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371 lines
15 KiB
C++
371 lines
15 KiB
C++
/*
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Copyright 2012 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM 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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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_WELLSTATE_HEADER_INCLUDED
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#define OPM_WELLSTATE_HEADER_INCLUDED
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#include <opm/core/props/BlackoilPhases.hpp>
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#include <opm/output/data/Wells.hpp>
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#include <opm/parser/eclipse/EclipseState/Schedule/Well/Well.hpp>
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#include <opm/simulators/wells/PerforationData.hpp>
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#include <array>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include <cassert>
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#include <cstddef>
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namespace Opm
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{
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/// The state of a set of wells.
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class WellState
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{
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public:
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typedef std::array< int, 3 > mapentry_t;
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typedef std::map< std::string, mapentry_t > WellMapType;
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/// Allocate and initialize if wells is non-null.
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/// Also tries to give useful initial values to the bhp() and
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/// wellRates() fields, depending on controls. The
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/// perfRates() field is filled with zero, and perfPress()
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/// with -1e100.
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void init(const std::vector<double>& cellPressures,
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const std::vector<Well>& wells_ecl,
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const PhaseUsage& pu,
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const std::vector<std::vector<PerforationData>>& well_perf_data,
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const SummaryState& summary_state)
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{
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// clear old name mapping
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wellMap_.clear();
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well_perf_data_ = well_perf_data;
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{
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// const int nw = wells->number_of_wells;
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const int nw = wells_ecl.size();
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// const int np = wells->number_of_phases;
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const int np = pu.num_phases;
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np_ = np;
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open_for_output_.assign(nw, true);
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bhp_.resize(nw, 0.0);
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thp_.resize(nw, 0.0);
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temperature_.resize(nw, 273.15 + 20); // standard temperature for now
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wellrates_.resize(nw * np, 0.0);
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int connpos = 0;
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for (int w = 0; w < nw; ++w) {
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const Well& well = wells_ecl[w];
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// Initialize bhp(), thp(), wellRates().
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initSingleWell(cellPressures, w, well, pu, summary_state);
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// Setup wellname -> well index mapping.
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const int num_perf_this_well = well_perf_data[w].size();
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std::string name = well.name();
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assert( name.size() > 0 );
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mapentry_t& wellMapEntry = wellMap_[name];
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wellMapEntry[ 0 ] = w;
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wellMapEntry[ 1 ] = connpos;
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wellMapEntry[ 2 ] = num_perf_this_well;
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connpos += num_perf_this_well;
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}
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// The perforation rates and perforation pressures are
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// not expected to be consistent with bhp_ and wellrates_
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// after init().
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perfrates_.resize(connpos, 0.0);
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perfpress_.resize(connpos, -1e100);
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}
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}
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/// One bhp pressure per well.
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std::vector<double>& bhp() { return bhp_; }
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const std::vector<double>& bhp() const { return bhp_; }
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/// One thp pressure per well.
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std::vector<double>& thp() { return thp_; }
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const std::vector<double>& thp() const { return thp_; }
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/// One temperature per well.
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std::vector<double>& temperature() { return temperature_; }
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const std::vector<double>& temperature() const { return temperature_; }
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/// One rate per well and phase.
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std::vector<double>& wellRates() { return wellrates_; }
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const std::vector<double>& wellRates() const { return wellrates_; }
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/// One rate per well connection.
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std::vector<double>& perfRates() { return perfrates_; }
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const std::vector<double>& perfRates() const { return perfrates_; }
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/// One pressure per well connection.
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std::vector<double>& perfPress() { return perfpress_; }
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const std::vector<double>& perfPress() const { return perfpress_; }
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size_t getRestartBhpOffset() const {
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return 0;
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}
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size_t getRestartPerfPressOffset() const {
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return bhp_.size();
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}
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size_t getRestartPerfRatesOffset() const {
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return getRestartPerfPressOffset() + perfpress_.size();
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}
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size_t getRestartTemperatureOffset() const {
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return getRestartPerfRatesOffset() + perfrates_.size();
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}
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size_t getRestartWellRatesOffset() const {
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return getRestartTemperatureOffset() + temperature_.size();
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}
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const WellMapType& wellMap() const { return wellMap_; }
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WellMapType& wellMap() { return wellMap_; }
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/// The number of wells present.
