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公开(公告)号：US4286218A
公开(公告)日：1981-08-25
申请号：US63491
申请日：1979-08-06
IPC分类号： G01V3/08
CPC分类号： G01V3/082
摘要： A method of magnetotelluric exploration is disclosed which features multiple measurements of the earth's electric field at a plurality of locations and one or more magnetic field measurements being made simultaneously. A specific form of cable for connecting measurement apparatus with recording apparatus is also disclosed.
摘要翻译： 公开了一种大地电磁勘探方法，其特征在于在多个位置具有多个测量地球的电场，同时进行一个或多个磁场测量。 还公开了用于将测量装置与记录装置连接的具体形式的电缆。
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公开(公告)号：US4881209A
公开(公告)日：1989-11-14
申请号：US256674
申请日：1988-10-12
CPC分类号： G01V1/286 , G01V1/362 , G01V2210/52
摘要： Method for processing converted mode seismic data. Compressional and converted compressional to shear wave data is acquired by generating compressional energy into a subsurface formation and recording the amplitude of reflections as a function of time at spaced locations along a line of exploration. A series of compressional to shear wave velocity (Vp/Vs) ratios are selected based on an analysis of the acquired seismic data and the shear wave velocity for each Vp/Vs ratio is determined according to the following relationship: ##EQU1## where k=Vp/Vs. Data corresponding to each Vp/Vs ratio is stacked together, the series of stacks are correlated to the originally acquired seismic data to determine the actual Vp/Vs ratio for the formation and the shear wave velocity is derived. The originally collected data is then corrected for normal moveout and stacked.
摘要翻译： 转换模式地震数据处理方法。 压缩和转换的压缩到剪切波数据是通过产生压缩能量进入地下地层并记录反射振幅作为沿着探索线的间隔位置的时间的函数来获取的。 根据获取的地震数据的分析选择一系列压缩至波速（Vp / Vs）比，并根据以下关系确定每个Vp / Vs比的剪切波速度：
+ TR < IMAGE>其中k = Vp / Vs。 对应于每个Vp / Vs比的数据堆叠在一起，一系列堆叠与原始获取的地震数据相关，以确定形成的实际Vp / Vs比，并导出剪切波速度。 然后对原始收集的数据进行校正，以进行正常的移出和堆叠。 -
公开(公告)号：US4473800A
公开(公告)日：1984-09-25
申请号：US420673
申请日：1982-09-21
申请人： Barry N. Warner
发明人： Barry N. Warner
摘要： A method for removing the effects of said subsurface anomalies in magnetotelluric survey data is disclosed wherein resistivity curves are compared and a correction factor is determined. Resistivity curves having a deviation from a mean are multiplied by this correction factor.
摘要翻译： 公开了一种在大地电磁勘测数据中消除所述地下异常的影响的方法，其中比较电阻率曲线并确定校正因子。 具有偏离平均值的电阻率曲线乘以该校正因子。
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公开(公告)号：US4392109A
公开(公告)日：1983-07-05
申请号：US206920
申请日：1980-11-14
申请人： Barry N. Warner
发明人： Barry N. Warner
摘要： A method for removing the effects of said subsurface anomalies in magnetotelluric survey data is disclosed wherein resistivity curves are compared and a correction factor is determined. Resistivity curves having a deviation from a mean are multiplied by this correction factor.
摘要翻译： 公开了一种在大地电磁勘测数据中消除所述地下异常的影响的方法，其中比较电阻率曲线并确定校正因子。 具有偏离平均值的电阻率曲线乘以该校正因子。
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