MESOPOROUS SILICA NANOPARTICLES AS FLUORESCENT TRACERS FOR RESERVOIR CHARACTERIZATION
    9.
    发明申请
    MESOPOROUS SILICA NANOPARTICLES AS FLUORESCENT TRACERS FOR RESERVOIR CHARACTERIZATION 审中-公开
    介孔二氧化硅纳米粒子作为荧光示踪剂用于储层表征

    公开(公告)号:WO2017136641A1

    公开(公告)日:2017-08-10

    申请号:PCT/US2017/016373

    申请日:2017-02-03

    摘要: The present invention relates to the synthesis and characterization of mesoporous fluorescent silica nanoparticles as well as their application as tracers for subsurface formation characterization. The nanoparticles comprise a mesoporous silica structure, one or more fluorescent agents, and adhered zwitterionic functional groups. The nanoparticles are used for subterranean characterization in a process including: i. injecting one or more fluorescently distinct nanoparticles into one or more discrete subterranean regions, wherein each fluorescently distinct nanoparticle comprises: a silica structure; one or more fluorescent agents embedded within the silica structure; and a plurality of polymeric zwitterionic functional groups adhered to the silica structure; and ii. detecting fluorescence data of the one or more fluorescently distinct nanoparticles in a produced fluid, wherein the produced fluid comprises the injected fluid and a formation fluid from one or multiple subterranean regions.

    摘要翻译: 本发明涉及中孔荧光二氧化硅纳米粒子的合成和表征以及它们作为用于地下地层形成表征的示踪剂的应用。 纳米颗粒包含中孔二氧化硅结构,一种或多种荧光剂和附着的两性离子官能团。 纳米颗粒用于包括以下过程的地下表征:i。 将一种或多种荧光不同的纳米颗粒注入一个或多个离散的地下区域,其中每个荧光不同的纳米颗粒包含:二氧化硅结构; 嵌入二氧化硅结构内的一种或多种荧光剂; 和多个附着于二氧化硅结构的高分子两性离子官能团; 和ii。 检测所产生的流体中的所述一种或多种荧光不同的纳米颗粒的荧光数据,其中所产生的流体包括注入的流体和来自一个或多个地下区域的地层流体。