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int numWells() const
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{
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return bhp().size();
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}
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/// The number of phases present.
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int numPhases() const
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{
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return np_;
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}
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virtual void shutWell(int well_index) {
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this->open_for_output_[well_index] = false;
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this->thp_[well_index] = 0;
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this->bhp_[well_index] = 0;
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const int np = numPhases();
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for (int p = 0; p < np; ++p)
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this->wellrates_[np * well_index + p] = 0;
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}
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virtual data::Wells report(const PhaseUsage& pu, const int* globalCellIdxMap) const
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{
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using rt = data::Rates::opt;
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data::Wells dw;
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for( const auto& itr : this->wellMap_ ) {
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const auto well_index = itr.second[ 0 ];
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if (!this->open_for_output_[well_index])
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continue;
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auto& well = dw[ itr.first ];
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well.bhp = this->bhp().at( well_index );
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well.thp = this->thp().at( well_index );
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well.temperature = this->temperature().at( well_index );
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const auto wellrate_index = well_index * pu.num_phases;
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const auto& wv = this->wellRates();
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if( pu.phase_used[BlackoilPhases::Aqua] ) {
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well.rates.set( rt::wat, wv[ wellrate_index + pu.phase_pos[BlackoilPhases::Aqua] ] );
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}
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if( pu.phase_used[BlackoilPhases::Liquid] ) {
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well.rates.set( rt::oil, wv[ wellrate_index + pu.phase_pos[BlackoilPhases::Liquid] ] );
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}
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if( pu.phase_used[BlackoilPhases::Vapour] ) {
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well.rates.set( rt::gas, wv[ wellrate_index + pu.phase_pos[BlackoilPhases::Vapour] ] );
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}
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const int num_perf_well = this->well_perf_data_[well_index].size();
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well.connections.resize(num_perf_well);
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for( int i = 0; i < num_perf_well; ++i ) {
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const auto active_index = this->well_perf_data_[well_index][i].cell_index;
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auto& connection = well.connections[ i ];
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connection.index = globalCellIdxMap[active_index];
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connection.pressure = this->perfPress()[ itr.second[1] + i ];
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connection.reservoir_rate = this->perfRates()[ itr.second[1] + i ];
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}
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assert(num_perf_well == int(well.connections.size()));
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}
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return dw;
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}
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virtual ~WellState() = default;
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WellState() = default;
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WellState(const WellState& rhs) = default;
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WellState& operator=(const WellState& rhs) = default;
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private:
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std::vector<double> bhp_;
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std::vector<double> thp_;
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std::vector<double> temperature_;
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std::vector<double> wellrates_;
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std::vector<double> perfrates_;
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std::vector<double> perfpress_;
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int np_;
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protected:
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std::vector<bool> open_for_output_;
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private:
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WellMapType wellMap_;
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void initSingleWell(const std::vector<double>& cellPressures,
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const int w,
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const Well& well,
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const PhaseUsage& pu,
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const SummaryState& summary_state)
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{
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assert(well.isInjector() || well.isProducer());
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// Set default zero initial well rates.
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// May be overwritten below.
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const int np = pu.num_phases;
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for (int p = 0; p < np; ++p) {
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wellrates_[np*w + p] = 0.0;
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}
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const int num_perf_this_well = well_perf_data_[w].size();
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if ( num_perf_this_well == 0 ) {
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// No perforations of the well. Initialize to zero.
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bhp_[w] = 0.;
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thp_[w] = 0.;
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return;
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}
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const auto inj_controls = well.isInjector() ? well.injectionControls(summary_state) : Well::InjectionControls(0);
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const auto prod_controls = well.isProducer() ? well.productionControls(summary_state) : Well::ProductionControls(0);
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const bool is_bhp = well.isInjector() ? (inj_controls.cmode == Well::InjectorCMode::BHP)
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: (prod_controls.cmode == Well::ProducerCMode::BHP);
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const double bhp_limit = well.isInjector() ? inj_controls.bhp_limit : prod_controls.bhp_limit;
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const bool is_grup = well.isInjector() ? (inj_controls.cmode == Well::InjectorCMode::GRUP)
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: (prod_controls.cmode == Well::ProducerCMode::GRUP);
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const double inj_surf_rate = well.isInjector() ? inj_controls.surface_rate : 0.0; // To avoid a "maybe-uninitialized" warning.
