As the most important subsag in Huimin sag, Linnan subsag will lay strong emphasis on lithological oil reservoirs exploration after about forty years exploration of structural oil reservoirs.

• 临南洼陷作为惠民凹陷最重要的洼陷，经历四十余年的构造油气藏勘探后，寻找岩性油气藏成为下一步勘探的重点。