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Abstract

For the successful application of quantitative seismic interpretation techniques, namely the prediction of lithology, porosity and potentially pore fluid from seismic data, reliable calibration well data is key. Usually, the acquisition of a sophisticated logging suite involves higher costs, and we need hard facts for their legitimation. To prove the value of a modern logging suite, a pilot project over several wells in the Orenburg area has been conducted, where the results of domestic standard logging runs with extended measurements using foreign tools were compared. In this paper, we discuss both approaches and highlight what additional information we gain from the extended measurements. Using only the standard logging suite, it is very difficult to obtain accurate lithology, porosity and acoustic impedance values. For high quality reservoir characterization, in addition to the p-wave velocity, the shear wave and the Stoneley provide extremely useful information, especially for lithology estimation and the definition of permeable reservoir intervals. We show that in order to make use of the full potential of seismic inversion techniques, the complex of modern logging curves has to be acquired at least in a number of key wells for exploration and production.

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/content/papers/10.3997/2214-4609.20142727
2013-03-25
2020-11-25
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20142727
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