关于油砂地球化学研究方法

Geochemical Characteristics of Oil Sand

随着对能源需求增加和技术的进步,油砂资源受到世界各国重视。油砂是烃源岩中的原油在构造运动等作用的影响下,经一次或多次运移后,储层遭受一系列次生蚀变作用,造成其中极性重质组分富集而形成。研究油砂地球化学特征可以确定其是否具有工业开采价值,以及其烃源岩的沉积环境、有机质类型、热演化程度、有机质成熟度等。通过不同油砂的地化指标对比,可以知道它们的原油的运移方向,指导油气和油砂的勘探。

With the increase of energy demand and the progress of technology, the oil sand has gained much attention around the world. The oil sand was formed from crude oil in the source rocks under the influence of tectonic movement after one or more migration. Study on geochemical characteristics of the oil sand can determine the oil sand industrial exploitation value, source rock sedimentary environment, organic matter type and thermal evolution, maturation, and so on. By contrasting the geochemical index of different oil sand, the direction of oil-gas migration can be predicted, which can provide guidance for oil sand and petroleum exploration.