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    • 10. 发明申请
    • Downhole Receiver Systems and Methods for Low Frequency Seismic Investigations
    • 低频地震勘探的井下接收机系统和方法
    • US20140169129A1
    • 2014-06-19
    • US13719081
    • 2012-12-18
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Jacques Orban
    • G01V1/40
    • G01V1/40G01V2210/161G01V2210/163
    • Downhole seismic receiver systems that may be compatible with measurement-while-drilling systems. The downhole seismic receiver systems may be integrated into drill-string components, including drill collars of a bottom hole assembly. The downhole seismic receiver systems include one or more receiver subsystems which in turn include at least two or more same-type seismic sensors. The downhole seismic receiver systems are compatible with low frequency seismic sources and may be useful in determining orientation and location of bed boundaries around a wellbore and ahead of a drill-bit. The downhole seismic receiver systems can be operated with a downhole or surface source. Methods for downhole seismic, including single well and cross-well seismic. The methods may include analyzing data acquired by the receiver systems to obtain seismic information around the wellbore and ahead of the drill bit.
    • 井下地震接收系统,可与钻井测量系统兼容。 井下地震接收系统可以集成到钻柱组件中,包括井底组件的钻铤。 井下地震接收机系统包括一个或多个接收机子系统,其又包括至少两个或多个相同类型的地震传感器。 井下地震接收器系统与低频地震源兼容,并且可用于确定围绕井眼并在钻头之前的床边界的取向和位置。 井下地震接收系统可以用井下或地面源进行操作。 井下地震的方法,包括单井和十字井地震。 这些方法可以包括分析由接收机系统获取的数据以获得围绕井眼并在钻头之前的地震信息。