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710 lines
30 KiB
C++
710 lines
30 KiB
C++
/*
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Copyright 2017 SINTEF Digital, Mathematics and Cybernetics.
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Copyright 2017 Statoil ASA.
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Copyright 2018 IRIS
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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/WellInterfaceFluidSystem.hpp>
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#include <opm/material/fluidsystems/BlackOilFluidSystem.hpp>
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#include <opm/input/eclipse/Schedule/Schedule.hpp>
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#include <opm/simulators/utils/DeferredLogger.hpp>
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#include <opm/simulators/wells/GroupState.hpp>
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#include <opm/simulators/wells/ParallelWellInfo.hpp>
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#include <opm/simulators/wells/RateConverter.hpp>
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#include <opm/simulators/wells/SingleWellState.hpp>
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#include <opm/simulators/wells/TargetCalculator.hpp>
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#include <opm/simulators/wells/WellGroupHelpers.hpp>
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#include <opm/simulators/wells/WellState.hpp>
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#include <cassert>
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#include <cmath>
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namespace Opm
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{
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template<class FluidSystem>
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WellInterfaceFluidSystem<FluidSystem>::
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WellInterfaceFluidSystem(const Well& well,
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const ParallelWellInfo& parallel_well_info,
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const int time_step,
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const RateConverterType& rate_converter,
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const int pvtRegionIdx,
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const int num_components,
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const int num_phases,
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const int index_of_well,
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const std::vector<PerforationData>& perf_data)
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: WellInterfaceGeneric(well, parallel_well_info, time_step,
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pvtRegionIdx, num_components, num_phases,
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index_of_well, perf_data)
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, rateConverter_(rate_converter)
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{
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}
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template<typename FluidSystem>
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void
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WellInterfaceFluidSystem<FluidSystem>::
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calculateReservoirRates(SingleWellState& ws) const
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{
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const int fipreg = 0; // not considering the region for now
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const int np = number_of_phases_;
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std::vector<double> surface_rates(np, 0.0);
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for (int p = 0; p < np; ++p) {
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surface_rates[p] = ws.surface_rates[p];
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}
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std::vector<double> voidage_rates(np, 0.0);
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rateConverter_.calcReservoirVoidageRates(fipreg, pvtRegionIdx_, surface_rates, voidage_rates);
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ws.reservoir_rates = voidage_rates;
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}
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template <typename FluidSystem>
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Well::ProducerCMode
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WellInterfaceFluidSystem<FluidSystem>::
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activeProductionConstraint(const SingleWellState& ws,
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const SummaryState& summaryState,
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DeferredLogger& deferred_logger) const
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{
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const PhaseUsage& pu = this->phaseUsage();
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const auto controls = this->well_ecl_.productionControls(summaryState);
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const auto currentControl = ws.production_cmode;
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if (controls.hasControl(Well::ProducerCMode::BHP) && currentControl != Well::ProducerCMode::BHP) {
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const double bhp_limit = controls.bhp_limit;
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double current_bhp = ws.bhp;
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if (bhp_limit > current_bhp)
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return Well::ProducerCMode::BHP;
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}
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if (controls.hasControl(Well::ProducerCMode::ORAT) && currentControl != Well::ProducerCMode::ORAT) {
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double current_rate = -ws.surface_rates[pu.phase_pos[BlackoilPhases::Liquid]];
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if (controls.oil_rate < current_rate)
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return Well::ProducerCMode::ORAT;
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}
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if (controls.hasControl(Well::ProducerCMode::WRAT) && currentControl != Well::ProducerCMode::WRAT) {
