One other thing to ponder is that there are discoveries on either side of us on the other PSCs by SinoGas (ie Sanjiaobei and Linxing East). We are in between them and have established the first two wells as having multiple payzones - see page 3 of this link and compare it to the diagram by LRL above in 1st post. http://www.sinogasenergy.com/images/stories/research/130110%20sino%20gas%20seh%20-%20a%20year%20of%20catalysts.pdf )
In this analysis for SinoGas next door to us, by Argonaut just 3 weeks ago (page 4) dated 13/1/2013 -