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Research and implementation of automatic processing and mapping software for multi-type seismic data |
SHEN Dong-Yi1( ), YUAN Qiu-Xia1( ), ZHANG Jie1, LI Hui-Di2 |
1. Tianjin Branch of CNOOC Ltd.,Tianjin 300459,China 2. CNOOC Energy Development Co.,Ltd.,Engineering Technology Branch,Tianjin 300459,China |
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Abstract Structural interpretation based on seismic data is a critical task in geophysical research,and the results are mainly manifested as contour maps.However,most imported seismic interpretation systems used in the petroleum industry of China fail to provide contour maps that meet national,industrial,or enterprise standards, making post-processing necessary for the resultant contour maps using independent mapping software.The post-processing process involves many human-computer interactions,with the time for mapping accounting for about 20% of that for seismic interpretation.Therefore,based on the existing software and the types of data to be processed (contours,faults,and three-dimensional grids),this study proposed an automatic processing and mapping algorithm for multi-type seismic data.Furthermore,it designed the automatic mapping software for the integrated processing of various data of maps to be interpreted.The software can achieve one-click export of data of a GeoFrame working area and the automatic processing of multi-type data such as contours,faults,and grids,greatly simplifying the seismic data processing flow in the mapping process.Presently,the software has been widely used in practical production projects,improving the mapping efficiency by about 90% and effectively reducing the mapping error rate.
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Received: 31 August 2023
Published: 23 January 2024
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Flow chart method based on automatic proces of multi-type seismic data
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Schematic diagram of relationship between isoline and fault location
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Comparison of contour depth between two panels
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Flow chart of cutting survey network
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方法 | 数据类别 | 评价指标 | 总工时 | 平均工时 | 操作步骤 | 平均处理率 | 最优处理率 | 传统方法 | 总数据 | 116小时 | 11.6小时 | 8670次 | - | - | 等值线 | - | - | - | 100% | 100% | 断层 | - | - | - | 100% | 100% | 本文+人工查错编辑 | 总数据 | 8小时 | 0.8小时 | 150次 | - | - | 等值线 | - | - | - | 100% | 100% | 断层 | - | - | - | 95.4% +人工 | 98.6% +人工 |
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Comparison of experimental results of traditional drawing method and mapping method based on new algorithm
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Software function module
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Software design framework diagram
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Software main interface diagram and data export interface
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Original data display of a layer in an oilfield in Bohai Sea
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Display of contour processing effect
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Fault treatment effect display diagram
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Picture processing effect display
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