通过烃源岩生排烃史、圈闭发育史和成藏史分析，研究了油气藏的形成机理，探讨了成藏模式。
The pool forming mechanism and pattern are studied through analyzing hydrocarbon generation and expulsion history, trap development hi story and pool forming history.
歧南断阶带的成岩-孔隙演化模式表明，研究区内特定的成岩-孔隙演化史有利于深层沙河街组二段砂岩孔隙的保存。
The diagenesis-porosity evolution history is beneficial to porosity preservation of Shahejie Formation at great depths in the vicinity of Qi'nan fault-step zone, Bohai Bay.
以博格达地史演化为主线，探讨博格达构造域成盆—成烃—成藏的演化过程。
Based on the geological history evolution of Bogda, in this paper the process of basin formation, hydrocarbon generation and petroleum accumulation of Bogda region are discussed.
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