There are many problems with the extraction of coal seam gas in agriculture land. Farmers end up with ground water that burns and becomes contaminated.
Since the crown owns all minerals, mining companies are allowed to enter anyones land and mine the minerals without permission.
I wonder if one solution of getting payback would be to drill another well into the gas seam, pump air into the seam and then ignite it so the gas "safely?" burns/explodes underground....