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opm-simulators/opm/simulators/wells/BlackoilWellModelGeneric.cpp
Arne Morten Kvarving 72133deadc added: support for loading serialized state from .OPMRST file
2023-02-16 13:48:36 +01:00

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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/>.
*/
#include <config.h>
#include <opm/simulators/wells/BlackoilWellModelGeneric.hpp>
#include <opm/common/ErrorMacros.hpp>
#include <opm/output/data/GuideRateValue.hpp>
#include <opm/output/data/Groups.hpp>
#include <opm/output/data/Wells.hpp>
#include <opm/output/eclipse/RestartValue.hpp>
#include <opm/input/eclipse/EclipseState/EclipseState.hpp>
#include <opm/input/eclipse/Schedule/Group/GConSale.hpp>
#include <opm/input/eclipse/Schedule/Group/GConSump.hpp>
#include <opm/input/eclipse/Schedule/Group/GuideRateConfig.hpp>
#include <opm/input/eclipse/Schedule/Group/GuideRate.hpp>
#include <opm/input/eclipse/Schedule/Network/Balance.hpp>
#include <opm/input/eclipse/Schedule/Network/ExtNetwork.hpp>
#include <opm/input/eclipse/Schedule/Schedule.hpp>
#include <opm/input/eclipse/Schedule/Well/WellConnections.hpp>
#include <opm/input/eclipse/Schedule/Well/WellTestConfig.hpp>
#include <opm/input/eclipse/EclipseState/SummaryConfig/SummaryConfig.hpp>
#include <opm/simulators/utils/DeferredLogger.hpp>
#include <opm/simulators/wells/BlackoilWellModelConstraints.hpp>
#include <opm/simulators/wells/BlackoilWellModelGuideRates.hpp>
#include <opm/simulators/wells/BlackoilWellModelRestart.hpp>
#include <opm/simulators/wells/GasLiftStage2.hpp>
#include <opm/simulators/wells/VFPProperties.hpp>
#include <opm/simulators/wells/WellGroupHelpers.hpp>
#include <opm/simulators/wells/WellInterfaceGeneric.hpp>
#include <opm/simulators/wells/WellState.hpp>
#include <algorithm>
#include <cassert>
#include <functional>
#include <stack>
#include <stdexcept>
#include <string_view>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <fmt/format.h>
namespace Opm {
BlackoilWellModelGeneric::
BlackoilWellModelGeneric(Schedule& schedule,
const SummaryState& summaryState,
const EclipseState& eclState,
const PhaseUsage& phase_usage,
const Parallel::Communication& comm)
: schedule_(schedule)
, summaryState_(summaryState)
, eclState_(eclState)
, comm_(comm)
, phase_usage_(phase_usage)
, guideRate_(schedule)
, active_wgstate_(phase_usage)
, last_valid_wgstate_(phase_usage)
, nupcol_wgstate_(phase_usage)
{
const auto numProcs = comm_.size();
this->not_on_process_ = [this, numProcs](const Well& well) {
if (numProcs == decltype(numProcs){1})
return false;
// Recall: false indicates NOT active!
const auto value = std::make_pair(well.name(), true);
auto candidate = std::lower_bound(this->parallel_well_info_.begin(),
this->parallel_well_info_.end(),
value);
return (candidate == this->parallel_well_info_.end())
|| (*candidate != value);
};
}
int
BlackoilWellModelGeneric::
numLocalWells() const
{
return wells_ecl_.size();
}
int
BlackoilWellModelGeneric::
numPhases() const
{
return phase_usage_.num_phases;
}
bool
BlackoilWellModelGeneric::
hasWell(const std::string& wname) const
{
return std::any_of(this->wells_ecl_.begin(), this->wells_ecl_.end(),
[&wname](const Well& well)
{
return well.name() == wname;
});
}
bool
BlackoilWellModelGeneric::
wellsActive() const
{
return wells_active_;
}
bool
BlackoilWellModelGeneric::
anyMSWellOpenLocal() const
{
for (const auto& well : wells_ecl_) {
if (well.isMultiSegment()) {
return true;
}
}
return false;
}
const Well&
BlackoilWellModelGeneric::
getWellEcl(const std::string& well_name) const
{
// finding the iterator of the well in wells_ecl
auto well_ecl = std::find_if(wells_ecl_.begin(),
wells_ecl_.end(),
[&well_name](const Well& elem)->bool {
return elem.name() == well_name;
});
assert(well_ecl != wells_ecl_.end());
return *well_ecl;
}
void
BlackoilWellModelGeneric::
initFromRestartFile(const RestartValue& restartValues,
WellTestState wtestState,
const size_t numCells,
bool handle_ms_well)
{
// The restart step value is used to identify wells present at the given
// time step. Wells that are added at the same time step as RESTART is initiated
// will not be present in a restart file. Use the previous time step to retrieve
// wells that have information written to the restart file.
const int report_step = std::max(eclState_.getInitConfig().getRestartStep() - 1, 0);
const auto& config = this->schedule()[report_step].guide_rate();
// wells_ecl_ should only contain wells on this processor.
