BlackoilWellModelGeneric.hpp

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/*
  Copyright 2016 SINTEF ICT, Applied Mathematics.
  Copyright 2016 - 2017 Statoil ASA.
  Copyright 2017 Dr. Blatt - HPC-Simulation-Software & Services
  Copyright 2016 - 2018 IRIS AS
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef OPM_BLACKOILWELLMODEL_GENERIC_HEADER_INCLUDED
#define OPM_BLACKOILWELLMODEL_GENERIC_HEADER_INCLUDED
 
#include <opm/output/data/GuideRateValue.hpp>
 
#include <opm/input/eclipse/Schedule/Group/GuideRate.hpp>
#include <opm/input/eclipse/Schedule/Well/PAvg.hpp>
#include <opm/input/eclipse/Schedule/Well/PAvgCalculator.hpp>
#include <opm/input/eclipse/Schedule/Well/PAvgCalculatorCollection.hpp>
#include <opm/input/eclipse/Schedule/Well/WellTestState.hpp>
 
#include <opm/simulators/flow/NewtonIterationContext.hpp>
#include <opm/simulators/utils/DeferredLoggingErrorHelpers.hpp>
#include <opm/simulators/wells/BlackoilWellModelGenericParameters.hpp>
#include <opm/simulators/wells/BlackoilWellModelWBP.hpp>
#include <opm/simulators/wells/ConnectionIndexMap.hpp>
#include <opm/simulators/wells/ParallelPAvgDynamicSourceData.hpp>
#include <opm/simulators/wells/ParallelWBPCalculation.hpp>
#include <opm/simulators/wells/ParallelWellInfo.hpp>
#include <opm/simulators/wells/PerforationData.hpp>
#include <opm/simulators/wells/WellFilterCake.hpp>
#include <opm/simulators/wells/GroupStateHelper.hpp>
#include <opm/simulators/wells/WellProdIndexCalculator.hpp>
#include <opm/simulators/wells/WellTracerRate.hpp>
#include <opm/simulators/wells/WGState.hpp>
 
#include <algorithm>
#include <cstddef>
#include <functional>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
 
 
namespace Opm {
    class DeferredLogger;
    class EclipseState;
    template<typename Scalar, typename IndexTraits> class BlackoilWellModelGasLiftGeneric;
    template<typename Scalar, typename IndexTraits> class BlackoilWellModelNetworkGeneric;
    template<typename Scalar, typename IndexTraits> class GasLiftGroupInfo;
    template<typename Scalar, typename IndexTraits> class GasLiftSingleWellGeneric;
    template<class Scalar> class GasLiftWellState;
    class Group;
    class GuideRateConfig;
    class RegionVariableCollection;
    class RestartValue;
    class Schedule;
    struct SimulatorUpdate;
    class SummaryConfig;
    template<typename Scalar, typename IndexTraits> class VFPProperties;
    template<typename Scalar, typename IndexTraits> class WellInterfaceGeneric;
    template<typename Scalar, typename IndexTraits> class WellState;
} // namespace Opm
 
namespace Opm { namespace data {
    struct GroupData;
    struct GroupGuideRates;
    class GroupAndNetworkValues;
    struct NodeData;
}} // namespace Opm::data
 
namespace Opm::Parameters {
 
struct EnableTerminalOutput { static constexpr bool value = true; };
 
} // namespace Opm::Parameters
 
namespace Opm {
 
template<typename ScalarT, typename IndexTraitsT>
class BlackoilWellModelGeneric
{
    using GroupStateHelperType =  GroupStateHelper<ScalarT, IndexTraitsT>;
public:
    using Scalar = ScalarT;
    using IndexTraits = IndexTraitsT;
 
