本文根据许多地球科学家的工作,介绍关于烃类的生成和运移与砂岩中的次生孔隙发育的关系的假说。在许多砂岩储集层中,次生孔隙是重要的,甚至是占优势的。例如俄克拉何马州的古生代砂岩,不论其出现的深度如何,储集层的性质都在很大程度上取决于次生孔隙的发育。次生孔隙通常是由于碳酸盐矿物(图1)、长石(图2)和岩石碎片、集合体、团粒(图3—5)的溶解而形成的。对于溶解这些矿物来说,碳酸是主要溶剂(McBride,1977)。含碳酸成分经过连续反应,最终结果使水的组分发生变 Based on the work of many earth scientists, this paper presents a hypothesis on the relationship between hydrocarbon generation and migration and secondary pore development in sandstone. Secondary pores are important and even dominant in many sandstone reservoirs. For example, in the Paleozoic sandstone of Oklahoma, the nature of the reservoir depends very much on the development of the secondary pores, regardless of their depth. Secondary porosity is usually due to the dissolution of carbonate minerals (Figure 1), feldspar (Figure 2) and rock fragments, aggregates, and pellets (Figure 3-5). Carbonate is the main solvent for dissolving these minerals (McBride, 1977). After the continuous reaction of the carbonic acid-containing component, the final result changes the composition of the water