mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-25 16:51:00 -06:00
c2916bc7d9
Fixes a bug in recalculateGradientAndUpdateData_() if gaslift stage2. Also adds some more debugging output.
372 lines
15 KiB
C++
372 lines
15 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 <dune/common/version.hh>
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#include <dune/common/parallel/mpihelper.hh>
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#include <opm/core/props/BlackoilPhases.hpp>
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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 <opm/simulators/wells/GroupState.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 GasLiftWell;
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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 GroupState;
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class GasLiftSingleWellGeneric : public GasLiftCommon
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{
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protected:
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static constexpr int Water = BlackoilPhases::Aqua;
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static constexpr int Oil = BlackoilPhases::Liquid;
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static constexpr int Gas = BlackoilPhases::Vapour;
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static constexpr int NUM_PHASES = 3;
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static constexpr double ALQ_EPSILON = 1e-8;
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public:
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using GLiftSyncGroups = std::set<int>;
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using Rate = GasLiftGroupInfo::Rate;
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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 new_water_rate_, bool water_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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new_water_rate{new_water_rate_},
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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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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 new_water_rate;
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bool water_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 water_rate,
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double alq,
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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
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) const;
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std::unique_ptr<GasLiftWellState> runOptimize(const int iteration_idx);
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virtual const WellInterfaceGeneric& getWell() const = 0;
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protected:
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GasLiftSingleWellGeneric(
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DeferredLogger& deferred_logger,
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WellState& well_state,
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const GroupState& group_state,
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const Well& ecl_well,
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const SummaryState& summary_state,
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GasLiftGroupInfo& group_info,
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const PhaseUsage& phase_usage,
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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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);
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struct LimitedRates;
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struct BasicRates
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{
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BasicRates(const BasicRates& 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_is_limited{rates.bhp_is_limited}
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{}
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BasicRates(double oil_, double gas_, double water_, 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_is_limited{bhp_is_limited_}
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{}
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BasicRates& operator=(const BasicRates& 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_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 LimitedRates
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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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BasicRates(const LimitedRates& rates);
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double operator[](Rate rate_type) const {
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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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double oil, gas, water;
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bool bhp_is_limited;
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};
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struct LimitedRates : public BasicRates
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{
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enum class LimitType {well, group, none};
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LimitedRates(
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double oil_, double gas_, double water_,
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bool oil_is_limited_, bool gas_is_limited_,
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bool water_is_limited_, bool bhp_is_limited_,
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std::optional<Rate> oil_limiting_target_,
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std::optional<Rate> water_limiting_target_
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) :
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BasicRates(oil_, gas_, water_, bhp_is_limited_),
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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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oil_limiting_target{oil_limiting_target_},
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water_limiting_target{water_limiting_target_}
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{
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set_initial_limit_type_();
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}
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LimitedRates(
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const BasicRates& rates,
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bool oil_is_limited_, bool gas_is_limited_,
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bool water_is_limited_
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) :
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BasicRates(rates),
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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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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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bool oil_is_limited;
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bool gas_is_limited;
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bool water_is_limited;
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std::optional<Rate> oil_limiting_target;
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std::optional<Rate> water_limiting_target;
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private:
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void set_initial_limit_type_() {
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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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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 checkOilRateExceedsTarget(double oil_rate);
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bool checkRatesViolated(const LimitedRates& rates) const;
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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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bool checkGroupALQrateExceeded(double delta_alq, const std::string& gr_name_dont_limit = "") const;