    BlackoilWellModelGeneric(Schedule& schedule,
                             BlackoilWellModelGasLiftGeneric<Scalar, IndexTraits>& gaslift,
                             BlackoilWellModelNetworkGeneric<Scalar, IndexTraits>& network,
                             const SummaryState& summaryState,
                             const EclipseState& eclState,
                             const PhaseUsageInfo<IndexTraits>& phase_usage,
                             const Parallel::Communication& comm,
                             const NewtonIterationContext& iter_ctx);
 
    virtual ~BlackoilWellModelGeneric() = default;
    virtual int compressedIndexForInteriorLGR([[maybe_unused]] const std::string& lgr_tag,
                                              [[maybe_unused]] const Connection& conn) const
    {
        throw std::runtime_error("compressedIndexForInteriorLGR not implemented");
    }
 
    int numLocalWells() const;
    int numLocalWellsEnd() const;
    int numLocalNonshutWells() const;
    int numPhases() const;
 
    bool wellsActive() const;
 
    bool hasLocalWell(const std::string& wname) const;
 
    bool hasOpenLocalWell(const std::string& well_name) const;
 
    // whether there exists any multisegment well open on this process
    bool anyMSWellOpenLocal() const;
 
    const std::vector<Well>& eclWells() const
    { return wells_ecl_; }
 
    bool terminalOutput() const
    { return terminal_output_; }
 
    const Well& getWellEcl(const std::string& well_name) const;
    std::vector<Well> getLocalWells(const int timeStepIdx) const;
    const Schedule& schedule() const { return schedule_; }
    const PhaseUsageInfo<IndexTraits>& phaseUsage() const { return phase_usage_info_; }
    const GroupState<Scalar>& groupState() const { return this->active_wgstate_.group_state; }
    std::vector<const WellInterfaceGeneric<Scalar, IndexTraits>*> genericWells() const
    { return {well_container_generic_.begin(), well_container_generic_.end()}; }
 
    std::vector<WellInterfaceGeneric<Scalar, IndexTraits>*> genericWells()
    { return well_container_generic_; }
 
    /*
      Immutable version of the currently active wellstate.
    */
    const WellState<Scalar, IndexTraits>& wellState() const
    {
        return this->active_wgstate_.well_state;
    }
 
    /*
      Mutable version of the currently active wellstate.
    */
    WellState<Scalar, IndexTraits>& wellState()
    {
        return this->active_wgstate_.well_state;
    }
 
    /*
      Will return the currently active nupcolWellState; must update
      the internal nupcol wellstate with updateNupcolWGState() first.
 
      Both const and non-const accessors are provided. The non-const
      accessor is required for the WellStateGuard pattern and pushWellState()
      in WellGroupHelper, which temporarily switches WellGroupHelper to use this state.
    */
    const WellState<Scalar, IndexTraits>& nupcolWellState() const
    {
        return this->nupcol_wgstate_.well_state;
    }
    WellState<Scalar, IndexTraits>& nupcolWellState()
    {
        return this->nupcol_wgstate_.well_state;
    }
    GroupState<Scalar>& groupState() { return this->active_wgstate_.group_state; }
 
    WellTestState& wellTestState() { return this->active_wgstate_.well_test_state; }
 
    const WellTestState& wellTestState() const { return this->active_wgstate_.well_test_state; }
 
    Scalar wellPI(const int well_index) const;
    Scalar wellPI(const std::string& well_name) const;
 
    void updateEclWells(const int timeStepIdx,
                        const SimulatorUpdate& sim_update,
                        const SummaryState& st);
 
    void initFromRestartFile(const RestartValue& restartValues,
                             std::unique_ptr<WellTestState> wtestState,
                             const std::size_t numCells,
                             bool enable_distributed_wells);
 
    void prepareDeserialize(int report_step,
                            const std::size_t numCells,
                            bool enable_distributed_wells);
 
    /*
      Will assign the internal member last_valid_well_state_ to the
      current value of the this->active_well_state_. The state stored
      with storeWellState() can then subsequently be recovered with the
      resetWellState() method.
    */
    void commitWGState();
 
    data::GroupAndNetworkValues groupAndNetworkData(const int reportStepIdx) const;
 