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double current_rate = -ws.surface_rates[pu.phase_pos[BlackoilPhases::Aqua]];
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if (controls.water_rate < current_rate)
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return Well::ProducerCMode::WRAT;
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}
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if (controls.hasControl(Well::ProducerCMode::GRAT) && currentControl != Well::ProducerCMode::GRAT) {
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double current_rate = -ws.surface_rates[pu.phase_pos[BlackoilPhases::Vapour]];
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if (controls.gas_rate < current_rate)
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return Well::ProducerCMode::GRAT;
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}
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if (controls.hasControl(Well::ProducerCMode::LRAT) && currentControl != Well::ProducerCMode::LRAT) {
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double current_rate = -ws.surface_rates[pu.phase_pos[BlackoilPhases::Liquid]];
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current_rate -= ws.surface_rates[pu.phase_pos[BlackoilPhases::Aqua]];
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bool skip = false;
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if (controls.liquid_rate == controls.oil_rate) {
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const double current_water_rate = ws.surface_rates[pu.phase_pos[BlackoilPhases::Aqua]];
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if (std::abs(current_water_rate) < 1e-12) {
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skip = true;
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deferred_logger.debug("LRAT_ORAT_WELL", "Well " + this->name() + " The LRAT target is equal the ORAT target and the water rate is zero, skip checking LRAT");
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}
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}
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if (!skip && controls.liquid_rate < current_rate)
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return Well::ProducerCMode::LRAT;
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}
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if (controls.hasControl(Well::ProducerCMode::RESV) && currentControl != Well::ProducerCMode::RESV) {
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double current_rate = 0.0;
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if (pu.phase_used[BlackoilPhases::Aqua])
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current_rate -= ws.reservoir_rates[pu.phase_pos[BlackoilPhases::Aqua]];
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if (pu.phase_used[BlackoilPhases::Liquid])
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current_rate -= ws.reservoir_rates[pu.phase_pos[BlackoilPhases::Liquid]];
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if (pu.phase_used[BlackoilPhases::Vapour])
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current_rate -= ws.reservoir_rates[pu.phase_pos[BlackoilPhases::Vapour]];
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if (controls.prediction_mode && controls.resv_rate < current_rate)
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return Well::ProducerCMode::RESV;
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if (!controls.prediction_mode) {
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const int fipreg = 0; // not considering the region for now
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const int np = number_of_phases_;
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std::vector<double> surface_rates(np, 0.0);
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if (pu.phase_used[BlackoilPhases::Aqua])
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surface_rates[pu.phase_pos[BlackoilPhases::Aqua]] = controls.water_rate;
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if (pu.phase_used[BlackoilPhases::Liquid])
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surface_rates[pu.phase_pos[BlackoilPhases::Liquid]] = controls.oil_rate;
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if (pu.phase_used[BlackoilPhases::Vapour])
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surface_rates[pu.phase_pos[BlackoilPhases::Vapour]] = controls.gas_rate;
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std::vector<double> voidage_rates(np, 0.0);
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rateConverter_.calcReservoirVoidageRates(fipreg, pvtRegionIdx_, surface_rates, voidage_rates);
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double resv_rate = 0.0;
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for (int p = 0; p < np; ++p)
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resv_rate += voidage_rates[p];
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if (resv_rate < current_rate)
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return Well::ProducerCMode::RESV;
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}
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}
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if (controls.hasControl(Well::ProducerCMode::THP) && currentControl != Well::ProducerCMode::THP) {
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const auto& thp = getTHPConstraint(summaryState);
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double current_thp = ws.thp;
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if (thp > current_thp && !ws.trivial_target) {
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// If WVFPEXP item 4 is set to YES1 or YES2
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// switching to THP is prevented if the well will
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// produce at a higher rate with THP control
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const auto& wvfpexp = this->well_ecl_.getWVFPEXP();
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bool rate_less_than_potential = true;
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if (wvfpexp.prevent()) {
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for (int p = 0; p < number_of_phases_; ++p) {
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// Currently we use the well potentials here computed before the iterations.
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// We may need to recompute the well potentials to get a more
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// accurate check here.
