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Grid-characteristic Method as Optimal Tool of Fracture Formations ResearchNormal access

Authors: M. Muratov, I. Petrov and V. Leviant
Event name: Saint Petersburg 2018
Session: Seismic Imaging
Publication date: 09 April 2018
DOI: 10.3997/2214-4609.201800290
Organisations: EAGE
Language: Russian
Info: Extended abstract, PDF ( 6.56Mb )
Price: € 20

The results of numerical modeling in exploration seismology problems with use of grid-characteristic method with high score interpolation and unstructured triangle and tetrahedral meshes are represented in this report. The boundary conditions were used on surfaces of medium and fractures as on boundaries of intergational domain and took into consideration the characteristical conditions of defining equations system. Unlike wide used finite difference modeling with use of effective medium method this approach make possible to compute all heterogeneous inclusions in geological medium. This inclusions put in integration domain as boundary conditions and contact condititions. The numerical algorithms were paralleled for high performance computation systems. The modeling of wave responses from single subvertical macrofractures and their systems with similar orientation was made. Also the fractures of complex for and different orientations in space were considered. THe modeling of mesofractures formations were carried out.

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