我国东部高纯二氧化碳成因

GENESIS OF CARBON DIOXIDE WITH HIGH PURITY IN EAST CHINA

关效如

Guan Xiaoru

地质矿产部石油地质中心实验室 无锡

Central Laboratory of Petroleum Geology, MGMR, Wuxj, Jiangsu

本文主要对我国东部二氧化碳气藏的成因进行分析和讨论。作者根据板块构造基本原理和裂谷盆地形成机制,认为我国东部高纯二氧化碳的形成主要与火山活动有关,可能来源地壳深处的地幔。我国东部裂谷型含油气盆地的形成与发展过程中,频繁的火山喷发为高纯二氧化碳气藏提供了气源,同时裂谷盆地也具备油气藏(包括二氧化碳)形成的储集和保存条件。

Here the genesis of gas pools of carbon dioxide in east China are analysed and discussed. Based on the principles of plate tectonics and the forming mechanism of rift basin, it is considered that the formation of high purity-carbon dioxide was closely related to volcanic activities, probably, it came from deep crust down to the mantle. In the process of the formation and evolution of hydrocarbon-bearing rift basin, frequent volcanic eruptions had provided gas sources for gas pools of carbon dioxides. Besides, rift basin processed the conditions of reservoir and preservation for the formation of oil and gas (including carbon dioxide) pools.

https://doi.org/10.11781/sysydz199003248