The correlation of oil-source rock indicated that there are three sets of source rock, namely Cambrian-Ordovician, Carboniferous-Permian and Jurassic system.

油-源对比表明有三套烃源岩，即寒武-奥陶系、石炭-二叠系和侏罗系生油岩。

youdao

Steranes and terpanes exist in saturated hydrocarbon component of oil and source rock, and they are usually identified by gas chromatogram-mass spectrum.

甾萜类化合物存在于原油和生油岩的饱和烃组分中，通常用色谱-质谱法鉴定。

youdao

Due to far away from the hydrocarbon source rock, oil-gas migration and building-up conditions became the main controlling factor of the formation trap reservoir forming.

由于距离烃源岩较远，油气运移聚集条件成为地层圈闭成藏的主要控制因素。

youdao