Oil gas fields in southwest before the company to spread the news from the company implementation to sichuan county vying within the territory of the gas recovery, and thence weiyuan mining planning in 10 years, shale gas annual production reached 1 billion cubic meters, the first shale gas construction experimental plot development.

Gas field has 40 vying DuoNian natural gas exploration and development history, exploration and development area of 130 m2, the deployment as many as 150 kilometers of the well more than the mouth, gas well 83 mouth. Up to now, already accumulated more than 150 cubic meters of natural gas production, is the sichuan oil gas field exploits. Due to the mass of water, gas reservoir productivity greatly decreased, gas field in early 2004 production, and the remaining comprehensive closed as high as 36 billion cubic meters of natural gas reserves, still. For effective discover and use old gas field, the company recently put resources in vying to deploy 2 gas field mouth vertical Wells and 4 mouth horizontal well.