Various hydrocarbon migration paths towards these special reservoirs involve unconformable surface, fault surface, s4 and s3 sandstones, and Proterozoic interior laminar formation.

• 不整合面、断层面、沙四、沙三段砂岩以及元古界内幕层状地层为油气向特殊储集层中运移提供多样化的输导路径。