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rate_less_than_potential = rate_less_than_potential && (-ws.surface_rates[p]) <= ws.well_potentials[p];
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}
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}
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if(!wvfpexp.prevent() || !rate_less_than_potential) {
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this->operability_status_.thp_limit_violated_but_not_switched = false;
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return Well::ProducerCMode::THP;
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} else {
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this->operability_status_.thp_limit_violated_but_not_switched = true;
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deferred_logger.info("NOT_SWITCHING_TO_THP",
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"The THP limit is violated for producer " +
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this->name() +
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". But the rate will increase if switched to THP. " +
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"The well is therefore kept at " + Well::ProducerCMode2String(currentControl));
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}
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}
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}
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return currentControl;
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}
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template <typename FluidSystem>
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Well::InjectorCMode
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WellInterfaceFluidSystem<FluidSystem>::
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activeInjectionConstraint(const SingleWellState& ws,
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const SummaryState& summaryState,
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DeferredLogger& deferred_logger) const
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{
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const PhaseUsage& pu = this->phaseUsage();
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const auto controls = this->well_ecl_.injectionControls(summaryState);
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const auto currentControl = ws.injection_cmode;
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if (controls.hasControl(Well::InjectorCMode::BHP) && currentControl != Well::InjectorCMode::BHP)
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{
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const auto& bhp = controls.bhp_limit;
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double current_bhp = ws.bhp;
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if (bhp < current_bhp)
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return Well::InjectorCMode::BHP;
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}
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if (controls.hasControl(Well::InjectorCMode::RATE) && currentControl != Well::InjectorCMode::RATE)
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{
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InjectorType injectorType = controls.injector_type;
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double current_rate = 0.0;
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switch (injectorType) {
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case InjectorType::WATER:
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{
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current_rate = ws.surface_rates[ pu.phase_pos[BlackoilPhases::Aqua] ];
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break;
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}
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case InjectorType::OIL:
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{
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current_rate = ws.surface_rates[ pu.phase_pos[BlackoilPhases::Liquid] ];
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break;
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}
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case InjectorType::GAS:
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{
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current_rate = ws.surface_rates[ pu.phase_pos[BlackoilPhases::Vapour] ];
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break;
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}
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default:
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throw("Expected WATER, OIL or GAS as type for injectors " + this->well_ecl_.name());
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}
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if (controls.surface_rate < current_rate)
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return Well::InjectorCMode::RATE;
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}
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if (controls.hasControl(Well::InjectorCMode::RESV) && currentControl != Well::InjectorCMode::RESV)
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{
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double current_rate = 0.0;
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if( pu.phase_used[BlackoilPhases::Aqua] )
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current_rate += ws.reservoir_rates[ pu.phase_pos[BlackoilPhases::Aqua] ];
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if( pu.phase_used[BlackoilPhases::Liquid] )
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current_rate += ws.reservoir_rates[ pu.phase_pos[BlackoilPhases::Liquid] ];
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if( pu.phase_used[BlackoilPhases::Vapour] )
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current_rate += ws.reservoir_rates[ pu.phase_pos[BlackoilPhases::Vapour] ];
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if (controls.reservoir_rate < current_rate)
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return Well::InjectorCMode::RESV;
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}
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if (controls.hasControl(Well::InjectorCMode::THP) && currentControl != Well::InjectorCMode::THP)
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{
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const auto& thp = getTHPConstraint(summaryState);
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double current_thp = ws.thp;
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if (thp < current_thp) {
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bool rate_less_than_potential = true;
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for (int p = 0; p < number_of_phases_; ++p) {
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// Currently we use the well potentials here computed before the iterations.
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// We may need to recompute the well potentials to get a more
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// accurate check here.
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rate_less_than_potential = rate_less_than_potential && (ws.surface_rates[p]) <= ws.well_potentials[p];
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}
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if(!rate_less_than_potential) {
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this->operability_status_.thp_limit_violated_but_not_switched = false;
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return Well::InjectorCMode::THP;
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} else {
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this->operability_status_.thp_limit_violated_but_not_switched = true;
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deferred_logger.debug("NOT_SWITCHING_TO_THP",
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"The THP limit is violated for injector " +
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this->name() +
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". But the rate will increase if switched to THP. " +
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"The well is therefore kept at " + Well::InjectorCMode2String(currentControl));
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}
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}
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}
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return currentControl;
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}
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template <typename FluidSystem>
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bool
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WellInterfaceFluidSystem<FluidSystem>::
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checkIndividualConstraints(SingleWellState& ws,
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const SummaryState& summaryState,
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DeferredLogger& deferred_logger) const
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{
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if (this->well_ecl_.isProducer()) {
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auto new_cmode = this->activeProductionConstraint(ws, summaryState, deferred_logger);
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if (new_cmode != ws.production_cmode) {
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ws.production_cmode = new_cmode;
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return true;
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}
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}
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if (this->well_ecl_.isInjector()) {
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auto new_cmode = this->activeInjectionConstraint(ws, summaryState, deferred_logger);
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if (new_cmode != ws.injection_cmode) {
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ws.injection_cmode = new_cmode;
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return true;
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}
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}
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return false;
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}
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template <typename FluidSystem>
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std::pair<bool, double>
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WellInterfaceFluidSystem<FluidSystem>::
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checkGroupConstraintsInj(const Group& group,
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const WellState& well_state,
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const GroupState& group_state,
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const double efficiencyFactor,
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const Schedule& schedule,
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const SummaryState& summaryState,
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DeferredLogger& deferred_logger) const
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{
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// Translate injector type from control to Phase.
