英买力地区中生界—新生界油气藏石油包裹体特征及成藏期次

doi:10.7623/syxb201501007

石油学报 ›› 2015, Vol. 36 ›› Issue (1): 60-66.DOI: 10.7623/syxb201501007

英买力地区中生界—新生界油气藏石油包裹体特征及成藏期次

罗枭^1,2,3, 姜振学^1,2, 李卓^1,2, 李峰^1,2, 刘建良⁴, 高甜^1,2, 冯洁^1,2

1. 中国石油大学油气资源与探测国家重点实验室北京 102249;
2. 中国石油大学非常规天然气研究院北京 102249;
3. 中国石油大学盆地与油藏研究中心北京 102249;
4. 中国石油勘探开发研究院北京 100083

收稿日期:2014-06-01 修回日期:2014-09-20 出版日期:2015-01-25 发布日期:2014-12-09
通讯作者: 姜振学, 男, 1963年4月生, 1986年获大庆石油学院学士学位, 1998年获中国地质大学(北京)博士学位, 现为中国石油大学(北京)非常规天然气研究院副院长、博士生导师, 主要从事含油气盆地分析、油气形成与分布方面研究工作.Email:jiangzx@cup.edu.cn
作者简介:罗枭, 男, 1991年1月生, 2012年获长江大学学士学位, 现为中国石油大学(北京)硕士研究生, 主要从事油气成藏与分布方面研究工作.Email:aoelx1541@126.com
基金资助:
国家重大科技专项(2011ZX05003-001)、国家重点基础研究发展计划(973)项目(2011CB201105)资助.

The properties of petroleum inclusions and stages of hydrocarbon accumulation in Mesozoic-Cenozoic reservoirs in Yingmaili area of Tabei uplift, Tarim Basin

Luo Xiao^1,2,3, Jiang Zhenxue^1,2, Li Zhuo^1,2, Li Feng^1,2, Liu Jianliang⁴, Gao Tian^1,2, Feng Jie^1,2

1. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China;
2. Unconventional Natural Gas Institute, China University of Petroleum, Beijing 102249, China;
3. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China;
4. Petrochina Research Institute of Petroleum Exploration & Development, Beijing 100083, China

Received:2014-06-01 Revised:2014-09-20 Online:2015-01-25 Published:2014-12-09

摘要/Abstract

摘要：

明确油气的成藏期次及成藏演化历史是当前英买力地区中生界—新生界油气藏勘探亟待解决的关键问题.利用石油包裹体岩相学、微束荧光光谱和显微测温技术,对英买力地区中生界—新生界石油包裹体特征和油气成藏期次开展了详细研究.结果表明:样品中主要观察到发蓝色、蓝白色、亮黄色、弱黄色荧光的石油包裹体;荧光光谱的主峰波长主要集中在470~490 nm和510~540 nm,分别指示近蓝白色和近黄色2种荧光的石油包裹体组合.其中,近黄色石油包裹体的红绿商Q在0.48~0.65,色度指数CIE-X和CIE-Y 值在0.345~0.360和0.358~0.375,对应盐水包裹体的均一温度主峰值在80~90℃;近蓝白色石油包裹体的红绿商Q在0.20~0.51,色度指数CIE-X和CIE-Y值在0.302~0.333和0.325~0.352,对应盐水包裹体的均一温度主峰值在120~130℃.结合埋藏史、热演化史模拟结果,明确了英买力地区中生界—新生界油气藏具有2期成藏过程:第1期在8~5 Ma,以形成常规油藏为主,成熟度相对较低,石油包裹体发近黄色荧光;第2期在3 Ma以来,以形成凝析油气藏为主,成熟度较高,石油包裹体发近蓝白色荧光.

关键词: 石油包裹体, 成藏期次, 荧光光谱, 英买力地区, 中生界—新生界

Abstract:

To clarify the stages and evolution process of hydrocarbon accumulation is presently the key issue of exploring Mesozoic-Cenozoic reservoirs in Yingmaili area of Tabei uplift, Tarim Basin. A detailed study was carried out to determine the properties of petroleum inclusions and the stages of hydrocarbon accumulation in Mesozoic-Cenozoic reservoirs using rock samples from typical wells, through a combination of microscopic examination, micro-beam fluorescence spectroscopy, and micro-thermometric technique. Results showed that petroleum inclusions in reservoirs rocks mainly emitted blue, blue-white, bright yellow, and weak yellow fluorescence. Peak wavelengths of the fluorescence spectra were mainly distributed in the ranges of 470-490 nm and 510-540 nm, corresponding to blue-white and yellow fluorescence, respectively. Of these, petroleum inclusions emitting yellow fluorescence had the red-green quotient of 0.48-0.65 and the chromaticity of 0.345-0.360 (CIE-X) and 0.358-0.375 (CIE-Y), whereas the corresponding brine inclusions had the main peak of homogeneous temperatures at 80-90°C. Differently, petroleum inclusions emitting blue-white fluorescence had the red-green quotient of 0.20-0.51, CIE-X of 0.302-0.333, and CIE-Y of 0.325-0.352, whereas the corresponding brine inclusions had the main peak of homogeneous temperatures at 120-130℃. Combined with simulation analysis of burial history and thermal evolution history, two-stage hydrocarbon accumulation was identified in Mesozoic-Cenozoic reservoirs in Yingmaili area: in the first stage (8-5 Ma), mainly normal reservoirs were formed with relatively low maturity and petroleum inclusions emitting yellow fluorescence; and in the second stage (since 3 Ma), mainly condensate reservoirs were formed with relatively high maturity and petroleum inclusions emitting blue-white fluorescence.

Key words: petroleum inclusions, hydrocarbon accumulation period, fluorescence spectroscopy, Yingmaili area, Mesozoic-Cenozoic reservoirs

中图分类号:

TE122.3

罗枭, 姜振学, 李卓, 李峰, 刘建良, 高甜, 冯洁. 英买力地区中生界—新生界油气藏石油包裹体特征及成藏期次[J]. 石油学报, 2015, 36(1): 60-66.

Luo Xiao, Jiang Zhenxue, Li Zhuo, Li Feng, Liu Jianliang, Gao Tian, Feng Jie. The properties of petroleum inclusions and stages of hydrocarbon accumulation in Mesozoic-Cenozoic reservoirs in Yingmaili area of Tabei uplift, Tarim Basin[J]. Acta Petrolei Sinica, 2015, 36(1): 60-66.

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英买力地区中生界—新生界油气藏石油包裹体特征及成藏期次

The properties of petroleum inclusions and stages of hydrocarbon accumulation in Mesozoic-Cenozoic reservoirs in Yingmaili area of Tabei uplift, Tarim Basin

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