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https://github.com/OPM/ResInsight.git
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354 lines
16 KiB
C++
354 lines
16 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2019- Equinor 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 "RifReaderEnsembleStatisticsRft.h"
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#include "RiaExtractionTools.h"
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#include "RigEclipseWellLogExtractor.h"
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#include "RigStatisticsMath.h"
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#include "RigWellPath.h"
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#include "RimSummaryCase.h"
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#include "RimSummaryCaseCollection.h"
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#include "RimTools.h"
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#include "cafAssert.h"
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RifReaderEnsembleStatisticsRft::RifReaderEnsembleStatisticsRft( const RimSummaryCaseCollection* summaryCaseCollection,
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RimEclipseCase* eclipseCase )
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: m_summaryCaseCollection( summaryCaseCollection )
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, m_eclipseCase( eclipseCase )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::set<RifEclipseRftAddress> RifReaderEnsembleStatisticsRft::eclipseRftAddresses()
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{
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if ( !m_summaryCaseCollection ) return {};
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std::set<RifEclipseRftAddress> allAddresses;
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for ( auto summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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if ( summaryCase->rftReader() )
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{
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std::set<RifEclipseRftAddress> addresses = summaryCase->rftReader()->eclipseRftAddresses();
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allAddresses.insert( addresses.begin(), addresses.end() );
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}
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}
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std::set<RifEclipseRftAddress> statisticsAddresses;
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for ( const RifEclipseRftAddress& regularAddress : allAddresses )
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{
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if ( regularAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::TVD )
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{
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statisticsAddresses.insert( regularAddress );
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}
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else if ( regularAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::PRESSURE )
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{
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std::set<RifEclipseRftAddress::RftWellLogChannelType> statChannels = { RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_P10,
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RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_P50,
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RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_P90,
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RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_MEAN };
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for ( auto channel : statChannels )
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{
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statisticsAddresses.insert(
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RifEclipseRftAddress::createAddress( regularAddress.wellName(), regularAddress.timeStep(), channel ) );
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}
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}
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}
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return statisticsAddresses;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RifReaderEnsembleStatisticsRft::values( const RifEclipseRftAddress& rftAddress, std::vector<double>* values )
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{
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if ( !m_summaryCaseCollection ) return;
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CAF_ASSERT( rftAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::MD ||
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rftAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::TVD ||
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rftAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_MEAN ||
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rftAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_P10 ||
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rftAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_P50 ||
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rftAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_P90 ||
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rftAddress.wellLogChannel() == RifEclipseRftAddress::RftWellLogChannelType::PRESSURE_ERROR );
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auto it = m_cachedValues.find( rftAddress );
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if ( it == m_cachedValues.end() )
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{
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calculateStatistics( rftAddress.wellName(), rftAddress.timeStep() );
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}
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*values = m_cachedValues[rftAddress];
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::set<QDateTime> RifReaderEnsembleStatisticsRft::availableTimeSteps( const QString& wellName )
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{
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if ( !m_summaryCaseCollection ) return {};
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std::set<QDateTime> allTimeSteps;
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for ( auto summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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if ( summaryCase->rftReader() )
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{
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std::set<QDateTime> timeSteps = summaryCase->rftReader()->availableTimeSteps( wellName );
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allTimeSteps.insert( timeSteps.begin(), timeSteps.end() );
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}
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}
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return allTimeSteps;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::set<QDateTime> RifReaderEnsembleStatisticsRft::availableTimeSteps( const QString& wellName,
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const RifEclipseRftAddress::RftWellLogChannelType& wellLogChannelName )
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{
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if ( !m_summaryCaseCollection ) return {};
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std::set<QDateTime> allTimeSteps;
