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    • 7. 发明授权
    • Borehole telemetry system
    • 井眼遥测系统
    • US07994932B2
    • 2011-08-09
    • US10549277
    • 2004-03-24
    • Songming HuangFranck MonmontRobert Tennent
    • Songming HuangFranck MonmontRobert Tennent
    • G01V1/00
    • E21B47/182
    • An acoustic telemetry apparatus and method for communicating encoded digital data from a down-hole location through a borehole to the surface is described including an acoustic channel terminated at a down-hole end by a reflecting terminal (133, 134), an acoustic wave generator (140) located at the surface and providing an acoustic wave carrier signal through said acoustic, channel, a modulator (162, 163) located down-hole to modulate amplitude and/or phase of said carrier wave in response to an encoded digital signal and one or more sensors (150) located at the surface adapted to detect amplitude and/or phase related information of acoustic waves traveling within said acoustic channel to determine the encoded digital data.
    • 一种用于将编码数字数据从井下位置通过钻孔传送到表面的声学遥测装置和方法被描述为包括由反射端(133,134)在井下端终止的声道,声波发生器 (140),其位于所述表面并且通过所述声学通道提供声波载波信号,位于井下的调制器(162,163),以响应于编码的数字信号来调制所述载波的幅度和/或相位, 位于表面处的一个或多个传感器(150),适于检测在所述声通道内行进的声波的幅度和/或相位相关信息,以确定编码的数字数据。