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Abstract

Summary

This paper presents the application of a novel method, based Relative Geological Time (RGT) model, for the interpretation of the block K05, a large and complex zone located 120 km offshore Netherlands. The aim of this study was to understand the stratigraphic evolution of the zone, the fault network geometry and the rock properties distribution, in the reservoir level. The RGT method is a computer aided workflow using a grid, where each node is an elementary horizon patch with a constant size. The main challenge consisted in refining the model results below the salt, where the reservoir level lies, by using the well markers. A thinning attribute, derived from the model was used to delineate the stratigraphic units in the reservoir level (middle Permian). Subtle fault detection was done by using the deepest descent gradient, unseen with classical seismic attributes. The fault throw distribution, mapped onto fault planes with a very high resolution, has revealed a compartmentalisation of the reservoir level. The interpolation of acoustic impedance logs, using the RGT volume, allowed to identify heterogeneities related to fine scale gradual deposits variations, in the reservoir level.

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/content/papers/10.3997/2214-4609.20141426
2014-06-16
2024-04-18

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References

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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20141426
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Interpretation of Complex Faulted Deposits in the North Sea Using a Relative Geological Time Model
Conference Proceedings 2014, 1 (2014); https://doi.org/10.3997/2214-4609.20141426
/content/papers/10.3997/2214-4609.20141426
/content/papers/10.3997/2214-4609.20141426
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