China National Petroleum Corporation

Bc-P Inc., China National Petroleum Corporation

Weibin Sun

Zhanxiang He

Yongtao Wang

Zuzhi Hu

Weifeng Luo

Deqiang Tao

Yue Zhang

Disclosed herein is a three dimensional small bin electromagnetic consecutive array data acquisition method used in oil exploration comprising the steps of recording data using small bin lattices on execution of arrangement electrodes, each acquisition station (E, E) records the natural electromagnetic field time series data with the same acquisition parameter simultaneously; interference is removed first, for recorded data processing to get interference-free data; for border points and center point, the recording point serves as center point, and the same component from adjacent two points to total points area added together to obtain the average value of electric field data at time domain for each observation point; for corner points, the average values of the same electric field component from adjacent two points to total survey points toward bin direction is calculated; the electric field components acquired in maximum space serve as the new electric field values respectively; new time series data acquired in which the noise and the static shift effect have been suppressed, and apparent resistivity and phase curves of each point are acquired after processing with conventional method.

Data acquisition method with a three dimensional small bin electromagnetic consecutive array

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Zhuozhou, China

Weibin Sun