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中国地质学会

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鄂尔多斯盆地甘谷驿油区延长组长6储层综合评价

朱谨谨, 符超峰, 杨海龙, 辛江, 马东升, 王涛, 屈伟东

朱谨谨, 符超峰, 杨海龙, 等. 鄂尔多斯盆地甘谷驿油区延长组长6储层综合评价[J]. 西北地质, 2019, 52(1): 166-175. DOI: 10.19751/j.cnki.61-1149/p.2019.01.015
引用本文: 朱谨谨, 符超峰, 杨海龙, 等. 鄂尔多斯盆地甘谷驿油区延长组长6储层综合评价[J]. 西北地质, 2019, 52(1): 166-175. DOI: 10.19751/j.cnki.61-1149/p.2019.01.015
shu
ZHU Jinjin, FU Chaofeng, YANG Hailong, et al. Comprehensive Evaluation of Chang 6 Reservoir from Yanchang Formation in Ganguyi Oil Area, Ordos Basin[J]. Northwestern Geology, 2019, 52(1): 166-175. DOI: 10.19751/j.cnki.61-1149/p.2019.01.015
Citation: ZHU Jinjin, FU Chaofeng, YANG Hailong, et al. Comprehensive Evaluation of Chang 6 Reservoir from Yanchang Formation in Ganguyi Oil Area, Ordos Basin[J]. Northwestern Geology, 2019, 52(1): 166-175. DOI: 10.19751/j.cnki.61-1149/p.2019.01.015
shu

鄂尔多斯盆地甘谷驿油区延长组长6储层综合评价

  • 1. 长安大学地球科学与资源学院, 陕西 西安 710054;

  • 2. 延长油田股份有限公司宝塔采油厂, 陕西 延安 716000;

  • 3. 中石油煤层气有限责任公司工程技术研究院, 陕西 西安 710003

基金项目: 

延安油田股份有限公司宝塔采油厂科技项目（ycsy2016ky-C-02-17）

详细信息
    作者简介:

    朱谨谨(1991-),女,硕士研究生,地质工程专业。E-mail:1572202050@qq.com

  • 中图分类号: P618.13

Comprehensive Evaluation of Chang 6 Reservoir from Yanchang Formation in Ganguyi Oil Area, Ordos Basin

  • 1. School of Earth Science and Resources, Chang'an University, Xi'an 710054, Shaanxi, China;

  • 2. Yanchang Oil Field Co., Ltd. Pagoda oil production plant, Yan'an 716000, Shaanxi, China;

  • 3. Petro China CBM Institute of Engineering Technology, Xi'an 710003, Shaanxi, China

摘要

    摘要
  • 摘要: 运用先进的恒速压汞、核磁共振可动流体饱和度测试分析技术，结合常规储层物性等分析，系统的研究了鄂尔多斯盆地甘谷驿油区延长组长6油层组砂岩储层的岩石学特征、孔隙特征及孔渗分布特征等，进而对甘谷驿油区长6储层进行综合分类评价。研究结果表明，甘谷驿油区长6储层的岩性以细粒长石砂岩为主；储集空间类型以残余粒间孔和溶蚀孔为主；甘谷驿油区长6储层以微喉道为主，且储层流通性质的好坏主要受喉道大小的控制；储层内可动流体饱和度整体偏低。总体上，甘谷驿油区长6储层显示为低孔-超低渗的储层特征。结合甘谷驿油区长6储层的存储系数、地层系数和流动带指数等地质参数对储层进行多因素综合评价，认为甘谷驿油区长6储层最终可分为4类，并以Ⅲ类较差储层为主。
    Abstract: By using the advanced techniques of constant velocity mercury pressure and NMR fluid saturation testing, combined with conventional reservoir physical analysis, the characteristics of petrology, pore, porosity and permeability distribution of Yanchang Chang 6 sandstone reservoir in Ganguyi oil area, Ordos Basin have been systematically studied, and then the comprehensive classification and evaluation of Chang 6 reservoir in Ganguyi oil area have been made in this paper. The results show that the lithology of Chang 6 reservoir in Ganguyi oil area is dominated by fine feldspar sandstone. The reservoir space types mainly consist of residual intergranular pore and dissolution pore. The reservoir of Chang 6 reservoir in Ganguyi oil area is dominated by microlarynx, and the flow property of this reservoir is mainly controlled by the throat size. The saturation of movable fluid in the reservoir is on the low side. On the whole, the Chang 6 reservoir in Ganguyi oil area is characterized by low porosity and ultra-low permeability. The reservoir of Chang 6 reservoir in Ganguyi oil area has been evaluated by the geological parameters, such as storage coefficient, formation coefficient and flow zone index. It is considered that Chang 6 reservoir in Ganguyi oil area can be divided into 4 types, and the type Ⅲ with poor reservoir is the main reservoir.
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  • 收稿日期:  2017-12-05
  • 修回日期:  2018-07-18
  • 网络出版日期:  2022-07-28
  • 发布日期:  2019-03-04

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