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沉积微相对超深储层岩石力学性质的影响及其应用——以塔里木盆地库车坳陷BZ气田白垩系为例

王志民 孙海涛 张辉 王晨光 尹国庆 徐珂 钟大康

王志民, 孙海涛, 张辉, 王晨光, 尹国庆, 徐珂, 钟大康. 沉积微相对超深储层岩石力学性质的影响及其应用——以塔里木盆地库车坳陷BZ气田白垩系为例[J]. 石油实验地质.
引用本文: 王志民, 孙海涛, 张辉, 王晨光, 尹国庆, 徐珂, 钟大康. 沉积微相对超深储层岩石力学性质的影响及其应用——以塔里木盆地库车坳陷BZ气田白垩系为例[J]. 石油实验地质.
WANG Zhimin, SUN Haitao, ZHANG Hui, WANG Chenguang, YIN Guoqing, XU Ke, ZHONG Dakang. Influence of sedimentary microfacies on mechanical properties of ultradeep reservoir rocks and its application:a case study of Cretaceous in BZ gas field of Kuqa Depression, Tarim Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT.
Citation: WANG Zhimin, SUN Haitao, ZHANG Hui, WANG Chenguang, YIN Guoqing, XU Ke, ZHONG Dakang. Influence of sedimentary microfacies on mechanical properties of ultradeep reservoir rocks and its application:a case study of Cretaceous in BZ gas field of Kuqa Depression, Tarim Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT.

沉积微相对超深储层岩石力学性质的影响及其应用——以塔里木盆地库车坳陷BZ气田白垩系为例

基金项目: 

中国石油天然气股份有限公司科技专项(2023ZZ14YJ03)资助。

详细信息
    作者简介:

    王志民(1988-),男,硕士,工程师,从事地质资源与地质工程研究。E-mail:wangzhm-tlm@petrochina.com.cn。

    通讯作者:

    孙海涛(1985-),男,博士,副教授,从事沉积岩石学方面的研究。E-mail:haitao.sun@cup.edu.cn。

  • 中图分类号: TE122.23

Influence of sedimentary microfacies on mechanical properties of ultradeep reservoir rocks and its application:a case study of Cretaceous in BZ gas field of Kuqa Depression, Tarim Basin

  • 摘要:

    为了优选塔里木盆地库车坳陷白垩系超深致密砂岩储层单井天然裂缝发育的甜点层段,利用露头、岩石薄片、成像测井等资料系统分析了BZ气田不同沉积微相的储层岩石力学性质差异,并结合相关露头中不同沉积微相的几何参数模型,提出了一种优化储层岩石力学参数模型的方法,提高了井筒周围(<200 m)天然裂缝预测精度。研究结果表明:(1) BZ气田白垩系巴什基奇克组三段不同沉积微相、相同微相不同位置的储层中,岩石组构和岩石组合(包括碎屑含量、杂基含量、粒度分选、砂地比和砂泥岩组合等)具有差异,从而影响了储层的泊松比和杨氏模量,不同微相储层具有不同的岩石力学参数。(2)不同沉积微相砂体的裂缝发育程度有所差异,扇三角洲前缘水下分支河道砂岩的裂缝最发育,比扇三角洲前缘支流间湾微相及扇三角洲平原分支河道微相更容易形成裂缝。(3)进一步根据露头中沉积微相几何参数,建立不同微相的三维模型,即可建立和优化井筒周围的沉积微相模型及岩石力学参数模型,并应用到井筒周围的裂缝预测中。

     

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  • 收稿日期:  2023-12-01
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