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    • 5. 发明申请
    • METHODS AND APPARATUSES FOR FORMATION TESTER DATA PROCESSING
    • 用于形成测试数据处理的方法和装置
    • WO2009014995A1
    • 2009-01-29
    • PCT/US2008/070402
    • 2008-07-18
    • SCHLUMBERGER CANADA LIMITEDSERVICES PETROLIERS SCHLUMBERGERSCHLUMBERGER HOLDINGS LIMITEDSCHLUMBERGER TECHNOLOGY B.V.PRAD RESEARCH AND DEVELOPMENT LIMITEDCARNEGIE, AndrewHSU, KaiPOP, Julian
    • CARNEGIE, AndrewHSU, KaiPOP, Julian
    • G01V1/48
    • G01V1/48
    • A method for data processing (250) includes transforming measurement data acquired in the time domain during an oilfield operation into a second domain to produce transformed data (251); identifying distortions in the transformed data (252); removing the distortions from the transformed data (252); and transforming back from the second domain to the time domain to produce cleaned-up data. The transforming measurement data may use a Fourier transform or a wavelet transform. The method may further include compressing the cleaned-up data (253) or reconstructing signals from the cleaned-up data (254). A method for data processing includes decomposing measurement data, which are acquired in an oilfield operation, using a low pass filter to produce a first dataset; decomposing the measurement data using a high pass filter to produce a second dataset; removing distortions from the second' dataset to yield a corrected second dataset; and reconstructing a corrected dataset from the first dataset and the corrected second dataset.
    • 一种用于数据处理的方法(250)包括将在油田操作期间在时域获取的测量数据转换成第二域以产生变换数据(251); 识别变换数据中的失真(252); 从所述变换数据(252)中去除所述失真; 并从第二个域转换到时域以产生清理数据。 变换测量数据可以使用傅里叶变换或小波变换。 该方法还可以包括压缩清理数据(253)或从清理数据(254)重建信号。 一种用于数据处理的方法包括使用低通滤波器分解在油田操作中获取的测量数据以产生第一数据集; 使用高通滤波器分解测量数据以产生第二数据集; 消除来自第二个数据集的失真以产生校正的第二数据集; 以及从所述第一数据集和所述校正的第二数据集重构校正数据集。