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泌阳凹陷浅层原油和中等深度原油均来自中等深度的生油岩,前者以向上运移为主,后者以短距离侧向运移为主。埋藏较深的原油来自深部生油岩,以较长距离侧向运移为主。
The shallow crude oil and middle deep crude oil in Biyang sag are all derived from middle-deep source rocks. The former is dominated by upward migration, while the latter is dominated by short-distance lateral migration. Buried deep crude oil from deep source rock, the longer-distance lateral migration based.