石油勘探与开发 >

2021 , Vol. 48 >Issue 1: 222 - 232

DOI: https://doi.org/10.11698/PED.2021.01.21

新能源新领域

陆相页岩油可动用性微观综合评价

  • 金旭 ,
  • 李国欣 ,
  • 孟思炜 ,
  • 王晓琦 ,
  • 刘畅 ,
  • 陶嘉平 ,
  • 刘合
展开
  • 1.中国石油勘探开发研究院,北京 100083;
    2.中国石油勘探与生产分公司,北京100007;
    3.中国地质调查局油气资源调查中心,北京100083;
    4.中国石油大学（华东）石油工程学院,山东青岛266580
金旭（1982-）,男,吉林长春人,博士,中国石油勘探开发研究院高级工程师,主要从事非常规油气储集层表征、微观综合模拟技术和微纳米复合材料开发等研究。地址：北京市海淀区学院路20号,中国石油勘探开发研究院,邮政编码：100083。E-mail: jinxu@petrochina.com.cn

收稿日期: 2020-05-11

  修回日期: 2021-01-07

  网络出版日期: 2021-01-19

基金资助

国家科技重大专项“致密油富集规律与勘探开发关键技术”（2016ZX05046）; 国家重点研发计划“能源与水纽带关系及高效绿色利用关键技术”（2018YFE0196000）; 中国工程院2020年重点咨询研究项目“支撑中国陆相页岩油革命的科技创新治理体系发展策略研究”（2019-XZ-61）

收起

Microscale comprehensive evaluation of continental shale oil recoverability

  • JIN Xu ,
  • LI Guoxin ,
  • MENG Siwei ,
  • WANG Xiaoqi ,
  • LIU Chang ,
  • TAO Jiaping ,
  • LIU He
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  • 1. Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China;
    2. PetroChina Exploration & Production Company, Beijing 100087, China;
    3. Oil & Gas Survey, China Geological Survey, Beijing 100083, China;
    4. School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China

Received date: 2020-05-11

  Revised date: 2021-01-07

  Online published: 2021-01-19

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摘要

选取目前中国重点开发的准噶尔盆地吉木萨尔凹陷二叠系芦草沟组、鄂尔多斯盆地陇东地区三叠系延长组长73亚段、渤海湾盆地沧东凹陷古近系孔店组孔二段、松辽盆地长岭凹陷白垩系青山口组青一段等4大盆地中高成熟度页岩油作为研究对象,基于储集空间展布多尺度刻画、有效连通性计算、荷电效应可动油评价、改造过程裂缝扩展仿真模拟等技术开发与集成应用,在同一评价技术体系和相同实验测试条件下获取4大盆地页岩油储集层有效性、含油性、原油可动性及可改造性等关键参数,解决常规分析手段分辨率不足、难以定量评价等难题,形成不同类型页岩油资源可动用性评价方法与对比认识。综合实验与对比分析结果显示,国内4大盆地陆相页岩油资源禀赋差异显著,其中准噶尔盆地芦草沟组页岩储集层有效性较好、鄂尔多斯盆地长73亚段可动油占比较高、渤海湾盆地孔二段可改造性最佳,为针对性开发方案与工程技术遴选提供参考和建议。图14表4参42

关键词： 陆相页岩油; 可动用性; 储集空间有效性; 含油性; 可改造性

本文引用格式

金旭 , 李国欣 , 孟思炜 , 王晓琦 , 刘畅 , 陶嘉平 , 刘合 . 陆相页岩油可动用性微观综合评价[J]. 石油勘探与开发, 2021 , 48(1) : 222 -232 . DOI: 10.11698/PED.2021.01.21

Abstract

This paper targets the shale oil reservoirs of middle to high maturity in four major basins of China, the Permian Lucaogou Formation of the Jimsar Sag in the Junggar Basin, the Chang 73 Member of the Triassic Yanchang Formation in the Longdong area of the Ordos Basin, the Kong 2 Member of the Paleogene Kongdian Formation in Cangdong Sag of the Bohai Bay Basin, and the Qing 1 Member of the Cretaceous Qingshankou Formation in Changling Sag of the Songliao Basin. The key parameters, such as reservoirs effectiveness, oil content, crude oil movability, and fracability, of the shale oil reservoirs in the four basins have been revealed under identical experimental conditions using the same evaluation technical system, on the basis of technique development and integrated application of multi-scale spatial distribution depiction, effective connectivity calculation, movable oil assessment based on the charging effect, and simulation of fracture propagation during reservoir stimulation. This research overcomes insufficient resolutions of conventional analysis approaches and difficulties in quantitative evaluation, develops the evaluation method for resource recoverability of different types of shale oil, and gains insights into different types of shale oil via comparison. The results of experiments and comparative analysis show that there are significant differences in the endowment of continental shale oil resources in the four major basins in China. Among them, the Lucaogou Formation in the Junggar Basin has more effective shale reservoirs, the Chang 73 sub-member of the Ordos Basin has a comparatively good proportion of movable oil and the Kong 2 Member in the Bohai Bay Basin has the best fracability. These results can provide references and basis for choosing development plans and engineering techniques.

Key words： continental shale oil; recoverability; storage space effectiveness; oil-bearing characteristic; fracability

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