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const auto& well_controls = this->well_ecl_.injectionControls(summaryState);
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auto injectorType = well_controls.injector_type;
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Phase injectionPhase;
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switch (injectorType) {
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case InjectorType::WATER:
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{
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injectionPhase = Phase::WATER;
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break;
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}
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case InjectorType::OIL:
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{
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injectionPhase = Phase::OIL;
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break;
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}
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case InjectorType::GAS:
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{
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injectionPhase = Phase::GAS;
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break;
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}
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default:
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throw("Expected WATER, OIL or GAS as type for injector " + name());
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}
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// Make conversion factors for RESV <-> surface rates.
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std::vector<double> resv_coeff(phaseUsage().num_phases, 1.0);
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rateConverter_.calcInjCoeff(0, pvtRegionIdx_, resv_coeff); // FIPNUM region 0 here, should use FIPNUM from WELSPECS.
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const auto& ws = well_state.well(this->index_of_well_);
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// Call check for the well's injection phase.
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return WellGroupHelpers::checkGroupConstraintsInj(name(),
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well_ecl_.groupName(),
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group,
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well_state,
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group_state,
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current_step_,
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guide_rate_,
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ws.surface_rates.data(),
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injectionPhase,
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phaseUsage(),
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efficiencyFactor,
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schedule,
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summaryState,
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resv_coeff,
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deferred_logger);
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}
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template <typename FluidSystem>
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std::pair<bool, double>
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WellInterfaceFluidSystem<FluidSystem>::
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checkGroupConstraintsProd(const Group& group,
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const WellState& well_state,
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const GroupState& group_state,
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const double efficiencyFactor,
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const Schedule& schedule,
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const SummaryState& summaryState,
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DeferredLogger& deferred_logger) const
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{
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// Make conversion factors for RESV <-> surface rates.
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std::vector<double> resv_coeff(this->phaseUsage().num_phases, 1.0);
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rateConverter_.calcCoeff(0, pvtRegionIdx_, resv_coeff); // FIPNUM region 0 here, should use FIPNUM from WELSPECS.
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const auto& ws = well_state.well(this->index_of_well_);
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return WellGroupHelpers::checkGroupConstraintsProd(name(),
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well_ecl_.groupName(),
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group,
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well_state,
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group_state,
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current_step_,
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guide_rate_,
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ws.surface_rates.data(),
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phaseUsage(),
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efficiencyFactor,
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schedule,
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summaryState,
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resv_coeff,
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deferred_logger);
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}
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template <typename FluidSystem>
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bool
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WellInterfaceFluidSystem<FluidSystem>::
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checkGroupConstraints(WellState& well_state,
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const GroupState& group_state,
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const Schedule& schedule,
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const SummaryState& summaryState,
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DeferredLogger& deferred_logger) const
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{
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const auto& well = well_ecl_;
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const int well_index = index_of_well_;
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auto& ws = well_state.well(well_index);
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if (well.isInjector()) {
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const auto currentControl = ws.injection_cmode;
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if (currentControl != Well::InjectorCMode::GRUP) {
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// This checks only the first encountered group limit,
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// in theory there could be several, and then we should
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// test all but the one currently applied. At that point,
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// this if-statement should be removed and we should always
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// check, skipping over only the single group parent whose
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// control is the active one for the well (if any).
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const auto& group = schedule.getGroup( well.groupName(), current_step_ );
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const double efficiencyFactor = well.getEfficiencyFactor();
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const std::pair<bool, double> group_constraint =
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checkGroupConstraintsInj(group, well_state, group_state, efficiencyFactor,
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schedule, summaryState, deferred_logger);
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// If a group constraint was broken, we set the current well control to
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// be GRUP.