wells_ecl_ = getLocalWells(report_step);
this->local_parallel_well_info_ = createLocalParallelWellInfo(wells_ecl_);
this->initializeWellProdIndCalculators();
initializeWellPerfData();
if (! this->wells_ecl_.empty()) {
handle_ms_well &= anyMSWellOpenLocal();
// Resize for restart step
this->wellState().resize(this->wells_ecl_, this->local_parallel_well_info_,
this->schedule(), handle_ms_well, numCells,
this->well_perf_data_, this->summaryState_);
BlackoilWellModelRestart(*this).loadRestartData(restartValues.wells,
restartValues.grp_nwrk,
handle_ms_well,
this->wellState(),
this->groupState());
if (config.has_model()) {
BlackoilWellModelRestart(*this).loadRestartGuideRates(report_step,
config.model().target(),
restartValues.wells,
this->guideRate_);
}
}
if (config.has_model()) {
BlackoilWellModelRestart(*this).loadRestartGuideRates(report_step,
config,
restartValues.grp_nwrk.groupData,
this->guideRate_);
this->guideRate_.updateGuideRateExpiration(this->schedule().seconds(report_step), report_step);
}
this->active_wgstate_.wtest_state(std::move(wtestState));
this->commitWGState();
initial_step_ = false;
}
void
BlackoilWellModelGeneric::
prepareDeserialize(int report_step, const size_t numCells, bool handle_ms_well)
{
// wells_ecl_ should only contain wells on this processor.
wells_ecl_ = getLocalWells(report_step);
this->local_parallel_well_info_ = createLocalParallelWellInfo(wells_ecl_);
this->initializeWellProdIndCalculators();
initializeWellPerfData();
if (! this->wells_ecl_.empty()) {
handle_ms_well &= anyMSWellOpenLocal();
this->wellState().resize(this->wells_ecl_, this->local_parallel_well_info_,
this->schedule(), handle_ms_well, numCells,
this->well_perf_data_, this->summaryState_);
}
this->wellState().clearWellRates();
this->commitWGState();
this->updateNupcolWGState();
}
std::vector<Well>
BlackoilWellModelGeneric::
getLocalWells(const int timeStepIdx) const
{
auto w = schedule().getWells(timeStepIdx);
w.erase(std::remove_if(w.begin(), w.end(), not_on_process_), w.end());
return w;
}
std::vector<std::reference_wrapper<ParallelWellInfo>>
BlackoilWellModelGeneric::
createLocalParallelWellInfo(const std::vector<Well>& wells)
{
std::vector<std::reference_wrapper<ParallelWellInfo>> local_parallel_well_info;
local_parallel_well_info.reserve(wells.size());
for (const auto& well : wells)
{
auto wellPair = std::make_pair(well.name(), true);
auto pwell = std::lower_bound(parallel_well_info_.begin(),
parallel_well_info_.end(),
wellPair);
assert(pwell != parallel_well_info_.end() &&
*pwell == wellPair);
local_parallel_well_info.push_back(std::ref(*pwell));
}
return local_parallel_well_info;
}
void
BlackoilWellModelGeneric::
initializeWellProdIndCalculators()
{
this->prod_index_calc_.clear();
this->prod_index_calc_.reserve(this->wells_ecl_.size());
for (const auto& well : this->wells_ecl_) {
this->prod_index_calc_.emplace_back(well);
}
}
void
BlackoilWellModelGeneric::
initializeWellPerfData()
{
well_perf_data_.resize(wells_ecl_.size());
int well_index = 0;
for (const auto& well : wells_ecl_) {
int connection_index = 0;
// INVALID_ECL_INDEX marks no above perf available
int connection_index_above = ParallelWellInfo::INVALID_ECL_INDEX;
well_perf_data_[well_index].clear();
well_perf_data_[well_index].reserve(well.getConnections().size());
CheckDistributedWellConnections checker(well, local_parallel_well_info_[well_index].get());
bool hasFirstConnection = false;
bool firstOpenConnection = true;
auto& parallelWellInfo = this->local_parallel_well_info_[well_index].get();
parallelWellInfo.beginReset();
for (const auto& connection : well.getConnections()) {
const int active_index = compressedIndexForInterior(connection.global_index());
if (connection.state() == Connection::State::OPEN) {
if (active_index >= 0) {
if (firstOpenConnection)
{
hasFirstConnection = true;
}
checker.connectionFound(connection_index);
PerforationData pd;
pd.cell_index = active_index;
pd.connection_transmissibility_factor = connection.CF();
pd.satnum_id = connection.satTableId();
pd.ecl_index = connection_index;
well_perf_data_[well_index].push_back(pd);
parallelWellInfo.pushBackEclIndex(connection_index_above,
connection_index);
}
firstOpenConnection = false;
// Next time this index is the one above as each open connection is
// is stored somehwere.
connection_index_above = connection_index;
} else {
checker.connectionFound(connection_index);
if (connection.state() != Connection::State::SHUT) {
OPM_THROW(std::runtime_error,
"Connection state: " +
Connection::State2String(connection.state()) +
" not handled");
}
}
// Note: we rely on the connections being filtered! I.e. there are only connections
// to active cells in the global grid.
