Through physical geographic and geological characteristics analyses,considered that the main aquifers in the mining area have carbonate rock fractured aquifer group,clastic rock fractured aquifer group and loose bed porous aquifer group.

Study on the loss of gas storage capacity of underground gas storage in aquifer;

After digging tunnel in rock body,the wall rock containing water presents raw stress because the role has disturbed rock stress distribution and the infiltrative action of hydraulic pressure,the unbalanced stress is major source for producing warp,displacement and even destroyment.

The technique of deep hole blasting under water pressure applied in water-bearing rock;