    // Snapshot dynamic state at start of timestep for failure recovery.
    void advanceTimeLevel()
    {
        if (enable_state_rollback_) {
            this->prev_timestep_state_.wgstate = this->active_wgstate_;
            this->prev_timestep_state_.nupcol_wgstate = this->nupcol_wgstate_;
            this->prev_timestep_state_.closed_this_step = this->closed_this_step_;
            this->prev_timestep_state_.well_open_times = this->well_open_times_;
            this->prev_timestep_state_.well_close_times = this->well_close_times_;
            this->genNetwork_.commitState();
        }
    }
 
    void updateFailed()
    {
        if (enable_state_rollback_) {
            this->active_wgstate_ = this->prev_timestep_state_.wgstate;
            this->nupcol_wgstate_ = this->prev_timestep_state_.nupcol_wgstate;
            this->closed_this_step_ = this->prev_timestep_state_.closed_this_step;
            this->well_open_times_ = this->prev_timestep_state_.well_open_times;
            this->well_close_times_ = this->prev_timestep_state_.well_close_times;
            this->genNetwork_.resetState();
            this->group_state_helper_.updateState(this->wellState(), this->groupState());
        }
    }
 
    void reportIntervalConnectionOilProduction(const double              dt,
                                               const std::size_t         conn_opt_ix,
                                               RegionVariableCollection& regVars) const;
    bool forceShutWellByName(const std::string& wellname,
                             const double simulation_time,
                             const bool dont_shut_grup_wells);
 
    const std::vector<PerforationData<Scalar>>& perfData(const int well_idx) const
    { return well_perf_data_[well_idx]; }
 
    const Parallel::Communication& comm() const { return comm_; }
 
    const EclipseState& eclipseState() const { return eclState_; }
 
    const SummaryState& summaryState() const { return summaryState_; }
 
    const GuideRate& guideRate() const { return guideRate_; }
    GuideRate& guideRate() { return guideRate_; }
 
    const std::map<std::string, double>& wellOpenTimes() const { return well_open_times_; }
    const std::map<std::string, double>& wellCloseTimes() const { return well_close_times_; }
    const WellGroupEvents& reportStepStartEvents() const { return report_step_start_events_; }
 
    std::vector<int> getCellsForConnections(const Well& well) const;
 
    bool reportStepStarts() const { return report_step_starts_; }
 
    void updateClosedWellsThisStep(const std::string& well_name) const
    {
        this->closed_this_step_.insert(well_name);
    }
    bool wasDynamicallyShutThisTimeStep(const std::string& well_name) const;
 
    void logPrimaryVars() const;
 
    template<class Serializer>
    void serializeOp(Serializer& serializer)
    {
        serializer(initial_step_);
        serializer(report_step_starts_);
        serializer(last_run_wellpi_);
        serializer(well_perf_data_);
        serializer(local_shut_wells_);
        serializer(closed_this_step_);
        serializer(guideRate_);
        serializer(genNetwork_);
        serializer(prev_inj_multipliers_);
        serializer(filter_cake_);
        serializer(active_wgstate_);
        serializer(last_valid_wgstate_);
        serializer(nupcol_wgstate_);
        serializer(switched_prod_groups_);
        serializer(switched_inj_groups_);
        serializer(closed_offending_wells_);
        serializer(gen_gaslift_);
    }
 
    bool operator==(const BlackoilWellModelGeneric& rhs) const;
 
    const ParallelWellInfo<Scalar>&
    parallelWellInfo(const std::size_t idx) const
    { return local_parallel_well_info_[idx].get(); }
 
    bool isOwner(const std::string& wname) const
    {
        return this->parallelWellSatisfies
            (wname, [](const auto& pwInfo) { return pwInfo.isOwner(); });
    }
 
    bool hasLocalCells(const std::string& wname) const
    {
        return this->parallelWellSatisfies
            (wname, [](const auto& pwInfo) { return pwInfo.hasLocalCells(); });
    }
 
    const ConnectionIndexMap& connectionIndexMap(const std::size_t idx)
    { return conn_idx_map_[idx]; }
 
