changing wind direction or fast dilution of the gas cloud.

Gassonic Observer gas leak detector

The Gassonic Observer is the most advanced ultrasonic gas leak detector in the market. It is built in a stainless steel 316L flame-proof housing. The detector was developed due to requests from major oil / gas companies asking for failsafe gas detection instrumentation. Therefore the SENSSONIC™ self-test technology is an integrated part of the detector. Besides, it has a 4mA-20mA analogue output, RS485 digital communication interface and it is certified for use in hazardous offshore environments (ATEX, UL/C-UL, IEC Ex, GGTN K).

Fixed gas detection instrumentation

Traditional gas leak detection instrumentation was designed to operate when gas builds up to an explosive concentration. For these systems to work, the gas needs to come into physical contact with the detector or an IR source.

However, the harsh environmental conditions found in most oil and gas facilities often prevent gas from reaching the detector. As a result, conventional gas detection systems often fail in turbulent conditions. In a recent report the Health and Safety Executive (HSE) in the UK concluded that only 65% of all hydrocarbon gas leaks in the North Sea were detected by conventional gas detection systems.

Pre-defined gas detection coverage

With ultrasonic gas leak detection an accurate detection coverage range for the individual detector can be determined and verified prior to installation. For detection of industry standard small leaks at 0.1kg/s (ref: methane) the detection coverage will be up to 20m. The exact coverage and positioning of the detectors can be based on an ultrasonic background noise mapping onsite, which trained Gassonic personnel can assist customers with.

Gas leak simulation

As opposed to conventional technologies, it is possible to actually verify the detection radius and thus the performance of the ultrasonic gas leak detectors. This is done by simulating gas leaks by means of a high-pressure hose connected to a portable bottle of nitrogen gas while commissioning the system.

With the new patented detector, the Gassonic Observer, the integrated Senssonic™ acoustic integrity test continuously simulates gas leaks by emitting an acoustic signal every fifteen minutes. If the detector’s microphone is unable to pick up the leak, an acoustic error will be raised on the digital interface or the 4mA-20mA output immediately.

Reducing costs on the gas detection system

One ultrasonic gas detector may replace three to four point gas detectors, which may not only reduce initial spending. Wiring costs and running maintenance will also be reduced dramatically. In particular, this is because the ultrasonic gas detectors do not require regular re-calibration and maintenance, as do conventional detectors.

Oil and gas applications

The Gassonic ultrasonic gas leak detectors can be used as part of the F&G detection system for all kinds of gas processing facilities where the gas pressure is above 10bar (150psi). Typical applications include:

  • Offshore oil / gas platforms
  • Onshore oil / gas terminals
  • Floating production storage and offloading vessels (FPSOs)
  • Gas compressor and metering stations along pipelines
  • LNG / GTL plants
  • Underground gas storage facilities
  • Downstream chemical processing plants (ethylene, methanol, ammonia and propylene)
  • Refineries
  • Gas turbine power plants

Gas leak detection at the speed of sound

Gassonic has delivered more than 3,000 ultrasonic gas leak detectors for instant hydrocarbon gas detection in the petrochemical industry worldwide. The company has dedicated and experienced distributors throughout the world. Gassonic is certified according to ISO9001-2000.

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Press Release

Gassonic Develops World’s First Gas Leak Simulation Tool

Gassonic has developed the world's first gas leak simulation tool. The new Simulator can be accessed in a trial version on Gassonic's website. The Simulator makes it possible to experience why ultrasonic gas leak detectors are widely used for quick gas leak detection in challenging conditions fou

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Gassonic A/S

Energivej 42A

DK - 2750 Ballerup

Other

Denmark

+45 44 700 910 +45 44 700 911 www.gassonic.com

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Press Release

14 March 2010

Gassonic has developed the world's first gas leak simulation tool. The new Simulator can be accessed in a trial version on Gassonic's website. The Simulator makes it possible to experience why ultrasonic gas leak detectors are widely used for quick gas leak detection in challenging conditions fou

Read more
31 March 2008

Based on highly stable microphone technology to ensure instant gas leak detection and including Senssonic™ integrated self-test technology, the Gassonic Observer is now rated SIL 2/3 suitable. The Gassonic Observer is the most advanced ultrasonic gas leak detector in the marketplace and designed

Read more
29 June 2007

Danish company Gassonic A/S is launching a new EEx-i ultrasonic gas leak detector for fixed installations in the petrochemical industry. The new detector is based on more than ten years experience developing and manufacturing ultrasonic gas leak detectors, and an installed base of more than 2.500

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24 May 2007

In field instrumentation, particularly in harsh outdoor environments, faults or breakdowns can occur. What is NOT acceptable is when such faults or breakdowns are left un-revealed, especially if safety is involved. To meet the challenge of ensuring no un-revealed failures for our ultrasonic gas l

Read more
11 May 2007

Gassonic A/S, a developer and manufacturer of advanced ultrasonic gas leak detectors for the international oil and gas industry, has won an order for a major part of the safety system in the giant Kashagan Project in Kazakhstan, the largest oil and gas development project in the World.

Read more

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Gassonic A/S

Energivej 42A

DK - 2750 Ballerup

Other

Denmark

+45 44 700 910 +45 44 700 911 www.gassonic.com

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