Abstract

Samples of carbon-rich rocks from domanik deposits and the oil–water contact zone of the Bavly field of the Republic of Tatarstan (Russia), as well as extracts from them, have been studied by thermal analysis, IR and EPR spectroscopy, and gas–liquid chromatography. Significant differences have been revealed in the chemical composition and physicochemical properties of both soluble and insoluble organic matter from various areas of the Bavly field. Compared with bitumens from the oil–water contact zone, bitumoids from domanik deposits are heavier; they are enriched in oxidized structures and contain elevated levels of isoprenoid hydrocarbons and light normal alkanes. Bitumoid asphaltenes are enriched in sulfur and nitrogen, depleted in oxygen, and characterized by an increased concentration of paramagnetic centers. These differences have to be taken into account when testing technologies for the development of domanik deposits.

中文翻译：

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多马尼克矿床富含碳的岩石组成与Ta斯坦巴甫利油田为例的油水接触区的对比分析

摘要

通过热分析，IR和EPR光谱以及天然气研究了来自domanik矿床和Ta斯坦共和国（俄罗斯）Bavly油田的油水接触区的富碳岩石样品及其提取物。 –液相色谱。在巴弗利油田的各个地区，可溶性和不溶性有机物的化学组成和物理化学性质均出现了显着差异。与来自油水接触区的沥青相比，来自domanik矿床的沥青要重得多。它们富含氧化结构，并含有高水平的类异戊二烯烃和轻质正构烷烃。沥青质沥青质富含硫和氮，贫氧，其特征是顺磁性中心浓度增加。