天然气地质学

渤海湾断陷湖盆页岩油富集控制因素及勘探潜力

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  • 1.中国石油勘探开发研究院,北京100083;2.中国石油辽河油田公司,辽宁 盘锦 124010;
    3.中国石油大港油田公司,天津 300280;4.中国石油华北油田公司,河北 任丘 062550
刘海涛(1978-),男,湖南隆回人,高级工程师,博士,主要从事油气成藏及综合地质评价研究.E-mail:liu_haitao@petrochina.com.cn.

收稿日期: 2019-02-11

  修回日期: 2019-05-30

  网络出版日期: 2019-09-12

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);
国家科技重大专项课题“渤海湾盆地北部油气富集规律与增储领域研究”(编号:2016ZX05006-005);国家科技重大专项课题“我国含油气盆地深层油气分布规律与资源评价”(编号:2017ZX05008-006)联合资助.

Controlling factors of shale oil enrichment and exploration potential in lacustrine Bohai Bay Basin

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  • 1.PetroChina Research Institute of Petroleum Exploration & Development,Beijing 100083,China;
    2.PetroChina Liaohe Oilfield Company,Panjin 124010,China;
    3.PetroChina Dagang Oilfield Company,Tianjin 300280,China;
    4.PetroChina Huabei Oilfield Company,Renqiu 062550,China

Received date: 2019-02-11

  Revised date: 2019-05-30

  Online published: 2019-09-12

摘要

渤海湾盆地页岩油资源丰富,古近系沙河街组湖相页岩有机质丰度高、类型好,具有广阔的页岩油勘探前景。基于渤海湾盆地的大量页岩油钻井分析,分析了页岩油产层岩性组合、有机地球化学特征、储层厚度和地层压力对页岩油产量的影响,以及有利页岩油富集的地质要素和研究区下一步勘探方向。结果表明:渤海湾盆地发育纯泥页岩、泥页岩夹砂砾岩、泥页岩夹灰质云岩、泥页岩砂岩互层及泥页岩灰岩互层5种不同岩性组合的产层,其中以泥页岩夹灰质云岩和泥页岩夹砂砾岩组合模式较好。页岩成熟度、白云岩厚度和地层压力与页岩油产量具有一定的关系,而页岩储层厚度和有机碳含量与页岩油产量关系不明显。页岩层岩性组合、白云岩厚度、页岩油成熟度和地层压力是影响页岩层的压裂效果和页岩油的可流动性的重要参数,而页岩层的压裂效果和页岩油的可流动性是控制页岩油产量的2个重要因素。通过富集主控因素分析与综合地质评价,认为辽河西部凹陷曙光—曙北地区沙四段和歧口凹陷西南缘沙一下亚段页岩油富集和开采条件优越,是下一步页岩油勘探值得关注的2个重点区域。

本文引用格式

刘海涛, 胡素云, 李建忠, 王居峰, 王群一 , 姜文亚, 江涛, 赵长毅 , 张春明, 吴丰成 . 渤海湾断陷湖盆页岩油富集控制因素及勘探潜力[J]. 天然气地球科学, 2019 , 30(8) : 1190 -1198 . DOI: 10.11764/j.issn.1672-1926.2019.05.025

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