mirror of
https://github.com/OPM/opm-simulators.git
synced 2026-11-03 12:47:42 -06:00
456 lines
16 KiB
C++
456 lines
16 KiB
C++
/*
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Copyright 2020 Equinor ASA.
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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_GASLIFT_SINGLE_WELL_GENERIC_HEADER_INCLUDED
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#define OPM_GASLIFT_SINGLE_WELL_GENERIC_HEADER_INCLUDED
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#include <opm/input/eclipse/Schedule/Well/WellProductionControls.hpp>
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#include <opm/simulators/wells/GasLiftGroupInfo.hpp>
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#include <opm/simulators/wells/GasLiftCommon.hpp>
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#include <optional>
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#include <set>
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#include <stdexcept>
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#include <string>
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#include <tuple>
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#include <utility>
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namespace Opm {
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class DeferredLogger;
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class GasLiftWell;
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template<class Scalar> class GasLiftWellState;
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class Schedule;
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class SummaryState;
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template<typename Scalar, typename IndexTraits> class WellInterfaceGeneric;
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template<typename Scalar, typename IndexTraits> class WellState;
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template<class Scalar> class GroupState;
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template<typename Scalar, typename IndexTraits>
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class GasLiftSingleWellGeneric : public GasLiftCommon<Scalar, IndexTraits>
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{
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protected:
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static constexpr int Water = IndexTraits::waterPhaseIdx;
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static constexpr int Oil = IndexTraits::oilPhaseIdx;
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static constexpr int Gas = IndexTraits::gasPhaseIdx;
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static constexpr int NUM_PHASES = 3;
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static constexpr Scalar ALQ_EPSILON = 1e-8;
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public:
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using GLiftSyncGroups = std::set<int>;
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using Rate = typename GasLiftGroupInfo<Scalar, IndexTraits>::Rate;
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using MessageType = typename GasLiftCommon<Scalar, IndexTraits>::MessageType;
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struct GradInfo
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{
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GradInfo() = default;
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GradInfo(Scalar grad_,
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Scalar new_oil_rate_,
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Scalar new_oil_pot_,
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bool oil_is_limited_,
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Scalar new_gas_rate_,
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Scalar new_gas_pot_,
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bool gas_is_limited_,
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Scalar new_water_rate_,
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Scalar new_water_pot_,
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bool water_is_limited_,
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Scalar alq_,
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bool alq_is_limited_,
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Scalar bhp_)
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: grad{grad_}
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, new_oil_rate{new_oil_rate_}
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, new_oil_pot{new_oil_pot_}
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, oil_is_limited{oil_is_limited_}
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, new_gas_rate{new_gas_rate_}
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, new_gas_pot{new_gas_pot_}
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, gas_is_limited{gas_is_limited_}
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, new_water_rate{new_water_rate_}
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, new_water_pot{new_water_pot_}
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, water_is_limited{water_is_limited_}
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, alq{alq_}
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, alq_is_limited{alq_is_limited_}
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, bhp{bhp_}
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{}
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Scalar grad;
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Scalar new_oil_rate;
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Scalar new_oil_pot;
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bool oil_is_limited;
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Scalar new_gas_rate;
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Scalar new_gas_pot;
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bool gas_is_limited;
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Scalar new_water_rate;
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Scalar new_water_pot;
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bool water_is_limited;
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Scalar alq;
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bool alq_is_limited;
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Scalar bhp;
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};
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const std::string& name() const { return well_name_; }
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std::optional<GradInfo> calcIncOrDecGradient(const GasLiftWellState<Scalar>& state,
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const std::string& gr_name_dont_limit,
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bool increase,
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bool debug_output = true) const;
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std::unique_ptr<GasLiftWellState<Scalar>> runOptimize(const int iteration_idx);
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std::pair<Scalar, bool> wellTestALQ();
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virtual const WellInterfaceGeneric<Scalar, IndexTraits>& getWell() const = 0;
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protected:
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GasLiftSingleWellGeneric(DeferredLogger& deferred_logger,
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WellState<Scalar, IndexTraits>& well_state,
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const GroupState<Scalar>& group_state,
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const Well& ecl_well,
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const SummaryState& summary_state,
