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#6216 Fracture Model: Add curve for Initial Stress.

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This commit is contained in:
Kristian Bendiksen
2020-09-17 13:40:26 +02:00
parent d2fb79b7a4
commit db269450e9
7 changed files with 87 additions and 42 deletions
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35
ApplicationCode/ProjectDataModel/RimFractureModelPlot.cpp
View File

@@ -379,10 +379,23 @@ std::vector<double> RimFractureModelPlot::calculateStress() const
{
std::vector<double> stress;
std::vector<double> stressGradients;
calculateStressWithGradients( stress, stressGradients );
std::vector<double> initialStress;
calculateStressWithGradients( stress, stressGradients, initialStress );
return stress;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::vector<double> RimFractureModelPlot::calculateInitialStress() const
{
std::vector<double> stress;
std::vector<double> stressGradients;
std::vector<double> initialStress;
calculateStressWithGradients( stress, stressGradients, initialStress );
return initialStress;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
@@ -402,7 +415,8 @@ std::vector<double> RimFractureModelPlot::findCurveXValuesByProperty( RiaDefines
///
//--------------------------------------------------------------------------------------------------
bool RimFractureModelPlot::calculateStressWithGradients( std::vector<double>& stress,
std::vector<double>& stressGradients ) const
std::vector<double>& stressGradients,
std::vector<double>& initialStress ) const
{
// Reference stress
const double verticalStressRef = m_fractureModel->verticalStress();
@@ -468,6 +482,8 @@ bool RimFractureModelPlot::calculateStressWithGradients( std::vector<double>& st
double depletionStress = Sh_init + deltaHorizontalStress;
stress.push_back( RiaEclipseUnitTools::barToPsi( depletionStress ) );
initialStress.push_back( RiaEclipseUnitTools::barToPsi( Sh_init ) );
// Cache some results for the gradients calculation
stressForGradients.push_back( Sv );
pressureForGradients.push_back( initialPressure );
@@ -493,12 +509,12 @@ bool RimFractureModelPlot::calculateStressWithGradients( std::vector<double>& st
// Second pass to calculate the stress gradients
for ( size_t i = 0; i < layerBoundaryDepths.size(); i++ )
{
double diffStress = stressForGradients[i + 1] - stressForGradients[i];
double diffPressure = pressureForGradients[i + 1] - pressureForGradients[i];
double diffDepth = depthForGradients[i + 1] - depthForGradients[i];
double k0 = findValueAtTopOfLayer( k0Data, layerBoundaryIndexes, i );
double gradient = ( diffStress * k0 + diffPressure * ( 1.0 - k0 ) ) / diffDepth;
stressGradients.push_back( RiaEclipseUnitTools::barPerMeterToPsiPerFeet( gradient ) );
double diffStress = stressForGradients[i + 1] - stressForGradients[i];
double diffPressure = pressureForGradients[i + 1] - pressureForGradients[i];
double diffDepth = depthForGradients[i + 1] - depthForGradients[i];
double k0 = findValueAtTopOfLayer( k0Data, layerBoundaryIndexes, i );
double stressGradient = ( diffStress * k0 + diffPressure * ( 1.0 - k0 ) ) / diffDepth;
stressGradients.push_back( RiaEclipseUnitTools::barPerMeterToPsiPerFeet( stressGradient ) );
}
return true;
@@ -511,7 +527,8 @@ std::vector<double> RimFractureModelPlot::calculateStressGradient() const
{
std::vector<double> stress;
std::vector<double> stressGradients;
calculateStressWithGradients( stress, stressGradients );
std::vector<double> initialStress;
calculateStressWithGradients( stress, stressGradients, initialStress );
return stressGradients;
}

5
ApplicationCode/ProjectDataModel/RimFractureModelPlot.h
View File

@@ -49,6 +49,7 @@ public:
std::vector<double> calculateHorizontalPermeability() const;
std::vector<double> calculateReservoirPressure() const;
std::vector<double> calculateStress() const;
std::vector<double> calculateInitialStress() const;
std::vector<double> calculateStressGradient() const;
std::vector<double> calculateYoungsModulus() const;
std::vector<double> calculatePoissonsRatio() const;
@@ -73,7 +74,9 @@ protected:
void calculateLayers( std::vector<std::pair<double, double>>& layerBoundaryDepths,
std::vector<std::pair<size_t, size_t>>& layerBoundaryIndexes ) const;
RimWellLogExtractionCurve* findCurveByProperty( RiaDefines::CurveProperty curveProperty ) const;
bool calculateStressWithGradients( std::vector<double>& stress, std::vector<double>& stressGradients ) const;
bool calculateStressWithGradients( std::vector<double>& stress,
std::vector<double>& stressGradients,
std::vector<double>& initialStress ) const;
static double findValueAtTopOfLayer( const std::vector<double>& values,
const std::vector<std::pair<size_t, size_t>>& layerBoundaryIndexes,

6
ApplicationCode/ProjectDataModel/RimFractureModelStressCurve.cpp
View File

@@ -128,6 +128,12 @@ void RimFractureModelStressCurve::performDataExtraction( bool* isUsingPseudoLeng
std::vector<double> stressGradients = fractureModelPlot->calculateStressGradient();
addDatapointsForBottomOfLayers( tvDepthValues, values, stressGradients );
}
else if ( m_curveProperty() == RiaDefines::CurveProperty::INITIAL_STRESS )
{
values = fractureModelPlot->calculateInitialStress();
std::vector<double> stressGradients = fractureModelPlot->calculateStressGradient();
addDatapointsForBottomOfLayers( tvDepthValues, values, stressGradients );
}
else if ( m_curveProperty() == RiaDefines::CurveProperty::STRESS_GRADIENT )
{
values = fractureModelPlot->calculateStressGradient();