++connection_index;
}
parallelWellInfo.endReset();
checker.checkAllConnectionsFound();
parallelWellInfo.communicateFirstPerforation(hasFirstConnection);
++well_index;
}
}
void
BlackoilWellModelGeneric::
checkGconsaleLimits(const Group& group,
WellState& well_state,
const int reportStepIdx,
DeferredLogger& deferred_logger)
{
// call recursively down the group hiearchy
for (const std::string& groupName : group.groups()) {
checkGconsaleLimits( schedule().getGroup(groupName, reportStepIdx), well_state, reportStepIdx, deferred_logger);
}
// only for groups with gas injection controls
if (!group.hasInjectionControl(Phase::GAS)) {
return;
}
// check if gconsale is used for this group
if (!schedule()[reportStepIdx].gconsale().has(group.name()))
return;
std::string ss;
const auto& gconsale = schedule()[reportStepIdx].gconsale().get(group.name(), summaryState_);
const Group::ProductionCMode& oldProductionControl = this->groupState().production_control(group.name());
int gasPos = phase_usage_.phase_pos[BlackoilPhases::Vapour];
double production_rate = WellGroupHelpers::sumWellSurfaceRates(group, schedule(), well_state, reportStepIdx, gasPos, /*isInjector*/false);
double injection_rate = WellGroupHelpers::sumWellSurfaceRates(group, schedule(), well_state, reportStepIdx, gasPos, /*isInjector*/true);
// sum over all nodes
injection_rate = comm_.sum(injection_rate);
production_rate = comm_.sum(production_rate);
double sales_rate = production_rate - injection_rate;
double production_target = gconsale.sales_target + injection_rate;
// add import rate and subtract consumption rate for group for gas
if (schedule()[reportStepIdx].gconsump().has(group.name())) {
const auto& gconsump = schedule()[reportStepIdx].gconsump().get(group.name(), summaryState_);
if (phase_usage_.phase_used[BlackoilPhases::Vapour]) {
sales_rate += gconsump.import_rate;
sales_rate -= gconsump.consumption_rate;
production_target -= gconsump.import_rate;
production_target += gconsump.consumption_rate;
}
}
if (sales_rate > gconsale.max_sales_rate) {
switch(gconsale.max_proc) {
case GConSale::MaxProcedure::NONE: {
if (oldProductionControl != Group::ProductionCMode::GRAT && oldProductionControl != Group::ProductionCMode::NONE) {
ss = fmt::format("Group sales exceed maximum limit, but the action is NONE for {}. Nothing happens",
group.name());
}
break;
}
case GConSale::MaxProcedure::CON: {
OPM_DEFLOG_THROW(std::runtime_error, "Group " + group.name() + "GCONSALE exceed limit CON not implemented", deferred_logger);
break;
}
case GConSale::MaxProcedure::CON_P: {
OPM_DEFLOG_THROW(std::runtime_error, "Group " + group.name() + "GCONSALE exceed limit CON_P not implemented", deferred_logger);
break;
}
case GConSale::MaxProcedure::WELL: {
OPM_DEFLOG_THROW(std::runtime_error, "Group " + group.name() + "GCONSALE exceed limit WELL not implemented", deferred_logger);
break;
}
case GConSale::MaxProcedure::PLUG: {
OPM_DEFLOG_THROW(std::runtime_error, "Group " + group.name() + "GCONSALE exceed limit PLUG not implemented", deferred_logger);
break;
}
case GConSale::MaxProcedure::MAXR: {
OPM_DEFLOG_THROW(std::runtime_error, "Group " + group.name() + "GCONSALE exceed limit MAXR not implemented", deferred_logger);
break;
}
case GConSale::MaxProcedure::END: {
OPM_DEFLOG_THROW(std::runtime_error, "Group " + group.name() + "GCONSALE exceed limit END not implemented", deferred_logger);
break;
}
case GConSale::MaxProcedure::RATE: {
this->groupState().production_control(group.name(), Group::ProductionCMode::GRAT);
ss = fmt::format("Maximum GCONSALE limit violated for {}. "
"The group is switched from {} to {} "
"and limited by the maximum sales rate after "
"consumption and import are considered",
group.name(),
Group::ProductionCMode2String(oldProductionControl),
Group::ProductionCMode2String(Group::ProductionCMode::GRAT));
this->groupState().update_grat_sales_target(group.name(), production_target);
break;
}
default:
throw("Invalid procedure for maximum rate limit selected for group" + group.name());
}
}
if (sales_rate < gconsale.min_sales_rate) {
const Group::ProductionCMode& currentProductionControl = this->groupState().production_control(group.name());
if ( currentProductionControl == Group::ProductionCMode::GRAT ) {
ss = fmt::format("Group {} has sale rate less then minimum permitted value and is under GRAT control.\n"
"The GRAT is increased to meet the sales minimum rate.",
group.name());
this->groupState().update_grat_sales_target(group.name(), production_target);
//} else if () {//TODO add action for WGASPROD
//} else if () {//TODO add action for drilling queue
} else {
ss = fmt::format("Group {} has sale rate less then minimum permitted value but cannot increase the group production rate \n"
"or adjust gas production using WGASPROD or drill new wells to meet the sales target. \n"
"Note that WGASPROD and drilling queues are not implemented in Flow. No action is taken.",
group.name());
}
}
if (gconsale.sales_target < 0.0) {
OPM_DEFLOG_THROW(std::runtime_error, "Group " + group.name() + " has sale rate target less then zero. Not implemented in Flow" , deferred_logger);
}
if (!ss.empty() && comm_.rank() == 0)
deferred_logger.info(ss);
}
bool
BlackoilWellModelGeneric::
checkGroupHigherConstraints(const Group& group,
DeferredLogger& deferred_logger,
const int reportStepIdx)
{
// Set up coefficients for RESV <-> surface rate conversion.
// Use the pvtRegionIdx from the top cell of the first well.
// TODO fix this!
// This is only used for converting RESV rates.
// What is the proper approach?
const int fipnum = 0;
int pvtreg = well_perf_data_.empty() || well_perf_data_[0].empty()
? pvt_region_idx_[0]
: pvt_region_idx_[well_perf_data_[0][0].cell_index];
bool changed = false;
if ( comm_.size() > 1)
{
// Just like in the sequential case the pvtregion is determined
// by the first cell of the first well. What is the first well
// is decided by the order in the Schedule using Well::seqIndex()
int firstWellIndex = well_perf_data_.empty() ?
std::numeric_limits<int>::max() : wells_ecl_[0].seqIndex();
auto regIndexPair = std::make_pair(pvtreg, firstWellIndex);
std::vector<decltype(regIndexPair)> pairs(comm_.size());
comm_.allgather(&regIndexPair, 1, pairs.data());
pvtreg = std::min_element(pairs.begin(), pairs.end(),
[](const auto& p1, const auto& p2){ return p1.second < p2.second;})
->first;
}
std::vector<double> rates(phase_usage_.num_phases, 0.0);
bool isField = group.name() == "FIELD";
if (!isField && group.isInjectionGroup()) {
// Obtain rates for group.