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bool checkGroupTotalRateExceeded(double delta_alq, double delta_gas_rate) const;
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std::pair<std::optional<double>, bool> addOrSubtractAlqIncrement_(
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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 checkGroupTargetsViolated(
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const BasicRates& rates, const BasicRates& new_rates) const;
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bool checkInitialALQmodified_(double alq, double initial_alq) const;
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virtual bool checkThpControl_() const = 0;
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virtual std::optional<double> computeBhpAtThpLimit_(double alq, bool debug_output = true) const = 0;
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std::pair<std::optional<double>,double> computeConvergedBhpAtThpLimitByMaybeIncreasingALQ_() const;
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std::pair<std::optional<BasicRates>,double> computeInitialWellRates_() const;
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std::optional<LimitedRates> computeLimitedWellRatesWithALQ_(double alq) const;
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virtual BasicRates computeWellRates_(double bhp, bool bhp_is_limited, bool debug_output = true) const = 0;
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std::optional<BasicRates> computeWellRatesWithALQ_(double alq) const;
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void debugCheckNegativeGradient_(double grad, double alq, double new_alq,
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double oil_rate, double new_oil_rate,
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double gas_rate, double 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 LimitedRates& rates) const;
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void debugShowProducerControlMode() const;
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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 override;
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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_(
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const BasicRates& rates) const;
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std::pair<double, bool> getGasRateWithGroupLimit_(
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double new_gas_rate, double gas_rate, const std::string& gr_name_dont_limit) const;
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std::pair<std::optional<LimitedRates>,double> getInitialRatesWithLimit_() const;
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LimitedRates getLimitedRatesFromRates_(const BasicRates& rates) const;
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std::tuple<double,double,bool,bool> getLiquidRateWithGroupLimit_(
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const double new_oil_rate, const double oil_rate,
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const double new_water_rate, const double water_rate, const std::string& gr_name_dont_limit) const;
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std::pair<double, bool> getOilRateWithGroupLimit_(
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double new_oil_rate, double oil_rate, const std::string& gr_name_dont_limit) const;
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std::pair<double, bool> getOilRateWithLimit_(const BasicRates& rates) const;
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std::pair<double, std::optional<Rate>> getOilRateWithLimit2_(
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const BasicRates& rates) const;
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double getProductionTarget_(Rate rate) const;
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double getRate_(Rate rate_type, const BasicRates& rates) const;
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std::pair<double, std::optional<Rate>> getRateWithLimit_(
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Rate rate_type, const BasicRates& rates) const;
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std::tuple<double, const std::string*, double> getRateWithGroupLimit_(
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Rate rate_type, const double new_rate, const double old_rate, const std::string& gr_name_dont_limit) const;
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std::pair<double, bool> getWaterRateWithGroupLimit_(
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double new_water_rate, double water_rate, const std::string& gr_name_dont_limit) const;
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std::pair<double, bool> getWaterRateWithLimit_(const BasicRates& rates) const;
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std::pair<double, std::optional<Rate>> getWaterRateWithLimit2_(
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const BasicRates& rates) const;
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BasicRates getWellStateRates_() const;
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bool hasProductionControl_(Rate rate) const;
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std::pair<LimitedRates, double> increaseALQtoPositiveOilRate_(
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double alq, const LimitedRates& orig_rates) const;
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std::pair<LimitedRates, double> increaseALQtoMinALQ_(
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double alq, const LimitedRates& orig_rates) const;
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void logSuccess_(double alq,
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const int iteration_idx);
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std::pair<LimitedRates, double> maybeAdjustALQbeforeOptimizeLoop_(
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const LimitedRates& rates, double alq, bool increase) const;
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std::pair<LimitedRates, double> reduceALQtoGroupAlqLimits_(
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double alq, const LimitedRates& rates) const;
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std::pair<LimitedRates, double> reduceALQtoGroupTarget(
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double alq, const LimitedRates& rates) const;
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std::pair<LimitedRates, double> reduceALQtoWellTarget_(
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double alq, const LimitedRates& rates) const;
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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 GasLiftWell& well);
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std::unique_ptr<GasLiftWellState> tryIncreaseLiftGas_();
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std::unique_ptr<GasLiftWellState> tryDecreaseLiftGas_();
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void updateGroupRates_(
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const LimitedRates& rates,
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const LimitedRates& new_rates,
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double delta_alq) const;
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LimitedRates updateRatesToGroupLimits_(
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const BasicRates& rates, const LimitedRates& new_rates, 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(
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Rate rate_type, const std::string& gr_name, double rate, double 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& group_info_;
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const PhaseUsage& phase_usage_;
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GLiftSyncGroups& sync_groups_;
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const WellProductionControls 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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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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