Tuesday 2 April 2013

A weak APPEA* response last night to the ABC Four Corners program on the Australian coal seam gas industry


Australian domestic swimming pools generally hold between 22,000 and 60,000 litres of water,
with the average being between 40,000 and 50,000 litres. [Poolexpress.com.au 2011]

*  APPEA is the Australian Petroleum Production & Explration Association

Taking coal seam gas industry representative Rick Wilkinson’s statement at face value and using the highest domestic swimming pool volume quoted above, then the entire CSG industry in New South Wales generated only 120,000 litres of production/waste water in the fourth quarter of 2012.

That is only 0.12 of a megalitre from 1 September through to 31 December.

If true this is only part of the story, as the State government did not lift its ban on fracking until 1 September and the industry was not meeting 2012 exploration/production schedules by December.

It is also only part of the story because mining companies in this state appear to produce anywhere from 60,000 to 6 million litres of water annually per pilot well. While a production well might generate as much as 20,000 litres of waste water each day or an estimated 1.8 megalitres each quarter if Queensland is any example.

Indeed, at one gas field in the Bowen Basin Santos reported an average initial daily water production rate of 0.20 megalitres per well per day which only declined to two domestic swimming pools worth of waste water per day after twelve years. Coal seam gas well life is predicted to be between 5 and 20 years for each well.

The National Water Commission predicts that the NSW coal seam gas industry may generate approximately 5.7–46.9 gigalitres of co-produced water from production of NSW’s current 2P reserves(2469 PJ) of which 0.697 gigalitres (697 million litres) is expected to be drawn from Clarence-Morton Basin groundwater.

Metgasco Limited currently stores over 20 megalitres of waste water in holding ponds in the Northern Rivers and it is nowhere near commencing commercial gas production in New South Wales. That volume equates with 333 domestic swimming pools.

Of course if Mr. Wilkinson meant Olympic-sized swimming pools then this would have produced as much as 5 megalitres of water over the last three months of 2012, which still does not come anywhere near giving a reliable picture of the industry’s capacity to draw on groundwater reserves in this state if it is allowed to proceed with so little government scrutiny of its plans and commercial operations.

What was so offensive about this and other Wilkinson tweet's last night was not his attempts to wildly spin issues raised by the Four Corners program, but his obvious belief that the general public were so stupid that his spurious 'proofs' would be accepted without demur.

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