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254 lines
9.7 KiB
C++
254 lines
9.7 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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#include <config.h>
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#include <opm/simulators/wells/WellState.hpp>
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#include <opm/simulators/wells/ParallelWellInfo.hpp>
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#include <cassert>
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#include <stdexcept>
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namespace Opm
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{
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void WellState::init(const std::vector<double>& cellPressures,
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const std::vector<Well>& wells_ecl,
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const std::vector<ParallelWellInfo*>& parallel_well_info,
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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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this->wellMap_.clear();
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this->perfpress_.clear();
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this->perfrates_.clear();
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this->status_.clear();
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this->well_perf_data_.clear();
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this->parallel_well_info_.clear();
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this->wellrates_.clear();
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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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bhp_.resize(nw, 0.0);
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thp_.resize(nw, 0.0);
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temperature_.resize(nw, 273.15 + 15.56); // standard condition temperature
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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(), temperature().
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initSingleWell(cellPressures, w, well, well_perf_data[w], parallel_well_info[w], 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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}
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}
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void WellState::shutWell(int well_index)
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{
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this->status_[well_index] = Well::Status::SHUT;
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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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this->wellrates_[well_index].assign(np, 0);
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}
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void WellState::stopWell(int well_index)
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{
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this->status_[well_index] = Well::Status::STOP;
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this->thp_[well_index] = 0;
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}
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void WellState::updateStatus(int well_index, Well::Status status)
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{
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switch (status) {
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case Well::Status::OPEN:
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this->openWell(well_index);
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break;
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case Well::Status::SHUT:
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this->shutWell(well_index);
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break;
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case Well::Status::STOP:
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this->stopWell(well_index);
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break;
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default:
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throw std::logic_error("Invalid well status");
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}
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}
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void WellState::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 std::vector<PerforationData>& well_perf_data,
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const ParallelWellInfo* well_info,
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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 auto& pu = this->phase_usage_;
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const int np = pu.num_phases;
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if ( well.isInjector() ) {
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temperature_[w] = well.injectionControls(summary_state).temperature;
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}
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this->status_.add(well.name(), Well::Status::OPEN);
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this->well_perf_data_.add(well.name(), well_perf_data);
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this->parallel_well_info_.add(well.name(), well_info);
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this->wellrates_.add(well.name(), std::vector<double>(np, 0));
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const int num_perf_this_well = well_info->communication().sum(well_perf_data_[w].size());
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this->perfpress_.add(well.name(), std::vector<double>(num_perf_this_well, -1e100));
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this->perfrates_.add(well.name(), std::vector<double>(num_perf_this_well, 0));
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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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const double local_pressure = well_perf_data_[w].empty() ?
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0 : cellPressures[well_perf_data_[w][0].cell_index];
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const double global_pressure = well_info->broadcastFirstPerforationValue(local_pressure);
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if (well.getStatus() == Well::Status::OPEN) {
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this->openWell(w);
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}
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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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bhp_[w] = global_pressure;
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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 double safety_factor = well.isInjector() ? 1.01 : 0.99;
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bhp_[w] = safety_factor * global_pressure;
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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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auto & well_rates = this->wellrates_[w];
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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 InjectorType::WATER:
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assert(pu.phase_used[BlackoilPhases::Aqua]);
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well_rates[pu.phase_pos[BlackoilPhases::Aqua]] = inj_surf_rate;
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break;
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case InjectorType::GAS:
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assert(pu.phase_used[BlackoilPhases::Vapour]);
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well_rates[pu.phase_pos[BlackoilPhases::Vapour]] = inj_surf_rate;
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break;
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case InjectorType::OIL:
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assert(pu.phase_used[BlackoilPhases::Liquid]);
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well_rates[pu.phase_pos[BlackoilPhases::Liquid]] = inj_surf_rate;
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break;
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case 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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well_rates[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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well_rates[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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well_rates[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 double safety_factor = well.isInjector() ? 1.01 : 0.99;
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bhp_[w] = safety_factor * global_pressure;
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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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} // namespace Opm
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