    GroupStateHelperType& groupStateHelper() { return group_state_helper_; }
    const GroupStateHelperType& groupStateHelper() const { return group_state_helper_; }
    std::pair<int, int> getGroupFipnumAndPvtreg() const;
 
    virtual void calcResvCoeff(const int fipnum,
                               const int pvtreg,
                               const std::vector<Scalar>& production_rates,
                               std::vector<Scalar>& resv_coeff) const = 0;
    virtual void calcInjResvCoeff(const int fipnum,
                                  const int pvtreg,
                                  std::vector<Scalar>& resv_coeff) const = 0;
 
    const VFPProperties<Scalar,IndexTraits>& getVFPProperties() const
    {
        return *vfp_properties_;
    }
 
    void updateAndCommunicateGroupData(const int reportStepIdx,
                                       // we only want to update the wellgroup target
                                       // after the groups have found their controls
                                       const bool update_wellgrouptarget);
 
    const NewtonIterationContext& iterationContext() const
    { return iter_ctx_; }
 
    const EclipseState& eclState() const
    { return eclState_; }
 
protected:
    /*
      The dynamic state of the well model is maintained with an instance
      of the WellState class. Currently we have
      three different wellstate instances:
 
       1. The currently active wellstate is in the active_well_state_
          member. That is the state which is mutated by the simulator.
 
       2. In the case timestep fails to converge and we must go back and
          try again with a smaller timestep we need to recover the last
          valid wellstate. This is maintained with the
          last_valid_well_state_ member and the functions
          commitWGState() and resetWellState().
 
        3. For the NUPCOL functionality we should either use the
           currently active wellstate or a wellstate frozen at max
           nupcol iterations. This is handled with the member
           nupcol_well_state_ and the updateNupcolWGState() function.
    */
 
    /*
      Will return the last good wellstate. This is typcially used when
      initializing a new report step where the Schedule object might
      have introduced new wells. The wellstate returned by
      prevWellState() must have been stored with the commitWGState()
      function first.
    */
    const WellState<Scalar, IndexTraits>& prevWellState() const
    {
        return this->last_valid_wgstate_.well_state;
    }
 
    const WGState<Scalar, IndexTraits>& prevWGState() const
    {
        return this->last_valid_wgstate_;
    }
 
    /*
      Will store a copy of the input argument well_state in the
      last_valid_well_state_ member, that state can then be recovered
      with a subsequent call to resetWellState().
    */
    void commitWGState(WGState<Scalar, IndexTraits> wgstate)
    {
        this->last_valid_wgstate_ = std::move(wgstate);
    }
 
    /*
      Will update the internal variable active_well_state_ to whatever
      was stored in the last_valid_well_state_ member. This function
      works in pair with commitWellState() which should be called first.
    */
    void resetWGState()
    {
        this->active_wgstate_ = this->last_valid_wgstate_;
        this->genNetwork_.resetState();
        // Update helper pointers to reference the restored active state
        this->group_state_helper_.updateState(this->wellState(), this->groupState());
    }
 
    /*
      Will store the current active wellstate in the nupcol_well_state_
      member. This can then be subsequently retrieved with accessor
      nupcolWellState().
    */
    void updateNupcolWGState()
    {
        this->nupcol_wgstate_ = this->active_wgstate_;
    }
 
    void reportGroupSwitching(DeferredLogger& local_deferredLogger) const;
 
    std::vector<std::reference_wrapper<ParallelWellInfo<Scalar>>>
    createLocalParallelWellInfo(const std::vector<Well>& wells);
 
    const ParallelWellInfo<Scalar>* findParallelWellInfo(const std::string& wname) const;
 
    ParallelWellInfo<Scalar>* findParallelWellInfo(const std::string& wname);
 
    void registerNewParallelWells(int reportStepIdx);
    void initializeWellProdIndCalculators();
    void initializeWellPerfData();
 
    bool wasDynamicallyShutThisTimeStep(const std::size_t well_index) const;
 
    void updateWsolvent(const Group& group,
                        const int reportStepIdx,
                        const WellState<Scalar, IndexTraits>& wellState);
    void setWsolvent(const Group& group,
                     const int reportStepIdx,
                     Scalar wsolvent);
 
    void assignDynamicWellStatus(data::Wells& wsrpt) const;
 
    void assignShutConnections(data::Wells& wsrpt,
                               const int reportStepIndex) const;
 
    void assignWellTargets(data::Wells& wsrpt) const;
    void assignProductionWellTargets(const Well& well, data::WellControlLimits& limits) const;
    void assignInjectionWellTargets(const Well& well, data::WellControlLimits& limits) const;
 
