Lithologic Reservoirs ›› 2009, Vol. 21 ›› Issue (2): 87-90.doi: 10.3969/j.issn.1673-8926.2009.02.017

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Seismic processing and logging recognition technology of volcanic reservoir in Niudong area of Santanghu Basin

LI Quansheng   

  1. Research Institute of Exploration and Development， Tuha Oilfield Company， PetroChina， Hami 839009， China
  • Online:2009-06-16 Published:2009-06-16

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Abstract:

Due to the strong nonhomogeneity of volcanic rocks, related recognition and prediction technologies are still one of the problems existing in oil and gas exploration. Based on the analysis of velocity, seismic reflection characteristics and three-instantaneous information, combined with the techniques of constrained inversion of sonic logging, the reservoir rocks in Santanghu Basin are divided into four types, including breccia, andesite, basalt and tuff. The horizontal distribution is firstly determined. The prediction of fissure reservoir is effectively carried out, which provides theoretical foundation and technological methods for the exploration and development of volcanic reservoirs.

Key words: reservoir inversion, stochastic simulation, lithology indicator simulation, reservoir prediction, porosity prediction

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