std::vector<double> resv_coeff_inj(phase_usage_.num_phases, 0.0);
calcInjRates(fipnum, pvtreg, resv_coeff_inj);
for (int phasePos = 0; phasePos < phase_usage_.num_phases; ++phasePos) {
const double local_current_rate = WellGroupHelpers::sumWellSurfaceRates(group, schedule(), this->wellState(), reportStepIdx, phasePos, /* isInjector */ true);
// Sum over all processes
rates[phasePos] = comm_.sum(local_current_rate);
}
const Phase all[] = { Phase::WATER, Phase::OIL, Phase::GAS };
for (Phase phase : all) {
// Check higher up only if under individual (not FLD) control.
auto currentControl = this->groupState().injection_control(group.name(), phase);
if (currentControl != Group::InjectionCMode::FLD && group.injectionGroupControlAvailable(phase)) {
const Group& parentGroup = schedule().getGroup(group.parent(), reportStepIdx);
const auto [is_changed, scaling_factor] = WellGroupHelpers::checkGroupConstraintsInj(
group.name(),
group.parent(),
parentGroup,
this->wellState(),
this->groupState(),
reportStepIdx,
&guideRate_,
rates.data(),
phase,
phase_usage_,
group.getGroupEfficiencyFactor(),
schedule(),
summaryState_,
resv_coeff_inj,
deferred_logger);
if (is_changed) {
switched_inj_groups_.insert_or_assign({group.name(), phase}, Group::InjectionCMode2String(Group::InjectionCMode::FLD));
BlackoilWellModelConstraints(*this).
actionOnBrokenConstraints(group, Group::InjectionCMode::FLD,
phase, this->groupState(),
deferred_logger);
WellGroupHelpers::updateWellRatesFromGroupTargetScale(scaling_factor, group, schedule(), reportStepIdx, /* isInjector */ true, this->groupState(), this->wellState());
changed = true;
}
}
}
}
if (!isField && group.isProductionGroup()) {
// Obtain rates for group.
for (int phasePos = 0; phasePos < phase_usage_.num_phases; ++phasePos) {
const double local_current_rate = WellGroupHelpers::sumWellSurfaceRates(group, schedule(), this->wellState(), reportStepIdx, phasePos, /* isInjector */ false);
// Sum over all processes
rates[phasePos] = -comm_.sum(local_current_rate);
}
std::vector<double> resv_coeff(phase_usage_.num_phases, 0.0);
calcRates(fipnum, pvtreg, resv_coeff);
// Check higher up only if under individual (not FLD) control.
const Group::ProductionCMode& currentControl = this->groupState().production_control(group.name());
if (currentControl != Group::ProductionCMode::FLD && group.productionGroupControlAvailable()) {
const Group& parentGroup = schedule().getGroup(group.parent(), reportStepIdx);
const auto [is_changed, scaling_factor] = WellGroupHelpers::checkGroupConstraintsProd(
group.name(),
group.parent(),
parentGroup,
this->wellState(),
this->groupState(),
reportStepIdx,
&guideRate_,
rates.data(),
phase_usage_,
group.getGroupEfficiencyFactor(),
schedule(),
summaryState_,
resv_coeff,
deferred_logger);
if (is_changed) {
switched_prod_groups_.insert_or_assign(group.name(), Group::ProductionCMode2String(Group::ProductionCMode::FLD));
const auto exceed_action = group.productionControls(summaryState_).exceed_action;
BlackoilWellModelConstraints(*this).
actionOnBrokenConstraints(group, exceed_action,
Group::ProductionCMode::FLD,
this->groupState(),
deferred_logger);
WellGroupHelpers::updateWellRatesFromGroupTargetScale(scaling_factor, group, schedule(), reportStepIdx, /* isInjector */ false, this->groupState(), this->wellState());
changed = true;
}
}
}
return changed;
}
void
BlackoilWellModelGeneric::
updateEclWells(const int timeStepIdx,
const std::unordered_set<std::string>& wells,
const SummaryState& st)
{
for (const auto& wname : wells) {
auto well_iter = std::find_if(this->wells_ecl_.begin(), this->wells_ecl_.end(),
[&wname] (const auto& well) -> bool
{
return well.name() == wname;
});
if (well_iter == this->wells_ecl_.end()) {
continue;
}
auto well_index = std::distance(this->wells_ecl_.begin(), well_iter);
this->wells_ecl_[well_index] = schedule_.getWell(wname, timeStepIdx);
const auto& well = this->wells_ecl_[well_index];
auto& pd = this->well_perf_data_[well_index];
auto pdIter = pd.begin();
for (const auto& conn : well.getConnections()) {
if (conn.state() != Connection::State::SHUT) {
pdIter->connection_transmissibility_factor = conn.CF();
++pdIter;
}
}
auto& ws = this->wellState().well(well_index);
ws.updateStatus( well.getStatus() );
ws.reset_connection_factors(pd);
ws.update_targets(well, st);
this->prod_index_calc_[well_index].reInit(well);
}
}
double
BlackoilWellModelGeneric::
wellPI(const int well_index) const
{
const auto& pu = this->phase_usage_;
const auto& pi = this->wellState().well(well_index).productivity_index;
const auto preferred = this->wells_ecl_[well_index].getPreferredPhase();
switch (preferred) { // Should really have LIQUID = OIL + WATER here too...