    void assignGroupControl(const Group& group,
                            data::GroupData& gdata) const;
    void assignGroupValues(const int reportStepIdx,
                           std::map<std::string, data::GroupData>& gvalues) const;
 
    void calculateEfficiencyFactors(const int reportStepIdx);
 
    void checkGconsaleLimits(const Group& group,
                             WellState<Scalar, IndexTraits>& well_state,
                             const int reportStepIdx,
                             DeferredLogger& deferred_logger);
 
    void checkGEconLimits(const Group& group,
                          const double simulation_time,
                          const int report_step_idx,
                          DeferredLogger& deferred_logger);
 
    bool checkGroupHigherConstraints(const Group& group,
                                     DeferredLogger& deferred_logger,
                                     const int reportStepIdx,
                                     const bool update_group_switching_log);
 
    void inferLocalShutWells();
 
    void setRepRadiusPerfLength();
 
    virtual void computePotentials(const std::size_t widx,
                                   const WellState<Scalar, IndexTraits>& well_state_copy,
                                   std::string& exc_msg,
                                   ExceptionType::ExcEnum& exc_type) = 0;
 
    // Calculating well potentials for each well
    void updateWellPotentials(const int reportStepIdx,
                              const bool onlyAfterEvent,
                              const SummaryConfig& summaryConfig,
                              DeferredLogger& deferred_logger);
 
    void initInjMult();
 
    void updateInjMult(DeferredLogger& deferred_logger);
    void updateInjFCMult(DeferredLogger& deferred_logger);
 
    void updateFiltrationModelsPostStep(const double dt,
                                        const std::size_t water_index,
                                        DeferredLogger& deferred_logger);
 
    void updateFiltrationModelsPreStep(DeferredLogger& deferred_logger);
 
    // create the well container
    virtual void createWellContainer(const int time_step) = 0;
    virtual void initWellContainer(const int reportStepIdx) = 0;
 
    virtual void calculateProductivityIndexValuesShutWells(const int reportStepIdx,
                                                           DeferredLogger& deferred_logger) = 0;
    virtual void calculateProductivityIndexValues(DeferredLogger& deferred_logger) = 0;
 
    void runWellPIScaling(const int reportStepIdx,
                          DeferredLogger& local_deferredLogger);
 
    virtual int compressedIndexForInterior(int cartesian_cell_idx) const = 0;
 
    std::vector<std::vector<int>> getMaxWellConnections() const;
 
    std::vector<std::string> getWellsForTesting(const int timeStepIdx,
                                                const double simulationTime);
 
    using WellTracerRates = std::unordered_map<int, std::vector<WellTracerRate<Scalar>>>;
    void assignWellTracerRates(data::Wells& wsrpt,
                               const WellTracerRates& wellTracerRates,
                               const unsigned reportStep) const;
 
    using MswTracerRates = std::unordered_map<int, std::vector<MSWellTracerRate<Scalar>>>;
    void assignMswTracerRates(data::Wells& wsrpt,
                              const MswTracerRates& mswTracerRates,
                              const unsigned reportStep) const;
 
    void assignMassGasRate(data::Wells& wsrpt,
                           const Scalar gasDensity) const;
 
    Schedule& schedule_;
 
    const SummaryState& summaryState_;
    const EclipseState& eclState_;
    const Parallel::Communication& comm_;
    const BlackoilWellModelGenericParameters<Scalar> param_;
    const NewtonIterationContext& iter_ctx_;
    BlackoilWellModelGasLiftGeneric<Scalar, IndexTraits>& gen_gaslift_;
    BlackoilWellModelWBP<Scalar, IndexTraits> wbp_;
 
    const PhaseUsageInfo<IndexTraits>& phase_usage_info_;
    bool terminal_output_{false};
    bool wells_active_{false};
    bool initial_step_{};
    bool report_step_starts_{};
    bool deserialized_state_pending_{false};
 
    std::optional<int> last_run_wellpi_{};
 
    std::vector<Well> wells_ecl_;
    std::vector<std::vector<PerforationData<Scalar>>> well_perf_data_;
 
    // Times at which wells were opened (for WCYCLE)
    std::map<std::string, double> well_open_times_;
 
