http://www.theaustralian.com.au/business/mining-energy/qgc-boc-sign-100m-chinchilla-gas-agreement/story-e6frg9ef-1225842245507
I think that the above article in today's Australian may be responsible for the movement in the shares.
I suspect that the SSUGS project has become even more meaningful in the context of the Chinchilla announcement