case Phase::WATER:
return pu.phase_used[BlackoilPhases::PhaseIndex::Aqua]
? pi[pu.phase_pos[BlackoilPhases::PhaseIndex::Aqua]]
: 0.0;
case Phase::OIL:
return pu.phase_used[BlackoilPhases::PhaseIndex::Liquid]
? pi[pu.phase_pos[BlackoilPhases::PhaseIndex::Liquid]]
: 0.0;
case Phase::GAS:
return pu.phase_used[BlackoilPhases::PhaseIndex::Vapour]
? pi[pu.phase_pos[BlackoilPhases::PhaseIndex::Vapour]]
: 0.0;
default:
throw std::invalid_argument {
"Unsupported preferred phase " +
std::to_string(static_cast<int>(preferred))
};
}
}
double
BlackoilWellModelGeneric::
wellPI(const std::string& well_name) const
{
auto well_iter = std::find_if(this->wells_ecl_.begin(), this->wells_ecl_.end(),
[&well_name](const Well& well)
{
return well.name() == well_name;
});
if (well_iter == this->wells_ecl_.end()) {
throw std::logic_error { "Could not find well: " + well_name };
}
auto well_index = std::distance(this->wells_ecl_.begin(), well_iter);
return this->wellPI(well_index);
}
bool
BlackoilWellModelGeneric::
wasDynamicallyShutThisTimeStep(const int well_index) const
{
return this->closed_this_step_.find(this->wells_ecl_[well_index].name()) !=
this->closed_this_step_.end();
}
void
BlackoilWellModelGeneric::
updateWsolvent(const Group& group,
const int reportStepIdx,
const WellState& wellState)
{
for (const std::string& groupName : group.groups()) {
const Group& groupTmp = schedule_.getGroup(groupName, reportStepIdx);
updateWsolvent(groupTmp, reportStepIdx, wellState);
}
if (group.isProductionGroup())
return;
auto currentGroupControl = this->groupState().injection_control(group.name(), Phase::GAS);
if( currentGroupControl == Group::InjectionCMode::REIN ) {
int gasPos = phase_usage_.phase_pos[BlackoilPhases::Vapour];
const auto& controls = group.injectionControls(Phase::GAS, summaryState_);
const Group& groupRein = schedule_.getGroup(controls.reinj_group, reportStepIdx);
double gasProductionRate = WellGroupHelpers::sumWellSurfaceRates(groupRein, schedule_, wellState, reportStepIdx, gasPos, /*isInjector*/false);
double solventProductionRate = WellGroupHelpers::sumSolventRates(groupRein, schedule_, wellState, reportStepIdx, /*isInjector*/false);
solventProductionRate = comm_.sum(solventProductionRate);
gasProductionRate = comm_.sum(gasProductionRate);
double wsolvent = 0.0;
if (std::abs(gasProductionRate) > 1e-6)
wsolvent = solventProductionRate / gasProductionRate;
setWsolvent(group, reportStepIdx, wsolvent);
}
}
void
BlackoilWellModelGeneric::
setWsolvent(const Group& group,
const int reportStepIdx,
double wsolvent)
{
for (const std::string& groupName : group.groups()) {
const Group& groupTmp = schedule_.getGroup(groupName, reportStepIdx);
setWsolvent(groupTmp, reportStepIdx, wsolvent);
}
for (const std::string& wellName : group.wells()) {
const auto& wellTmp = schedule_.getWell(wellName, reportStepIdx);
if (wellTmp.getStatus() == Well::Status::SHUT)
continue;
getGenWell(wellName)->setWsolvent(wsolvent);
}
}
void
BlackoilWellModelGeneric::
assignShutConnections(data::Wells& wsrpt,
const int reportStepIndex) const
{
auto wellID = 0;
for (const auto& well : this->wells_ecl_) {
auto& xwel = wsrpt[well.name()]; // data::Wells is a std::map<>
xwel.dynamicStatus = this->schedule()
.getWell(well.name(), reportStepIndex).getStatus();
const auto wellIsOpen = xwel.dynamicStatus == Well::Status::OPEN;
auto skip = [wellIsOpen](const Connection& conn)
{
return wellIsOpen && (conn.state() != Connection::State::SHUT);
};
if (this->wellTestState().well_is_closed(well.name()) &&
!this->wasDynamicallyShutThisTimeStep(wellID))
{
xwel.dynamicStatus = well.getAutomaticShutIn()
? Well::Status::SHUT : Well::Status::STOP;
}
auto& xcon = xwel.connections;
for (const auto& conn : well.getConnections()) {
if (skip(conn)) {
continue;
}
auto& xc = xcon.emplace_back();
xc.index = conn.global_index();
xc.pressure = xc.reservoir_rate = 0.0;
xc.effective_Kh = conn.Kh();
xc.trans_factor = conn.CF();
}
++wellID;
}
}
void
BlackoilWellModelGeneric::
assignGroupControl(const Group& group,
data::GroupData& gdata) const
{
const auto& gname = group.name();
const auto grup_type = group.getGroupType();
auto& cgc = gdata.currentControl;
cgc.currentProdConstraint = Group::ProductionCMode::NONE;
cgc.currentGasInjectionConstraint =
cgc.currentWaterInjectionConstraint = Group::InjectionCMode::NONE;
if (this->groupState().has_production_control(gname)) {
cgc.currentProdConstraint = this->groupState().production_control(gname);
}
if ((grup_type == ::Opm::Group::GroupType::INJECTION) ||
(grup_type == ::Opm::Group::GroupType::MIXED))
{
if (this->groupState().has_injection_control(gname, Phase::WATER)) {
cgc.currentWaterInjectionConstraint = this->groupState().injection_control(gname, Phase::WATER);
}
if (this->groupState().has_injection_control(gname, Phase::GAS)) {
cgc.currentGasInjectionConstraint = this->groupState().injection_control(gname, Phase::GAS);
}
}
}
void
BlackoilWellModelGeneric::
assignGroupValues(const int reportStepIdx,
std::map<std::string, data::GroupData>& gvalues) const
{
const auto groupGuideRates =
BlackoilWellModelGuideRates(*this).calculateAllGroupGuideRates(reportStepIdx);
for (const auto& gname : schedule_.groupNames(reportStepIdx)) {
const auto& grup = schedule_.getGroup(gname, reportStepIdx);
auto& gdata = gvalues[gname];
this->assignGroupControl(grup, gdata);
BlackoilWellModelGuideRates(*this).assignGroupGuideRates(grup, groupGuideRates, gdata);
}
}
void
BlackoilWellModelGeneric::
assignNodeValues(std::map<std::string, data::NodeData>& nodevalues) const
{
nodevalues.clear();
for (const auto& [node, pressure] : node_pressures_) {
nodevalues.emplace(node, data::NodeData{pressure});
}
}
data::GroupAndNetworkValues
BlackoilWellModelGeneric::
groupAndNetworkData(const int reportStepIdx) const
{
auto grp_nwrk_values = data::GroupAndNetworkValues{};
this->assignGroupValues(reportStepIdx, grp_nwrk_values.groupData);
this->assignNodeValues(grp_nwrk_values.nodeData);
return grp_nwrk_values;
}
void
BlackoilWellModelGeneric::
updateAndCommunicateGroupData(const int reportStepIdx,
const int iterationIdx)
{
const Group& fieldGroup = schedule().getGroup("FIELD", reportStepIdx);
const int nupcol = schedule()[reportStepIdx].nupcol();
// This builds some necessary lookup structures, so it must be called
// before we copy to well_state_nupcol_.