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if (group_constraint.first) {
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ws.injection_cmode = Well::InjectorCMode::GRUP;
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const int np = well_state.numPhases();
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for (int p = 0; p<np; ++p) {
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ws.surface_rates[p] *= group_constraint.second;
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}
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}
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return group_constraint.first;
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}
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}
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if (well.isProducer( )) {
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const auto currentControl = ws.production_cmode;
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if (currentControl != Well::ProducerCMode::GRUP) {
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// This checks only the first encountered group limit,
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// in theory there could be several, and then we should
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// test all but the one currently applied. At that point,
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// this if-statement should be removed and we should always
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// check, skipping over only the single group parent whose
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// control is the active one for the well (if any).
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const auto& group = schedule.getGroup( well.groupName(), current_step_ );
|
|
const double efficiencyFactor = well.getEfficiencyFactor();
|
|
const std::pair<bool, double> group_constraint =
|
|
checkGroupConstraintsProd(group, well_state, group_state, efficiencyFactor,
|
|
schedule, summaryState, deferred_logger);
|
|
// If a group constraint was broken, we set the current well control to
|
|
// be GRUP.
|
|
if (group_constraint.first) {
|
|
ws.production_cmode = Well::ProducerCMode::GRUP;
|
|
const int np = well_state.numPhases();
|
|
for (int p = 0; p<np; ++p) {
|
|
ws.surface_rates[p] *= group_constraint.second;
|
|
}
|
|
}
|
|
return group_constraint.first;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
template <typename FluidSystem>
|
|
bool
|
|
WellInterfaceFluidSystem<FluidSystem>::
|
|
checkConstraints(WellState& well_state,
|
|
const GroupState& group_state,
|
|
const Schedule& schedule,
|
|
const SummaryState& summaryState,
|
|
DeferredLogger& deferred_logger) const
|
|
{
|
|
const bool ind_broken = checkIndividualConstraints(well_state.well(this->index_of_well_), summaryState, deferred_logger);
|
|
if (ind_broken) {
|
|
return true;
|
|
} else {
|
|
return checkGroupConstraints(well_state, group_state, schedule, summaryState, deferred_logger);
|
|
}
|
|
}
|
|
|
|
template<typename FluidSystem>
|
|
int
|
|
WellInterfaceFluidSystem<FluidSystem>::
|
|
flowPhaseToEbosPhaseIdx(const int phaseIdx) const
|
|
{
|
|
const auto& pu = this->phaseUsage();
|
|
if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) && pu.phase_pos[Water] == phaseIdx)
|
|
return FluidSystem::waterPhaseIdx;
|
|
if (FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx) && pu.phase_pos[Oil] == phaseIdx)
|
|
return FluidSystem::oilPhaseIdx;
|
|
if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) && pu.phase_pos[Gas] == phaseIdx)
|
|
return FluidSystem::gasPhaseIdx;
|
|
|
|
// for other phases return the index
|
|
return phaseIdx;
|
|
}
|
|
|
|
template<typename FluidSystem>
|
|
std::optional<double>
|
|
WellInterfaceFluidSystem<FluidSystem>::
|
|
getGroupInjectionTargetRate(const Group& group,
|
|
const WellState& well_state,
|
|
const GroupState& group_state,
|
|
const Schedule& schedule,
|
|
const SummaryState& summaryState,
|
|
const InjectorType& injectorType,
|
|
double efficiencyFactor,
|
|
DeferredLogger& deferred_logger) const
|
|
{
|
|
// Setting some defaults to silence warnings below.
|
|
// Will be overwritten in the switch statement.
|
|
Phase injectionPhase = Phase::WATER;
|
|
switch (injectorType) {
|
|
case InjectorType::WATER:
|
|
{
|
|
injectionPhase = Phase::WATER;
|
|
break;
|
|
}
|
|
case InjectorType::OIL:
|
|
{
|
|
injectionPhase = Phase::OIL;
|
|
break;
|
|
}
|
|
case InjectorType::GAS:
|
|
{
|
|
injectionPhase = Phase::GAS;
|
|
break;
|
|
}
|
|
default:
|
|
// Should not be here.
