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1. 发明申请

US20110019500A1 METHOD, SYSTEM AND LOGGING TOOL FOR ESTIMATING PERMEABILITY OF A FORMATION 审中-公开
标题翻译：用于估计形成渗透性的方法，系统和测井工具
公开(公告)号：US20110019500A1
公开(公告)日：2011-01-27
申请号：US12526154
申请日：2007-02-06
申请人： Boris Danylovich Plyushchenkov , Anatoly Alexeevich Nikitin , Marwan Charara
发明人： Boris Danylovich Plyushchenkov , Anatoly Alexeevich Nikitin , Marwan Charara
IPC分类号： G01V1/50
CPC分类号： G01V3/265 , G01V1/50 , G01V11/00 , G01V2210/6163
摘要： The invention relates to the methods for determining the permeability of a geological formation saturated with a liquid and provides for a method, a system and a logging tool for estimating permeability. The method comprises exciting a formation with acoustic energy pulses propagating into the formation, measuring the acoustic response signals produced by the acoustic exciting and the electromagnetic signals produced by said acoustic energy pulses within the formation and separating components from said measured acoustic response signals and said measured electromagnetic signals representing Stoneley waves propagating through the formation. The acoustic response signals and electromagnetic signals representing Stoneley waves propagating through the formation are synthesized. The separated acoustic response signal and electromagnetic signal components and the synthesized Stoneley wave signals are compared. The permeability is determined from differences between the synthesized Stoneley wave signals and the separated acoustic response signal and electromagnetic signal components.
摘要翻译：本发明涉及用于确定用液体饱和的地质层的渗透性的方法，并提供用于估计渗透性的方法，系统和测井工具。该方法包括通过传播到地层中的声能脉冲来激发地层，测量由声激发产生的声响应信号和由地层内的所述声能脉冲产生的电磁信号，并将分量与所测量的声响应信号和所测量的声响电磁信号代表通过地层传播的斯通利波。合成表示通过地层传播的斯通利波的声响应信号和电磁信号。比较分离的声响应信号和电磁信号分量以及合成的斯通利波信号。磁导率由合成的斯通利波斯信号与分离的声响应信号和电磁信号分量之间的差异确定。

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