OilfieldToolsNet/opm-simulators
4
0
Fork 0
mirror of https://github.com/OPM/opm-simulators.git synced 2025-02-25 18:55:30 -06:00
Code Issues Packages Projects Releases Wiki Activity

Add support for maximum total gas (alq + gas rate) in GLIFTOPT

Browse Source 
Dont increase gaslift if the groups alq + gas production rate is above the given target
This commit is contained in:
Tor Harald Sandve
2022-02-02 10:28:13 +01:00
parent eb6265b148
commit 0b923e505a
4 changed files with 42 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
opm/simulators/wells/GasLiftSingleWellGeneric.cpp
View File

@@ -1129,6 +1129,7 @@ runOptimizeLoop_(bool increase)
if (!alq_opt) break;
auto delta_alq = *alq_opt - temp_alq;
if (state.checkGroupALQrateExceeded(delta_alq)) break;
temp_alq = *alq_opt;
if (this->debug) state.debugShowIterationInfo(temp_alq);
rates = new_rates;
@@ -1138,6 +1139,9 @@ runOptimizeLoop_(bool increase)
state.stop_iteration = true;
temp_rates = updateRatesToGroupLimits_(*rates, *temp_rates);
auto delta_gas_rate = temp_rates->gas - rates->gas;
if (state.checkGroupTotalRateExceeded(delta_alq, delta_gas_rate)) break;
/* if (this->debug_abort_if_increase_and_gas_is_limited_) {
if (gas_is_limited && increase) {
// if gas is limited we do not want to increase
@@ -1552,6 +1556,33 @@ checkGroupALQrateExceeded(double delta_alq)
return false;
}
bool
GasLiftSingleWellGeneric::OptimizeState::
checkGroupTotalRateExceeded(double delta_alq, double delta_gas_rate)
{
const auto &pairs =
this->parent.group_info_.getWellGroups(this->parent.well_name_);
for (const auto &[group_name, efficiency] : pairs) {
auto max_total_rate_opt = this->parent.group_info_.maxTotalGasRate(group_name);
if (max_total_rate_opt) {
double alq =
this->parent.group_info_.alqRate(group_name) + efficiency * delta_alq;
double gas_rate =
this->parent.group_info_.gasRate(group_name) + efficiency * delta_gas_rate;
if ( (alq + gas_rate) > *max_total_rate_opt) {
if (this->parent.debug) {
const std::string msg = fmt::format(
"Group {} : total gas rate {} exceeds max_total_gas_rate {}. Stopping iteration",
group_name, alq + gas_rate, *max_total_rate_opt);
this->parent.displayDebugMessage_(msg);
}
return true;
}
}
}
return false;
}
//
// bool checkEcoGradient(double gradient)
//