|
|
assert(false);
|
|
}
|
|
|
|
auto currentGroupControl = group_state.injection_control(group.name(), injectionPhase);
|
|
if (currentGroupControl == Group::InjectionCMode::FLD ||
|
|
currentGroupControl == Group::InjectionCMode::NONE) {
|
|
if (!group.injectionGroupControlAvailable(injectionPhase)) {
|
|
// We cannot go any further up the hierarchy. This could
|
|
// be the FIELD group, or any group for which this has
|
|
// been set in GCONINJE or GCONPROD. If we are here
|
|
// anyway, it is likely that the deck set inconsistent
|
|
// requirements, such as GRUP control mode on a well with
|
|
// no appropriate controls defined on any of its
|
|
// containing groups. We will therefore use the wells' bhp
|
|
// limit equation as a fallback.
|
|
return std::nullopt;
|
|
} else {
|
|
// Inject share of parents control
|
|
const auto& parent = schedule.getGroup( group.parent(), currentStep());
|
|
efficiencyFactor *= group.getGroupEfficiencyFactor();
|
|
return getGroupInjectionTargetRate(parent, well_state, group_state, schedule, summaryState, injectorType, efficiencyFactor, deferred_logger);
|
|
}
|
|
}
|
|
|
|
const auto pu = phaseUsage();
|
|
|
|
if (!group.isInjectionGroup()) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
// If we are here, we are at the topmost group to be visited in the recursion.
|
|
// This is the group containing the control we will check against.
|
|
|
|
// Make conversion factors for RESV <-> surface rates.
|
|
std::vector<double> resv_coeff(pu.num_phases, 1.0);
|
|
rateConverter_.calcCoeff(0, pvtRegionIdx(), resv_coeff); // FIPNUM region 0 here, should use FIPNUM from WELSPECS.
|
|
|
|
double sales_target = 0;
|
|
if (schedule[currentStep()].gconsale().has(group.name())) {
|
|
const auto& gconsale = schedule[currentStep()].gconsale().get(group.name(), summaryState);
|
|
sales_target = gconsale.sales_target;
|
|
}
|
|
WellGroupHelpers::InjectionTargetCalculator tcalc(currentGroupControl, pu, resv_coeff, group.name(), sales_target, group_state, injectionPhase, group.has_gpmaint_control(injectionPhase, currentGroupControl), deferred_logger);
|
|
WellGroupHelpers::FractionCalculator fcalc(schedule, well_state, group_state, currentStep(), guideRate(), tcalc.guideTargetMode(), pu, false, injectionPhase);
|
|
|
|
auto localFraction = [&](const std::string& child) {
|
|
return fcalc.localFraction(child, child); //Note child needs to be passed to always include since the global isGrup map is not updated yet.
|
|
};
|
|
|
|
auto localReduction = [&](const std::string& group_name) {
|
|
const std::vector<double>& groupTargetReductions = group_state.injection_reduction_rates(group_name);
|
|
return tcalc.calcModeRateFromRates(groupTargetReductions);
|
|
};
|
|
|
|
const double orig_target = tcalc.groupTarget(group.injectionControls(injectionPhase, summaryState), deferred_logger);
|
|
const auto chain = WellGroupHelpers::groupChainTopBot(name(), group.name(), schedule, currentStep());
|
|
// Because 'name' is the last of the elements, and not an ancestor, we subtract one below.
|
|
const size_t num_ancestors = chain.size() - 1;
|
|
double target = orig_target;
|
|
for (size_t ii = 0; ii < num_ancestors; ++ii) {
|
|
if ((ii == 0) || guideRate()->has(chain[ii], injectionPhase)) {
|
|
// Apply local reductions only at the control level
|
|
// (top) and for levels where we have a specified
|
|
// group guide rate.
