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Large-Array 3D-VSP and Full-Azimuth 3D Surface Seismic Simultaneous Acquisition Survey Design

C.W. Liu, G. Xu, Y.P. Li, Ki‐mook Kang, Huiyuan Liang

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Abstract

Along with the VSP technique developing ceaselessly, especially with the advancing of manufacturing engineering of downhole geophone and the data processing level, 3D-VSP survey has become feasible. As a strong support for performing 3D-VSP survey, application of large-array downhole geophones will form a tendency. BGP and Daqing Oilfield Company in CNPC have performed a large-array 3D-VSP and full-azimuth 3D surface-seismic simultaneous acquisition test jointly aiming at the volcanic geologic body, through which, a study has been made in the view of geophysical parameter extraction, high-resolution imaging and reservoir description. This paper illustrates the design of this method taking the Xushen 21-1 in Daqing as an example.

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What this paper is about

Along with the VSP technique developing ceaselessly, especially with the advancing of manufacturing engineering of downhole geophone and the data processing level, 3D-VSP survey has become feasible. As a strong support for performing 3D-VSP survey, application of large-array downhole geophones will form a tendency. BGP and Daqing Oilfield Company in CNPC have performed a large-array 3D-VSP and full-azimuth 3D surface-seismic simultaneous acquisition test jointly aiming at the volcanic geologic body, through which, a study has been made in the view of geophysical parameter extraction, high-resolution imaging and reservoir description. This paper illustrates the design of this method taking the Xushen 21-1 in Daqing as an example.

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Available abstract

Along with the VSP technique developing ceaselessly, especially with the advancing of manufacturing engineering of downhole geophone and the data processing level, 3D-VSP survey has become feasible. As a strong support for performing 3D-VSP survey, application of large-array downhole geophones will form a tendency. BGP and Daqing Oilfield Company in CNPC have performed a large-array 3D-VSP and full-azimuth 3D surface-seismic simultaneous acquisition test jointly aiming at the volcanic geologic body, through which, a study has been made in the view of geophysical parameter extraction, high-resolution imaging and reservoir description. This paper illustrates the design of this method taking the Xushen 21-1 in Daqing as an example.

Key concepts: Geophone, Seismic survey, Azimuth, Vertical seismic profile, Geology, Data acquisition, Seismology, Survey research

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