this->wellState().updateGlobalIsGrup(comm_);
if (iterationIdx < nupcol) {
this->updateNupcolWGState();
}
auto& well_state = this->wellState();
const auto& well_state_nupcol = this->nupcolWellState();
// the group target reduction rates needs to be update since wells may have switched to/from GRUP control
// The group target reduction does not honor NUPCOL.
std::vector<double> groupTargetReduction(numPhases(), 0.0);
WellGroupHelpers::updateGroupTargetReduction(fieldGroup, schedule(), reportStepIdx, /*isInjector*/ false, phase_usage_, guideRate_, well_state, this->groupState(), groupTargetReduction);
std::vector<double> groupTargetReductionInj(numPhases(), 0.0);
WellGroupHelpers::updateGroupTargetReduction(fieldGroup, schedule(), reportStepIdx, /*isInjector*/ true, phase_usage_, guideRate_, well_state, this->groupState(), groupTargetReductionInj);
WellGroupHelpers::updateREINForGroups(fieldGroup, schedule(), reportStepIdx, phase_usage_, summaryState_, well_state_nupcol, this->groupState());
WellGroupHelpers::updateVREPForGroups(fieldGroup, schedule(), reportStepIdx, well_state_nupcol, this->groupState());
WellGroupHelpers::updateReservoirRatesInjectionGroups(fieldGroup, schedule(), reportStepIdx, well_state_nupcol, this->groupState());
WellGroupHelpers::updateSurfaceRatesInjectionGroups(fieldGroup, schedule(), reportStepIdx, well_state_nupcol, this->groupState());
WellGroupHelpers::updateGroupProductionRates(fieldGroup, schedule(), reportStepIdx, well_state_nupcol, this->groupState());
// We use the rates from the previous time-step to reduce oscillations
WellGroupHelpers::updateWellRates(fieldGroup, schedule(), reportStepIdx, this->prevWellState(), well_state);
// Set ALQ for off-process wells to zero
for (const auto& wname : schedule().wellNames(reportStepIdx)) {
const bool is_producer = schedule().getWell(wname, reportStepIdx).isProducer();
const bool not_on_this_process = !well_state.has(wname);
if (is_producer && not_on_this_process) {
well_state.setALQ(wname, 0.0);
}
}
well_state.communicateGroupRates(comm_);
this->groupState().communicate_rates(comm_);
}
bool
BlackoilWellModelGeneric::
hasTHPConstraints() const
{
return BlackoilWellModelConstraints(*this).hasTHPConstraints();
}
bool
BlackoilWellModelGeneric::
forceShutWellByName(const std::string& wellname,
const double simulation_time)
{
// Only add the well to the closed list on the
// process that owns it.
int well_was_shut = 0;
for (const auto& well : well_container_generic_) {
if (well->name() == wellname) {
wellTestState().close_well(wellname, WellTestConfig::Reason::PHYSICAL, simulation_time);
well_was_shut = 1;
break;
}
}
// Communicate across processes if a well was shut.
well_was_shut = comm_.max(well_was_shut);
// the wellTesteState is updated between timesteps and we also need to update the privous WGstate
if(well_was_shut)
this->commitWGState();
// Only log a message on the output rank.
if (terminal_output_ && well_was_shut) {
const std::string msg = "Well " + wellname
+ " will be shut because it cannot get converged.";
OpmLog::info(msg);
}
return (well_was_shut == 1);
}
void
BlackoilWellModelGeneric::
inferLocalShutWells()
{
this->local_shut_wells_.clear();
const auto nw = this->numLocalWells();
auto used = std::vector<bool>(nw, false);
for (const auto& wellPtr : this->well_container_generic_) {
used[wellPtr->indexOfWell()] = true;
}
for (auto wellID = 0; wellID < nw; ++wellID) {
if (! used[wellID]) {
this->local_shut_wells_.push_back(wellID);
}
}
}
std::pair<bool, double>
BlackoilWellModelGeneric::
updateNetworkPressures(const int reportStepIdx)
{
// Get the network and return if inactive.
const auto& network = schedule()[reportStepIdx].network();
if (!network.active()) {
return { false, 0.0 };
}
node_pressures_ = WellGroupHelpers::computeNetworkPressures(network,
this->wellState(),
this->groupState(),
*(vfp_properties_->getProd()),
schedule(),
reportStepIdx);
// Set the thp limits of wells
bool active_limit_change = false;
double network_imbalance = 0.0;
for (auto& well : well_container_generic_) {
// Producers only, since we so far only support the
// "extended" network model (properties defined by
// BRANPROP and NODEPROP) which only applies to producers.