|
|
target -= localReduction(chain[ii]);
|
|
}
|
|
target *= localFraction(chain[ii+1]);
|
|
}
|
|
return std::max(0.0, target / efficiencyFactor);
|
|
}
|
|
template<typename FluidSystem>
|
|
double
|
|
WellInterfaceFluidSystem<FluidSystem>::
|
|
getGroupProductionTargetRate(const Group& group,
|
|
const WellState& well_state,
|
|
const GroupState& group_state,
|
|
const Schedule& schedule,
|
|
const SummaryState& summaryState,
|
|
double efficiencyFactor) const
|
|
{
|
|
const Group::ProductionCMode& currentGroupControl = group_state.production_control(group.name());
|
|
if (currentGroupControl == Group::ProductionCMode::FLD ||
|
|
currentGroupControl == Group::ProductionCMode::NONE) {
|
|
if (!group.productionGroupControlAvailable()) {
|
|
return 1.0;
|
|
} else {
|
|
// Produce share of parents control
|
|
const auto& parent = schedule.getGroup(group.parent(), currentStep());
|
|
efficiencyFactor *= group.getGroupEfficiencyFactor();
|
|
return getGroupProductionTargetRate(parent, well_state, group_state, schedule, summaryState, efficiencyFactor);
|
|
}
|
|
}
|
|
|
|
const auto pu = phaseUsage();
|
|
|
|
if (!group.isProductionGroup()) {
|
|
return 1.0;
|
|
}
|
|
|
|
// If we are here, we are at the topmost group to be visited in the recursion.
|
|
// This is the group containing the control we will check against.
|
|
|
|
// Make conversion factors for RESV <-> surface rates.
|
|
std::vector<double> resv_coeff(phaseUsage().num_phases, 1.0);
|
|
rateConverter_.calcCoeff(0, pvtRegionIdx(), resv_coeff); // FIPNUM region 0 here, should use FIPNUM from WELSPECS.
|
|
|
|
// gconsale may adjust the grat target.
|
|
// the adjusted rates is send to the targetCalculator
|
|
double gratTargetFromSales = 0.0;
|
|
if (group_state.has_grat_sales_target(group.name()))
|
|
gratTargetFromSales = group_state.grat_sales_target(group.name());
|
|
|
|
WellGroupHelpers::TargetCalculator tcalc(currentGroupControl, pu, resv_coeff, gratTargetFromSales, group.name(), group_state, group.has_gpmaint_control(currentGroupControl));
|
|
WellGroupHelpers::FractionCalculator fcalc(schedule, well_state, group_state, currentStep(), guideRate(), tcalc.guideTargetMode(), pu, true, Phase::OIL);
|
|
|
|
auto localFraction = [&](const std::string& child) {
|
|
return fcalc.localFraction(child, child); //Note child needs to be passed to always include since the global isGrup map is not updated yet.
|
|
};
|
|
|
|
auto localReduction = [&](const std::string& group_name) {
|
|
const std::vector<double>& groupTargetReductions = group_state.production_reduction_rates(group_name);
|
|
return tcalc.calcModeRateFromRates(groupTargetReductions);
|
|
};
|
|
|
|
const double orig_target = tcalc.groupTarget(group.productionControls(summaryState));
|
|
const auto chain = WellGroupHelpers::groupChainTopBot(name(), group.name(), schedule, currentStep());
|
|
// Because 'name' is the last of the elements, and not an ancestor, we subtract one below.
|
|
const size_t num_ancestors = chain.size() - 1;
|
|
double target = orig_target;
|
|
for (size_t ii = 0; ii < num_ancestors; ++ii) {
|
|
if ((ii == 0) || guideRate()->has(chain[ii])) {
|
|
// Apply local reductions only at the control level
|
|
// (top) and for levels where we have a specified
|
|
// group guide rate.
|
|
target -= localReduction(chain[ii]);
|
|
}
|
|
target *= localFraction(chain[ii+1]);
|
|
}
|
|
// Avoid negative target rates coming from too large local reductions.
|
|
const double target_rate = std::max(0.0, target / efficiencyFactor);
|
|
const auto& ws = well_state.well(this->index_of_well_);
|
|
const auto& rates = ws.surface_rates;
|
|
const auto current_rate = -tcalc.calcModeRateFromRates(rates); // Switch sign since 'rates' are negative for producers.
|
|
double scale = 1.0;
|
|
if (target_rate == 0.0) {
|
|
return 0.0;
|
|
}
|
|
|
|
if (current_rate > 1e-14)
|
|
scale = target_rate/current_rate;
|
|
return scale;
|
|
}
|
|
template class WellInterfaceFluidSystem<BlackOilFluidSystem<double,BlackOilDefaultIndexTraits>>;
|
|
|
|
} // namespace Opm
|