Well Banshen 8-Well Qian 12-18 and Well Banshen 7-Well Qian 18-18 are located in the favorable paleokarst areas and reservoir distribution areas in the highland and roof of the paleokarst.

• 位于岩溶高地的板深8井-千12-18井区和板深7井-千18-18井区是有利的古岩溶分布区，是有利的储层分布区。