if (well->isProducer()) {
const auto it = node_pressures_.find(well->wellEcl().groupName());
if (it != node_pressures_.end()) {
// The well belongs to a group with has a network pressure constraint,
// set the dynamic THP constraint of the well accordingly.
const double new_limit = it->second;
well->setDynamicThpLimit(new_limit);
const SingleWellState& ws = this->wellState()[well->indexOfWell()];
const bool thp_is_limit = ws.production_cmode == Well::ProducerCMode::THP;
const bool will_switch_to_thp = ws.thp < new_limit;
if (thp_is_limit || will_switch_to_thp) {
active_limit_change = true;
network_imbalance = std::max(network_imbalance, std::fabs(new_limit - ws.thp));
}
}
}
}
return { active_limit_change, network_imbalance };
}
void
BlackoilWellModelGeneric::
calculateEfficiencyFactors(const int reportStepIdx)
{
for (auto& well : well_container_generic_) {
const Well& wellEcl = well->wellEcl();
double well_efficiency_factor = wellEcl.getEfficiencyFactor();
WellGroupHelpers::accumulateGroupEfficiencyFactor(schedule().getGroup(wellEcl.groupName(), reportStepIdx), schedule(), reportStepIdx, well_efficiency_factor);
well->setWellEfficiencyFactor(well_efficiency_factor);
}
}
WellInterfaceGeneric*
BlackoilWellModelGeneric::
getGenWell(const std::string& well_name)
{
// finding the iterator of the well in wells_ecl
auto well = std::find_if(well_container_generic_.begin(),
well_container_generic_.end(),
[&well_name](const WellInterfaceGeneric* elem)->bool {
return elem->name() == well_name;
});
assert(well != well_container_generic_.end());
return *well;
}
void
BlackoilWellModelGeneric::
setRepRadiusPerfLength()
{
for (const auto& well : well_container_generic_) {
well->setRepRadiusPerfLength();
}
}
void
BlackoilWellModelGeneric::
gliftDebug(const std::string& msg,
DeferredLogger& deferred_logger) const
{
if (this->glift_debug && this->terminal_output_) {
const std::string message = fmt::format(
" GLIFT (DEBUG) : BlackoilWellModel : {}", msg);
deferred_logger.info(message);
}
}
void
BlackoilWellModelGeneric::
gliftDebugShowALQ(DeferredLogger& deferred_logger)
{
for (auto& well : this->well_container_generic_) {
if (well->isProducer()) {
auto alq = this->wellState().getALQ(well->name());
const std::string msg = fmt::format("ALQ_REPORT : {} : {}",
well->name(), alq);
gliftDebug(msg, deferred_logger);
}
}
}
// If a group has any production rate constraints, and/or a limit
// on its total rate of lift gas supply, allocate lift gas
// preferentially to the wells that gain the most benefit from
// it. Lift gas increments are allocated in turn to the well that
// currently has the largest weighted incremental gradient. The
// procedure takes account of any limits on the group production
// rate or lift gas supply applied to any level of group.
void
BlackoilWellModelGeneric::
gasLiftOptimizationStage2(DeferredLogger& deferred_logger,
GLiftProdWells& prod_wells,
GLiftOptWells& glift_wells,
GasLiftGroupInfo& group_info,
GLiftWellStateMap& glift_well_state_map,
const int episodeIndex)
{
GasLiftStage2 glift {episodeIndex,
comm_,
schedule_,
summaryState_,
deferred_logger,
this->wellState(),
this->groupState(),
prod_wells,
glift_wells,
group_info,
glift_well_state_map,
this->glift_debug
};
glift.runOptimize();
}
void
BlackoilWellModelGeneric::
updateWellPotentials(const int reportStepIdx,
const bool onlyAfterEvent,
const SummaryConfig& summaryConfig,
DeferredLogger& deferred_logger)
{
auto well_state_copy = this->wellState();
const bool write_restart_file = schedule().write_rst_file(reportStepIdx);
auto exc_type = ExceptionType::NONE;
std::string exc_msg;
size_t widx = 0;
for (const auto& well : well_container_generic_) {
const bool needed_for_summary =
((summaryConfig.hasSummaryKey( "WWPI:" + well->name()) ||
summaryConfig.hasSummaryKey( "WOPI:" + well->name()) ||
summaryConfig.hasSummaryKey( "WGPI:" + well->name())) && well->isInjector()) ||
((summaryConfig.hasKeyword( "GWPI") ||
summaryConfig.hasKeyword( "GOPI") ||
summaryConfig.hasKeyword( "GGPI")) && well->isInjector()) ||
((summaryConfig.hasKeyword( "FWPI") ||
summaryConfig.hasKeyword( "FOPI") ||
summaryConfig.hasKeyword( "FGPI")) && well->isInjector()) ||
((summaryConfig.hasSummaryKey( "WWPP:" + well->name()) ||
summaryConfig.hasSummaryKey( "WOPP:" + well->name()) ||
summaryConfig.hasSummaryKey( "WGPP:" + well->name())) && well->isProducer()) ||
((summaryConfig.hasKeyword( "GWPP") ||
summaryConfig.hasKeyword( "GOPP") ||
summaryConfig.hasKeyword( "GGPP")) && well->isProducer()) ||
((summaryConfig.hasKeyword( "FWPP") ||
summaryConfig.hasKeyword( "FOPP") ||
summaryConfig.hasKeyword( "FGPP")) && well->isProducer());
// At the moment, the following events are considered
// for potentials update
const uint64_t effective_events_mask = ScheduleEvents::WELL_STATUS_CHANGE
+ ScheduleEvents::COMPLETION_CHANGE
+ ScheduleEvents::WELL_PRODUCTIVITY_INDEX
+ ScheduleEvents::WELL_WELSPECS_UPDATE
+ ScheduleEvents::WELLGROUP_EFFICIENCY_UPDATE
+ ScheduleEvents::NEW_WELL
+ ScheduleEvents::PRODUCTION_UPDATE
+ ScheduleEvents::INJECTION_UPDATE;
const auto& events = schedule()[reportStepIdx].wellgroup_events();
const bool event = events.hasEvent(well->name(), ScheduleEvents::ACTIONX_WELL_EVENT) ||
(report_step_starts_ && events.hasEvent(well->name(), effective_events_mask));
const bool needPotentialsForGuideRates = well->underPredictionMode() && (!onlyAfterEvent || event);
const bool needPotentialsForOutput = !onlyAfterEvent && (needed_for_summary || write_restart_file);
const bool compute_potential = needPotentialsForOutput || needPotentialsForGuideRates;
if (compute_potential)
{
this->computePotentials(widx, well_state_copy, exc_msg, exc_type, deferred_logger);
}
++widx;
}
logAndCheckForExceptionsAndThrow(deferred_logger, exc_type,
"computeWellPotentials() failed: " + exc_msg,
terminal_output_, comm_);
}
void
BlackoilWellModelGeneric::
runWellPIScaling(const int timeStepIdx,
DeferredLogger& local_deferredLogger)
{
if (this->last_run_wellpi_.has_value() && (*this->last_run_wellpi_ == timeStepIdx)) {
// We've already run WELPI scaling for this report step. Most
// common for the very first report step. Don't redo WELPI scaling.
