Lithologic Reservoirs ›› 2008, Vol. 20 ›› Issue (2): 78-82.doi: 10.3969/j.issn.1673-8926.2008.02.013

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Technology of duplex wave migr ation and its application

WANG Su   

  1. Beijing Anjiujili Technology & Trade Co. Ltd., Beijing 100088, China
  • Online:2008-06-15 Published:2008-06-15

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Abstract:

According to the forward modeling technique of wave equation, the duplex wave features of the vertical boundaries are indicated. The duplex wave migration imaging technique is studied. The results of the forward modeling and the application of this technique show that duplex wave migration enables the identification of all types
of vertical boundaries including salt walls, subtle vertical faults within the reservoir, vertical zones that exist above the oil to water contacts etc, which is a beneficial supplement for the conventional seismic processing. This technique takes a significant part in recognizing the geologic information related to the fault system and discovering the high production oil/gas zones controlled by fault and the remaining oil controlled bymicrofault.

Key words: base level cycle, strata correlation, sedimentary facies, lower part of Sha 3 member, Minfeng area

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