摘要
基于对武清凹陷苏50井的石炭-二叠纪煤系的构造—埋藏史研究,结合磷灰石裂变径迹测试及矿物包裹体分析,运用EASY%Ro数值模拟技术,研究了苏50井石炭-二叠系烃源岩的生烃演化历史,揭示了苏50井处石炭-二叠系烃源岩曾发生过3次重要的生烃作用过程,分别发生在海西-印支期、燕山期与喜马拉雅晚期,主要生烃作用发生在喜马拉雅晚期,并指出武清凹陷是华北石炭-二叠系煤成气勘探的有利地区之一。
The Carbono-Permian source rocks experienced complicated tectono-burial history in the areas of the Bohai Bay Basin. Based on study of tectono-burial history, combined with fluid inclusion analyses, and using the EASY% Ro numerical simulation, the paper revealed the evolution process, the tectonic episodes and the strength of hydrocarbon generation of the Carbono- Permian source rocks from the Well Su-50 in the Wuqing Sag, Central Hebei Depression. Three hydrocarbon generations could be discovered, and occurred in the Hercynian-Indosinian, Yanshanian and Late Himalayan movements respectively, with the Late Cenozoic being key period for hydrocarbon generation and evolution. The Wuqing Sag should be an advantage region for the oil-gas exploration of the Carbono-Permian in the North China.
出处
《地质科学》
CAS
CSCD
北大核心
2008年第1期154-161,共8页
Chinese Journal of Geology(Scientia Geologica Sinica)
基金
国家油气专项资助(XQ-2004-03)
关键词
石炭-二叠纪煤系
构造-埋藏史
二次生烃作用
数值模拟
苏50井
冀中坳陷
Carbono-Permian coal series, Tectono-burial history, Secondary hydrocarbon generation, Numerical simulation, The Well Su-50, The Central Hebei Depression