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for ( auto summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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if ( summaryCase->rftReader() )
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{
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std::set<QDateTime> timeSteps = summaryCase->rftReader()->availableTimeSteps( wellName, wellLogChannelName );
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allTimeSteps.insert( timeSteps.begin(), timeSteps.end() );
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}
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}
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return allTimeSteps;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::set<QDateTime>
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RifReaderEnsembleStatisticsRft::availableTimeSteps( const QString& wellName,
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const std::set<RifEclipseRftAddress::RftWellLogChannelType>& relevantChannels )
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{
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if ( !m_summaryCaseCollection ) return {};
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std::set<QDateTime> allTimeSteps;
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for ( auto summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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if ( summaryCase->rftReader() )
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{
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std::set<QDateTime> timeSteps = summaryCase->rftReader()->availableTimeSteps( wellName, relevantChannels );
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allTimeSteps.insert( timeSteps.begin(), timeSteps.end() );
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}
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}
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return allTimeSteps;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::set<RifEclipseRftAddress::RftWellLogChannelType> RifReaderEnsembleStatisticsRft::availableWellLogChannels( const QString& wellName )
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{
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if ( !m_summaryCaseCollection ) return {};
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std::set<RifEclipseRftAddress::RftWellLogChannelType> allWellLogChannels;
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for ( auto summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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if ( summaryCase->rftReader() )
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{
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std::set<RifEclipseRftAddress::RftWellLogChannelType> wellLogChannels =
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summaryCase->rftReader()->availableWellLogChannels( wellName );
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allWellLogChannels.insert( wellLogChannels.begin(), wellLogChannels.end() );
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}
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}
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return allWellLogChannels;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::set<QString> RifReaderEnsembleStatisticsRft::wellNames()
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{
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if ( !m_summaryCaseCollection ) return {};
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std::set<QString> allWellNames;
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for ( auto summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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if ( summaryCase->rftReader() )
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{
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std::set<QString> wellNames = summaryCase->rftReader()->wellNames();
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allWellNames.insert( wellNames.begin(), wellNames.end() );
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}
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}
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return allWellNames;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RifReaderEnsembleStatisticsRft::calculateStatistics( const QString& wellName, const QDateTime& timeStep )
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{
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if ( !m_summaryCaseCollection ) return;
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using ChannelType = RifEclipseRftAddress::RftWellLogChannelType;
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RifEclipseRftAddress pressAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::PRESSURE );
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RifEclipseRftAddress tvdAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::TVD );
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RigEclipseWellLogExtractor* extractor = RiaExtractionTools::findOrCreateWellLogExtractor( wellName, m_eclipseCase );
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if ( extractor )
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{
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// Create a well log extractor if a well path and an Eclipse case is defined
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// Use the extractor to compute measured depth for RFT cells
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// The TVD values is extracted from the first summary case
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RifEclipseRftAddress mdAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::MD );
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RiaCurveMerger<double> curveMerger;
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RiaWeightedMeanCalculator<size_t> dataSetSizeCalc;
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for ( RimSummaryCase* summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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auto reader = summaryCase->rftReader();
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if ( !reader ) continue;
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std::vector<double> pressures;
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reader->values( pressAddress, &pressures );
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std::vector<double> measuredDepths = reader->computeMeasuredDepth( wellName, timeStep, extractor );
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if ( !measuredDepths.empty() && !pressures.empty() )
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{
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dataSetSizeCalc.addValueAndWeight( measuredDepths.size(), 1.0 );
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curveMerger.addCurveData( measuredDepths, pressures );
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}
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}
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extractStatisticsFromCurveMerger( wellName, timeStep, mdAddress, curveMerger, dataSetSizeCalc, extractor->wellPathGeometry() );
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}
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else
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{
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// Compute statistics based on TVD depths. No measured depth can be estimated.
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// This concept works well for vertical wells, but does not work for horizontal wells.
