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Abstract

Summary

Ultra-deep 3D EM inversion provides high-resolution 3D reservoir imaging that can be used for real-time operational decision making and as a complementary tool for reservoir modelling and geophysical surveillance. Subtle, fine scale mapping of internal reservoir architectural elements is now possible. Significant improvements in overall imaging quality compared to 1D and 2D inversion canvases can be observed in dipping stratigraphy or where there is some degree of reservoir complexity. The real-time functionality also provides this 3D data in time to support completions optimization decisions where required.

Correlation of multiwell 3D EM datasets against 3D seismic provides the basis for a consistent geological interpretation at field scale. Reservoir characteristics and mechanisms such as compensational stacking and lateral channel migration could previously only be inferred from reservoir modelling studies but now can be directly imaged in real-time.

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/content/papers/10.3997/2214-4609.2021624018
2021-11-02
2024-03-29
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References

  1. T.McHargue, M.J.Pyrcz, M.D.Sullivan, J.D.Clark, A.Fildani, B.W.Romans, J.A.Covault, M.Levy, H.W.Posamentier, N.J.Drinkwater
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