Second, structural pattern controls the regional final direction and local tropism of oil-gasmigration.
②构造格局控制了油气运移的区域最终指向和局部运移取向；
2
Different types and composition of inclusions reflect different oil-gas evolution level and oil-gasmigration in different phases.
包裹体类型和成分的不同，反映了油气的不同演化程度和不同运移期次。
3
Due to far away from the hydrocarbon source rock, oil-gasmigration and building-up conditions became the main controlling factor of the formation trap reservoir forming.