return;
}
auto hasWellPIEvent = [this, timeStepIdx](const int well_index) -> bool
{
return this->schedule()[timeStepIdx].wellgroup_events()
.hasEvent(this->wells_ecl_[well_index].name(),
ScheduleEvents::Events::WELL_PRODUCTIVITY_INDEX);
};
auto updateEclWell = [this, timeStepIdx](const int well_index) -> void
{
const auto& schedule = this->schedule();
const auto& wname = this->wells_ecl_[well_index].name();
this->wells_ecl_[well_index] = schedule.getWell(wname, timeStepIdx);
const auto& well = this->wells_ecl_[well_index];
auto& pd = this->well_perf_data_[well_index];
auto pdIter = pd.begin();
for (const auto& conn : well.getConnections()) {
if (conn.state() != Connection::State::SHUT) {
pdIter->connection_transmissibility_factor = conn.CF();
++pdIter;
}
}
auto& ws = this->wellState().well(well_index);
ws.reset_connection_factors(pd);
this->prod_index_calc_[well_index].reInit(well);
};
auto rescaleWellPI =
[this, timeStepIdx](const int well_index,
const double newWellPI) -> void
{
const auto& wname = this->wells_ecl_[well_index].name();
schedule_.applyWellProdIndexScaling(wname, timeStepIdx, newWellPI);
};
// Minimal well setup to compute PI/II values
{
auto saved_previous_wgstate = this->prevWGState();
this->commitWGState();
this->createWellContainer(timeStepIdx);
this->inferLocalShutWells();
this->initWellContainer(timeStepIdx);
this->calculateProductivityIndexValues(local_deferredLogger);
this->calculateProductivityIndexValuesShutWells(timeStepIdx, local_deferredLogger);
this->commitWGState(std::move(saved_previous_wgstate));
}
const auto nw = this->numLocalWells();
for (auto wellID = 0*nw; wellID < nw; ++wellID) {
if (hasWellPIEvent(wellID)) {
rescaleWellPI(wellID, this->wellPI(wellID));
updateEclWell(wellID);
}
}
this->last_run_wellpi_ = timeStepIdx;
}
bool
BlackoilWellModelGeneric::
shouldBalanceNetwork(const int reportStepIdx, const int iterationIdx) const
{
const auto& balance = schedule()[reportStepIdx].network_balance();
if (balance.mode() == Network::Balance::CalcMode::TimeStepStart) {
return iterationIdx == 0;
} else if (balance.mode() == Network::Balance::CalcMode::NUPCOL) {
const int nupcol = schedule()[reportStepIdx].nupcol();
return iterationIdx < nupcol;
} else {
// We do not support any other rebalancing modes,
// i.e. TimeInterval based rebalancing is not available.
// This should be warned about elsewhere, so we choose to
// avoid spamming with a warning here.
return false;
}
}
bool
BlackoilWellModelGeneric::
shouldIterateNetwork(const int reportStepIdx,
const std::size_t recursion_level,
const double network_imbalance) const
{
const auto& balance = schedule()[reportStepIdx].network_balance();
// Iterate if not converged, and number of iterations is not yet max (NETBALAN item 3).
return recursion_level < balance.pressure_max_iter() &&
network_imbalance > balance.pressure_tolerance();
}
std::vector<int>
BlackoilWellModelGeneric::
getCellsForConnections(const Well& well) const
{
std::vector<int> wellCells;
// All possible connections of the well
const auto& connectionSet = well.getConnections();
wellCells.reserve(connectionSet.size());
for (const auto& connection : connectionSet)
{
int compressed_idx = compressedIndexForInterior(connection.global_index());
if (compressed_idx >= 0) { // Ignore connections in inactive/remote cells.
wellCells.push_back(compressed_idx);
}
}
return wellCells;
}
std::vector<std::string>
BlackoilWellModelGeneric::getWellsForTesting(const int timeStepIdx,
const double simulationTime)
{
const auto& wtest_config = schedule()[timeStepIdx].wtest_config();
if (!wtest_config.empty()) { // there is a WTEST request
return wellTestState().test_wells(wtest_config, simulationTime);
} else
return {};
}
}
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