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WIP for handling the water cut ecnomic limit
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@ -1326,7 +1326,73 @@ namespace Opm
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}
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list_econ_limited.addShuttedWell(well_name);
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// the well is closed, not need to check other limits
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continue;
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}
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// checking for other limits, mostly all kinds of ratio.
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// TODO: not sure when more than one ratio limit is violated, what is the definition of the
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// worst-offending connection
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// Should not be more than one connection be closed each time
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// Maybe we can compare the extent of the different violations to give a worst one.
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bool water_cut_limit_violated = false;
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if (econ_production_limits.onMaxWaterCut()) {
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assert((*active_)[Oil]);
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assert((*active_)[Water]);
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const double oil_rate = well_state.wellRates()[well_number * np + pu.phase_pos[ Oil ] ];
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const double water_rate = well_state.wellRates()[well_number * np + pu.phase_pos[ Water ] ];
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const double liquid_rate = oil_rate + water_rate;
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if (std::abs(liquid_rate) == 0.) {
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continue;
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}
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const double water_cut = water_rate / liquid_rate;
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const double max_water_cut = econ_production_limits.maxWaterCut();
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if (water_cut > max_water_cut) {
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water_cut_limit_violated = true;
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}
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}
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if (econ_production_limits.workover() != WellEcon::CON) {
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std::cerr << "WARNING: only CON workover over exceeding limit is supported for the moment." << std::endl;
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}
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const int perf_start = (i->second)[1];
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const int perf_number = (i->second)[2];
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std::vector<double> oil_perf_rate(perf_number);
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std::vector<double> gas_perf_rate(perf_number);
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std::vector<double> water_perf_rate(perf_number);
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for (int perf = 0; perf < perf_number; ++perf) {
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const int i_perf = perf_start + perf;
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oil_perf_rate[perf] = well_state.perfPhaseRates()[i_perf * np + pu.phase_pos[ Oil ] ];
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water_perf_rate[perf] = well_state.perfPhaseRates()[i_perf * np + pu.phase_pos[ Water ] ];
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gas_perf_rate[perf] = well_state.perfPhaseRates()[i_perf * np + pu.phase_pos[ Gas ] ];
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}
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std::vector<double> water_cut_perf(perf_number);
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double max_water_cut_perf = 0.0;
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int worst_offending_perf = -1;
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for (int perf = 0; perf < perf_number; ++perf) {
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const double liquid_rate = water_perf_rate[perf] + oil_perf_rate[perf];
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if (std::abs(liquid_rate) == 0.0) {
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water_cut_perf[perf] = 0.0;
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} else {
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water_cut_perf[perf] = water_perf_rate[perf] / liquid_rate;
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}
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if (water_cut_perf[perf] > max_water_cut_perf) {
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worst_offending_perf = perf;
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max_water_cut_perf = water_cut_perf[perf];
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}
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}
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assert((worst_offending_perf >= 0) && (worst_offending_perf <= perf_number));
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const int cell_worst_offending_perf = wells_struct->well_cells[perf_start + worst_offending_perf];
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list_econ_limited.addClosedConnectionsForWell(well_name, cell_worst_offending_perf);
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}
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}
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