|本期目录/Table of Contents|

[1]刘晓丽.辽河西部凹陷雷家地区湖相碳酸盐岩流体充注期次[J].断块油气田,2020,27(04):432-437.[doi:10.6056/dkyqt202004005]
 LIU Xiaoli.Fluid charging periods of lacustrine carbonate rock for the Leijia area in Liaohe western depression[J].Fault-Block Oil and Gas Field,2020,27(04):432-437.[doi:10.6056/dkyqt202004005]
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辽河西部凹陷雷家地区湖相碳酸盐岩流体充注期次(PDF)
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《断块油气田》[ISSN:1005-8907/CN:41-1219/TE]

卷:
27
期数:
2020年04
页码:
432-437
栏目:
默认栏目
出版日期:
2020-07-25

文章信息/Info

Title:
Fluid charging periods of lacustrine carbonate rock for the Leijia area in Liaohe western depression
作者:
刘晓丽
中国石油辽河油田分公司勘探开发研究院,辽宁 盘锦 124010
Author(s):
LIU Xiaoli
Research Institute of Petroleum Exploration and Development, Liaohe Oilfield Company, PetroChina, Panjin 124010, China
关键词:
湖相碳酸盐岩成岩作用流体充注包裹体
Keywords:
lacustrine carbonate diagenesis fluid charging inclusion
分类号:
-
DOI:
10.6056/dkyqt202004005
文献标志码:
A
摘要:
地质演化过程中,埋藏成岩阶段流体性质的变化控制着沉积岩石的物理化学反应,对储层物性的变化也起到一定的控制作用。通过对铸体薄片观察、阴极发光测试、扫描电镜分析、油气及盐水包裹体测试等资料进行综合研究,分析了辽河西部凹陷雷家地区湖相碳酸盐岩储层在埋藏成岩阶段经历的流体充注期次。该储层成岩作用主要有压实及压溶、溶蚀、胶结、交代作用。溶蚀及自生矿物胶结交代的先后顺序表明,雷家地区湖相碳酸盐岩经历了多期碳酸盐胶结物的胶结及溶蚀。对油气包裹体发育位置、荧光颜色、红外光谱及伴生盐水包裹体均一温度的综合分析表明,碳酸盐岩储层发育3期油气充注、1期热液充注。其中:第1期油气充注发生在亮晶白云石胶结之前,为沙三末期成藏;第2,3期油气充注发生在方沸石胶结之前,为东营组沉积时期成藏。
Abstract:
During the geological evolution, variations of fluid property in burial diagenesis stages control the physicochemical reaction of sedimentary rocks, which play an extent controlling role to the variations of reservoir physical property. By comprehensive research of casting thin section observation, cathode luminescence, scanning electron microscope, oil gas and brine inclusion test, this paper analyzes the fluid charging periods experienced in burial diagenesis stages of lacustrine carbonate rock for the Leijia area in Liaohe western depression. The diageneses of the reservoir in Leijia area mainly include compaction, pressure solution, dissolution, cementation and metasomatism. Sequential order of dissolution as well as authigenic mineral cementation and metasomatism show that Leijia carbonate rocks have experienced cementation and dissolution of multiple periods. The comprehensive analyses of oil-gas inclusion position, fluorescence color, infrared spectroscopy and homogenization temperature of associated brine inclusion show that the carbonate reservoirs develop three stages of oil and gas charging and one stage of hydrothermal fluid charging. The oil and gas charging of the first stage happened before the cementation of dolosparite, which was formed in the late period of Es3. The oil and gas charging of the second and third stages happened before the cementation of analcime, which were formed in Dongying Formation sedimentary period.

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备注/Memo

备注/Memo:
更新日期/Last Update: 2020-07-24