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GasLiftGroupInfo<Scalar, IndexTraits>& group_info,
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const Schedule& schedule,
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const int report_step_idx,
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GLiftSyncGroups& sync_groups,
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const Parallel::Communication& comm,
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bool glift_debug);
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struct LimitedRatesAndBhp;
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struct RatesAndBhp
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{
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RatesAndBhp(const RatesAndBhp& rates) :
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oil{rates.oil},
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gas{rates.gas},
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water{rates.water},
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bhp{rates.bhp},
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bhp_is_limited{rates.bhp_is_limited}
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{}
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RatesAndBhp(Scalar oil_,
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Scalar gas_,
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Scalar water_,
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Scalar bhp_,
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bool bhp_is_limited_)
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: oil{oil_}
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, gas{gas_}
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, water{water_}
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, bhp{bhp_}
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, bhp_is_limited{bhp_is_limited_}
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{}
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RatesAndBhp& operator=(const RatesAndBhp& rates)
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{
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oil = rates.oil;
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gas = rates.gas;
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water = rates.water;
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bhp = rates.bhp;
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bhp_is_limited = rates.bhp_is_limited;
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return *this;
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}
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// This copy constructor cannot be defined inline here since LimitedRatesAndBhp
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// has not been defined yet (it is defined below). Instead it is defined in
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// in the .cpp file
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explicit RatesAndBhp(const LimitedRatesAndBhp& rates);
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Scalar operator[](Rate rate_type) const
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{
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switch (rate_type) {
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case Rate::oil:
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return this->oil;
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case Rate::gas:
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return this->gas;
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case Rate::water:
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return this->water;
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case Rate::liquid:
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return this->oil + this->water;
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default:
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throw std::runtime_error("This should not happen");
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}
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}
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Scalar oil, gas, water, bhp;
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bool bhp_is_limited;
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};
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struct LimitedRatesAndBhp : public RatesAndBhp
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{
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enum class LimitType {well, group, none};
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LimitedRatesAndBhp(Scalar oil_,
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Scalar oil_pot_,
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Scalar gas_,
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Scalar gas_pot_,
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Scalar water_,
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Scalar water_pot_,
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Scalar bhp_,
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bool oil_is_limited_,
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bool gas_is_limited_,
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bool water_is_limited_,
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bool bhp_is_limited_)
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: RatesAndBhp(oil_, gas_, water_, bhp_, bhp_is_limited_)
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, oil_pot(oil_pot_)
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, gas_pot(gas_pot_)
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, water_pot(water_pot_)
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, oil_is_limited{oil_is_limited_}
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, gas_is_limited{gas_is_limited_}
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, water_is_limited{water_is_limited_}
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{
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set_initial_limit_type_();
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}
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LimitedRatesAndBhp(const RatesAndBhp& rates,
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Scalar oil_pot_,
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Scalar gas_pot_,
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Scalar water_pot_,
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bool oil_is_limited_,
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bool gas_is_limited_,
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bool water_is_limited_)
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: RatesAndBhp(rates)
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, oil_pot(oil_pot_)
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, gas_pot(gas_pot_)
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, water_pot(water_pot_)
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, oil_is_limited{oil_is_limited_}
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, gas_is_limited{gas_is_limited_}
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, water_is_limited{water_is_limited_}
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{
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set_initial_limit_type_();
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}
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bool limited() const
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{
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return oil_is_limited || gas_is_limited || water_is_limited;
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}
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// For a given ALQ value, were the rates limited due to group targets
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// or due to well targets?
