油气成藏期探讨

新疆石油地质 ›› 2005, Vol. 26 ›› Issue (5): 587-591.

油气成藏期探讨

李明诚¹, 单秀琴², 马成华², 胡国艺²

1.中国地质大学,北京100083;
2.中国石油石油勘探开发科学研究院廊坊分院,河北廊坊065007

收稿日期:2005-06-13 出版日期:2005-10-01 发布日期:2020-11-23
作者简介:李明诚(1935-),男,北京人,教授,石油地质,(Tel)010-82903487

An Approach to Hydrocarbon Accumulation Period

LI Ming cheng¹, SHAN Xiu-qin², MA Cheng-hua², HU Guo-yi²

1. China University of Geosciences, Bejjing 100083, China;
2. Langfang Branch, Research Institute of Petroleum Exploration andDevelopment, PetroChina, Langfang, Hebei 065007, China

Received:2005-06-13 Online:2005-10-01 Published:2020-11-23

摘要/Abstract

摘要： 成藏期是一个时间段,一个油气藏由多次充注形成。烃包裹体的存在是油气运聚的直接证据,利用流体包裹体均一温度分布图所对应的时间可以确定出成藏期。均一温度直方图分为连续分布型和非连续分布型两类:前者表示连续性的充注一期成藏;后者表示非连续性的充注多期成藏。成藏期是成藏史研究的一部分,新生代油气的成藏史比较短,多为一期成藏;古生代油气的成藏史比较长,可能有多个成藏期。但古老油气藏大部分都巳破坏消失,只有那些不断有油气充注或是晚期成藏的才能被保存下来,而目前它们未必具有多期成藏的特征,只有作成藏史研究才能对它们进行评价。

关键词: 成藏期, 充注期, 流体包裹体, 油气藏年龄, 晚期成藏

Abstract: Petroleum accumulation period is a section of time. The formation an oil/gas pool tends to being resuled from multiple charging The presence of hydrocarbon inclusion is the direct evidence for oil-gas migration and accumulation. The petroleum accumulation period can be determined based on the time corresponding to fuid inclusion homogenization lemperature which can be plotted by continuous and discontinuous distribution types of histograms. The continuous distribution type indicates continuous charging and just one-period accumulation. The discontinuous type means discontinuous changing and multi-period accumulations. In terms of accumulation history partly described by accumulation period, the Cenozoic petroleum accumulation history is relatively short, moet belong to one -period accumulation, while Palcozoic petroleum accumulation history is comparatively long, and there could be multi-period accumulations. This paper suggests that most of paleo oiVgas reservoirs is destroyed, only could those pools that are continuously charged with oil and gas or formed in late period preserve, but they may not necessarily be characterized by multi-period accumulations. Only by study of the accumulation or charging history can they be evaluated.

Key words: petroleum accumulation period, charging period, fuid inclusion, oil-gas pool age, late-period accumulation

中图分类号:

TE112.31

李明诚, 单秀琴, 马成华, 胡国艺. 油气成藏期探讨[J]. 新疆石油地质, 2005, 26(5): 587-591.

LI Ming cheng, SHAN Xiu-qin, MA Cheng-hua, HU Guo-yi. An Approach to Hydrocarbon Accumulation Period[J]. Xinjiang Petroleum Geology, 2005, 26(5): 587-591.

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