盆地中地下水运动与油气藏勘探

介绍了３种地下水运动模型及相应的应用条件，并在吐 哈盆地进行了实际应用。把吐 哈盆地地下水活动划分为２个阶段，相应的油气有利聚集区分为４大类。认为在水动力条件活跃的地区，油气藏可能偏移构造高部位。另外还介绍了勘探此类油藏的ＵＶＺ法，以及在柳赞油田的应用实例，不仅预测了油藏的分布位置，还合理地解释了所谓“水洗层”现象

FLUID FLOW AND PETROLEUM EXPLORATION IN SEDIMENTARY BASINS

There are three major fluid flow models in sedimentary basins. Different basins may have different fluid flow models. And a basin may have different fluid flow models in different stages. Tuhar basin is an intermountain basin. The fluid flow can be divided into two stages according to the genesis and driving force of water. It is found that the fluid flow is composed of convergent flow of compaction water and meteoric water in the first stage. It is mainly meteoric water flow by gravity after compaction water is limited in the second stage. The petroleum is accumulated in four kinds of areas corresponding to the fluid flow models. In the area that is characterized by active hydrodynamic condition the location of petroleum does not coincide with structural trap, and there is a displacement between them. The authors applied the water potentional method to ES 5 3 Formation in Liuzan oil field of Nanpu depression, predicted the distributive location of oil pools and gave reasonable explanation for the phenomenon of water flushed layers.