mirror of
https://github.com/OPM/opm-simulators.git
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248 lines
8.3 KiB
C++
248 lines
8.3 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/core/props/BlackoilPhases.hpp>
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#include <opm/parser/eclipse/EclipseState/Schedule/GasLiftOpt.hpp>
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#include <opm/parser/eclipse/EclipseState/Schedule/Well/Well.hpp>
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#include <functional>
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#include <optional>
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#include <string>
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#include <tuple>
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#include <vector>
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#include <utility>
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namespace Opm
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{
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class DeferredLogger;
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class GasLiftWellState;
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class Schedule;
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class SummaryState;
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class WellInterfaceGeneric;
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class WellState;
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class GasLiftSingleWellGeneric
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{
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protected:
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static const int Water = BlackoilPhases::Aqua;
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static const int Oil = BlackoilPhases::Liquid;
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static const int Gas = BlackoilPhases::Vapour;
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static constexpr double ALQ_EPSILON = 1e-8;
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public:
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struct GradInfo
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{
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GradInfo() { }
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GradInfo(double grad_, double new_oil_rate_, bool oil_is_limited_,
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double new_gas_rate_, bool gas_is_limited_,
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double alq_, bool alq_is_limited_) :
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grad{grad_},
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new_oil_rate{new_oil_rate_},
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oil_is_limited{oil_is_limited_},
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new_gas_rate{new_gas_rate_},
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gas_is_limited{gas_is_limited_},
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alq{alq_},
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alq_is_limited{alq_is_limited_} {}
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double grad;
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double new_oil_rate;
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bool oil_is_limited;
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double new_gas_rate;
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bool gas_is_limited;
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double alq;
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bool alq_is_limited;
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};
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virtual ~GasLiftSingleWellGeneric() = default;
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const std::string& name() const { return well_name_; }
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std::optional<GradInfo> calcIncOrDecGradient(double oil_rate, double gas_rate,
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double alq, bool increase) const;
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std::unique_ptr<GasLiftWellState> runOptimize(const int iteration_idx);
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virtual const WellInterfaceGeneric& getStdWell() const = 0;
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protected:
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GasLiftSingleWellGeneric(DeferredLogger &deferred_logger,
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WellState &well_state,
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const Well& ecl_well,
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const SummaryState& summary_state,
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const Schedule& schedule,
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const int report_step_idx);
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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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double bhp;
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std::pair<std::optional<double>,bool> addOrSubtractAlqIncrement(double alq);
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double calcEcoGradient(double oil_rate, double new_oil_rate,
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double gas_rate, double new_gas_rate);
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bool checkAlqOutsideLimits(double alq, double oil_rate);
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bool checkEcoGradient(double gradient);
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bool checkNegativeOilRate(double oil_rate);
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bool checkOilRateExceedsTarget(double oil_rate);
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bool checkRate(double rate, double limit, const std::string &rate_str) const;
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bool checkWellRatesViolated(std::vector<double> &potentials);
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bool computeBhpAtThpLimit(double alq);
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void debugShowIterationInfo(double alq);
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double getBhpWithLimit();
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void warn_(std::string msg) {parent.displayWarning_(msg);}
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};
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std::pair<std::optional<double>, bool>
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addOrSubtractAlqIncrement_(double alq, bool increase) const;
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double calcEcoGradient_(double oil_rate, double new_oil_rate,
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double gas_rate, double new_gas_rate, bool increase) const;
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bool checkALQequal_(double alq1, double alq2) const;
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bool checkInitialALQmodified_(double alq, double initial_alq) const;
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bool checkWellRatesViolated_(std::vector<double>& potentials,
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const std::function<bool(double, double, const std::string &)>& callback,
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bool increase);
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virtual std::optional<double> computeBhpAtThpLimit_(double alq) const = 0;
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virtual void computeWellRates_(double bhp,
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std::vector<double>& potentials,
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bool debug_output = true) const = 0;
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bool computeInitialWellRates_(std::vector<double>& potentials);
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void debugCheckNegativeGradient_(double grad, double alq, double new_alq,
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double oil_rate, double new_oil_rate, double gas_rate,
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double new_gas_rate, bool increase) const;
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void debugShowAlqIncreaseDecreaseCounts_();
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void debugShowBhpAlqTable_();
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void debugShowStartIteration_(double alq, bool increase, double oil_rate);
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void debugShowTargets_();
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void displayDebugMessage_(const std::string& msg) const;
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void displayWarning_(const std::string& warning);
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std::pair<double, bool> getBhpWithLimit_(double bhp) const;
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std::pair<double, bool> getGasRateWithLimit_(const std::vector<double>& potentials) const;
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std::tuple<double,double,bool,bool>
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getInitialRatesWithLimit_(const std::vector<double>& potentials);
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std::pair<double, bool> getOilRateWithLimit_(const std::vector<double>& potentials) const;
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std::tuple<double,double,bool,bool,double>
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increaseALQtoPositiveOilRate_(double alq,
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double oil_rate,
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double gas_rate,
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bool oil_is_limited,
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bool gas_is_limited,
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std::vector<double>& potentials);
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std::tuple<double,double,bool,bool,double>
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increaseALQtoMinALQ_(double alq,
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double oil_rate,
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double gas_rate,
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bool oil_is_limited,
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bool gas_is_limited,
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std::vector<double>& potentials);
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void logSuccess_(double alq,
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const int iteration_idx);
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std::tuple<double,double,bool,bool,double>
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reduceALQtoOilTarget_(double alq,
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double oil_rate,
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double gas_rate,
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bool oil_is_limited,
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bool gas_is_limited,
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std::vector<double>& potentials);
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std::unique_ptr<GasLiftWellState> runOptimize1_();
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std::unique_ptr<GasLiftWellState> runOptimize2_();
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std::unique_ptr<GasLiftWellState> runOptimizeLoop_(bool increase);
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void setAlqMinRate_(const GasLiftOpt::Well& well);
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std::unique_ptr<GasLiftWellState> tryIncreaseLiftGas_();
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std::unique_ptr<GasLiftWellState> tryDecreaseLiftGas_();
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void updateWellStateAlqFixedValue_(const GasLiftOpt::Well& well);
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bool useFixedAlq_(const GasLiftOpt::Well& well);
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void warnMaxIterationsExceeded_();
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DeferredLogger& deferred_logger_;
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WellState& well_state_;
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const Well& ecl_well_;
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const SummaryState& summary_state_;
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const Well::ProductionControls controls_;
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double increment_;
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double max_alq_;
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double min_alq_;
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double orig_alq_;
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double alpha_w_;
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double alpha_g_;
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double 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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int num_phases_;
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std::string well_name_;
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const GasLiftOpt::Well* gl_well_;
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bool optimize_;
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bool debug_; // extra debug output
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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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