Yibin Jialingjiang reservoir is one of the back-up natural resources.It has the characteristics of low porosity,low permeability,normal pressure,low natural deliverability and shallow depth.

• 宜宾潜伏构造嘉陵江组气藏是川西南气矿的后备资源之一,有低孔、低渗、常压、自然产能低、埋藏浅等特点。