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LimitType limit_type;
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Scalar oil_pot;
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Scalar gas_pot;
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Scalar water_pot;
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bool oil_is_limited;
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bool gas_is_limited;
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bool water_is_limited;
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private:
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void set_initial_limit_type_()
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{
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limit_type = limited() ? LimitType::well : LimitType::none;
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}
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};
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struct OptimizeState
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{
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OptimizeState( GasLiftSingleWellGeneric& parent_, bool increase_ )
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: parent{parent_}
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, increase{increase_}
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, it{0}
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, stop_iteration{false}
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, bhp{-1}
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{}
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GasLiftSingleWellGeneric& parent;
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bool increase;
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int it;
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bool stop_iteration;
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Scalar bhp;
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std::pair<std::optional<Scalar>,bool> addOrSubtractAlqIncrement(Scalar alq);
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Scalar calcEcoGradient(Scalar oil_rate,
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Scalar new_oil_rate,
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Scalar gas_rate,
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Scalar new_gas_rate);
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bool checkAlqOutsideLimits(Scalar alq, Scalar oil_rate);
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bool checkEcoGradient(Scalar gradient);
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bool checkOilRateExceedsTarget(Scalar oil_rate);
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bool checkRatesViolated(const LimitedRatesAndBhp& rates) const;
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void debugShowIterationInfo(Scalar alq);
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Scalar getBhpWithLimit();
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void warn_(const std::string& msg) { parent.displayWarning_(msg); }
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};
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bool checkGroupALQrateExceeded(Scalar delta_alq,
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const std::string& gr_name_dont_limit = "") const;
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bool checkGroupTotalRateExceeded(Scalar delta_alq,
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Scalar delta_gas_rate,
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const std::string& gr_name_dont_limit = "") const;
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std::pair<std::optional<Scalar>, bool>
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addOrSubtractAlqIncrement_(Scalar alq, bool increase) const;
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Scalar calcEcoGradient_(Scalar oil_rate, Scalar new_oil_rate,
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Scalar gas_rate, Scalar new_gas_rate, bool increase) const;
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bool checkALQequal_(Scalar alq1, Scalar alq2) const;
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bool checkGroupTargetsViolated(const RatesAndBhp& rates,
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const RatesAndBhp& new_rates) const;
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bool checkInitialALQmodified_(Scalar alq, Scalar initial_alq) const;
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virtual bool checkThpControl_() const = 0;
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virtual std::optional<Scalar > computeBhpAtThpLimit_(Scalar alq, Scalar current_bhp,
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bool debug_output = true) const = 0;
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std::pair<std::optional<Scalar>,Scalar>
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computeConvergedBhpAtThpLimitByMaybeIncreasingALQ_() const;
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std::pair<std::optional<RatesAndBhp>,Scalar>
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computeInitialWellRates_() const;
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std::optional<LimitedRatesAndBhp>
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computeLimitedWellRatesWithALQ_(Scalar alq, Scalar bhp) const;
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virtual RatesAndBhp computeWellRates_(Scalar bhp,
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bool bhp_is_limited,
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bool debug_output = true) const = 0;
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std::optional<RatesAndBhp> computeWellRatesWithALQ_(Scalar alq, Scalar bhp) const;
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void debugCheckNegativeGradient_(Scalar grad, Scalar alq, Scalar new_alq,
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Scalar oil_rate, Scalar new_oil_rate,
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Scalar gas_rate, Scalar new_gas_rate,
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bool increase) const;
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void debugPrintWellStateRates() const;
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void debugShowAlqIncreaseDecreaseCounts_();
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void debugShowBhpAlqTable_();
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void debugShowLimitingTargets_(const LimitedRatesAndBhp& rates) const;
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void debugShowProducerControlMode() const;
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void debugShowStartIteration_(Scalar alq, bool increase, Scalar oil_rate);
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void debugShowTargets_();
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void displayDebugMessage_(const std::string& msg) const override;
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void displayWarning_(const std::string& warning);
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std::pair<Scalar, bool> getBhpWithLimit_(Scalar bhp) const;
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std::pair<Scalar, bool> getGasRateWithGroupLimit_(Scalar new_gas_rate,
