ＴｈｅＨｉｓｔｏｒｙｏｆＧａｓＥｘｐｌｏｒａｔｉｏｎｉｎｔｈｅＰａｌｅｏｚｏｉｃＳｔｒａｔａｉｎＳｈａａｎｘｉ－Ｇａｎｓｕ－ＮｉｎｇｘｉａＢａｓｉｎＪｉｎＹａｎｔａｉ（ＶｉｃｅＳｅｃｒｅｔａｒｙ，ＧｅｎｅｒａｌｏｆＴｈｅＣｈｉｎｅｓｅＰｅｔｒｏｌｅｕ.........

Objective The Yanshan Fold Belt is located within the northern margin of the North China platform and contains welldevel......