There exist tow flow systems, the gravity-driven flow system directed from south to north in the south where oil is generated and the compaction-driven flow system directed from north to south.

• 塔北地区存在两股地下水流，南部生油区为压实水流，由南向北流动，北部为重力水流，由北向南流动，这两股水流交汇于雅克拉和轮南地区，向上封闭式内泄。