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May 12, 2021

CSG methane emissions under CSIRO scrutiny

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For the first time in Australia, CSIRO is developing a dedicated methane research program in the Surat Basin which will help define Australia’s coal-seam gas (CSG) emission profile.

The research will identify and locate sources of naturally occurring methane emissions, and in some cases, estimate how fast methane flows from these sources.

Gas Industry Social and Environmental Research Alliance (GISERA) director Damian Barrett said the results of the study field will increase knowledge of methane emissions in Australia, including from the controversial CSG industry.

Dr Barrett said that understanding the total amount of background methane in the atmosphere and its source was critical to developing an accurate methane emissions recording system.

‘This can then be used to monitor future trends in methane emissions in the CSG production region of the Surat Basin,’ he said.

‘It is important to accurately attribute what portion of methane emission comes from which sources and to differentiate what is a human source from what occurs naturally.’

To determine the methane levels, ground surveys were conducted using a methane analyser.

The analyser covered a distance of more than 7,000km (between Roma and Dalby) over an 18-month period and determined background methane levels (about 1.80ppm) were consistent with background methane concentrations in other regional areas in Queensland.

The research also includes making helicopter measurements to locate methane sources from the air and installing long term monitoring stations in the region.

‘These methane emissions are very small, posing no health concern to humans, but measuring their concentration is important for locating sources and hence emissions rates into the atmosphere,’ Dr Barrett said.

The mobile ground survey detected methane emissions from irrigation ponds, cattle feedlots, grazing cattle near roads and CSG facilities.

‘This report presents results from trials of the instruments and prepares the way for ongoing measurements and monitoring of methane emissions over the long term,’ he said.

‘We’ve installed one methane emission monitoring station, southwest of Chinchilla in November 2014 and another will be installed this month.

‘These monitoring stations will continuously measure methane and other gas concentrations and calculate the rate of methane emission over time, allowing CSIRO to determine whether methane emissions are trending up or down.’

These results from long term monitoring will provide an accurate picture of assessing methane emissions in the Surat Basin and provide important background for other research in CSIRO on fugitive emissions.

GISERA program’s conducts independent research that addresses social and environmental impacts arising from coal seam gas developments in the Surat and Bowen basins (put something about methane emissions research here).

It is funded through CSIRO in collaboration with industry members APLNG and QCG (gisera.org.au).

The report can be downloaded http://www.gisera.org.au/publications/tech_reports_papers/ghg-emission-proj-methane-seeps.pdf


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2 COMMENTS

  1. It’s a very long time since the CSIRO had any credibility !
    This organisation is funded and in bed with industry and for decades has fulfilled the function of apologist and public relations arm of destructive capitalism.
    There are avenues for independent monitoring, such as that done by Maher and Santos at SCU which was the first to document the devastating levels of poisonous gas being emitted by the CSG industry in Tara , QLD,
    G”)

  2. “GISERA program’s conducts independent research that addresses social and environmental impacts …”

    Gas Industry funded body does independent research. There’s something ever so slightly troubling about that statement.

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