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RiaCurveMerger<double> curveMerger;
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RiaWeightedMeanCalculator<size_t> dataSetSizeCalc;
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RifEclipseRftAddress tvdAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::TVD );
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for ( RimSummaryCase* summaryCase : m_summaryCaseCollection->allSummaryCases() )
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{
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auto reader = summaryCase->rftReader();
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if ( !reader ) continue;
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std::vector<double> pressures;
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reader->values( pressAddress, &pressures );
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std::vector<double> tvdDepths;
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reader->values( tvdAddress, &tvdDepths );
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if ( !tvdDepths.empty() && !pressures.empty() )
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{
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dataSetSizeCalc.addValueAndWeight( tvdDepths.size(), 1.0 );
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curveMerger.addCurveData( tvdDepths, pressures );
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}
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}
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extractStatisticsFromCurveMerger( wellName, timeStep, tvdAddress, curveMerger, dataSetSizeCalc, nullptr );
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}
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}
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//--------------------------------------------------------------------------------------------------
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/// Compute statistics for values, either based on measured depth or TVD
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//--------------------------------------------------------------------------------------------------
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void RifReaderEnsembleStatisticsRft::extractStatisticsFromCurveMerger( const QString& wellName,
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const QDateTime& timeStep,
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RifEclipseRftAddress depthAddress,
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RiaCurveMerger<double>& curveMerger,
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RiaWeightedMeanCalculator<size_t>& dataSetSizeCalc,
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const RigWellPath* wellPathGeometry )
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{
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using ChannelType = RifEclipseRftAddress::RftWellLogChannelType;
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CAF_ASSERT( depthAddress.wellLogChannel() == ChannelType::MD || depthAddress.wellLogChannel() == ChannelType::TVD );
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auto p10Address = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::PRESSURE_P10 );
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auto p50Address = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::PRESSURE_P50 );
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auto p90Address = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::PRESSURE_P90 );
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auto meanAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::PRESSURE_MEAN );
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clearCache( wellName, timeStep );
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curveMerger.computeInterpolatedValues( false );
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const std::vector<double>& allDepths = curveMerger.allXValues();
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if ( !allDepths.empty() )
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{
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// Make sure we end up with approximately the same amount of points as originally
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// Since allDepths contain *valid* values, it can potentially be smaller than the mean.
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// Thus we need to ensure sizeMultiplier is at least 1.
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size_t sizeMultiplier = std::max( (size_t)1, allDepths.size() / dataSetSizeCalc.weightedMean() );
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for ( size_t depthIdx = 0; depthIdx < allDepths.size(); depthIdx += sizeMultiplier )
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{
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std::vector<double> pressuresAtDepth;
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pressuresAtDepth.reserve( curveMerger.curveCount() );
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for ( size_t curveIdx = 0; curveIdx < curveMerger.curveCount(); ++curveIdx )
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{
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const std::vector<double>& curvePressures = curveMerger.interpolatedYValuesForAllXValues( curveIdx );
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pressuresAtDepth.push_back( curvePressures[depthIdx] );
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}
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double p10, p50, p90, mean;
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RigStatisticsMath::calculateStatisticsCurves( pressuresAtDepth, &p10, &p50, &p90, &mean, RigStatisticsMath::PercentileStyle::SWITCHED );
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m_cachedValues[depthAddress].push_back( allDepths[depthIdx] );
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if ( wellPathGeometry && ( depthAddress.wellLogChannel() == ChannelType::MD ) )
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{
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// Compute corresponding TVD for given MD
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auto tvdAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, ChannelType::TVD );
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auto tvdDepth = wellPathGeometry->interpolatedPointAlongWellPath( allDepths[depthIdx] );
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m_cachedValues[tvdAddress].push_back( -tvdDepth.z() );
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}
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if ( p10 != HUGE_VAL ) m_cachedValues[p10Address].push_back( p10 );
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if ( p50 != HUGE_VAL ) m_cachedValues[p50Address].push_back( p50 );
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if ( p90 != HUGE_VAL ) m_cachedValues[p90Address].push_back( p90 );
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if ( mean != HUGE_VAL ) m_cachedValues[meanAddress].push_back( mean );
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RifReaderEnsembleStatisticsRft::clearCache( const QString& wellName, const QDateTime& timeStep )
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{
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for ( auto it = m_cachedValues.begin(); it != m_cachedValues.end(); )
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{
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if ( it->first.wellName() == wellName && it->first.timeStep() == timeStep )
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{
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it = m_cachedValues.erase( it );
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}
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else
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{
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++it;
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}
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}
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}
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