石油与天然气地质 ›› 2022, Vol. 43 ›› Issue (3): 489-498.doi: 10.11743/ogg20220301

• 油气地质 • 上一篇    下一篇

渤海湾盆地济阳坳陷陆相页岩油吸附控制因素

王永诗1(), 李政2,3,4,5, 王民6, 包友书2, 朱日房2, 刘军2, 吴连波2, 于利民7   

  1. 1.中国石化 胜利油田分公司,山东 东营 257015
    2.中国石化 胜利油田分公司 勘探开发研究院,山东 东营 257015
    3.山东省非常规油气勘探开发重点实验室,山东 东营 257015
    4.国家能源局 页岩油研发中心,山东 东营 257015
    5.中国石化 胜利油田分公司 油气成藏重点实验室,山东 东营 257015
    6.中国石油大学(华东) 地球科学与技术学院,山东 青岛 266580
    7.中国石油 吉林油田公司 油藏评价部,吉林 松原 138000
  • 收稿日期:2021-06-10 修回日期:2022-03-10 出版日期:2022-06-01 发布日期:2022-05-06
  • 作者简介:王永诗(1964—),男,教授级高级工程师,油气勘探与管理。E?mail: wangysh.slyt@sinopec.com
  • 基金资助:
    中国石化科技攻关课题项目(P19017-6);中国石化页岩油研发中心实验室课题项目(KL20042)

Factors controlling lacustrine shale oil adsorption in the Jiyang Depression, Bohai Bay Basin

Yongshi Wang1(), Zheng Li2,3,4,5, Min Wang6, Youshu Bao2, Rifang Zhu2, Jun Liu2, Lianbo Wu2, Limin Yu7   

  1. 1.Shengli Oilfield Branch Company,SINOPEC,Dongying,Shandong 257000,China
    2.Exploration and Development Research Institute of Shengli Oilfield Branch Company,SINOPEC,Dongying,Shandong 257015,China
    3.Key Laboratory on Exploration and Development for Unconventional Oil and Gas,Dongying,Shandong 257015,China
    4.Shale Oil Research and Development Center,National Energy Administraion,Dongying,Shandong 257015,China
    5.Key Laboratory of Petroleum Accumulation Mechanisms of Shengli Oilfield Branch Company,SINOPEC,Dongying,Shandong 257015,China
    6.School of Geosciences,China University of Petroleum (East China),Qingdao,Shandong 266580,China
    7.Reservoir Evaluation Department of Jilin Oilfield Company,CNPC,Songyuan,Jilin 138000,China
  • Received:2021-06-10 Revised:2022-03-10 Online:2022-06-01 Published:2022-05-06

摘要:

在页岩油勘探中,页岩吸附油量及其控制因素对于页岩油资源评价及有利区预测具有重要意义。以渤海湾盆地济阳坳陷沙河街组页岩为研究对象,通过改进的热解实验确定页岩吸附油量,利用分子模拟技术,微观吸附机理和宏观实验测试结果相结合,剖析了页岩物性、矿物组成和页岩油组分、有机质成熟度及温压等因素对吸附量的影响。结果表明:页岩孔隙体积高、总有机碳(TOC)含量高、饱和烃含量低、有机质成熟度低以及温度低的页岩储层,吸附油量大;TOC含量和有机质成熟度是中-低熟陆相页岩油吸附的主要控制因素。

关键词: 吸附, 主控因素, 分子模拟, 页岩油, 古近系, 济阳坳陷, 渤海湾盆地

Abstract:

It is of great significance to determining the amount of adsorbed oil and its control factors for the evaluation of shale oil resources and prediction of play fairway in shale oil exploration. The Shahejie shale in the Jiyang Depression is taken to determine the quantity of adsorbed shale oil by improved pyrolysis experiments. Meanwhile, the study reveals the factors influencing shale oil adsorption volume such as shale physical properties, shale compositions, shale oil components, as well as maturity of organic matters, temperature and pressure, etc., by an integration of molecular simulation technology, micro-adsorption mechanism and macro-experimental data. The results show that shale oil reservoirs featuring large pore volume, high TOC content, low saturated hydrocarbon content, low maturity, and low temperature, are of higher oil adsorption capacity, and TOC content and organic matter maturity are the main factors controlling oil adsorption of lacustrine shale oil reservoirs with low maturity.

Key words: adsorption, main controlling factor, molecular simulation, shale oil, Paleogene, Jiyang Depression, Bohai Bay Basin

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