1887

Abstract

Summary

Carbonate rock reservoirs can be complex and difficult to model. Different processes can affect porosity and permeability during and after deposition. Post deposition process includes diagenesis ( ) and deformation related to faults and bending ( ). Most of the reservoirs are somehow deformed due to multiple processes that occurs in geological time. In carbonate rocks this deformation can act opening or closing fractures, generating conducts or baffles that controls fluids flow behaviour ( ). Because of this impact, modelling 3-D fracture networks has become a critical step for fluid flow simulation. In this paper, it is proposed the use of an advanced workflow which incorporates natural fracture prediction techniques blending with structural restoration and geomechanical forward modelling concepts to evaluate the fractures distribution and then use it to build a fracture model to a giant oil field in Campos Basin, Brazil. The studied reservoir consists mostly of oolitic grainstones from Quissamã Formation deposited on a carbonate platform similar to the rocks described by . The reservoir structure is a raft generated by the carbonate platform break above the moving salt ( ).

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/content/papers/10.3997/2214-4609.201902332
2019-09-08
2020-03-31
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