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Scalar gas_rate,
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const std::string& gr_name_dont_limit) const;
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std::pair<std::optional<LimitedRatesAndBhp>,Scalar >
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getInitialRatesWithLimit_() const;
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LimitedRatesAndBhp getLimitedRatesAndBhp_(const RatesAndBhp& rates) const;
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Scalar getProductionTarget_(Rate rate) const;
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Scalar getRate_(Rate rate_type, const RatesAndBhp& rates) const;
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std::pair<Scalar, std::optional<Rate>>
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getRateWithLimit_(Rate rate_type, const RatesAndBhp& rates) const;
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std::tuple<Scalar, const std::string*>
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getRateWithGroupLimit_(Rate rate_type,
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const Scalar new_rate,
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const Scalar old_rate,
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const std::string& gr_name_dont_limit) const;
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RatesAndBhp getWellStateRates_() const;
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bool hasProductionControl_(Rate rate) const;
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std::pair<LimitedRatesAndBhp, Scalar>
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increaseALQtoPositiveOilRate_(Scalar alq,
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const LimitedRatesAndBhp& orig_rates) const;
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std::pair<LimitedRatesAndBhp, Scalar>
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increaseALQtoMinALQ_(Scalar alq,
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const LimitedRatesAndBhp& orig_rates) const;
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void logSuccess_(Scalar alq,
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const int iteration_idx);
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std::pair<LimitedRatesAndBhp, Scalar>
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maybeAdjustALQbeforeOptimizeLoop_(const LimitedRatesAndBhp& rates,
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Scalar alq,
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bool increase) const;
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std::pair<LimitedRatesAndBhp, Scalar>
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reduceALQtoGroupAlqLimits_(Scalar alq,
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const LimitedRatesAndBhp& rates) const;
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std::pair<LimitedRatesAndBhp, Scalar>
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reduceALQtoGroupTarget(Scalar alq,
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const LimitedRatesAndBhp& rates) const;
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std::pair<LimitedRatesAndBhp, Scalar>
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reduceALQtoWellTarget_(Scalar alq,
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const LimitedRatesAndBhp& rates) const;
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std::unique_ptr<GasLiftWellState<Scalar>> runOptimize1_();
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std::unique_ptr<GasLiftWellState<Scalar>> runOptimize2_();
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std::unique_ptr<GasLiftWellState<Scalar>> runOptimizeLoop_(bool increase);
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void setAlqMinRate_(const GasLiftWell& well);
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std::unique_ptr<GasLiftWellState<Scalar>> tryIncreaseLiftGas_();
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std::unique_ptr<GasLiftWellState<Scalar>> tryDecreaseLiftGas_();
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void updateGroupRates_(const LimitedRatesAndBhp& rates,
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const LimitedRatesAndBhp& new_rates,
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Scalar delta_alq) const;
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LimitedRatesAndBhp
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updateRatesToGroupLimits_(const RatesAndBhp& old_rates,
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const LimitedRatesAndBhp& rates,
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const std::string& gr_name = "") const;
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void updateWellStateAlqFixedValue_(const GasLiftWell& well);
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bool useFixedAlq_(const GasLiftWell& well);
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void debugInfoGroupRatesExceedTarget(Rate rate_type,
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const std::string& gr_name,
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Scalar rate,
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Scalar target) const;
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void warnMaxIterationsExceeded_();
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const Well& ecl_well_;
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const SummaryState& summary_state_;
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GasLiftGroupInfo<Scalar, IndexTraits>& group_info_;
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GLiftSyncGroups& sync_groups_;
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const WellProductionControls controls_;
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Scalar increment_;
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Scalar max_alq_;
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Scalar min_alq_;
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Scalar orig_alq_;
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Scalar alpha_w_;
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Scalar alpha_g_;
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Scalar eco_grad_;
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int gas_pos_;
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int oil_pos_;
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int water_pos_;
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int max_iterations_;
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std::string well_name_;
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const GasLiftWell* gl_well_;
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bool optimize_;
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bool debug_limit_increase_decrease_;
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bool debug_abort_if_decrease_and_oil_is_limited_ = false;
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bool debug_abort_if_increase_and_gas_is_limited_ = false;
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};
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} // namespace Opm
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#endif // OPM_GASLIFT_SINGLE_WELL_GENERIC_HEADER_INCLUDED
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