Gas chimney is a special geological phenomenon which is closely related to oil and gas generation and migration.The gas chimney recognition research on the seismic data contributes to the fault sealing, hydrocarbon migration and accumulation mode research.The gas chimney identification technology based on steering cube uses the dip and azimuth information for the identification of gas chimney.Combined with a supervised neural network analysis method, the technology extracts the seismic attribute combination which can reflect the prominent gas chimney seismic anomaly body.Compared with the previous method, this method has the advantages of high accuracy and efficiency.This method was applied to the Bohai A oilfield, and the research on the field hydrocarbon migration and accumulation mode was preferably completed, which laid the foundation for the growth of oil reserves. In addition, the authors conducted the risk analysis of the closed fault in the Bohai A oilfield, thus ensuring the drilling safety.
高磊, 陈文雄, 薛明星. 渤海A油田气烟囱识别及其研究意义[J]. 物探与化探, 2016, 40(4): 675-680.
GAO Lei, CHEN Wen-Xiong, XUE Ming-Xing. The identification of gas chimney in Bohai A oilfield and its implications. Geophysical and Geochemical Exploration, 2016, 40(4): 675-680.
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