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Merge pull request #5296 from totto82/fixGasLift2LevelAlqLimit

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Redistribute gaslift for groups with alq limit
This commit is contained in:
Tor Harald Sandve 2024-04-24 14:54:22 +02:00 committed by GitHub
commit bf5380b2c6
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GPG Key ID: B5690EEEBB952194
2 changed files with 21 additions and 9 deletions
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28
opm/simulators/wells/GasLiftStage2.cpp
View File

@ -411,7 +411,7 @@ optimizeGroup_(const Group &group)
{
const auto& group_name = group.name();
const auto prod_control = this->group_state_.production_control(group_name);
if ((prod_control != Group::ProductionCMode::NONE) && (prod_control != Group::ProductionCMode::FLD))
if (this->glo_.has_group(group.name()) || ((prod_control != Group::ProductionCMode::NONE) && (prod_control != Group::ProductionCMode::FLD)))
{
if (this->debug) {
const std::string msg = fmt::format("optimizing (control = {})", Group::ProductionCMode2String(prod_control));
@ -657,7 +657,7 @@ removeSurplusALQ_(const Group &group,
const auto& [delta_oil, delta_gas, delta_water, delta_alq] = delta;
if (state.checkOilTarget(delta_oil) || state.checkGasTarget(delta_gas)
|| state.checkLiquidTarget(delta_oil + delta_water) || state.checkWaterTarget(delta_water)
|| state.checkALQlimit(delta_alq, delta_gas))
|| state.checkALQlimit())
{
remove = true;
}
@ -938,11 +938,11 @@ addOrRemoveALQincrement(GradMap &grad_map, const std::string& well_name, bool ad
bool
GasLiftStage2::SurplusState::
checkALQlimit(double delta_alq, double delta_gas)
checkALQlimit()
{
if (this->max_glift) {
double max_alq = *(this->max_glift);
if ((max_alq) < (this->alq + delta_alq) ) {
if ((max_alq) < (this->alq) ) {
if (this->parent.debug) {
const std::string msg = fmt::format("group: {} : "
"ALQ rate {} is greater than ALQ limit {}", this->group.name(),
@ -954,7 +954,7 @@ checkALQlimit(double delta_alq, double delta_gas)
}
if (this->max_total_gas) {
double max_total = *(this->max_total_gas);
double total_gas_rate = (this->alq + delta_alq + this->gas_rate + delta_gas);
double total_gas_rate = (this->alq + this->gas_rate);
if ((max_total) < total_gas_rate ) {
if (this->parent.debug) {
const std::string msg = fmt::format("group: {} : "
@ -991,6 +991,10 @@ GasLiftStage2::SurplusState::
checkGasTarget(double delta_gas)
{
if (this->group.has_control(Group::ProductionCMode::GRAT)) {
// the change in gas rate is added to the gas rate to make sure the
// group still can produce its target
// i.e. we want to find the solution that optimize gas lift while still
// producing the given group limit
if (this->gas_target < (this->gas_rate + delta_gas) ) {
if (this->parent.debug) {
const std::string msg = fmt::format("group: {} : "
@ -1008,8 +1012,10 @@ GasLiftStage2::SurplusState::
checkLiquidTarget(double delta_liquid)
{
if (this->group.has_control(Group::ProductionCMode::LRAT)) {
// the change in liquid rate from the is subtracted from the rate to make sure the
// the change in liquid rate is added to the liquid rate to make sure the
// group still can produce its target
// i.e. we want to find the solution that optimize gas lift while still
// producing the given group limit
auto liquid_rate = this->oil_rate + this->water_rate + delta_liquid;
if (this->liquid_target < (liquid_rate) ) {
if (this->parent.debug) {
@ -1029,8 +1035,10 @@ GasLiftStage2::SurplusState::
checkOilTarget(double delta_oil)
{
if (this->group.has_control(Group::ProductionCMode::ORAT)) {
// the change in oil rate from the eco_grad is subtracted from the rate to make sure the
// the change in oil rate is added to the oil rate to make sure the
// group still can produce its target
// i.e. we want to find the solution that optimize gas lift while still
// producing the given group limit
if (this->oil_target < (this->oil_rate + delta_oil) ) {
if (this->parent.debug) {
const std::string msg = fmt::format("group: {} : "
@ -1047,8 +1055,12 @@ checkOilTarget(double delta_oil)
bool
GasLiftStage2::SurplusState::
checkWaterTarget(double delta_water)
{
{
if (this->group.has_control(Group::ProductionCMode::WRAT)) {
// the change in water rate is added to the water rate to make sure the
// group still can produce its target
// i.e. we want to find the solution that optimize gas lift while still
// producing the given group limit
if (this->water_target < (this->water_rate + delta_water) ) {
if (this->parent.debug) {
const std::string msg = fmt::format("group: {} : "

2
opm/simulators/wells/GasLiftStage2.hpp
View File

@ -201,7 +201,7 @@ protected:
void addOrRemoveALQincrement(
GradMap &grad_map, const std::string& well_name, bool add);
bool checkALQlimit(double delta_alq, double delta_gas);
bool checkALQlimit();
bool checkEcoGradient(const std::string& well_name, double eco_grad);
bool checkGasTarget(double delta_gas);
bool checkLiquidTarget(double delta_liquid);