Due to the success of drilling for gas in No.4 member of Xujiahe formation in Guan well 8 in Guannan structure,the continental elastic exploration in Chishui area has been broken through primarily.

• 随着官南构造官8井须家河组四段气藏的钻探成功,赤水地区陆相碎屑岩勘探取得了初步突破。