Faults, unconformities, and high-permeability strata form the conduction system through which oil and gas can migrate.Structural traps, stratigraphic traps, and lithologic traps are developed.

• 断层、不整合面和高渗透层构成凹陷内油气运移的输导体系,并发育构造、地层、岩性等多种类型圈闭。