Oil and gas migrate upward in separate phase along fault,uncomformity and reservoir rock and accumulate in the lithological traps.In abnormal high pressure system,the drive fore is predominan...

• 而在异常高压系统，油气运移的驱动力主要为压实和欠压实作用下产生的地层压力差，这种压力差可以驱动油气由高势区向低势区运移并在岩性圈闭中成藏，运移相态主要为混（溶）相和游离相。