    // Times at which wells were shut (for WCYCLE)
    std::map<std::string, double> well_close_times_;
 
    std::vector<ConnectionIndexMap> conn_idx_map_{};
    std::function<bool(const std::string&)> not_on_process_{};
 
    // a vector of all the wells.
    std::vector<WellInterfaceGeneric<Scalar, IndexTraits>*> well_container_generic_{};
 
    std::vector<int> local_shut_wells_{};
 
    // Sorted on well name.  Held by pointer so that entries added for wells
    // that appear mid-run (ACTIONX) do not invalidate references handed out
    // earlier, e.g. those held by the well container and the well state.
    std::vector<std::unique_ptr<ParallelWellInfo<Scalar>>> parallel_well_info_;
    std::vector<std::reference_wrapper<ParallelWellInfo<Scalar>>> local_parallel_well_info_;
 
    std::vector<WellProdIndexCalculator<Scalar>> prod_index_calc_;
 
    std::vector<int> pvt_region_idx_;
 
    mutable std::unordered_set<std::string> closed_this_step_;
 
    GuideRate guideRate_;
    std::unique_ptr<VFPProperties<Scalar, IndexTraits>> vfp_properties_{};
 
    // previous injection multiplier, it is used in the injection multiplier calculation for WINJMULT keyword
    std::unordered_map<std::string, std::vector<Scalar>> prev_inj_multipliers_;
 
    // Handling for filter cake injection multipliers
    std::unordered_map<std::string, WellFilterCake<Scalar, IndexTraits>> filter_cake_;
 
    /*
      The various wellState members should be accessed and modified
      through the accessor functions wellState(), prevWellState(),
      commitWellState(), resetWellState(), nupcolWellState() and
      updateNupcolWGState().
    */
    WGState<Scalar, IndexTraits> active_wgstate_;
    WGState<Scalar, IndexTraits> last_valid_wgstate_;
    WGState<Scalar, IndexTraits> nupcol_wgstate_;
 
    struct PrevTimestepState
    {
        explicit PrevTimestepState(const PhaseUsageInfo<IndexTraits>& pu)
            : wgstate(pu), nupcol_wgstate(pu)
        {}
 
        WGState<Scalar, IndexTraits> wgstate;        
        WGState<Scalar, IndexTraits> nupcol_wgstate; 
        std::unordered_set<std::string> closed_this_step; 
        std::map<std::string, double> well_open_times;    
        std::map<std::string, double> well_close_times;   
    };
 
    PrevTimestepState prev_timestep_state_;
    GroupStateHelperType group_state_helper_;
    WellGroupEvents report_step_start_events_; 
 
    bool wellStructureChangedDynamically_{false};
 
    // Store maps of group name and new group controls for output
    std::map<std::string, std::vector<Group::ProductionCMode>> switched_prod_groups_;
    std::map<std::string, std::array<std::vector<Group::InjectionCMode>, 3>> switched_inj_groups_;
    // Store map of group name and close offending well for output
    std::map<std::string, std::pair<std::string, std::string>> closed_offending_wells_;
 
    BlackoilWellModelNetworkGeneric<Scalar,IndexTraits>& genNetwork_;
    bool enable_state_rollback_{false};
 
    bool allConnectionsClosed(const Well& well_ecl) const;
 
private:
    WellInterfaceGeneric<Scalar, IndexTraits>* getGenWell(const std::string& well_name);
 
    template <typename Iter, typename Body>
    void wellUpdateLoop(Iter first, Iter last, const int timeStepIdx, Body&& body);
 
    void updateEclWellsConstraints(const int timeStepIdx,
                                   const SimulatorUpdate& sim_update,
                                   const SummaryState& st);
 
    void updateEclWellsCTFFromAction(const int timeStepIdx,
                                     const SimulatorUpdate& sim_update);
 
    template <typename Predicate>
    bool parallelWellSatisfies(const std::string& wname, Predicate&& p) const
    {
        const auto* pwInfo = this->findParallelWellInfo(wname);
 
        return (pwInfo != nullptr) && p(*pwInfo);
    }
 
    template <typename LoopBody>
    void loopOwnedWells(LoopBody&& loopBody) const;
};
 
} // namespace Opm
 
#endif