论文部分内容阅读
过去,在早期成油理论的影响下,同时考虑到作为烃类主要载体的水,对烃类的溶解性能很低,要运移数量足够的烃类,必然要有大量水体的运移。这一种情况,仅能在成岩作用早期由于压实作用产生。故大多数人主张早期运移说,即油气的初次运移开始于沉积物堆积后不久。近十多年来,随着先进分析手段在石油地质学中的引用,越来越多的资料清楚地证明,大量的油气是在成岩作用晚期生成的。与此同时,对油气运移问题,特别是初次运
In the past, under the influence of early oil formation theory, taking into account the fact that water as the main hydrocarbon carrier has very low solubility for hydrocarbons, it is inevitable that a large amount of water will migrate to transport a sufficient amount of hydrocarbons. In this case, compaction can only occur early in diagenesis. Therefore, most people advocate that the early migration, that the initial migration of oil and gas began in the accumulation of sediments soon after. In the past decade or so, with the introduction of advanced analytical tools in petroleum geology, more and more data clearly prove that a large amount of oil and gas are generated in the late stage of diagenesis. At the same time, the issue of hydrocarbon migration, especially the first shipment