Lithologic trap of volcanic rock body is a new object in the deep exploration in Songliao Basin and is a main continuous field of the deep natural gas exploration of Songliao Basin.

• 火山岩体岩性圈闭是松辽盆地深层勘探遇到的新对象,是松辽盆地深层天然气勘探的主要接替战场。