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Abstract

Summary

Point-bars in compound channels of Daqing Saertu oilfield have high remaining oil saturation at their top. Accurate characterization of these point-bars is the foundation for tapping the remaining oil potential. However, due to the low resolution of post-stack seismic data, these point-bars are rarely predicted. In this study, based on the reasoning that a point bar should have an optimal illumination azimuth because the depositional interface of a point-bar normally has a dip angle (10–20 degree) with the stratum it belongs to, OVT data processing technique is introduced to preserve azimuth and offset information of pre-stack seismic traces. Seismic traces with adjacent azimuth and offset are stacked to improve signal-to-noise ratio. Stratal slice reservoir prediction method is used to predict point-bars with all the partial stack volumes. Based on geomorphologic features, point-bars are picked up from all the stratal slices of one depositional layer and then characterized by integrating well and seismic data. Reservoir characterization results show that the series methods used in this study are effective.

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/content/papers/10.3997/2214-4609.201801598
2018-06-11
2024-04-18

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References

  1. Dakuang, Han
    . Precisely predicting abundant remaining oil and improve the secondary recovery of mature oilfields. Acta Petrolei Sinica, 2007, 28(2):73∼78.
     [Google Scholar]
  2. QiJincheng, LiJie, HaoLanying
    . 3D seismic attribute-based clastic reservoir characterization in dense well pattern zone: an example from Daqing Saertu field. SEG Technical Program Expanded Abstracts, 2013, 1:2306∼2310.
     [Google Scholar]
  3. VermeerG J O
    . Creating image gathers in the absence of proper common offset gathers. Expoloration Geophysics, 1998, 29(4): 596∼610.
     [Google Scholar]
  4. . Processing with offset-vector-slot gathers. SEG Technical Program Expanded Abstracts, 2000, 19:5∼8.
     [Google Scholar]
  5. VermeerGJO
    . Processing orthogonal geometry what is missing. SEG Technical Program Expanded Abstracts, 2005, 24: 2201∼2204.
     [Google Scholar]
  6. CaryP W
    . Common-offset-vector gather: an alternative to cross-spreads for vide-azimuth 3D surveys. Technical Program Expanded Abstracts, 1999, 18: 1496∼1499.
     [Google Scholar]
  7. CaryPW and LiX
    . Some basic imaging problems with regularly-sampled seismic data. SEG Technical Program Expanded Abstracts, 2001, 20:981∼984.
     [Google Scholar]
  8. Lingyun study group
    Lingyun study group. Application and study on wide-azimuth seismic exploration. Oil Geophysical Prospecting, 2003, 38(4):350∼357.
     [Google Scholar]
  9. DuanWensheng, LiFei, WangYanchun et al.
    Offset vector tile for wide-azimuth seismic processing. Oil Geophysical Prospecting, 2013, 48(2):206∼213.
     [Google Scholar]
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Characterization of Point-Bars in Compound Channels of Daqing Saertu Oilfield Using OVT Processing and Interpretation Te
Conference Proceedings 2018, 1 (2018); https://doi.org/10.3997/2214-4609.201801598
/content/papers/10.3997/2214-4609.201801598
/content/papers/10.3997/2214-4609.201801598
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