致密砂岩储层,沉积环境,成岩作用,储层评价,勘探选区," /> 致密砂岩储层,沉积环境,成岩作用,储层评价,勘探选区,"/> tight sandstone reservoir , sedimentary environments, diagenesis, reservoire valuation, prospecting area,"/> 二连盆地赛汉塔拉凹陷烃源岩有机相与烃源灶

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (2): 28–35.doi: 10.3969/j.issn.1673-8926.2017.02.004

• 油气地质 • 上一篇    下一篇

二连盆地赛汉塔拉凹陷烃源岩有机相与烃源灶

赵志刚1, 王飞宇2, 王洪波1, 王名巍1, 王浩3, 蓝宝峰1   

  1. 1. 中国石油华北油田分公司 勘探开发研究院, 河北 任丘 062552;
    2. 中国石油大学(北京)地球科学学院, 北京 102249;
    3. 西北大学 研究生院, 西安 710069
  • 收稿日期:2017-01-09 修回日期:2017-02-15 出版日期:2017-03-21 发布日期:2017-03-21
  • 第一作者:赵志刚(1967-),男,硕士,高级工程师,主要从事油气勘探与油藏评价方面的地质综合研究工作。地址:(062552)河北省任丘市建设中路中国石油华北油田分公司勘探开发研究院。Email:631223473@qq.com
  • 通信作者: 王飞宇(1963-),男,博士,教授,主要从事石油地质方面的研究工作。Email:fywang@cup.edu.cn。
  • 基金资助:
    中国石油天然气股份有限公司重大科技专项“华北油田上产稳产800 万吨关键技术研究与应用”（编号：2014E-35）资助

Source kitchen and organic facies of source rocks in Sahantala Sag, Erlian Basin

ZHAO Zhigang1, WANG Feiyu2, WANG Hongbo1, WANG Mingwei1, WANG Hao3, LAN Baofeng1   

  1. 1. Research Institute of Exploration and Development, PetroChina Huabei Oilfield Company, Renqiu 062552, Hebei, China;
    2. College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China;
    3. Graduate School of Northwest University, Xi'an 710069, China
  • Received:2017-01-09 Revised:2017-02-15 Online:2017-03-21 Published:2017-03-21

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摘要： 在油气勘探过程中，有机相的研究有助于定量表征烃源灶。为了更好地分析二连盆地赛汉塔拉凹陷的勘探前景，应用大量岩石热解数据对烃源岩有机相进行划分，实现了对烃源岩的分类评价，同时结合烷烃参数、生物标志物参数和镜质体反射率标定烃源岩有机质成熟度，进而实现了对烃源灶的定量表征。研究表明：赛汉塔拉凹陷自下而上发育阿尔善组、腾一段和腾二段3 套烃源岩，其中阿尔善组主要发育F 相烃源岩，腾一段和腾二段主要发育D/E 相烃源岩，兼有少量C 相烃源岩，垂向上从阿尔善组到腾一段和腾二段下部再到腾二段上部，显示出F 相—D/E 相— F 相的烃源岩分布特征；腾一段烃源灶为主力烃源灶，排烃强度为（500～3 500）万t/km2，阿尔善组烃源灶为次要烃源灶，排烃强度为（200～800）万t/km2。研究结果为二连盆地赛汉塔拉凹陷资源潜力分析提供了依据。

关键词:

Abstract: The study of organic facies of source rocks can contribute to characterize the source kitchen in the hydrocarbon exploration and development. In order to assess the prospects of Saihantala Sag,Erlian Basin,the Rock-Eval data were used to classify the organic facies of source rocks and realize the evaluation of source rocks. The parameters of alkanes,biomarker and vitrinite reflectance were used to determine the organic matter maturity of hydrocarbon source rocks,and the quantitative characterization of source kitchen was realized. The results show that the Lower Cretaceous source rocks mainly developed in the A'ershan Formation(K1ba),the first member(K1 bt1)and second member(K1 bt2)of Tenggeer Formation in Saihantala Sag. The source rocks in the K1 ba are mainly organic facies F,and the source rocks in K1 bt1 and K1 bt2 are mainly organic facies D/E,with a little organic facies C. The vertical distribution of source rocks shows the characteristics of organic facies F,D/E and F from bottom to top. The source rocks in the K1 bt1 is the main source rocks,and the hydrocarbon expulsion intensity ranges from 5×106 t/km2 to 35×106 t/km2,followed by K1ba source rocks,and the hydrocarbon expulsion intensity is(2-8)×106 t/km2.

Key words: tight sandstone reservoir ')">

中图分类号: 

  • TE122.1
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