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    • 8. 发明申请
    • Well Placement Using Closure Stress Based Landing Map
    • 使用闭合应力基于着陆图的井位置
    • US20160377754A1
    • 2016-12-29
    • US14748737
    • 2015-06-24
    • Mayank MalikJohn DeSantisFuju ChenLi JiangSaijin HuangJohn A. Best
    • Mayank MalikJohn DeSantisFuju ChenLi JiangSaijin HuangJohn A. Best
    • G01V1/34G01V13/00G01V1/30
    • G01V1/40
    • Desirable completion zones can be identified using closure stress in combination with one or more other attributes such as porosity. One computer-based well placement method includes using the computer to: process a seismic data volume to map the spatial distribution of a seismic-based CSS attribute; acquire logs from one or more boreholes in the subsurface region; derive from the logs a relationship between CSS and a minimum in-situ stress; apply the relationship to the CSS attribute map to produce a landing map that highlights desirable completion zones; and place one or more wells in the desirable completion zones. The borehole logs may include direct measurements of minimum in-situ stress (acquired via microfracture testing), sonic tool measurements of P-wave and S-wave velocity, and density tool measurements of bulk formation density.
    • 可以使用闭合应力与一个或多个其它属性(例如孔隙率)组合来确定期望的完井区域。 一种基于计算机的井位置方法包括使用该计算机:处理地震数据量以映射基于地震的CSS属性的空间分布; 从地下区域的一个或多个钻孔采集原木; 从日志中得出CSS与最小原位应力之间的关系; 将关系应用于CSS属性映射,以生成突出显示所需完成区域的着陆映射; 并将一个或多个井放置在所需的完井区。 钻孔测井可以包括直接测量最小原位应力(通过微裂缝测试获得),P波和S波速度的声波工具测量以及体积地层密度的密度测量。