Shale gas well in Ordos Basin, 10-stage CO2 frac yielded 1.87 MMcfg/d CO2 fracking in the Permian Shanxi fm. 
Yunye-Ping-3 Shale gas well in Ordos Basin, 10-stage CO2 frac yielded 1.87 MMcfg/d CO2 fracking in the Permian Shanxi fm. 