火成岩油气藏的烃源、成藏机理及勘探潜力

新疆石油地质 ›› 2010, Vol. 31 ›› Issue (1): 102-106.

火成岩油气藏的烃源、成藏机理及勘探潜力

孟凡超¹, 刘嘉麒¹, 李明², 张年富³, 崔岩⁴

1.中国科学院地质与地球物理研究所,北京 100029;
2.中国石油勘探开发研究院,北京 100083;
3.中国石油新疆油田分公司,新疆克拉玛依 834000;
4.中国石化胜利油田有限责任公司地质科学研究院,山东东营 257015

收稿日期:2009-08-18 修回日期:2009-10-30 发布日期:2020-07-27
作者简介:孟凡超(1982-),男,河北承德人,在读博士研究生,岩石矿物学,(Tel)010-82998375(E-mail)mengfc@mail.iggcas.ac.cn.
基金资助:
国家973项目,火山岩油气藏的成藏机理与分布规律(2009CB219301)资助

The Hydrocarbon Source, Accumulation Mechanism and Exploratory Potential of Igneous Reservoir

MENG Fan-chao¹, LIU Jia-qi¹, LI Ming², ZHANG Nian-fu³, CUI Yan⁴

1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;
2. Research Institute of Petroleum Exploration and Development, Beijing 100083, China;
3. Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China;
4. Research Institute of Geosciences, Shengli Oilfield Company Ltd., Sinopec, Dongying, Shandong 257015

Received:2009-08-18 Revised:2009-10-30 Published:2020-07-27

摘要/Abstract

摘要： 全面回顾了国内外火成岩油气藏的研究进展。指出,尽管目前已发现的具有商业价值的火成岩油气藏以有机成因为主,但对无机成因油气藏要给予高度重视。详细论述了火成岩油气藏的烃源及无机成因烃的形成机理,阐明地幔射气、晚岩浆期温度500℃以下封闭体系内C-O-H流体重新平衡和岩浆期后阶段矿物与流体的费托合成是无机成因烃的主要来源。我国东部盆地断陷期烃源岩发育良好,区域火山岩地幔包体和火山区温泉气内均含有地幔来源的烃类,碱性和过碱性花岗岩及基性和超基性岩组合具备费托合成烃的条件;表明火成岩油气藏具有巨大的勘探潜力。

关键词: 火成岩油气藏, 无机成因, 有机成因, 费托合成, 成藏机理

Abstract: The study progresses of igneous petroleum reservoirs at home and abroad are reviewed. The results show that the commercial igneous reservoirs are dominated by those with biogenic hydrocarbons, but inorganic petroleum reservoirs should be paid great attention to. The hydrocarbon source and the mechanism of inorganic hydrocarbon generation of igneous reservoirs are discussed. It is illustrated that primary mantle outgassing, the rebalancing of C-O-H fluid within the closed system in late-magmatic stage of less than 500℃ and the mineral-fluid Fischer-Tropsch (FT) reactions in post-magmatic stage are the main sources of inorganic hydrocarbons. The source rocks in faulted period of basins in eastern China are well developed, with mantle-derived hydrocarbons in regional volcanic mantle inclusions and volcanic spring gas. The combinations of Alkaline-peralkaline granites and basic/ultrabasic igneous rocks are of suitable for FT reactions. These indicate that igneous reservoirs have huge potentials for petroleum exploration.

Key words: igneous reservoir, inorganic genesis, organic origin, Fischer-Tropsch reaction, hydrocarbon accumulation mechanism

中图分类号:

TE112.222

孟凡超, 刘嘉麒, 李明, 张年富, 崔岩. 火成岩油气藏的烃源、成藏机理及勘探潜力[J]. 新疆石油地质, 2010, 31(1): 102-106.

MENG Fan-chao, LIU Jia-qi, LI Ming, ZHANG Nian-fu, CUI Yan. The Hydrocarbon Source, Accumulation Mechanism and Exploratory Potential of Igneous Reservoir[J]. Xinjiang Petroleum Geology, 2010, 31(1): 102-106.

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