天然气地球科学

• 天然气地质学 • 上一篇    下一篇

四川盆地致密油勘探开发新认识与发展潜力

黄东1,杨光1,杨智2,杨天泉1,白蓉1,李育聪1,戴鸿鸣3   

  1. 1.中国石油西南油气田公司勘探开发研究院,四川 成都 610400;
    2.中国石油勘探开发研究院,北京 100083;
    3.西南石油大学地球科学与技术学院,四川 成都 610500
  • 收稿日期:2019-02-26 修回日期:2019-07-08 出版日期:2019-08-10
  • 作者简介:黄东(1980-),男,四川大邑人,高级工程师,硕士,主要从事致密油气地质综合研究.E-mail:hdong@petrochina.com.cn.
  • 基金资助:
    国家科技重大专项“重点盆地致密油资源潜力、甜点区预测与关键技术应用”(编号:2016ZX05046-006);“十三五”国家科技重大专项专题“四川盆地致密油资源潜力、甜点区预测与关键技术应用”(编号:2016ZX05046-008)联合资助.

New understanding and development potential of tight oil exploration and development in Sichuan Basin

Huang Dong1,Yang Guang1,Yang Zhi2,Yang Tian-quan1,Bai Rong1,Li Yu-cong1,Dai Hong-ming3   

  1. 1.Exploration and Development Research Institute,PetroChina Southwest Oil and Gas Field Company,Chengdu 610400,China;
    2.PetroChina Research Institute of Petroleum Exploration and Development,Beijing 100083,China;
    3.School of Geoscience and Technology,Southwest Petroleum University,Chengdu 610400,China
  • Received:2019-02-26 Revised:2019-07-08 Online:2019-08-10

摘要: 在国内加大油气勘探开发力度的大环境下,非常规领域成为目前常规油气勘探开发的有力补充,在部分油田呈现出常非并举的发展势头,除页岩气而外,致密油是目前增储上产的重要对象。在系统梳理、分析、总结四川盆地侏罗系大安寨段致密油特征基础上,根据最新烃源岩、储层、源储配置等分析实验样品以及勘探开发成效的系统分析,提出:侏罗系大安寨段烃源岩有机碳中等,页岩油气显示频繁;储层致密化程度高,发育相对优质储层;源储配置类型多样,致密油充注效率高;致密油大面积分布,分相带建立有利区标准;致密油生产差异大,创建勘探开发新模式五大创新认识。根据目前的勘探开发实际情况和资源情况,提出了大安寨段具备页岩油气与致密油气两大非常规油气勘探开发潜力的新思路,并指出了页岩油气主要发育在半深湖区,致密油主要发育在滨浅湖区的认识,为该层系下步的整体勘探开发指明了方向。

关键词: 五大创新认识, 发展潜力, 页岩油, 致密油, 大安寨段, 侏罗系, 四川盆地

Abstract: In the context of increasing domestic efforts in oil and gas exploration and development,unconventional fields have become a powerful supplement to conventional oil and gas exploration and development at present.In some oil fields,the development momentum is often not simultaneous.In addition to shale gas,tight oil is an important target for the increasing reserve and production.Based on the systematic analysis and summary of tight oil characteristics of Jurassic Da’anzhai Formation in Sichuan Basin,this paper proposed five innovative understanding:Medium content of total organic carbon about the Jurassic Da’anzhai Formation and frequent shale oil and gas show,high degree of reservoir densification and development of reservoir with relatively high quality,various types of source storage configuration and high efficiency of tight oil filling,large scale distribution of tight oil and establishment of favorable zone standard,great differentiation in tight oil production and establishment of new exploration and development model.According to the current actual situation of exploration and development and the resource situation,it is proposed that the Da’anzhai member has the potential for the exploration of both shale oil/gas and tight oil/gas.It is pointed out the shale oil and gas mainly developed in semi-deep lake area,tight oil mainly developed in the shore and shallow lake area,which indicate a direction for the next exploration of this formation.

Key words: Five , new , recognitions, Development potential, Shale oil, Tight oil, Da’anzhai Formation, Jurassic, Sichuan Basin

中图分类号: 

  • TE122.3
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