Fault facies modeling: Technique and approach for 3-D conditioning and modeling of faulted grids

Fredman, N.; Tveranger, Jan; Cardozo, Néstor; Braathen, Alvar; Soleng, Harald H.; Røe, Per; Skorstad, A.; Syversveen, Anne Randi

doi:10.1306/06090807073

Cited by 37 publications

(18 citation statements)

References 39 publications

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“…The aim of the present work is to describe a method for generating 3D fault zone grids enclosing fault traces in corner-point grids with pillar fault representation which can subsequently be populated with fault zone structural elements and their petrophysical properties. This has also been addressed in previous works (Fachri et al, 2011;Fredman et al, 2008Fredman et al, , 2007Soleng et al, 2007;Syversveen et al, 2006). As not all reservoir modeling tools support facies and petrophysical modeling on locally refined grids (e.g.…”

Section: Introductionmentioning

confidence: 82%

“…The feasibility of using pixel-based and object-based simulation methods to populate fault zone grids with fault facies has been demonstrated in several previous studies (e.g. Fachri et al, 2013aFachri et al, , 2013bFachri et al, , 2011Fredman et al, 2008;Soleng et al, 2007;Syversveen et al, 2006).…”

Section: Fault Zone Modeling Issuesmentioning

confidence: 97%

“…This additional volume can be filled according to user preference, e.g. with non-permeable properties or lithology and petrophysical properties related to the layers overlying and underlying the interval of interest (Fredman et al, 2008).…”

Section: Fault Zone Modeling Issuesmentioning

confidence: 99%

“…Although offering a pragmatic solution to a complex problem, the fundamental shortcomings and limitations of this approach have been pointed out by several workers (Fredman et al, 2008;Manzocchi et al, 2010Manzocchi et al, , 2008Tueckmantel et al, 2012;Tveranger et al, 2005). These methods are restricted by the convention of representing complex fault zones, which are essentially 3D geological features, as membranes.…”

Section: Introductionmentioning

confidence: 99%

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A method for generating volumetric fault zone grids for pillar gridded reservoir models

Røe

Tveranger

2015

Computers & Geosciences

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a b s t r a c tThe internal structure and petrophysical property distribution of fault zones are commonly exceedingly complex compared to the surrounding host rock from which they are derived. This in turn produces highly complex fluid flow patterns which affect petroleum migration and trapping as well as reservoir behavior during production and injection. Detailed rendering and forecasting of fluid flow inside fault zones require high-resolution, explicit models of fault zone structure and properties. A fundamental requirement for achieving this is the ability to create volumetric grids in which modeling of fault zone structures and properties can be performed. Answering this need, a method for generating volumetric fault zone grids which can be seamlessly integrated into existing standard reservoir modeling tools is presented. The algorithm has been tested on a wide range of fault configurations of varying complexity, providing flexible modeling grids which in turn can be populated with fault zone structures and properties.

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Section: Introductionmentioning

confidence: 82%

Section: Fault Zone Modeling Issuesmentioning

confidence: 97%

Section: Fault Zone Modeling Issuesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A method for generating volumetric fault zone grids for pillar gridded reservoir models

Røe

Tveranger

2015

Computers & Geosciences

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“…This approach was followed by [16] and [15], who used volumetric small cells with high permeabilities to represent the faults. In the same framework of volumetric modeling, [13] proposed an approach for building and populating the fault zone grid that accounts for its 3D architecture. Although accurate, volumetric fault modeling is computationally expensive and requires appropriate mesh builders.…”

Section: Introductionmentioning

confidence: 99%

A model for conductive faults with non-matching grids

Tunc

Faille

Gallouët³

et al. 2011

Comput Geosci

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In this paper, we are interested in modeling single-phase flow in a porous medium with known faults seen as interfaces. We mainly focus on how to handle non-matching grids problems arising from rock displacement along the fault. We describe a model that can be extended to multi-phase flow where faults are treated as interfaces. The model is validated in an academic framework and is then extended to 3D non K-orthogonal grids, and a realistic case is presented.

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