However,previous study on geochemistry of crude oils and source rocks in the Maling oilfield is not enough and the genesis of crude oil depends mainly on geology suppositions.

• 马岭油田是鄂尔多斯盆地发现最早的油田之一,也是大陆河流相油气藏的典型代表,可是以往对马岭油田原油及其烃源岩地球化学研究很少,原油的成因更多的依靠于地质推测。