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if (well.getStatus() == Well::Status::STOP) {
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// Stopped well:
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// 1. Rates: zero well rates.
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// 2. Bhp: assign bhp equal to bhp control, if
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// applicable, otherwise assign equal to
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// first perforation cell pressure.
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if (is_bhp) {
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bhp_[w] = bhp_limit;
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} else {
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const int first_cell = well_perf_data_[w][0].cell_index;
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bhp_[w] = cellPressures[first_cell];
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}
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} else if (is_grup) {
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// Well under group control.
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// 1. Rates: zero well rates.
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// 2. Bhp: initialize bhp to be a
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// little above or below (depending on if
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// the well is an injector or producer)
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// pressure in first perforation cell.
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const int first_cell = well_perf_data_[w][0].cell_index;
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const double safety_factor = well.isInjector() ? 1.01 : 0.99;
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bhp_[w] = safety_factor*cellPressures[first_cell];
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} else {
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// Open well, under own control:
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// 1. Rates: initialize well rates to match
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// controls if type is ORAT/GRAT/WRAT
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// (producer) or RATE (injector).
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// Otherwise, we cannot set the correct
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// value here and initialize to zero rate.
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if (well.isInjector()) {
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if (inj_controls.cmode == Well::InjectorCMode::RATE) {
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switch (inj_controls.injector_type) {
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case Well::InjectorType::WATER:
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assert(pu.phase_used[BlackoilPhases::Aqua]);
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wellrates_[np*w + pu.phase_pos[BlackoilPhases::Aqua]] = inj_surf_rate;
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break;
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case Well::InjectorType::GAS:
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assert(pu.phase_used[BlackoilPhases::Vapour]);
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wellrates_[np*w + pu.phase_pos[BlackoilPhases::Vapour]] = inj_surf_rate;
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break;
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case Well::InjectorType::OIL:
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assert(pu.phase_used[BlackoilPhases::Liquid]);
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wellrates_[np*w + pu.phase_pos[BlackoilPhases::Liquid]] = inj_surf_rate;
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break;
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case Well::InjectorType::MULTI:
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// Not currently handled, keep zero init.
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break;
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}
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} else {
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// Keep zero init.
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}
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} else {
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assert(well.isProducer());
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// Note negative rates for producing wells.
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switch (prod_controls.cmode) {
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case Well::ProducerCMode::ORAT:
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assert(pu.phase_used[BlackoilPhases::Liquid]);
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wellrates_[np*w + pu.phase_pos[BlackoilPhases::Liquid]] = -prod_controls.oil_rate;
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break;
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case Well::ProducerCMode::WRAT:
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assert(pu.phase_used[BlackoilPhases::Aqua]);
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wellrates_[np*w + pu.phase_pos[BlackoilPhases::Aqua]] = -prod_controls.water_rate;
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break;
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case Well::ProducerCMode::GRAT:
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assert(pu.phase_used[BlackoilPhases::Vapour]);
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wellrates_[np*w + pu.phase_pos[BlackoilPhases::Vapour]] = -prod_controls.gas_rate;
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break;
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default:
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// Keep zero init.
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break;
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}
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}
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// 2. Bhp: initialize bhp to be target pressure if
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// bhp-controlled well, otherwise set to a
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// little above or below (depending on if
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// the well is an injector or producer)
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// pressure in first perforation cell.
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if (is_bhp) {
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bhp_[w] = bhp_limit;
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} else {
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const int first_cell = well_perf_data_[w][0].cell_index;
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const double safety_factor = well.isInjector() ? 1.01 : 0.99;
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bhp_[w] = safety_factor*cellPressures[first_cell];
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}
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}
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// 3. Thp: assign thp equal to thp target/limit, if such a limit exists,
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// otherwise keep it zero.
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const bool has_thp = well.isInjector() ? inj_controls.hasControl(Well::InjectorCMode::THP)
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: prod_controls.hasControl(Well::ProducerCMode::THP);
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const double thp_limit = well.isInjector() ? inj_controls.thp_limit : prod_controls.thp_limit;
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if (has_thp) {
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thp_[w] = thp_limit;
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}
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}
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protected:
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std::vector<std::vector<PerforationData>> well_perf_data_;
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};
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} // namespace Opm
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#endif // OPM_WELLSTATE_HEADER_INCLUDED
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