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83 lines
4.0 KiB
C++
83 lines
4.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2017- Statoil ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RigTransmissibilityEquations.h"
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#include "cvfBase.h"
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#include "cvfMath.h"
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#include <cmath>
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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double RigTransmissibilityEquations::peacemanRadius(double permeabilityNormalDirection1,
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double permeabilityNormalDirection2,
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double cellSizeNormalDirection1,
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double cellSizeNormalDirection2)
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{
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double numerator = cvf::Math::sqrt(
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pow(cellSizeNormalDirection2, 2) * pow(permeabilityNormalDirection1 / permeabilityNormalDirection2, 1 / 2)
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+ pow(cellSizeNormalDirection1, 2) * pow(permeabilityNormalDirection2 / permeabilityNormalDirection1, 1 / 2));
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double denominator = pow((permeabilityNormalDirection1 / permeabilityNormalDirection2), 1 / 4)
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+ pow((permeabilityNormalDirection2 / permeabilityNormalDirection1), 1 / 4);
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double r0 = 0.28 * numerator / denominator;
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return r0;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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double RigTransmissibilityEquations::wellBoreTransmissibilityComponent(double cellPerforationVectorComponent,
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double permeabilityNormalDirection1,
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double permeabilityNormalDirection2,
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double cellSizeNormalDirection1,
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double cellSizeNormalDirection2,
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double wellRadius,
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double skinFactor,
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double cDarcyForRelevantUnit)
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{
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double K = cvf::Math::sqrt(permeabilityNormalDirection1 * permeabilityNormalDirection2);
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double nominator = cDarcyForRelevantUnit * 2 * cvf::PI_D * K * cellPerforationVectorComponent;
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double peaceManRad = peacemanRadius(permeabilityNormalDirection1,
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permeabilityNormalDirection2,
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cellSizeNormalDirection1,
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cellSizeNormalDirection2);
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double denominator = log(peaceManRad / wellRadius) + skinFactor;
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double trans = nominator / denominator;
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return trans;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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double RigTransmissibilityEquations::totalConnectionFactor(double transX, double transY, double transZ)
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{
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return cvf::Math::sqrt(
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pow(transX, 2.0) + pow(transY, 2.0) + pow(transZ, 2));
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}
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